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Simulation of a Model of Sawgrass Marsh with Peat, Fire, Water and Phosphorus.
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- Date Issued:
- 1971-08
- Abstract:
- Some of the principal controlling factors affecting the Everglades marsh system were combined in a simple model including growth of grass, water levels, rain, transpiration, peat deposition, fire and phosphorus and controlled inflow of water containing nutrients. Using data from published sources, coefficients were estimated and the model was simulated for several water regimes, for varying concentrations of nutrient in the patterns reported from the Everglades, with some regimes producing regular repeating patterns and frequent small fires, whereas other regimes produced erratic and widely fluctuating patterns of vegetations, flood and fire. High phosphorus increased water loss by affecting plant transpiration: Oscillations of vegetation and fire caused nutrient oscillations. Inflow of low nutrient water decreased nutrient levels by binding nutrients in plant masses. Continuous high water levels developed large accumulations of vegetation and peat, binding the nutrients making larger fires when water levels were lowered.
Title: | Simulation of a Model of Sawgrass Marsh with Peat, Fire, Water and Phosphorus. |
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Name(s): | University of Florida. Department of Environmental Engineering Sciences. | |
Type of Resource: | text | |
Genre: | Technical Report | |
Issuance: | monographic | |
Date Issued: | 1971-08 | |
Publisher: | United States. Department of Commerce. National Technical Information Service | |
Physical Form: | electronic resource | |
Extent: | 40 pages | |
Language(s): | English | |
Abstract: | Some of the principal controlling factors affecting the Everglades marsh system were combined in a simple model including growth of grass, water levels, rain, transpiration, peat deposition, fire and phosphorus and controlled inflow of water containing nutrients. Using data from published sources, coefficients were estimated and the model was simulated for several water regimes, for varying concentrations of nutrient in the patterns reported from the Everglades, with some regimes producing regular repeating patterns and frequent small fires, whereas other regimes produced erratic and widely fluctuating patterns of vegetations, flood and fire. High phosphorus increased water loss by affecting plant transpiration: Oscillations of vegetation and fire caused nutrient oscillations. Inflow of low nutrient water decreased nutrient levels by binding nutrients in plant masses. Continuous high water levels developed large accumulations of vegetation and peat, binding the nutrients making larger fires when water levels were lowered. | |
Identifier: | FI07053169 (IID), 1048501 (digitool), fiu:25893 (fedora), AAC5279QF | |
Note(s): | Electronic reproduction. [Florida] : State University System of Florida, PALMM Project, 2007. Mode of access: World Wide Web. Electronic version created 2007, State University System of Florida. | |
Subject(s): |
Marshes Everglades (Fla.) |
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Persistent Link to This Record: | http://purl.flvc.org/fcla/tc/feol/FI07053169.pdf | |
Persistent Link to This Record: | http://purl.flvc.org/fcla/tc/feol/FI07053169.jpg | |
Use and Reproduction: | http://rightsstatements.org/vocab/NoC-US/1.0/ | |
Host Institution: | FIU |