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Storms promote ecosystem resilience by alleviating fishing
Delbert L Smee1, Joseph W Reustle2, Benjamin A Belgrad3
1Dauphin Island Sea Lab, Dauphin Island, AL 36528, USA; Department of Marine Sciences, University of South Alabama, Mobile, AL 36688, USA.
Current Biology : CB
|August 5, 2020
Summary
Marine ecosystems face threats from storms and fishing. Tropical cyclones disrupting fishing may paradoxically aid recovery by reducing human impact on coastal fish populations.
Area of Science:
- Marine Biology
- Ecology
- Environmental Science
Background:
- Marine ecosystems are vulnerable to natural and human-caused disturbances like storms and fishing.
- Understanding the combined impacts of these stressors on coastal communities is crucial for conservation.
- Disruptions to fishing, such as those following natural disasters, can influence marine populations.
Discussion:
- This study investigated estuarine community responses to fishing disruptions and salinity changes after a tropical cyclone.
- Recreational fishing significantly impacted fish populations, with cascading effects throughout the food web.
- Natural disasters that halt human activities, like fishing, may offer a window for ecosystem recovery.
Key Insights:
- Recreational fishing exerts substantial influence on estuarine fish populations and food web dynamics.
- Simultaneous natural disturbances and fishing cessation can lead to population recovery for harvested species.
- Estuarine ecosystems exhibit complex responses to interacting environmental and anthropogenic stressors.
Outlook:
- Further research is needed to understand long-term recovery trajectories and resilience of marine ecosystems under multiple stressors.
- Developing adaptive management strategies for coastal resources is essential to mitigate impacts of climate change and human activities.
- Investigating the role of fishing pressure in conjunction with natural disturbances can inform effective conservation planning.
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