1
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Donovan MK, Counsell CWW, Donahue MJ, Lecky J, Gajdzik L, Marcoux SD, Sparks R, Teague C. Evidence for managing herbivores for reef resilience. Proc Biol Sci 2023; 290:20232101. [PMID: 38052442 DOI: 10.1098/rspb.2023.2101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 11/19/2023] [Indexed: 12/07/2023] Open
Abstract
Herbivore management is an important tool for resilience-based approaches to coral reef conservation, and evidence-based science is needed to enact successful management. We synthesized data from multiple monitoring programs in Hawai'i to measure herbivore biomass and benthic condition over a 10-year period preceding any major coral bleaching. We analysed data from 20 242 transects alongside data on 27 biophysical and human drivers and found herbivore biomass was highly variable throughout Hawai'i, with high values in remote locations and the lowest values near population centres. Both human and biophysical drivers explained variation in herbivore biomass, and among the human drivers both fishing and land-based pollution had negative effects on biomass. We also found evidence that herbivore functional group biomass is strongly linked to benthic condition, and that benthic condition is sensitive to changes in herbivore biomass associated with fishing. We show that when herbivore biomass is below 80% of potential biomass, benthic condition is predicted to decline. We also show that a range of management actions, including area-specific fisheries regulations and gear restrictions, can increase parrotfish biomass. Together, these results provide lines of evidence to support managing herbivores as an effective strategy for maintaining or bolstering reef resilience in a changing climate.
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Affiliation(s)
- Mary K Donovan
- Hawai'i Monitoring and Reporting Collaborative (HIMARC), Honolulu, HI, USA
- Center for Global Discovery and Conservation Science, School of Geographical Sciences and Urban Planning, Arizona State University, Tempe, AZ, USA
| | - Chelsie W W Counsell
- Hawai'i Monitoring and Reporting Collaborative (HIMARC), Honolulu, HI, USA
- Cooperative Institute for Marine and Atmospheric Research, Honolulu, HI, USA
| | - Megan J Donahue
- Hawai'i Monitoring and Reporting Collaborative (HIMARC), Honolulu, HI, USA
- Hawai'i Institute of Marine Biology, University of Hawai'i at Mānoa, Honolulu, HI, USA
| | - Joey Lecky
- Hawai'i Monitoring and Reporting Collaborative (HIMARC), Honolulu, HI, USA
- Pacific Islands Regional Office, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Honolulu, HI, USA
| | - Laura Gajdzik
- Hawai'i Monitoring and Reporting Collaborative (HIMARC), Honolulu, HI, USA
- Division of Aquatic Resources, Department of Land and Natural Resources, State of Hawai'i, Honolulu, HI, USA
| | - Stacia D Marcoux
- Hawai'i Monitoring and Reporting Collaborative (HIMARC), Honolulu, HI, USA
- Division of Aquatic Resources, Department of Land and Natural Resources, State of Hawai'i, Honolulu, HI, USA
| | - Russell Sparks
- Hawai'i Monitoring and Reporting Collaborative (HIMARC), Honolulu, HI, USA
- Division of Aquatic Resources, Department of Land and Natural Resources, State of Hawai'i, Honolulu, HI, USA
| | - Christopher Teague
- Hawai'i Monitoring and Reporting Collaborative (HIMARC), Honolulu, HI, USA
- Division of Aquatic Resources, Department of Land and Natural Resources, State of Hawai'i, Honolulu, HI, USA
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2
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Richardson LE, Heenan A, Delargy AJ, Neubauer P, Lecky J, Gove JM, Green JAM, Kindinger TL, Ingeman KE, Williams GJ. Local human impacts disrupt depth-dependent zonation of tropical reef fish communities. Nat Ecol Evol 2023; 7:1844-1855. [PMID: 37749400 PMCID: PMC10627831 DOI: 10.1038/s41559-023-02201-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 08/22/2023] [Indexed: 09/27/2023]
Abstract
The influence of depth and associated gradients in light, nutrients and plankton on the ecological organization of tropical reef communities was first described over six decades ago but remains untested across broad geographies. During this time humans have become the dominant driver of planetary change, requiring that we revisit historic ecological paradigms to ensure they capture the dynamics of contemporary ecological systems. Analysing >5,500 in-water reef fish surveys between 0 and 30 m depth on reef slopes of 35 islands across the Pacific, we assess whether a depth gradient consistently predicts variation in reef fish biomass. We reveal predictable ecological organization at unpopulated locations, with increased biomass of planktivores and piscivores and decreased primary consumer biomass with increasing depth. Bathymetric steepness also had a striking influence on biomass patterns, primarily for planktivores, emphasizing potential links between local hydrodynamics and the upslope propagation of pelagic subsidies to the shallows. However, signals of resource-driven change in fish biomass with depth were altered or lost for populated islands, probably due to depleted fish biomass baselines. While principles of depth zonation broadly held, our findings expose limitations of the paradigm for predicting ecological dynamics where human impacts confound connections between ecological communities and their surrounding environment.
