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Trumbo DR, Hardy BM, Crockett HJ, Muths E, Forester BR, Cheek RG, Zimmerman SJ, Corey-Rivas S, Bailey LL, Funk WC. Conservation genomics of an endangered montane amphibian reveals low population structure, low genomic diversity and selection pressure from disease. Mol Ecol 2023; 32:6777-6795. [PMID: 37864490 DOI: 10.1111/mec.17175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 10/07/2023] [Accepted: 10/11/2023] [Indexed: 10/23/2023]
Abstract
Wildlife diseases are a major global threat to biodiversity. Boreal toads (Anaxyrus [Bufo] boreas) are a state-endangered species in the southern Rocky Mountains of Colorado and New Mexico, and a species of concern in Wyoming, largely due to lethal skin infections caused by the amphibian chytrid fungus Batrachochytrium dendrobatidis (Bd). We performed conservation and landscape genomic analyses using single nucleotide polymorphisms from double-digest, restriction site-associated DNA sequencing in combination with the development of the first boreal toad (and first North American toad) reference genome to investigate population structure, genomic diversity, landscape connectivity and adaptive divergence. Genomic diversity (π = 0.00034-0.00040) and effective population sizes (Ne = 8.9-38.4) were low, likely due to post-Pleistocene founder effects and Bd-related population crashes over the last three decades. Population structure was also low, likely due to formerly high connectivity among a higher density of geographically proximate populations. Boreal toad gene flow was facilitated by low precipitation, cold minimum temperatures, less tree canopy, low heat load and less urbanization. We found >8X more putatively adaptive loci related to Bd intensity than to all other environmental factors combined, and evidence for genes under selection related to immune response, heart development and regulation and skin function. These data suggest boreal toads in habitats with Bd have experienced stronger selection pressure from disease than from other, broad-scale environmental variations. These findings can be used by managers to conserve and recover the species through actions including reintroduction and supplementation of populations that have declined due to Bd.
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Affiliation(s)
- D R Trumbo
- Department of Biology, Colorado State University, Fort Collins, Colorado, USA
| | - B M Hardy
- Department of Biology, Colorado State University, Fort Collins, Colorado, USA
- Department of Fish, Wildlife and Conservation Biology, Colorado State University, Fort Collins, Colorado, USA
- Graduate Degree Program in Ecology, Colorado State University, Fort Collins, Colorado, USA
| | - H J Crockett
- Colorado Parks and Wildlife, Fort Collins, Colorado, USA
| | - E Muths
- U.S. Geological Survey, Fort Collins Science Center, Fort Collins, Colorado, USA
| | - B R Forester
- Department of Biology, Colorado State University, Fort Collins, Colorado, USA
| | - R G Cheek
- Department of Biology, Colorado State University, Fort Collins, Colorado, USA
- Graduate Degree Program in Ecology, Colorado State University, Fort Collins, Colorado, USA
| | - S J Zimmerman
- U.S. Geological Survey, Fort Collins Science Center, Fort Collins, Colorado, USA
| | - S Corey-Rivas
- Department of Biology, New Mexico Highlands University, Las Vegas, New Mexico, USA
| | - L L Bailey
- Department of Fish, Wildlife and Conservation Biology, Colorado State University, Fort Collins, Colorado, USA
- Graduate Degree Program in Ecology, Colorado State University, Fort Collins, Colorado, USA
| | - W C Funk
- Department of Biology, Colorado State University, Fort Collins, Colorado, USA
- Graduate Degree Program in Ecology, Colorado State University, Fort Collins, Colorado, USA
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Davis CL, Muñoz DJ, Amburgey SM, Dinsmore CR, Teitsworth EW, Miller DAW. Multistate model to estimate sex‐specific dispersal rates and distances for a wetland‐breeding amphibian population. Ecosphere 2023. [DOI: 10.1002/ecs2.4345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Affiliation(s)
- Courtney L. Davis
- Department of Ecosystem Science and Management Pennsylvania State University University Park Pennsylvania USA
- Intercollege Graduate Ecology Program, Pennsylvania State University University Park Pennsylvania USA
- Cornell Lab of Ornithology Cornell University Ithaca New York USA
| | - David J. Muñoz
- Department of Ecosystem Science and Management Pennsylvania State University University Park Pennsylvania USA
- Intercollege Graduate Ecology Program, Pennsylvania State University University Park Pennsylvania USA
| | - Staci M. Amburgey
- Washington Cooperative Fish and Wildlife Research Unit, School of Aquatic and Fishery Sciences University of Washington Seattle Washington USA
- Washington Department of Fish and Wildlife Olympia Washington USA
| | - Carli R. Dinsmore
- Department of Ecosystem Science and Management Pennsylvania State University University Park Pennsylvania USA
