Nested taxa-area curves for eastern United States floras
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Abstract
The slopes of log-log species-area curves have been studied extensively and found to be influenced by the range of areas under study. Two such studies of eastern United States floras have yielded species-area curve slopes which differ by more than 100%: 0.251 and 0.113. The first slope may be too steep because the flora of the world was included, and both may be too steep because noncontiguous areas were used. These two hypotheses were tested using a set of nested floras centered in Ohio and continuing up to the flora of the world. The results suggest that this set of eastern United States floras produces a log-log species-area curve with a slope of approximately 0.20 with the flora of the world excluded, and regardless of whether or not the floras are from nested areas. Genera- and family-area curves are less steep than species-area curves and show similar patterns. Taxa ratio curves also increase with area, with the species/family ratio showing the steepest slope.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Nested taxa-area curves for eastern United States floras |
| Series title | Rhodora |
| Volume | 99 |
| Issue | 899 |
| Year Published | 1997 |
| Language | English |
| Contributing office(s) | National Wildlife Health Center |
| Description | p. 241-251 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Rhodora |
| First page | 241 |
| Last page | 251 |
| Country | United States |
| State | Ohio |
| Other Geospatial | Hopewell Culture National Historic Park |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |