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Detrital ontogenic model including decomposer diversity

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  • Roy, Madhumita
  • Mandal, Sudipto
  • Ray, Santanu

Abstract

Detritus influences the structure and dynamics of the living species. The quality of detritus tied by the degree of colonization such that it may be more useful in some cases to consider them as grouped entities as higher consumers in detrital branch may not distinguish between the consumption of detritus and micro-organisms that fed on it. Detritus and producer-based food models both suggest that energy supply limits the length of food chains. However, in detrital food chain the amount of dead organic matter is needed to support micro-detritivores (bacteria and fungi) is lower on average than would be required to support physiological and morphologically comparable herbivores in grazing food chain. Many questions concerning detritus and diversity are only recently beginning addressed. These include: (1) what are the factors that determine species richness in detrital communities? (2) How does diversity of detritivores affects key rates and fate of detritus processing and ultimately feed back to producer productivity and ecosystem diversity? (3) How does species diversity of organisms associated with detritus differ at different stages of its ontogeny?

Suggested Citation

  • Roy, Madhumita & Mandal, Sudipto & Ray, Santanu, 2008. "Detrital ontogenic model including decomposer diversity," Ecological Modelling, Elsevier, vol. 215(1), pages 200-206.
    • Handle: RePEc:eee:ecomod:v:215:y:2008:i:1:p:200-206
    DOI: 10.1016/j.ecolmodel.2008.02.020
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    Cited by:

    1. Mukherjee, Joyita & Ray, Santanu & Ghosh, Phani Bhusan, 2013. "A system dynamic modeling of carbon cycle from mangrove litter to the adjacent Hooghly estuary, India," Ecological Modelling, Elsevier, vol. 252(C), pages 185-195.
    2. Mandal, Sudipto & Ray, Santanu & Ghosh, Phani Bhusan, 2009. "Modelling of the contribution of dissolved inorganic nitrogen (DIN) from litterfall of adjacent mangrove forest to Hooghly–Matla estuary, India," Ecological Modelling, Elsevier, vol. 220(21), pages 2988-3000.
    3. Mandal, Sudipto & Ray, Santanu & Ghosh, Phani Bhusan, 2013. "Impact of mangrove litterfall on nitrogen dynamics of virgin and reclaimed islands of Sundarban mangrove ecosystem, India," Ecological Modelling, Elsevier, vol. 252(C), pages 153-166.

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