Network analysis suggests changes in food web stability produced by bottom trawl fishery in Patagonia.

ABSTRACT: Demersal fisheries are one of the top anthropic stressors in marine environments. In the long term, some species are more vulnerable to fishery impacts than others, which can lead to permanent changes on the food web. The trophic relationships between predator and prey constitute the food web and it represents a network of the energy channels in an ecosystem. In turn, the network structure influences ecosystem diversity and stability. The first aim of this study was to describe for the first time the food web of the San Jorge Gulf (Patagonia Argentina) with high resolution, i.e. to the species level when information is available. The San Jorge Gulf was subject to intense fisheries thus our second aim is to analyse the food web structure with and without fishery to evaluate if the bottom-tr

SUBMITTER: Funes M 

PROVIDER: S-EPMC9237026 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature