Simulation of forest changes related to hydrologic variables in the Atchafalaya River basin, Louisiana
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Abstract
Results of forest-trend modeling from one data set in the Atchafalaya River basin show that predicted forest acreage totals for 16 forest types agree within 30 percent of actual values in two-thirds of the comparisons. A forest-trend simulation model based on statistical regression relations of forest and hydrologic variables and constrained by forest succession concepts was developed using observed data from twenty-four 8-square-mile (20.74-square-kilometre) quadrats. Forest and hydrologic data at each quadrat were sampled in time at three 4-mile (6.44-kilometre)-wide strips across the basin. The model predicts changes in forest-type acreages due to hydrologic change in time steps, or forest acreage transition, of 21 years. Further basin-wide quadrat simulations are planned using hydrologic input data from a flow-sediment model of the basin currently being developed. Other ecosystem models could be appended to the forest-trend simulation model.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Simulation of forest changes related to hydrologic variables in the Atchafalaya River basin, Louisiana |
| Series title | Journal of Research of the U.S. Geological Survey |
| Volume | 4 |
| Issue | 4 |
| Year Published | 1976 |
| Language | English |
| Publisher | U. S. Geological Survey |
| Description | 9 p. |
| First page | 481 |
| Last page | 489 |
| Country | United States |
| State | Louisiana |
| Other Geospatial | Atchafalaya River basin |
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