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Affiliation(s)
| | - Adel Heenan
- School of Ocean Sciences, Bangor University, Menai Bridge, UK
| | - Adam J Delargy
- School of Ocean Sciences, Bangor University, Menai Bridge, UK
- School for Marine Science & Technology, University of Massachusetts Dartmouth, Dartmouth, MA, USA
| | | | - Joey Lecky
- Pacific Islands Fisheries Science Center, National Oceanic Atmospheric Administration, Honolulu, HI, USA
- IBSS Corporation, Silver Spring, MD, USA
| | - Jamison M Gove
- Pacific Islands Fisheries Science Center, National Oceanic Atmospheric Administration, Honolulu, HI, USA
| | | | - Tye L Kindinger
- Pacific Islands Fisheries Science Center, National Oceanic Atmospheric Administration, Honolulu, HI, USA
| | - Kurt E Ingeman
- Pacific Islands Fisheries Science Center, National Oceanic Atmospheric Administration, Honolulu, HI, USA
- Department of Environmental Studies, Linfield University, McMinnville, OR, USA
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3
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Gove JM, Williams GJ, Lecky J, Brown E, Conklin E, Counsell C, Davis G, Donovan MK, Falinski K, Kramer L, Kozar K, Li N, Maynard JA, McCutcheon A, McKenna SA, Neilson BJ, Safaie A, Teague C, Whittier R, Asner GP. Coral reefs benefit from reduced land-sea impacts under ocean warming. Nature 2023; 621:536-542. [PMID: 37558870 PMCID: PMC10511326 DOI: 10.1038/s41586-023-06394-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 06/30/2023] [Indexed: 08/11/2023]
Abstract
Coral reef ecosystems are being fundamentally restructured by local human impacts and climate-driven marine heatwaves that trigger mass coral bleaching and mortality1. Reducing local impacts can increase reef resistance to and recovery from bleaching2. However, resource managers lack clear advice on targeted actions that best support coral reefs under climate change3 and sector-based governance means most land- and sea-based management efforts remain siloed4. Here we combine surveys of reef change with a unique 20-year time series of land-sea human impacts that encompassed an unprecedented marine heatwave in Hawai'i. Reefs with increased herbivorous fish populations and reduced land-based impacts, such as wastewater pollution and urban runoff, had positive coral cover trajectories predisturbance. These reefs also experienced a modest reduction in coral mortality following severe heat stress compared to reefs with reduced fish populations and enhanced land-based impacts. Scenario modelling indicated that simultaneously reducing land-sea human impacts results in a three- to sixfold greater probability of a reef having high reef-builder cover four years postdisturbance than if either occurred in isolation. International efforts to protect 30% of Earth's land and ocean ecosystems by 2030 are underway5. Our results reveal that integrated land-sea management could help achieve coastal ocean conservation goals and provide coral reefs with the best opportunity to persist in our changing climate.
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Affiliation(s)
- Jamison M Gove
- Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration (NOAA), Honolulu, HI, USA.
| | - Gareth J Williams
- School of Ocean Sciences, Bangor University, Menai Bridge, Anglesey, UK.
| | - Joey Lecky
- Pacific Islands Regional Office, National Oceanic and Atmospheric Administration, Honolulu, HI, USA
| | - Eric Brown
- National Park of American Samoa, Pago Pago, American Samoa, USA
| | | | - Chelsie Counsell
- Cooperative Institute for Marine and Atmospheric Research, Honolulu, HI, USA
| | - Gerald Davis
- Pacific Islands Regional Office, National Oceanic and Atmospheric Administration, Honolulu, HI, USA
| | - Mary K Donovan
- Center for Global Discovery and Conservation Science, Arizona State University, Hilo, HI, USA
- School of Geographical Sciences and Urban Planning, Arizona State University, Tempe, AZ, USA
| | | | | | - Kelly Kozar
- National Park Service, Pacific Island Network Inventory and Monitoring, Hawai'i National Park, HI, USA
| | - Ning Li
- Department of Ocean and Resources Engineering, University of Hawai'i at Mānoa, Honolulu, HI, USA
| | | | - Amanda McCutcheon
- National Park Service, Pacific Island Network Inventory and Monitoring, Hawai'i National Park, HI, USA
| | - Sheila A McKenna
- National Park Service, Pacific Island Network Inventory and Monitoring, Hawai'i National Park, HI, USA
| | | | - Aryan Safaie
- Graduate School of Oceanography, University of Rhode Island, Narragansett, RI, USA
| | | | | | - Gregory P Asner
- Center for Global Discovery and Conservation Science, Arizona State University, Hilo, HI, USA
- School of Ocean Futures, Arizona State University, Hilo, HI, USA
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4
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Whitney JL, Gove JM, McManus MA, Smith KA, Lecky J, Neubauer P, Phipps JE, Contreras EA, Kobayashi DR, Asner GP. Surface slicks are pelagic nurseries for diverse ocean fauna. Sci Rep 2021; 11:3197. [PMID: 33542255 PMCID: PMC7862242 DOI: 10.1038/s41598-021-81407-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 12/15/2020] [Indexed: 01/30/2023] Open
Abstract
Most marine animals have a pelagic larval phase that develops in the coastal or open ocean. The fate of larvae has profound effects on replenishment of marine populations that are critical for human and ecosystem health. Larval ecology is expected to be tightly coupled to oceanic features, but for most taxa we know little about the interactions between larvae and the pelagic environment. Here, we provide evidence that surface slicks, a common coastal convergence feature, provide nursery habitat for diverse marine larvae, including > 100 species of commercially and ecologically important fishes. The vast majority of invertebrate and larval fish taxa sampled had mean densities 2-110 times higher in slicks than in ambient water. Combining in-situ surveys with remote sensing, we estimate that slicks contain 39% of neustonic larval fishes, 26% of surface-dwelling zooplankton (prey), and 75% of floating organic debris (shelter) in our 1000 km2 study area in Hawai'i. Results indicate late-larval fishes actively select slick habitats to capitalize on concentrations of diverse prey and shelter. By providing these survival advantages, surface slicks enhance larval supply and replenishment of adult populations from coral reef, epipelagic, and deep-water ecosystems. Our findings suggest that slicks play a critically important role in enhancing productivity in tropical marine ecosystems.