| | - Eric W. Teitsworth
- Department of Fisheries, Wildlife, and Conservation Biology North Carolina State University Raleigh North Carolina USA
| | - David A. W. Miller
- Department of Ecosystem Science and Management Pennsylvania State University University Park Pennsylvania USA
- Intercollege Graduate Ecology Program, Pennsylvania State University University Park Pennsylvania USA
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Adamski P. Catch Effectiveness Revealed by Site-Related Differences in Capture-Mark-Recapture Methods: A Butterfly Metapopulation Study. ENVIRONMENTAL ENTOMOLOGY 2022; 51:1234-1240. [PMID: 36254469 DOI: 10.1093/ee/nvac077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Indexed: 06/16/2023]
Abstract
Understanding metapopulation structures is very important in the context of ecological studies and conservation. Crucial in this respect are the abundances of both the whole metapopulation and its constituent subpopulations. In recent decades, capture-mark-recapture studies have been considered the most reliable means of calculating such abundances. In butterfly studies, individual insects are usually caught with an entomological net. But the effectiveness of this method can vary for a number of reasons: differences between fieldworkers, in time, between sites etc. This article analyses catch effectiveness data with respect to two subpopulations of the Apollo butterfly (Parnassius apollo) metapopulation in the Pieniny National Park (Polish Carpathians). The results show that this parameter varied significantly between sites, probably because of differences in microrelief and plant cover. In addition, a method is proposed that will include information on catch effectiveness for estimating the sizes of particular subpopulations and will help to elucidate the structure of the entire metapopulation.
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Affiliation(s)
- Paweł Adamski
- Institute of Nature Conservation Polish Academy of Sciences, al Mickiewicza 33, 31-120 Kraków, Poland
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Barrile GM, Chalfoun AD, Estes‐Zumpf WA, Walters AW. Wildfire influences individual growth and breeding dispersal, but not survival and recruitment in a montane amphibian. Ecosphere 2022. [DOI: 10.1002/ecs2.4212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Gabriel M. Barrile
- Wyoming Cooperative Fish and Wildlife Research Unit, Program in Ecology, Department of Zoology and Physiology University of Wyoming Laramie Wyoming USA
| | - Anna D. Chalfoun
- U.S. Geological Survey, Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and Physiology and Program in Ecology University of Wyoming Laramie Wyoming USA
| | | | - Annika W. Walters
- U.S. Geological Survey, Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and Physiology and Program in Ecology University of Wyoming Laramie Wyoming USA
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Araújo APDC, Rocha TL, E Silva DDM, Malafaia G. Micro(nano)plastics as an emerging risk factor to the health of amphibian: A scientometric and systematic review. CHEMOSPHERE 2021; 283:131090. [PMID: 34153909 DOI: 10.1016/j.chemosphere.2021.131090] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/24/2021] [Accepted: 06/02/2021] [Indexed: 06/13/2023]
Abstract
Although the toxicity of microplastics (MPs) and nanoplastics (NPs) is recognized at different trophic levels, our know-how about their effects on amphibians is limited. Thus, we present and discuss the current state on studies involving amphibians and plastic particles, based on a broad approach to studies published in the last 5 years. To search for the articles, the ISI Web of Science, ScienceDirect, and Scopus databases were consulted, using different descriptors related to the topic of study. After the systematic search, we identified 848 publications. Of these, 12 studies addressed the relationship "plastic particles and amphibians" (7 studies developed in the laboratory and 5 field studies). The scientometric analysis points to geographic concentration of studies in Brazil and China; low investment in research in the area, and limited participation of international authors in the studies carried out. In the systematic approach, we confirm the scarcity of available data on the toxicity of plastic particles in amphibians; we observed a concentration of studies in the Anura order, only one study explored the toxicological effects of NPs and polystyrene and polyethylene are the most studied plastic types. Moreover, the laboratory tested concentrations are distant from those of the environmentally relevant; and little is known about the mechanisms of action of NPs/MPs involved in the identified (eco)toxicological effects. Thus, we strongly recommend more investments in this area, given the ubiquitous nature of NPs/MPs in aquatic environments and their possible consequences on the dynamics, reproduction, and survival of species in the natural environment.
