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Wisnoski NI, Lennon JT. Scaling up and down: movement ecology for microorganisms. Trends Microbiol 2023; 31:242-253. [PMID: 36280521 DOI: 10.1016/j.tim.2022.09.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/28/2022] [Accepted: 09/30/2022] [Indexed: 11/06/2022]
Abstract
Movement is critical for the fitness of organisms, both large and small. It dictates how individuals acquire resources, evade predators, exchange genetic material, and respond to stressful environments. Movement also influences ecological and evolutionary dynamics at higher organizational levels, such as populations and communities. However, the links between individual motility and the processes that generate and maintain microbial diversity are poorly understood. Movement ecology is a framework linking the physiological and behavioral properties of individuals to movement patterns across scales of space, time, and biological organization. By synthesizing insights from cell biology, ecology, and evolution, we expand theory from movement ecology to predict the causes and consequences of microbial movements.
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Affiliation(s)
- Nathan I Wisnoski
- Wyoming Geographic Information Science Center, University of Wyoming, Laramie, WY 82071, USA; Department of Biological Sciences, Mississippi State University, Mississippi State, MS 39762, USA.
| | - Jay T Lennon
- Department of Biology, Indiana University, Bloomington, IN 47405, USA
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Hatch JM, Haas HL, Sasso CR, Patel SH, Smolowitz RJ. Estimating the complex patterns of survey availability for loggerhead turtles. J Wildl Manage 2022. [DOI: 10.1002/jwmg.22208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Joshua M. Hatch
- NOAA National Marine Fisheries Service, NEFSC Woods Hole 02543 MA USA
| | - Heather L. Haas
- NOAA National Marine Fisheries Service, NEFSC Woods Hole 02543 MA USA
| | | | - Samir H. Patel
- Coonamessett Farm Foundation, 277 Hatchville Road East Falmouth 02536 MA USA
| | - Ronald J. Smolowitz
- Coonamessett Farm Foundation, 277 Hatchville Road East Falmouth 02536 MA USA
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Chatzimentor A, Almpanidou V, Doxa A, Dimitriadis C, Mazaris AD. Projected redistribution of sea turtle foraging areas reveals important sites for conservation. CLIMATE CHANGE ECOLOGY 2021. [DOI: 10.1016/j.ecochg.2021.100038] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Crowe LM, Hatch JM, Patel SH, Smolowitz RJ, Haas HL. Riders on the storm: loggerhead sea turtles detect and respond to a major hurricane in the Northwest Atlantic Ocean. MOVEMENT ECOLOGY 2020; 8:32. [PMID: 32742661 PMCID: PMC7385951 DOI: 10.1186/s40462-020-00218-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 07/03/2020] [Indexed: 05/08/2023]
Abstract
BACKGROUND Extreme weather events, including hurricanes, have considerable biological, ecological, and anthropogenic impacts. Hurricane Irene caused substantial economic damage when it hit the Mid-Atlantic Bight (MAB) off of the eastern United States in August of 2011. The MAB is highly stratified during the summer when a strong thermocline separates warm, surface water from deep, cold water, and this oceanographic phenomenon makes modeling hurricane strength difficult. Loggerhead sea turtles (Caretta caretta) forage in the MAB primarily during the stratified season and their dive behavior to the bottom allows them to experience the oceanographic conditions of the entire water column. METHODS In this study, we analyzed the movements and dive behavior of juvenile and adult-sized loggerhead sea turtles (n = 18) that were foraging in the MAB as Hurricane Irene moved through the region. The satellite tags deployed on these turtles transmitted location data and dive behavior as well as sea surface temperature (SST) and temperature-depth profiles during this time. RESULTS Behavioral and environmental shifts were observed during and after the hurricane compared to conditions before the storm. During the hurricane, most of the turtles (n = 15) moved north of their pre-storm foraging grounds. Following the storm, some turtles left their established foraging sites (n = 8) moving south by 7.3-135.0 km, and for the others that remained (n = 10), 12% of the observed dives were longer (0.54-1.11 h) than dives observed before the storm. The in situ data collected by the turtle-borne tags captured the cooling of the SST (Mean difference = 4.47°C) and the deepening of the thermocline relative to the pre-storm conditions. CONCLUSIONS Some of the loggerhead behavior observed relative to a passing hurricane differed from the regular pattern of seasonal movement expected for turtles that forage in the MAB. These data documented the shifts in sea turtle behavior and distribution during an ecosystem-level perturbation and the recorded in situ data demonstrated that loggerheads observe environmental changes to the entire water column, including during extreme weather events.