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Affiliation(s)
- Jonathan L. Whitney
- grid.410445.00000 0001 2188 0957Joint Institute for Marine and Atmospheric Research, University of Hawai‘i at Mānoa, Honolulu, HI 96822 USA ,grid.3532.70000 0001 1266 2261Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, Honolulu, HI 96818 USA ,grid.410445.00000 0001 2188 0957Department of Oceanography, University of Hawai‘i at Mānoa, Honolulu, HI 96822 USA
| | - Jamison M. Gove
- grid.3532.70000 0001 1266 2261Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, Honolulu, HI 96818 USA
| | - Margaret A. McManus
- grid.410445.00000 0001 2188 0957Department of Oceanography, University of Hawai‘i at Mānoa, Honolulu, HI 96822 USA
| | - Katharine A. Smith
- grid.410445.00000 0001 2188 0957Joint Institute for Marine and Atmospheric Research, University of Hawai‘i at Mānoa, Honolulu, HI 96822 USA ,grid.410445.00000 0001 2188 0957Department of Oceanography, University of Hawai‘i at Mānoa, Honolulu, HI 96822 USA
| | - Joey Lecky
- grid.3532.70000 0001 1266 2261Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, Honolulu, HI 96818 USA ,Lynker Technologies LLC, Marine, Ocean, and Coastal Science and Information Group, Leesburg, VA 20175 USA
| | - Philipp Neubauer
- grid.507875.8Dragonfly Data Science, 158 Victoria St, Level 4, Te Aro, Wellington, 6011 New Zealand
| | - Jana E. Phipps
- grid.410445.00000 0001 2188 0957Joint Institute for Marine and Atmospheric Research, University of Hawai‘i at Mānoa, Honolulu, HI 96822 USA ,grid.3532.70000 0001 1266 2261Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, Honolulu, HI 96818 USA
| | - Emily A. Contreras
- grid.410445.00000 0001 2188 0957Joint Institute for Marine and Atmospheric Research, University of Hawai‘i at Mānoa, Honolulu, HI 96822 USA ,grid.3532.70000 0001 1266 2261Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, Honolulu, HI 96818 USA
| | - Donald R. Kobayashi
- grid.3532.70000 0001 1266 2261Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, Honolulu, HI 96818 USA
| | - Gregory P. Asner
- grid.215654.10000 0001 2151 2636Center for Global Discovery and Conservation Science, Arizona State University, Tempe, AZ 85281 USA
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5
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Foo SA, Walsh WJ, Lecky J, Marcoux S, Asner GP. Impacts of pollution, fishing pressure, and reef rugosity on resource fish biomass in West Hawaii. Ecol Appl 2021; 31:e2213. [PMID: 32750738 DOI: 10.1002/eap.2213] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 05/27/2020] [Accepted: 06/19/2020] [Indexed: 06/11/2023]
Abstract
Human activities and land-use drivers combine in complex ways to affect coral reef health and, in turn, the diversity and abundance of reef fauna. Here we examine the impacts of different marine protected area (MPA) types, and various human and habitat drivers, on resource fish functional groups (i.e., total fish, herbivore, grazer, scraper, and browser biomass) along the 180 km west coast of Hawaii Island. Across survey years from 2008 to 2018, we observed an overall decrease in total fish biomass of 45%, with similar decreases in biomass seen across most fish functional groups. MPAs that prohibited a combination of lay nets, aquarium collection, and spear fishing were most effective in maintaining and/or increasing fish biomass across all functional groups. We also found that pollution, fishing, and habitat drivers all contributed to changes in total fish biomass, where the most negative impact was nitrogen input from land-based sewage disposal. Fish biomass relationships with our study drivers depended on fish functional grouping. For surgeonfish (grazers), changes in biomass linked most strongly to changes in reef rugosity. For parrotfish (scrapers), biomass was better explained by changes in commercial catch where current commercial fishing levels are negatively affecting scraper populations. Our observations suggest that regional management of multiple factors, including habitat, pollution, and fisheries, will benefit resource fish biomass off Hawaii Island.
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Affiliation(s)
- Shawna A Foo
- Center for Global Discovery and Conservation Science, Arizona State University, Tempe, Arizona, 85287, USA
| | - William J Walsh
- Hawaii Division of Aquatic Resources, 74-380B Kealakehe Parkway, Kailua Kona, Hawaii, 96740, USA
| | - Joey Lecky
- Lynker Technologies LLC, Marine, Ocean, and Coastal Science and Information Group, 202 Church Street, SE/Suite 536, Leesburg, Virginia, 20175, USA
| | - Stacia Marcoux
- Pacific Cooperative Studies Unit, Hawaii Division of Aquatic Resources, 75-308B Kealakehe Parkway, Kailua Kona, Hawaii, 96740, USA
| | - Gregory P Asner
- Center for Global Discovery and Conservation Science, Arizona State University, Tempe, Arizona, 85287, USA
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6
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Jouffray JB, Wedding LM, Norström AV, Donovan MK, Williams GJ, Crowder LB, Erickson AL, Friedlander AM, Graham NAJ, Gove JM, Kappel CV, Kittinger JN, Lecky J, Oleson KLL, Selkoe KA, White C, Williams ID, Nyström M. Parsing human and biophysical drivers of coral reef regimes. Proc Biol Sci 2020; 286:20182544. [PMID: 30963937 PMCID: PMC6408596 DOI: 10.1098/rspb.2018.2544] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Coral reefs worldwide face unprecedented cumulative anthropogenic effects of interacting local human pressures, global climate change and distal social processes. Reefs are also bound by the natural biophysical environment within which they exist. In this context, a key challenge for effective management is understanding how anthropogenic and biophysical conditions interact to drive distinct coral reef configurations. Here, we use machine learning to conduct explanatory predictions on reef ecosystems defined by both fish and benthic communities. Drawing on the most spatially extensive dataset available across the Hawaiian archipelago—20 anthropogenic and biophysical predictors over 620 survey sites—we model the occurrence of four distinct reef regimes and provide a novel approach to quantify the relative influence of human and environmental variables in shaping reef ecosystems. Our findings highlight the nuances of what underpins different coral reef regimes, the overwhelming importance of biophysical predictors and how a reef's natural setting may either expand or narrow the opportunity space for management interventions. The methods developed through this study can help inform reef practitioners and hold promises for replication across a broad range of ecosystems.
