2022 Early Hearing Detection & Intervention Virtual Conference

March 13 - 15, 2022

5/24/2018 | 2:15 PM - 2:30 PM | MUTUALISM IN FRESHWATERS: CURRENT KNOWLEDGE AND FUTURE RESEARCH DIRECTIONS | 420 B

MUTUALISM IN FRESHWATERS: CURRENT KNOWLEDGE AND FUTURE RESEARCH DIRECTIONS

Positive interspecific interactions (mutualism, commensalism, and facilitation) are ubiquitous in nature, but understudied in freshwater ecosystems. This review assesses the state-of-the-knowledge of positive interactions in freshwaters, and provides direction for future research. A few mutualistic relationships have received some research attention, namely seed-dispersing fishes, crayfishes and their branchiobdellidan symbionts, and communal-spawning stream fishes. Facilitative effects of a few habitat-modifying species have also been identified, as well as positive indirect trophic interactions. However, less is known about interactions in which participants directly exchange nutrients or protection. Most studies in freshwaters have been conducted using observations or experiments at small spatial scales. However, a cross-scale approach is necessary for a full understanding of how positive interactions operate. Likewise, research must seek to understand context dependency in positive interactions—how biotic (e.g. species or traits) and abiotic factors determine outcomes of positive interactions. Lastly, research on positive interactions must progress from a perspective of pairwise interactions, to a broader community context. A firm understanding of positive interactions will yield better predictions for managing freshwater ecosystems.

Population
Climate Change
Area of Concern

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Presenters/Authors

Sam Silknetter (), Clemson University, samsilknetter@gmail.com;