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Affiliation(s)
- Leah M. Crowe
- Integrated Statistics under contract to the Northeast Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 166 Water Street, Woods Hole, MA 02543 USA
| | - Joshua M. Hatch
- Northeast Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 166 Water Street, Woods Hole, MA 02543 USA
| | - Samir H. Patel
- Coonamessett Farm Foundation, 277 Hatchville Road, East Falmouth, MA 02536 USA
| | - Ronald J. Smolowitz
- Coonamessett Farm Foundation, 277 Hatchville Road, East Falmouth, MA 02536 USA
| | - Heather L. Haas
- Northeast Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 166 Water Street, Woods Hole, MA 02543 USA
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Haywood JC, Fuller WJ, Godley BJ, Margaritoulis D, Shutler JD, Snape RTE, Widdicombe S, Zbinden JA, Broderick AC. Spatial ecology of loggerhead turtles: Insights from stable isotope markers and satellite telemetry. DIVERS DISTRIB 2020. [DOI: 10.1111/ddi.13023] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Julia C. Haywood
- Marine Turtle Research Group Centre for Ecology and Conservation University of Exeter Cornwall UK
- Plymouth Marine Laboratory Plymouth UK
| | - Wayne J. Fuller
- Faculty of Veterinary Medicine Near East University North Cyprus
| | - Brendan J. Godley
- Marine Turtle Research Group Centre for Ecology and Conservation University of Exeter Cornwall UK
- Environment and Sustainability Institute University of Exeter Cornwall UK
| | | | - Jamie D. Shutler
- Centre for Geography and Environmental Science University of Exeter Cornwall UK
| | - Robin TE. Snape
- Marine Turtle Research Group Centre for Ecology and Conservation University of Exeter Cornwall UK
- Society for the Protection of Turtles North Cyprus
| | | | | | - Annette C. Broderick
- Marine Turtle Research Group Centre for Ecology and Conservation University of Exeter Cornwall UK
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Iverson AR, Fujisaki I, Lamont MM, Hart KM. Loggerhead sea turtle (Caretta caretta) diving changes with productivity, behavioral mode, and sea surface temperature. PLoS One 2019; 14:e0220372. [PMID: 31390354 PMCID: PMC6685635 DOI: 10.1371/journal.pone.0220372] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 07/15/2019] [Indexed: 11/29/2022] Open
Abstract
The relationship between dive behavior and oceanographic conditions is not well understood for marine predators, especially sea turtles. We tagged loggerhead turtles (Caretta caretta) with satellite-linked depth loggers in the Gulf of Mexico, where there is a minimal amount of dive data for this species. We tested for associations between four measurements of dive behavior (total daily dive frequency, frequency of dives to the bottom, frequency of long dives and time-at-depth) and both oceanographic conditions (sea surface temperature [SST], net primary productivity [NPP]) and behavioral mode (inter-nesting, migration, or foraging). From 2011-2013 we obtained 26 tracks from 25 adult female loggerheads tagged after nesting in the Gulf of Mexico. All turtles remained in the Gulf of Mexico and spent about 10% of their time at the surface (10% during inter-nesting, 14% during migration, 9% during foraging). Mean total dive frequency was 41.9 times per day. Most dives were ≤ 25 m and between 30-40 min. During inter-nesting and foraging, turtles dived to the bottom 95% of days. SST was an important explanatory variable for all dive patterns; higher SST was associated with more dives per day, more long dives and more dives to the seafloor. Increases in NPP were associated with more long dives and more dives to the bottom, while lower NPP resulted in an increased frequency of overall diving. Longer dives occurred more frequently during migration and a higher proportion of dives reached the seafloor during foraging when SST and NPP were higher. Our study stresses the importance of the interplay between SST and foraging resources for influencing dive behavior.
