Spatial bioaccumulation modeling in a network of bayous

Ronaldo Luna, Karen Watanabe-Sailor, Andrew J. Wilding

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A software system, Spatial Network Bioaccumulation Model (SNBM), was developed to model the bioaccumulation of polycyclic aromatic hydrocarbons (PAHs) in aquatic food webs. The SNBM uses a geographic information system as an engine to: (i) store the spatial representation of input parameters (the data related to the ecosystem), (ii) transfer input and output data to and from the food-web bioaccumulation model, and (iii) display the predicted food-web organism concentrations over a base map of the field site. The bioaccumulation model is a time-dependent, set of first-order ordinary differential equations that are solved numerically. Many sampling locations can be analyzed using the SNBM in one individual run. We demonstrate the system for a steady-state simulation of three PAHs, naphthalene, phenanthrene and benzanthracene in a food web for spotted gar (Lepisosteus oculatus) from the LaBranche Wetlands, Louisiana, USA. The predicted food-web organism concentrations are plotted at their respective sampling location.

Original languageEnglish (US)
Pages (from-to)1674-1683
Number of pages10
JournalEnvironmental Modelling and Software
Volume21
Issue number12
DOIs
StatePublished - Dec 2006
Externally publishedYes

Fingerprint

Bioaccumulation
bioaccumulation
food web
modeling
Polycyclic aromatic hydrocarbons
PAH
Sampling
sampling
Wetlands
Naphthalene
phenanthrene
naphthalene
Ordinary differential equations
Ecosystems
Geographic information systems
engine
wetland
Engines
software
ecosystem

Keywords

  • Bioaccumulation model
  • Food-web
  • Geographic information system
  • GIS
  • PAH

ASJC Scopus subject areas

  • Ecological Modeling
  • Environmental Science(all)

Cite this

Spatial bioaccumulation modeling in a network of bayous. / Luna, Ronaldo; Watanabe-Sailor, Karen; Wilding, Andrew J.

In: Environmental Modelling and Software, Vol. 21, No. 12, 12.2006, p. 1674-1683.

Research output: Contribution to journalArticle

Luna, Ronaldo ; Watanabe-Sailor, Karen ; Wilding, Andrew J. / Spatial bioaccumulation modeling in a network of bayous. In: Environmental Modelling and Software. 2006 ; Vol. 21, No. 12. pp. 1674-1683.
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