2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
5/24/2018 | 2:15 PM - 2:30 PM | BEYOND “DONORS AND RECIPIENTS”: IMPACTS OF SPECIES GAINS AND LOSSES REVERBERATE AMONG ECOSYSTEMS DUE TO CHANGES IN RESOURCE SUBSIDIES | 310 B
BEYOND “DONORS AND RECIPIENTS”: IMPACTS OF SPECIES GAINS AND LOSSES REVERBERATE AMONG ECOSYSTEMS DUE TO CHANGES IN RESOURCE SUBSIDIES
Pervasive environmental degradation has altered biodiversity at a global scale. At smaller scales, species extirpations, invasions, and replacements have greatly influenced how ecosystems interact by affecting the exchanges of energy, materials, and organisms. We examined how species losses and gains affect the exchange of resources (materials and/or organisms) within and among ecosystems. We specifically consider how changes that occur within an ecosystem may trigger effects that reverberate (e.g., directly, indirectly, via feedbacks) back and forth across ecological boundaries and propagate to multiple habitats or ecosystems connected via exchange of materials and organisms. Our synthesis provides a cursory overview of ‘openness’ as it has been addressed by community ecologists and then we briefly characterize the conceptual development ecological frameworks used to examine resource exchanges between ecosystems. We then describe multiple case-studies and examine how species losses and gains affect food web structure via resource exchanges between ecosystems, with particular emphasis on effects spanning land-water boundaries.
- Biodiversity
- Subsidy
- Invasive
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Presenters/Authors
Scott Collins
(), Texas Tech University, Scott.Collins@ttu.edu;
ASHA DISCLOSURE:
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Colden Baxter
(), Idaho State University, baxtcold@isu.edu;
ASHA DISCLOSURE:
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Nonfinancial -