Food web models for stream ecosystems

Omar I. Abdul-Aziz, Bruce N. Wilson, John S. Gulliver

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

Ecohydrological modeling of food webs can be a useful tool in stream/river health assessment, restoration, and management by providing insight into the long-term dynamics of biota. Conventional food web models are mostly limited to lake or marine ecosystems. In contrast to these models, stream ecosystem models need to capture the response associated with shorter residence times as well as the impacts of natural (hydrology, geomorphology, etc.) and anthropogenic (building dams and reservoirs, industrial pollution, etc.) drivers. Further, the benthic and non-benthic zones of streams/rivers have different physical, chemical and biological compositions. To investigate hydrologic drivers, along with other environmental and geomorphologic constraints, dimensional and non-dimensional food web models have been developed to evaluate ecosystem dynamics of the benthic and non-benthic zones of streams and rivers. Insights gained from these applications can be used to critique different food web modeling approaches and recommend an appropriate model for a given stream ecosystem.

Original languageEnglish (US)
Title of host publicationWorld Environmental and Water Resources Congress 2008
Subtitle of host publicationAhupua'a - Proceedings of the World Environmental and Water Resources Congress 2008
DOIs
StatePublished - Dec 1 2008
EventWorld Environmental and Water Resources Congress 2008: Ahupua'a - Honolulu, HI, United States
Duration: May 12 2008May 16 2008

Publication series

NameWorld Environmental and Water Resources Congress 2008: Ahupua'a - Proceedings of the World Environmental and Water Resources Congress 2008
Volume316

Other

OtherWorld Environmental and Water Resources Congress 2008: Ahupua'a
CountryUnited States
CityHonolulu, HI
Period5/12/085/16/08

Keywords

  • Ecology
  • Rivers
  • Streams

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