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Affiliation(s)
- Jean-Baptiste Jouffray
- 1 Stockholm Resilience Centre, Stockholm University , Stockholm , Sweden.,2 Global Economic Dynamics and the Biosphere Academy Programme, Royal Swedish Academy of Sciences , Stockholm , Sweden
| | - Lisa M Wedding
- 3 Stanford Center for Ocean Solutions, Stanford University , Stanford, CA 94305 , USA
| | - Albert V Norström
- 1 Stockholm Resilience Centre, Stockholm University , Stockholm , Sweden
| | - Mary K Donovan
- 4 Hawai'i Institute of Marine Biology, University of Hawai'i at Mānoa , Kaneohe, HI 96744 , USA
| | - Gareth J Williams
- 5 School of Ocean Sciences, Bangor University , Anglesey LL59 5AB , UK
| | - Larry B Crowder
- 6 Hopkins Marine Station, Stanford University , Pacific Grove, CA 9395 , USA
| | - Ashley L Erickson
- 3 Stanford Center for Ocean Solutions, Stanford University , Stanford, CA 94305 , USA
| | - Alan M Friedlander
- 7 Pristine Seas, National Geographic Society , Washington, DC 20036 , USA
| | - Nicholas A J Graham
- 8 Lancaster Environment Centre, Lancaster University , Lancaster LA1 4YQ , UK
| | - Jamison M Gove
- 9 Ecosystem Science Division, Pacific Islands Fisheries Science Center, National Oceanic Atmospheric Administration , Honolulu, HI, 96818 , USA
| | - Carrie V Kappel
- 10 National Center for Ecological Analysis and Synthesis, University of California Santa Barbara , Santa Barbara, CA 93101 , USA
| | - John N Kittinger
- 11 Center for Oceans, Conservation International , Honolulu, HI 96825 , USA.,12 Julie Ann Wrigley Global Institute of Sustainability, Arizona State University , Tempe, AZ 85281 , USA
| | - Joey Lecky
- 13 Department of Natural Resources and Environmental Management, University of Hawai'i at Mānoa , Honolulu, HI 96822 , USA
| | - Kirsten L L Oleson
- 13 Department of Natural Resources and Environmental Management, University of Hawai'i at Mānoa , Honolulu, HI 96822 , USA
| | - Kimberly A Selkoe
- 10 National Center for Ecological Analysis and Synthesis, University of California Santa Barbara , Santa Barbara, CA 93101 , USA
| | - Crow White
- 14 Department of Biological Sciences, California Polytechnic State University , San Luis Obispo, CA 93407 , USA
| | - Ivor D Williams
- 9 Ecosystem Science Division, Pacific Islands Fisheries Science Center, National Oceanic Atmospheric Administration , Honolulu, HI, 96818 , USA
| | - Magnus Nyström
- 1 Stockholm Resilience Centre, Stockholm University , Stockholm , Sweden
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7
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Donovan MK, Friedlander AM, Lecky J, Jouffray JB, Williams GJ, Wedding LM, Crowder LB, Erickson AL, Graham NAJ, Gove JM, Kappel CV, Karr K, Kittinger JN, Norström AV, Nyström M, Oleson KLL, Stamoulis KA, White C, Williams ID, Selkoe KA. Combining fish and benthic communities into multiple regimes reveals complex reef dynamics. Sci Rep 2018; 8:16943. [PMID: 30446687 PMCID: PMC6240066 DOI: 10.1038/s41598-018-35057-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 10/30/2018] [Indexed: 11/10/2022] Open
Abstract
Coral reefs worldwide face an uncertain future with many reefs reported to transition from being dominated by corals to macroalgae. However, given the complexity and diversity of the ecosystem, research on how regimes vary spatially and temporally is needed. Reef regimes are most often characterised by their benthic components; however, complex dynamics are associated with losses and gains in both fish and benthic assemblages. To capture this complexity, we synthesised 3,345 surveys from Hawai'i to define reef regimes in terms of both fish and benthic assemblages. Model-based clustering revealed five distinct regimes that varied ecologically, and were spatially heterogeneous by island, depth and exposure. We identified a regime characteristic of a degraded state with low coral cover and fish biomass, one that had low coral but high fish biomass, as well as three other regimes that varied significantly in their ecology but were previously considered a single coral dominated regime. Analyses of time series data reflected complex system dynamics, with multiple transitions among regimes that were a function of both local and global stressors. Coupling fish and benthic communities into reef regimes to capture complex dynamics holds promise for monitoring reef change and guiding ecosystem-based management of coral reefs.
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Affiliation(s)
- Mary K Donovan
- Hawai'i Institute of Marine Biology, University of Hawai'i at Mānoa, Kaneohe, HI, 96744, USA.
| | | | - Joey Lecky
- Department of Natural Resources and Environmental Management, University of Hawai'i at Mānoa, Honolulu, HI, 96822, USA.,Office of National Marine Sanctuaries, National Oceanic Atmospheric Administration, Honolulu, HI, 96818, USA
| | - Jean-Baptiste Jouffray
- Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden.,Global Economic Dynamics and the Biosphere Academy Programme, Royal Swedish Academy of Sciences, Stockholm, Sweden
| | | | - Lisa M Wedding
- Center for Ocean Solutions, Stanford University, Stanford, CA, 94305, USA
| | - Larry B Crowder
- Hopkins Marine Station, Stanford University, Monterey, CA, 93950, USA
| | - Ashley L Erickson
- Center for Ocean Solutions, Stanford University, Stanford, CA, 94305, USA
| | - Nick A J Graham
- Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ, UK
| | - Jamison M Gove
- Ecosystem Sciences Division, Pacific Islands Fisheries Science Center, National Oceanic Atmospheric Administration, Honolulu, HI, 96818, USA
| | - Carrie V Kappel
- National Center for Ecological Analysis and Synthesis, University of California Santa Barbara, Santa Barbara, CA, 93101, USA
| | - Kendra Karr
- Oceans Program, Environmental Defense Fund, San Francisco, CA, 94105, USA
| | - John N Kittinger
- Center for Oceans, Conservation International, Honolulu, HI, 96825, USA.,Julie Ann Wrigley Global Institute of Sustainability, Arizona State University, Tempe, AZ, 85281, USA
| | - Albert V Norström
- Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden
| | - Magnus Nyström
- Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden
| | - Kirsten L L Oleson
- Department of Natural Resources and Environmental Management, University of Hawai'i at Mānoa, Honolulu, HI, 96822, USA
| | - Kostantinos A Stamoulis
- Department of Biology, University of Hawai'i at Mānoa, Honolulu, HI, 96822, USA.,Curtin University, Bentley, WA, 6102, Australia
| | - Crow White
- Department of Biological Sciences, California Polytechnic State University, San Luis Obispo, CA, 93407, USA