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Affiliation(s)
- Autumn R. Iverson
- Cherokee Nation Technologies, contracted to Wetland and Aquatic Research Center, United States Geological Survey, Davie, Florida, United States of America
| | - Ikuko Fujisaki
- Fort Lauderdale Research and Education Center, University of Florida, Davie, Florida, United States of America
| | - Margaret M. Lamont
- Wetland and Aquatic Research Center, United States Geological Survey, Gainesville, Florida, United States of America
| | - Kristen M. Hart
- Wetland and Aquatic Research Center, United States Geological Survey, Davie, Florida, United States of America
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Chatterjee A, George EA, M V P, Basu P, Brockmann A. Honey bees flexibly use two navigational memories when updating dance distance information. ACTA ACUST UNITED AC 2019; 222:jeb.195099. [PMID: 31097604 DOI: 10.1242/jeb.195099] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 05/10/2019] [Indexed: 12/16/2022]
Abstract
Honey bees can communicate navigational information which makes them unique amongst all prominent insect navigators. Returning foragers recruit nest mates to a food source by communicating flight distance and direction using a small scale walking pattern: the waggle dance. It is still unclear how bees transpose flight information to generate corresponding dance information. In single feeder shift experiments, we monitored for the first time how individual bees update dance duration after a shift of feeder distance. Interestingly, the majority of bees (86%) needed two or more foraging trips to update dance duration. This finding demonstrates that transposing flight navigation information to dance information is not a reflexive behavior. Furthermore, many bees showed intermediate dance durations during the update process, indicating that honey bees highly likely use two memories: (i) a recently acquired navigation experience and (ii) a previously stored flight experience. Double-shift experiments, in which the feeder was moved forward and backward, created an experimental condition in which honey bee foragers did not update dance duration; suggesting the involvement of more complex memory processes. Our behavioral paradigm allows the dissociation of foraging and dance activity and opens the possibility of studying the molecular and neural processes underlying the waggle dance behavior.
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Affiliation(s)
- Arumoy Chatterjee
- National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore 560065, India.,School of Chemical & Biotechnology, SASTRA University, Thanjavur 613401, India
| | - Ebi A George
- National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore 560065, India
| | - Prabhudev M V
- National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore 560065, India.,Department of Biosciences, University of Mysore, Mysore 570006, India
| | - Pallab Basu
- International Centre for Theoretical Sciences, Tata Institute of Fundamental Research, Bangalore 560 089, India
| | - Axel Brockmann
- National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore 560065, India
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Casale P, Broderick AC, Camiñas JA, Cardona L, Carreras C, Demetropoulos A, Fuller WJ, Godley BJ, Hochscheid S, Kaska Y, Lazar B, Margaritoulis D, Panagopoulou A, Rees AF, Tomás J, Türkozan O. Mediterranean sea turtles: current knowledge and priorities for conservation and research. ENDANGER SPECIES RES 2018. [DOI: 10.3354/esr00901] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Rees AF, Alfaro-Shigueto J, Barata PCR, Bjorndal KA, Bolten AB, Bourjea J, Broderick AC, Campbell LM, Cardona L, Carreras C, Casale P, Ceriani SA, Dutton PH, Eguchi T, Formia A, Fuentes MMPB, Fuller WJ, Girondot M, Godfrey MH, Hamann M, Hart KM, Hays GC, Hochscheid S, Kaska Y, Jensen MP, Mangel JC, Mortimer JA, Naro-Maciel E, Ng CKY, Nichols WJ, Phillott AD, Reina RD, Revuelta O, Schofield G, Seminoff JA, Shanker K, Tomás J, van de Merwe JP, Van Houtan KS, Vander Zanden HB, Wallace BP, Wedemeyer-Strombel KR, Work TM, Godley BJ. Are we working towards global research priorities for management and conservation of sea turtles? ENDANGER SPECIES RES 2016. [DOI: 10.3354/esr00801] [Citation(s) in RCA: 175] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Coastal leatherback turtles reveal conservation hotspot. Sci Rep 2016; 6:37851. [PMID: 27886262 PMCID: PMC5122952 DOI: 10.1038/srep37851] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 11/02/2016] [Indexed: 11/28/2022] Open
Abstract
Previous studies have shown that the world’s largest reptile – the leatherback turtle Dermochelys coriacea – conducts flexible foraging migrations that can cover thousands of kilometres between nesting sites and distant foraging areas. The vast distances that may be travelled by migrating leatherback turtles have greatly complicated conservation efforts for this species worldwide. However, we demonstrate, using a combination of satellite telemetry and stable isotope analysis, that approximately half of the nesting leatherbacks from an important rookery in South Africa do not migrate to distant foraging areas, but rather, forage in the coastal waters of the nearby Mozambique Channel. Moreover, this coastal cohort appears to remain resident year-round in shallow waters (<50 m depth) in a relatively fixed area. Stable isotope analyses further indicate that the Mozambique Channel also hosts large numbers of loggerhead turtles Caretta caretta. The rare presence of a resident coastal aggregation of leatherback turtles not only presents a unique opportunity for conservation, but alongside the presence of loggerhead turtles and other endangered marine megafauna in the Mozambique Channel, highlights the importance of this area as a marine biodiversity hotspot.
