Commercial fish species of inland waters: A model for sustainability assessment and management

The permanent increase in the exploitation of commercial fish species has led to the need for developing practical and effective tools for the sustainability assessment and management of the target fish populations. The aim of this study was to formulate an ESHIPPOfishing model which would provide a...

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Veröffentlicht in:The Science of the total environment 2014-11, Vol.497-498, p.642-650
Hauptverfasser: Simić, Vladica M., Simić, Snežana B., Stojković Piperac, Milica, Petrović, Ana, Milošević, Djuradj
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container_end_page 650
container_issue
container_start_page 642
container_title The Science of the total environment
container_volume 497-498
creator Simić, Vladica M.
Simić, Snežana B.
Stojković Piperac, Milica
Petrović, Ana
Milošević, Djuradj
description The permanent increase in the exploitation of commercial fish species has led to the need for developing practical and effective tools for the sustainability assessment and management of the target fish populations. The aim of this study was to formulate an ESHIPPOfishing model which would provide a reliable assessment of commercial fish population sustainability and indicate the conservation priorities. The existing ESHIPPO model was modified by introducing a new Index of local sustainability of fish populations (ILSFP) which enables the selection of “keystone populations” and “keystone habitats/ecosystems” within the basin being investigated. We employed a self-organizing map (SOM) in order to visualize the spatial distribution of the keystone populations and keystone habitats/ecosystems for each fish species. Based on the ILSFP values, environmental specialization (ES) of a fish species and local environmental factors (HIPPO factors), the model estimates the degree of sustainability (DS) of commercial fish populations in the freshwater ecosystems of the western Balkan Peninsula. The results indicate a low degree of sustainability for the majority of commercial fish species of the Middle Danube Basin, especially Acipenser ruthenus and Hucho hucho. The ESHIPPOfishing model presents a cost effective conservation approach, formulated to be applicable to any kind of river basin. The application of the ESHIPPOfishing model provides a comprehensive insight into the viability of target fish populations, which would not only further improve the selection of conservation priorities, but also facilitate the management of aquatic ecosystems. •We proposed ESHIPPOfishing model for commercial fish species conservation.•The model estimates the degree of sustainability of commercial fish populations.•The results indicate the lowest degree of sustainability for sterlet and huchen.•The ESHIPPOfishing model is formulated to be applicable to any kind of river basin.
doi_str_mv 10.1016/j.scitotenv.2014.07.092
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source MEDLINE; Access via ScienceDirect (Elsevier)
subjects Animals
Conservation of Natural Resources - methods
Danube Basin
Ecosystem
Fisheries - methods
Fisheries - statistics & numerical data
Fishes
Keystone habitat/ecosystem
Keystone population
Models, Theoretical
Population Dynamics
Population sustainability
Rivers
Self-organizing map
title Commercial fish species of inland waters: A model for sustainability assessment and management
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