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DOI10.1016/j.biocon.2019.05.026
Managing the trifecta of disease, climate, and contaminants: Searching for robust choices under multiple sources of uncertainty
Smalling, Kelly L.1; Eagles-Smith, Collin A.2; Katz, Rachel A.3; Grant, Evan H. Campbell4
发表日期2019
ISSN0006-3207
EISSN1873-2917
卷号236页码:153-161
英文摘要

Wood frogs, like other amphibian species worldwide, are experiencing population declines due to multiple stressors. In the northeastern United States, wood frog declines are thought to result from a reduction in successful metamorphosis in part due to climate change, disease (specifically ranavirus), and contaminant exposure. The presence of multiple stressors can increase uncertainty in characterizing the main effects of each stressor, as well as understanding the degree to which their effects interact (additively or synergistically) to impact populations. This uncertainty adds inherent challenges to selecting appropriate management actions for conserving populations. Finding solutions that are robust to these uncertainties can improve management amid absent or equivocal knowledge. We used a Bayesian Belief Network (BBN), a quantitative tool that allowed us to evaluate how potential management actions might mitigate the effects of increasingly frequent and severe droughts, ranavirus exposure, and methylmercury on wood frog populations in the northeastern U.S. In our system, successful wood frog recruitment was largely driven by hydroperiod regardless of other stressors. Our modelling indicated that increased hydroperiod lowered the probability of complete metamorphosis failure from 0.6 to 0.37, suggesting that under the conditions tested in the model, pond hydrology is more important for successful recruitment than either methylmercury or ranavirus exposure. As more information becomes available on stressor interactions, model scenarios could be re-evaluated, and management options reconsidered.


WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
来源期刊BIOLOGICAL CONSERVATION
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/101229
作者单位1.US Geol Survey, New Jersey Water Sci Ctr, 3450 Princeton Pike,Suite 110, Lawrenceville, NJ 08648 USA;
2.US Geol Survey, Forest & Rangeland Ecosyst Sci Ctr, 3200 SW Jefferson Way, Corvallis, OR 97331 USA;
3.US Fish & Wildlife Serv, Natl Wildlife Refuge Syst, Hadley, MA 01035 USA;
4.US Geol Survey, Patuxent Wildlife Res Ctr, 1 Migratory Way, Turners Falls, MA 01376 USA
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Smalling, Kelly L.,Eagles-Smith, Collin A.,Katz, Rachel A.,et al. Managing the trifecta of disease, climate, and contaminants: Searching for robust choices under multiple sources of uncertainty[J],2019,236:153-161.
APA Smalling, Kelly L.,Eagles-Smith, Collin A.,Katz, Rachel A.,&Grant, Evan H. Campbell.(2019).Managing the trifecta of disease, climate, and contaminants: Searching for robust choices under multiple sources of uncertainty.BIOLOGICAL CONSERVATION,236,153-161.
MLA Smalling, Kelly L.,et al."Managing the trifecta of disease, climate, and contaminants: Searching for robust choices under multiple sources of uncertainty".BIOLOGICAL CONSERVATION 236(2019):153-161.
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