Production model for Myriophyllum spicatum L
The mathematical model WEED was derived to study the productivity of the submerged macrophyte Myriophyllum spicatum in the littoral of Lake Wingra, Madison, Wisconsin. The model coordinates four biomass compartments with selected physiological processes evaluated for a stratified meter-squared water column. Light and temperature are the primary environmental forcing functions. The model considers growth form (depth distribution of biomass), total biomass/meter-squared, the depth profile of photosynthesis and macrophyte contributions to dissolved and particulate organic matter pools in the water column. The model output was tested against field data for seasonal patterns of standing crop, depth distribution of biomass and depth profile of photosynthesis for a rooting depth of 150 cm. WEED has permitted the simulation of macrophyte growth response to changes in environmental conditions and has outlined areas of needed research.
- Research Organization:
- Univ. of Wisconsin, Madison
- OSTI ID:
- 7286254
- Journal Information:
- Ecology; (United States), Journal Name: Ecology; (United States) Vol. 56:5; ISSN ECOLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Aquatic-- Basic Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
AQUATIC ECOSYSTEMS
BIOMASS
CHEMICAL REACTIONS
ECOSYSTEMS
ENERGY SOURCES
GROWTH
MATHEMATICAL MODELS
PHOTOCHEMICAL REACTIONS
PHOTOSYNTHESIS
POPULATION DENSITY
POPULATION DYNAMICS
PRODUCTIVITY
RENEWABLE ENERGY SOURCES
SYNTHESIS