Mapping an ecosystem service: A quantitative approach to derive fish feeding ground maps

• Autorzy: Siaulys A. , Daunys D. , Bucas M. , Bacevicius E.
• Języki publikacji: EN

Abstrakty

EN

This study presents a quantitative approach to mapping benthophagous fish feeding grounds. This approach combines the spatial biomass distribution of benthic prey items and their importance for the diets of predators. A point based biomass data of macrozoobenthos together with a set of environmental factors was used to develop Random Forests models that produce continuous biomass distribution layers for individual prey species. Depending on the diet composition and the importance of prey for fish feeding, these layers are overlaid and an integrated GIS map of the seabed showing the quality of feeding grounds is generated. These maps provide a useful basis for conservation and marine spatial planning. In addition, this method could be applied to the mapping of resources used by other benthophagous organisms. The method is presented using the example of three common Baltic fish species: cod, flounder and viviparous eelpout.

Słowa kluczowe

EN

seabed quality; macrozoobenthos; mapping; ecosystem service; quantitative approach; fish feed; biomass distribution; diet composition; aquatic ecosystem; Baltic Sea

• Wydawca: -
• Czasopismo: Oceanologia
• Rocznik: 2012
• Tom: 54
• Numer: 3
• Opis fizyczny: p.491-505,fig.,ref.

Twórcy

autor

Siaulys A.

• Coastal Research and Planning Institute, Klaipeda University, Herkaus Manto 84, Klaipeda 92294, Lithuania

autor

Daunys D.

autor

Bucas M.

autor

Bacevicius E.