EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021
(Virtually the same conference, without elevators, airplane tickets, or hotel room keys)
5/27/2021 | 2:00 PM - 3:30 PM | Does a changing climate alter the impacts of introduced predators in Sierra lakes? | Virtual Platform
Does a changing climate alter the impacts of introduced predators in Sierra lakes?
Alpine lakes are sensitive and unique ecosystems, highly vulnerable to the impacts of interacting human-driven stressors like climate change and species introductions. In lakes across the Sierra Nevada, introduced predatory trout have been shown to greatly reduce emerging insect abundance. However, the role of changing climate and precipitation regimes – and the interactions between climate and trout presence – are not well understood. Since summer 2019, we have been surveying emerging insects from fish and fishless lakes across a climate gradient in order to elucidate the effects of these interacting drivers and their cascading impacts on alpine lake ecosystems. A warming climate seems to dampen the effects of trout presence, although more data is needed to confirm this result and further trace its effects on novel algal blooms and water quality.
- Food webs
- Climate change
- Ecosystem functioning
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Presenters/Authors
Caroline Owens
(), UCSB, owens@ucsb.edu;
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