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Affiliation(s)
- Amanda Pereira da Costa Araújo
- Biological Research Laboratory, Goiano Federal Institute, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Environmental Sciences, Federal University of Goiás, Goiânia, GO, Brazil.
| | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Daniela de Melo E Silva
- Post-Graduation Program in Environmental Sciences, Federal University of Goiás, Goiânia, GO, Brazil; Laboratory of Environmental Mutagenesis, Federal University of Goiás, Goiânia, GO, Brazil
| | - Guilherme Malafaia
- Biological Research Laboratory, Goiano Federal Institute, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil
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Halstead BJ, Baumberger KL, Backlin AR, Kleeman PM, Wong MN, Gallegos EA, Rose JP, Fisher RN. Conservation Implications of Spatiotemporal Variation in the Terrestrial Ecology of Western Spadefoots. J Wildl Manage 2021. [DOI: 10.1002/jwmg.22095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Brian J. Halstead
- U.S. Geological Survey, Western Ecological Research Center Dixon Field Station 800 Business Park Drive, Suite D Dixon CA 95620 USA
| | - Katherine L. Baumberger
- U.S. Geological Survey, Western Ecological Research Center San Diego Field Station—Santa Ana Sub‐station 1801 East Chestnut Avenue Santa Ana CA 92701 USA
| | - Adam R. Backlin
- U.S. Geological Survey, Western Ecological Research Center San Diego Field Station—Santa Ana Sub‐station 1801 East Chestnut Avenue Santa Ana CA 92701 USA
| | - Patrick M. Kleeman
- U.S. Geological Survey, Western Ecological Research Center Dixon Field Station—Point Reyes Sub‐station 1 Bear Valley Road Point Reyes Station CA 94956 USA
| | - Monique N. Wong
- U.S. Geological Survey, Western Ecological Research Center San Diego Field Station—Santa Ana Sub‐station 1801 East Chestnut Avenue Santa Ana CA 92701 USA
| | - Elizabeth A. Gallegos
- U.S. Geological Survey, Western Ecological Research Center San Diego Field Station—Santa Ana Sub‐station 1801 East Chestnut Avenue Santa Ana CA 92701 USA
| | - Jonathan P. Rose
- U.S. Geological Survey, Western Ecological Research Center Santa Cruz Field Station 2885 Mission Street Santa Cruz CA 95060 USA
| | - Robert N. Fisher
- U.S. Geological Survey, Western Ecological Research Center San Diego Field Station 4165 Spruance Road, Suite 200 San Diego CA 92101 USA
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Rowe JC, Duarte A, Pearl CA, McCreary B, Haggerty PK, Jones JW, Adams MJ. Demography of the Oregon spotted frog along a hydrologically modified river. Ecosphere 2021. [DOI: 10.1002/ecs2.3634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Affiliation(s)
- Jennifer C. Rowe
- U.S. Geological Survey, Forest and Rangeland Ecosystem Science Center 3200 SW Jefferson Way Corvallis Oregon97331USA
| | - Adam Duarte
- USDA Forest Service, Pacific Northwest Research Station 3625 93rd Avenue SW Olympia Washington98512USA
- Department of Fisheries and Wildlife Oregon State University 104 Nash Hall Corvallis Oregon97331USA
| | - Christopher A. Pearl
- U.S. Geological Survey, Forest and Rangeland Ecosystem Science Center 3200 SW Jefferson Way Corvallis Oregon97331USA
| | - Brome McCreary
- U.S. Geological Survey, Forest and Rangeland Ecosystem Science Center 3200 SW Jefferson Way Corvallis Oregon97331USA
| | - Patricia K. Haggerty
- U.S. Geological Survey, Forest and Rangeland Ecosystem Science Center 3200 SW Jefferson Way Corvallis Oregon97331USA
| | - John W. Jones
- Hydrologic Remote Sensing Branch U.S. Geological Survey 11649 Leetown Road Kearneysville West Virginia25430USA
| | - Michael J. Adams
- U.S. Geological Survey, Forest and Rangeland Ecosystem Science Center 3200 SW Jefferson Way Corvallis Oregon97331USA
