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An ecosystem model of San Pedro Bay, Leyte, Philippines: initial parameter estimates

Author

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  • Campos, W.L.

Abstract

A mass-balance model of the trophic structure of San Pedro Bay, Leyte Province, Philippines was constructed using the Ecopath modeling software. The model is composed of 16 ecological groups (13 consumer, 2 producers, 1 detritus groups). The input parameters were obtained from the resource assessments studies conducted in 1994 - 95 and the biomass of Leiognathidae, an important group of small demersal fishes was estimated from trawl survey data using the swept- area method. The model indicated that the average trophic level of the fishery catches is 3.25.

Suggested Citation

  • Campos, W.L., 2003. "An ecosystem model of San Pedro Bay, Leyte, Philippines: initial parameter estimates," Monographs, The WorldFish Center, number 37743, April.
    • Handle: RePEc:wfi:wfbook:37743
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    File URL: http://hdl.handle.net/20.500.12348/2139
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    Cited by:

    1. Ullah, Md. Hadayet & Rashed-Un-Nabi, Md. & Al-Mamun, Md. Abdulla, 2012. "Trophic model of the coastal ecosystem of the Bay of Bengal using mass balance Ecopath model," Ecological Modelling, Elsevier, vol. 225(C), pages 82-94.

    More about this item

    Keywords

    Fishery resources; Demersal fisheries; Fishery surveys; Biomass; Population density; Shrimp fisheries; Catch/effort; Trawling; Mathematical models; Coastal fisheries; Marine fisheries; Ecosystems; Trophic structure; ISEW; Philippines; Leyte I.; Leyte; Jaro;
    All these keywords.

    JEL classification:

    • Q00 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General - - - General

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