| | - Ivor D Williams
- Ecosystem Sciences Division, Pacific Islands Fisheries Science Center, National Oceanic Atmospheric Administration, Honolulu, HI, 96818, USA
| | - Kimberly A Selkoe
- National Center for Ecological Analysis and Synthesis, University of California Santa Barbara, Santa Barbara, CA, 93101, USA
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8
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Weijerman M, Veazey L, Yee S, Vaché K, Delevaux JMS, Donovan MK, Falinski K, Lecky J, Oleson KLL. Managing Local Stressors for Coral Reef Condition and Ecosystem Services Delivery Under Climate Scenarios. Front Mar Sci 2018; 5:10.3389/fmars.2018.00425. [PMID: 34124078 PMCID: PMC8193846 DOI: 10.3389/fmars.2018.00425] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Coral reefs provide numerous ecosystem goods and services, but are threatened by multiple environmental and anthropogenic stressors. To identify management scenarios that will reverse or mitigate ecosystem degradation, managers can benefit from tools that can quantify projected changes in ecosystem services due to alternative management options. We used a spatially-explicit biophysical ecosystem model to evaluate socio-ecological trade-offs of land-based vs. marine-based management scenarios, and local-scale vs. global-scale stressors and their cumulative impacts. To increase the relevance of understanding ecological change for the public and decision-makers, we used four ecological production functions to translate the model outputs into the ecosystem services: "State of the Reef," "Trophic Integrity," "Fisheries Production," and "Fisheries Landings." For a case study of Maui Nui, Hawai'i, land-based management attenuated coral cover decline whereas fisheries management promoted higher total fish biomass. Placement of no-take marine protected areas (MPAs) across 30% of coral reef areas led to a reversal of the historical decline in predatory fish biomass, although this outcome depended on the spatial arrangement of MPAs. Coral cover declined less severely under strict sediment mitigation scenarios. However, the benefits of these local management scenarios were largely lost when accounting for climate-related impacts. Climate-related stressors indirectly increased herbivore biomass due to the shift from corals to algae and, hence, greater food availability. The two ecosystem services related to fish biomass increased under climate-related stressors but "Trophic Integrity" of the reef declined, indicating a less resilient reef. "State of the Reef" improved most and "Trophic Integrity" declined least under an optimistic global warming scenario and strict local management. This work provides insight into the relative influence of land-based vs. marine-based management and local vs. global stressors as drivers of changes in ecosystem dynamics while quantifying the tradeoffs between conservation- and extraction-oriented ecosystem services.
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Affiliation(s)
- Mariska Weijerman
- Joint Institute of Marine and Atmospheric Research, University of Hawai’i at Mānoa, Honolulu, HI, United States
- Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, Honolulu, HI, United States
| | - Lindsay Veazey
- Department of Natural Resources and Environmental Management, University of Hawai’i at Mānoa, Honolulu, HI, United States
| | - Susan Yee
- Gulf Ecology Division, U.S. Environmental Protection Agency, Gulf Breeze, FL, United States
| | - Kellie Vaché
- Biological and Ecological Engineering, Oregon State University, Corvallis, OR, United States
| | - Jade M. S. Delevaux
- Department of Natural Resources and Environmental Management, University of Hawai’i at Mānoa, Honolulu, HI, United States
| | - Mary K. Donovan
- Hawai’i Institute of Marine Biology, University of Hawai’i at Mānoa, Kānéohe, HI, United States
| | - Kim Falinski
- Department of Natural Resources and Environmental Management, University of Hawai’i at Mānoa, Honolulu, HI, United States
| | - Joey Lecky
- Joint Institute of Marine and Atmospheric Research, University of Hawai’i at Mānoa, Honolulu, HI, United States
- Department of Natural Resources and Environmental Management, University of Hawai’i at Mānoa, Honolulu, HI, United States
| | - Kirsten L. L. Oleson
- Joint Institute of Marine and Atmospheric Research, University of Hawai’i at Mānoa, Honolulu, HI, United States
- Department of Natural Resources and Environmental Management, University of Hawai’i at Mānoa, Honolulu, HI, United States
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9
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Stamoulis KA, Delevaux JMS, Williams ID, Poti M, Lecky J, Costa B, Kendall MS, Pittman SJ, Donovan MK, Wedding LM, Friedlander AM. Seascape models reveal places to focus coastal fisheries management. Ecol Appl 2018; 28:910-925. [PMID: 29421847 DOI: 10.1002/eap.1696] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 12/13/2017] [Accepted: 12/21/2017] [Indexed: 06/08/2023]
Abstract
To design effective marine reserves and support fisheries, more information on fishing patterns and impacts for targeted species is needed, as well as better understanding of their key habitats. However, fishing impacts vary geographically and are difficult to disentangle from other factors that influence targeted fish distributions. We developed a set of fishing effort and habitat layers at high resolution and employed machine learning techniques to create regional-scale seascape models and predictive maps of biomass and body length of targeted reef fishes for the main Hawaiian Islands. Spatial patterns of fishing effort were shown to be highly variable and seascape models indicated a low threshold beyond which targeted fish assemblages were severely impacted. Topographic complexity, exposure, depth, and wave power were identified as key habitat variables that influenced targeted fish distributions and defined productive habitats for reef fisheries. High targeted reef fish biomass and body length were found in areas not easily accessed by humans, while model predictions when fishing effort was set to zero showed these high values to be more widely dispersed among suitable habitats. By comparing current targeted fish distributions with those predicted when fishing effort was removed, areas with high recovery potential on each island were revealed, with average biomass recovery of 517% and mean body length increases of 59% on Oahu, the most heavily fished island. Spatial protection of these areas would aid recovery of nearshore coral reef fisheries.