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Patel SH, Morreale SJ, Saba VS, Panagopoulou A, Margaritoulis D, Spotila JR. Climate Impacts on Sea Turtle Breeding Phenology in Greece and Associated Foraging Habitats in the Wider Mediterranean Region. PLoS One 2016; 11:e0157170. [PMID: 27332550 PMCID: PMC4917093 DOI: 10.1371/journal.pone.0157170] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 05/25/2016] [Indexed: 11/18/2022] Open
Abstract
Sea turtles are vulnerable to climate change impacts in both their terrestrial (nesting beach) and oceanic habitats. From 1982 to 2012, air and sea surface temperatures at major high use foraging and nesting regions (n = 5) of loggerhead turtles (Caretta caretta) nesting in Greece have steadily increased. Here, we update the established relationships between sea surface temperature and nesting data from Zakynthos (latitude: 37.7°N), a major nesting beach, while also expanding these analyses to include precipitation and air temperature and additional nesting data from two other key beaches in Greece: Kyparissia Bay (latitude: 37.3°N) and Rethymno, Crete (latitude: 35.4°N). We confirmed that nesting phenology at Zakynthos has continued to be impacted by breeding season temperature; however, temperature has no consistent relationship with nest numbers, which are declining on Zakynthos and Crete but increasing at Kyparissia. Then using statistically downscaled outputs of 14 climate models assessed by the Intergovernmental Panel on Climate Change (IPCC), we projected future shifts in nesting for these populations. Based on the climate models, we projected that temperature at the key foraging and breeding sites (Adriatic Sea, Aegean Sea, Crete, Gulf of Gabès and Zakynthos/Kyparissia Bay; overall latitudinal range: 33.0°-45.8°N) for loggerhead turtles nesting in Greece will rise by 3-5°C by 2100. Our calculations indicate that the projected rise in air and ocean temperature at Zakynthos could cause the nesting season in this major rookery to shift to an earlier date by as much as 50-74 days by 2100. Although an earlier onset of the nesting season may provide minor relief for nest success as temperatures rise, the overall climatic changes to the various important habitats will most likely have an overall negative impact on this population.
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Affiliation(s)
- Samir H. Patel
- Department of Biodiversity, Earth and Environmental Science, Drexel University, Philadelphia, PA, 19104, United States of America
- * E-mail:
| | - Stephen J. Morreale
- Cornell University, Department of Natural Resources, Ithaca, NY, 14850, United States of America
| | - Vincent S. Saba
- NOAA NMFS NEFSC, c/o Geophysical Fluid Dynamics Laboratory, Princeton University Forrestal Campus, Princeton, NJ, 08544, United States of America
| | - Aliki Panagopoulou
- Department of Biodiversity, Earth and Environmental Science, Drexel University, Philadelphia, PA, 19104, United States of America
- ARCHELON, the Sea Turtle Protection Society of Greece, 104 32 Athens, Greece
| | | | - James R. Spotila
- Department of Biodiversity, Earth and Environmental Science, Drexel University, Philadelphia, PA, 19104, United States of America
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