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Barrile GM, Walters A, Webster M, Chalfoun AD. Informed breeding dispersal following stochastic changes to patch quality in a pond-breeding amphibian. J Anim Ecol 2021; 90:1878-1890. [PMID: 33884620 DOI: 10.1111/1365-2656.13503] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 04/06/2021] [Indexed: 11/28/2022]
Abstract
The unidirectional movement of animals between breeding patches (i.e. breeding dispersal) has profound implications for the ecological and evolutionary dynamics of spatially structured populations. In spatiotemporally variable environments, individuals are expected to adjust their dispersal decisions according to information gathered on the environmental and/or social cues that reflect the fitness prospects in a given breeding patch (i.e. informed dispersal). A paucity of empirical work limited our understanding of the ability of animals to depart from low-quality breeding patches and settle in high-quality breeding patches. We examined the capacity of individuals to respond to stochastic changes in habitat quality via informed breeding dispersal in a pond-breeding amphibian. We conducted a 5-year (2015-2019) capture-recapture study of boreal toads Anaxyrus boreas boreas (n = 1,100) that breed in beaver ponds in western Wyoming, USA. During early spring of 2017, an extreme flooding event destroyed several beaver dams and resulted in the loss of breeding habitat. We used multi-state models to investigate how temporal changes in pond characteristics influenced breeding dispersal, and determine whether movement decisions were in accordance with prospects for reproductive fitness. Boreal toads more often departed from low-quality breeding ponds (without successful metamorphosis) and settled in high-quality breeding ponds (with successful metamorphosis). Movement decisions were context-dependent and associated with pond characteristics altered by beaver dam destruction. Individuals were more likely to depart from shallow ponds with high vegetation cover and settle in deep ponds with low vegetation cover. The probability of metamorphosis was related to the same environmental cues, suggesting that boreal toads assess the fitness prospects of a breeding patch and adjust movement decisions accordingly (i.e. informed breeding dispersal). We demonstrated that stochastic variability in environmental conditions and habitat quality can underpin dispersal behaviour in amphibians. Our study highlighted the mechanistic linkages between habitat change, movement behaviour and prospects for reproductive performance, which is critical for understanding how wild animals respond to rapid environmental change.
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Affiliation(s)
- Gabriel M Barrile
- Wyoming Cooperative Fish and Wildlife Research Unit, Program in Ecology, Department of Zoology and Physiology, University of Wyoming, Laramie, WY, USA
| | - Annika Walters
- U.S. Geological Survey, Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and Physiology and Program in Ecology, University of Wyoming, Laramie, WY, USA
| | - Matthew Webster
- Wyoming Cooperative Fish and Wildlife Research Unit, University of Wyoming, Laramie, WY, USA
| | - Anna D Chalfoun
- U.S. Geological Survey, Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and Physiology and Program in Ecology, University of Wyoming, Laramie, WY, USA
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Cayuela H, Valenzuela-Sánchez A, Teulier L, Martínez-Solano Í, Léna JP, Merilä J, Muths E, Shine R, Quay L, Denoël M, Clobert J, Schmidt BR. Determinants and Consequences of Dispersal in Vertebrates with Complex Life Cycles: A Review of Pond-Breeding Amphibians. QUARTERLY REVIEW OF BIOLOGY 2020. [DOI: 10.1086/707862] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Joly P. Behavior in a Changing Landscape: Using Movement Ecology to Inform the Conservation of Pond-Breeding Amphibians. Front Ecol Evol 2019. [DOI: 10.3389/fevo.2019.00155] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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