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Affiliation(s)
- Kostantinos A Stamoulis
- Curtin University, Kent Street, Bentley, Western Australia, 6102, Australia
- University of Hawai'i at Mānoa, 2500 Campus Road, Honolulu, Hawaii, 96822, USA
| | - Jade M S Delevaux
- University of Hawai'i at Mānoa, 2500 Campus Road, Honolulu, Hawaii, 96822, USA
| | - Ivor D Williams
- NOAA Pacific Islands Fisheries Science Center, 1845 Wasp Boulevard Building 176, Honolulu, Hawaii, 96818, USA
| | - Matthew Poti
- NOAA National Centers for Coastal Ocean Science, 1305 East West Highway N-SCI-1, SSMC 4, Silver Spring, Maryland, 20910, USA
- CSS, 10301 Democracy Lane, Suite 300, Fairfax, Virginia, 22030, USA
| | - Joey Lecky
- University of Hawai'i at Mānoa, 2500 Campus Road, Honolulu, Hawaii, 96822, USA
- NOAA Pacific Islands Fisheries Science Center, 1845 Wasp Boulevard Building 176, Honolulu, Hawaii, 96818, USA
- Joint Institute for Marine and Atmospheric Research, University of Hawai'i at Mānoa, 1000 Pope Road, Marine Sciences Building 312, Honolulu, Hawaii, 96822, USA
| | - Bryan Costa
- NOAA National Centers for Coastal Ocean Science, 1305 East West Highway N-SCI-1, SSMC 4, Silver Spring, Maryland, 20910, USA
| | - Matthew S Kendall
- NOAA National Centers for Coastal Ocean Science, 1305 East West Highway N-SCI-1, SSMC 4, Silver Spring, Maryland, 20910, USA
| | - Simon J Pittman
- NOAA National Centers for Coastal Ocean Science, 1305 East West Highway N-SCI-1, SSMC 4, Silver Spring, Maryland, 20910, USA
- Marine Conservation and Policy Research Group, Marine Institute, Plymouth University, Drake Circus, Plymouth, PL4 8AA, United Kingdom
| | - Mary K Donovan
- University of Hawai'i at Mānoa, 2500 Campus Road, Honolulu, Hawaii, 96822, USA
| | - Lisa M Wedding
- Center for Ocean Solutions, Stanford University, 473 Via Ortega, Room 193, Stanford, California, 94305, USA
| | - Alan M Friedlander
- University of Hawai'i at Mānoa, 2500 Campus Road, Honolulu, Hawaii, 96822, USA
- National Geographic Society, 1145 17th Street NW, Washington, D.C., 20090, USA
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10
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Wedding LM, Lecky J, Gove JM, Walecka HR, Donovan MK, Williams GJ, Jouffray JB, Crowder LB, Erickson A, Falinski K, Friedlander AM, Kappel CV, Kittinger JN, McCoy K, Norström A, Nyström M, Oleson KLL, Stamoulis KA, White C, Selkoe KA. Advancing the integration of spatial data to map human and natural drivers on coral reefs. PLoS One 2018; 13:e0189792. [PMID: 29494613 PMCID: PMC5832214 DOI: 10.1371/journal.pone.0189792] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 12/03/2017] [Indexed: 11/18/2022] Open
Abstract
A major challenge for coral reef conservation and management is understanding how a wide range of interacting human and natural drivers cumulatively impact and shape these ecosystems. Despite the importance of understanding these interactions, a methodological framework to synthesize spatially explicit data of such drivers is lacking. To fill this gap, we established a transferable data synthesis methodology to integrate spatial data on environmental and anthropogenic drivers of coral reefs, and applied this methodology to a case study location-the Main Hawaiian Islands (MHI). Environmental drivers were derived from time series (2002-2013) of climatological ranges and anomalies of remotely sensed sea surface temperature, chlorophyll-a, irradiance, and wave power. Anthropogenic drivers were characterized using empirically derived and modeled datasets of spatial fisheries catch, sedimentation, nutrient input, new development, habitat modification, and invasive species. Within our case study system, resulting driver maps showed high spatial heterogeneity across the MHI, with anthropogenic drivers generally greatest and most widespread on O'ahu, where 70% of the state's population resides, while sedimentation and nutrients were dominant in less populated islands. Together, the spatial integration of environmental and anthropogenic driver data described here provides a first-ever synthetic approach to visualize how the drivers of coral reef state vary in space and demonstrates a methodological framework for implementation of this approach in other regions of the world. By quantifying and synthesizing spatial drivers of change on coral reefs, we provide an avenue for further research to understand how drivers determine reef diversity and resilience, which can ultimately inform policies to protect coral reefs.
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Affiliation(s)
- Lisa M. Wedding
- Center for Ocean Solutions, Stanford University, Palo Alto, California, United States of America
| | - Joey Lecky
- Department of Natural Resources and Environmental Management, University of Hawai‘i at Mānoa, Honolulu, Hawai‘i, United States of America
- Ecosystem Sciences Division, NOAA Pacific Islands Fisheries Science Center, Honolulu, Hawai‘i, United States of America
| | - Jamison M. Gove
- Ecosystem Sciences Division, NOAA Pacific Islands Fisheries Science Center, Honolulu, Hawai‘i, United States of America
| | - Hilary R. Walecka
- Center for Ocean Solutions, Stanford University, Palo Alto, California, United States of America
- Bren School of Environmental Science and Management, University of California, Santa Barbara, Santa Barbara, California, United States of America
| | - Mary K. Donovan
- Fisheries Ecology Research Lab, Department of Biology, University of Hawai‘i at Mānoa, Honolulu, Hawai‘i, United States of America
| | | | | | - Larry B. Crowder
- Center for Ocean Solutions, Stanford University, Palo Alto, California, United States of America
| | - Ashley Erickson
- Center for Ocean Solutions, Stanford University, Palo Alto, California, United States of America
| | - Kim Falinski
- Department of Natural Resources and Environmental Management, University of Hawai‘i at Mānoa, Honolulu, Hawai‘i, United States of America
| | - Alan M. Friedlander
- Fisheries Ecology Research Lab, Department of Biology, University of Hawai‘i at Mānoa, Honolulu, Hawai‘i, United States of America
- Pristine Seas, National Geographic Society, Washington, DC, United States of America
| | - Carrie V. Kappel
- National Center for Ecological Analysis and Synthesis, University of California, Santa Barbara, Santa Barbara, California, United States of America
| | - John N. Kittinger
- Conservation International, Center for Oceans, Honolulu, Hawai‘i, United States of America
- Arizona State University, Center for Biodiversity Outcomes, Julie Ann Wrigley Global Institute of Sustainability, Tempe, Arizona, United States of America
| | - Kaylyn McCoy
- Fisheries Ecology Research Lab, Department of Biology, University of Hawai‘i at Mānoa, Honolulu, Hawai‘i, United States of America
| | - Albert Norström
- Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden
- Global Economic Dynamics and the Biosphere Academy Programme, Royal Swedish Academy of Sciences, Stockholm, Sweden
| | - Magnus Nyström
- Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden
- Global Economic Dynamics and the Biosphere Academy Programme, Royal Swedish Academy of Sciences, Stockholm, Sweden
| | - Kirsten L. L. Oleson
- Department of Natural Resources and Environmental Management, University of Hawai‘i at Mānoa, Honolulu, Hawai‘i, United States of America
| | - Kostantinos A. Stamoulis
- Fisheries Ecology Research Lab, Department of Biology, University of Hawai‘i at Mānoa, Honolulu, Hawai‘i, United States of America
- Curtin University, Department of Environment and Agriculture, Perth, Australia
| | - Crow White
- Biological Sciences Department, California Polytechnic State University, San Luis Obispo, California, United States of America
| | - Kimberly A. Selkoe
- Bren School of Environmental Science and Management, University of California, Santa Barbara, Santa Barbara, California, United States of America
- National Center for Ecological Analysis and Synthesis, University of California, Santa Barbara, Santa Barbara, California, United States of America
- Hawai‘i Institute of Marine Biology, University of Hawai‘i at Mānoa, Kāne‘ohe, Hawai‘i, United States of America
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11
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Oleson KLL, Falinski KA, Lecky J, Rowe C, Kappel CV, Selkoe KA, White C. Upstream solutions to coral reef conservation: The payoffs of smart and cooperative decision-making. J Environ Manage 2017; 191:8-18. [PMID: 28082251 DOI: 10.1016/j.jenvman.2016.12.067] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 12/21/2016] [Accepted: 12/27/2016] [Indexed: 06/06/2023]
Abstract
Land-based source pollutants (LBSP) actively threaten coral reef ecosystems globally. To achieve the greatest conservation outcome at the lowest cost, managers could benefit from appropriate tools that evaluate the benefits (in terms of LBSP reduction) and costs of implementing alternative land management strategies. Here we use a spatially explicit predictive model (InVEST-SDR) that quantifies change in sediment reaching the coast for evaluating the costs and benefits of alternative threat-abatement scenarios. We specifically use the model to examine trade-offs among possible agricultural road repair management actions (water bars to divert runoff and gravel to protect the road surface) across the landscape in West Maui, Hawaii, USA. We investigated changes in sediment delivery to coasts and costs incurred from management decision-making that is (1) cooperative or independent among landowners, and focused on (2) minimizing costs, reducing sediment, or both. The results illuminate which management scenarios most effectively minimize sediment while also minimizing the cost of mitigation efforts. We find targeting specific "hotspots" within all individual parcels is more cost-effective than targeting all road segments. The best outcomes are achieved when landowners cooperate and target cost-effective road repairs, however, a cooperative strategy can be counter-productive in some instances when cost-effectiveness is ignored. Simple models, such as the one developed here, have the potential to help managers make better choices about how to use limited resources.
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Affiliation(s)
- Kirsten L L Oleson
- Department of Natural Resources and Environmental Management, University of Hawai'i, 1910 East West Road, Honolulu, HI 96822, USA.
| | - Kim A Falinski
- Department of Natural Resources and Environmental Management, University of Hawai'i, 1910 East West Road, Honolulu, HI 96822, USA.
| | - Joey Lecky
- Department of Natural Resources and Environmental Management, University of Hawai'i, 1910 East West Road, Honolulu, HI 96822, USA.
| | - Clara Rowe
- Yale School of Forestry and Environmental Studies, 195 Prospect St., New Haven, CT 06511, USA.
| | - Carrie V Kappel
- National Center for Ecological Analysis and Synthesis, 735 State Street, Santa Barbara, CA 93101, USA.
| | - Kimberly A Selkoe
- National Center for Ecological Analysis and Synthesis, 735 State Street, Santa Barbara, CA 93101, USA; Hawai'i Institute of Marine Biology, University of Hawai'i, Kāne'ohe, HI 97644, USA.
| | - Crow White
- Biological Sciences Department, California Polytechnic State University, San Luis Obispo, CA 93407, USA.
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12
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Costa B, Kendall MS, Parrish FA, Rooney J, Boland RC, Chow M, Lecky J, Montgomery A, Spalding H. Identifying Suitable Locations for Mesophotic Hard Corals Offshore of Maui, Hawai'i. PLoS One 2015; 10:e0130285. [PMID: 26153883 PMCID: PMC4495987 DOI: 10.1371/journal.pone.0130285] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 05/19/2015] [Indexed: 11/19/2022] Open
Abstract
Mesophotic hard corals (MHC) are increasingly threatened by a growing number of anthropogenic stressors, including impacts from fishing, land-based sources of pollution, and ocean acidification. However, little is known about their geographic distributions (particularly around the Pacific islands) because it is logistically challenging and expensive to gather data in the 30 to 150 meter depth range where these organisms typically live. The goal of this study was to begin to fill this knowledge gap by modelling and predicting the spatial distribution of three genera of mesophotic hard corals offshore of Maui in the Main Hawaiian Islands. Maximum Entropy modeling software was used to create separate maps of predicted probability of occurrence and uncertainty for: (1) Leptoseris, (2) Montipora, and (3) Porites. Genera prevalence was derived from the in situ presence/absence data, and used to convert relative habitat suitability to probability of occurrence values. Approximately 1,300 georeferenced records of the occurrence of MHC, and 34 environmental predictors were used to train the model ensembles. Receiver Operating Characteristic (ROC) Area Under the Curve (AUC) values were between 0.89 and 0.97, indicating excellent overall model performance. Mean uncertainty and mean absolute error for the spatial predictions ranged from 0.006% to 0.05% and 3.73% to 17.6%, respectively. Depth, distance from shore, euphotic depth (mean and standard deviation) and sea surface temperature (mean and standard deviation) were identified as the six most influential predictor variables for partitioning habitats among the three genera. MHC were concentrated between Hanaka'ō'ō and Papawai Points offshore of western Maui most likely because this area hosts warmer, clearer and calmer water conditions almost year round. While these predictions helped to fill some knowledge gaps offshore of Maui, many information gaps remain in the Hawaiian Archipelago and Pacific Islands. This approach may be used to identify other potentially suitable areas for MHCs, helping scientists and resource managers prioritize sites, and focus their limited resources on areas that may be of higher scientific or conservation value.
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Affiliation(s)
- Bryan Costa
- National Centers for Coastal Ocean Science Biogeography Branch, National Oceanic and Atmospheric Administration, Silver Spring, Maryland, United States of America
- CSS-Dynamac, Fairfax, Virginia, United States of America
- * E-mail:
| | - Matthew S. Kendall
- National Centers for Coastal Ocean Science Biogeography Branch, National Oceanic and Atmospheric Administration, Silver Spring, Maryland, United States of America
| | - Frank A. Parrish
- Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, Honolulu, Hawai‘i, United States of America
| | - John Rooney
- Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, Honolulu, Hawai‘i, United States of America
| | - Raymond C. Boland
- Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, Honolulu, Hawai‘i, United States of America
| | - Malia Chow
- Office of National Marine Sanctuaries, National Oceanic and Atmospheric Administration, Honolulu, Hawai‘i, United States of America
| | - Joey Lecky
- Office of National Marine Sanctuaries, National Oceanic and Atmospheric Administration, Honolulu, Hawai‘i, United States of America
| | - Anthony Montgomery
- Pacific Islands Fish and Wildlife Office, United States Fish and Wildlife Service, Honolulu, Hawai‘i, United States of America
| | - Heather Spalding
- Deparment of Botany, University of Hawai’i at Mānoa, Honolulu, Hawai‘i, United States of America
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13
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Shultz JF, Seligman B, Lecky J, Anderson RB. Studies of the Fischer—Tropsch Synthesis. XII. Composition Changes of Nitrided Iron Catalysts During the Synthesis1. J Am Chem Soc 2002. [DOI: 10.1021/ja01123a016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Rapp SE, Conahan TJ, Pavlin DJ, Levy WJ, Hautman B, Lecky J, Luke J, Nessly ML. Comparison of desflurane with propofol in outpatients undergoing peripheral orthopedic surgery. Anesth Analg 1992; 75:572-9. [PMID: 1530170 DOI: 10.1213/00000539-199210000-00019] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
This study was undertaken to compare desflurane with propofol anesthesia in outpatients undergoing peripheral orthopedic surgery. Data were combined from two institutions participating in a multicenter study. Ninety-one patients, ASA physical status I or II, were each randomly assigned to one of four groups. After administration of fentanyl (2 micrograms/kg) and d-tubocurarine (3 mg), intravenous propofol was administered to induce anesthesia in groups I and II and desflurane in groups III and IV. Maintenance was provided by desflurane/N2O in groups I and III, propofol/N2O in group II, and desflurane/O2 in group IV. Emergence and recovery variables, psychometric test results, and side effects were recorded by observers unaware of the experimental treatment. Patients in group II experienced less nausea than other groups (P = 0.002) despite this group having required more intraoperative fentanyl supplementation than groups III and IV (P = 0.01). Time to emergence, discharge, and psychometric test results were similar in all groups. Desflurane appears to be comparable with propofol as an outpatient anesthetic, facilitating rapid recovery and discharge home.
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Affiliation(s)
- S E Rapp
- Department of Anesthesiology, University of Washington School of Medicine, Seattle 98195
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15
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Loper KA, Coldwell DM, Lecky J, Dowling C. Celiac plexus block for hepatic arterial embolization: a comparison with intravenous morphine. Anesth Analg 1989; 69:398-9. [PMID: 2774238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- K A Loper
- Department of Anesthesia, University of Washington, Seattle 98136
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16
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Bernthal P, Hays A, Tarter RE, Van Thiel D, Lecky J, Hegedus A. Cerebral CT scan abnormalities in cholestatic and hepatocellular disease and their relationship to neuropsychologic test performance. Hepatology 1987; 7:107-14. [PMID: 3804189 DOI: 10.1002/hep.1840070122] [Citation(s) in RCA: 56] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Forty-nine nonalcoholic cirrhotic patients, on whom cranial CT scans were available, were administered a battery of neuropsychological tests. Although none of the subjects exhibited clinical signs or symptoms of hepatic encephalopathy, quantification of the CT scan image implicated cerebral edema and cortical atrophy. In addition numerous significant correlations were observed between the CT variables and neuropsychological test performance. The findings are conjectured to reflect previously unrecognized cerebral morphologic changes associated with chronic subclinical portal-systemic encephalopathy.
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17
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Bookstein JJ, Maxwell MH, Abrams HL, Buenger RE, Lecky J, Franklin SS. Cooperative study of radiologic aspects of renovascular hypertension. Bilateral renovascular disease. JAMA 1977; 237:1706-9. [PMID: 576673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Abnormal urographic features were present in 60.7% of 250 patients with bilateral diseases. The urogram was relatively insensitive in the minority of patients whose lesions were of approximately equivalent severity bilaterally. In bilateral renovascular disease, the urogram demonstrated some surgical prognostic value that was not evident in unilateral renovascular disease. Furthermore, in patients with bilateral disease, the urogram was helpful in deciding between unilateral or bilateral operation.
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Bookstein JJ, Abrams HL, Buenger RE, Lecky J, Franklin SS, Reiss MD, Bleifer KH, Klatte EC, Maxwell MH. Radiologic aspects of renovascular hypertension. 1. Aims and methods of the radiology study group. JAMA 1972; 220:1218-24. [PMID: 5067310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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19
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Bookstein JJ, Abrams HL, Buenger RE, Lecky J, Franklin SS, Reiss MD, Bleifer KH, Klatte EC, Varady PD, Maxwell MH. Radiologic aspects of renovascular hypertension. 2. The role of urography in unilateral renovascular disease. JAMA 1972; 220:1225-30. [PMID: 5067311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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