Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/10159310 |
| 报告编号 | ANL/ER/PP--74540 |
| 来源ID | OSTI_ID: 10159310 |
| Landscape habitat diversity: An information theoretic measure | |
| Loehle, C. [Argonne National Lab., IL (United States)]; Wein, G. [Memphis State Univ., TN (United States). Dept. of Biology] | |
| 英文摘要 | Biotic diversity is a topic of increasing concern, but current tools for quantifying diversity at the landscape level are inadequate. A new index is proposed. Beginning with a classified raster image of a landscape, each habitat type is assigned a value based on an ordination axis distance. The change in value from one patch to the next depends on how similar the two patches are. An information measure d{sub I} is used to evaluate deviation from uniformity of the ordination values at different scales. Different areas can be compared if habitat values are based on the same ordination scale. This new method provides a powerful tool for both displaying and calculating landscape habitat diversity. |
| 出版年 | 1994 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 54 ENVIRONMENTAL SCIENCES ; HABITAT ; MATHEMATICAL MODELS ; MAN ; ENVIRONMENTAL IMPACTS ; NATURE RESERVES ; MANAGEMENT ; SPECIES DIVERSITY 540210 ; BASIC STUDIES |
| URL | http://www.osti.gov/scitech/servlets/purl/10159310 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/265653 |
| 推荐引用方式 GB/T 7714 | Loehle, C. [Argonne National Lab., IL ,Wein, G. [Memphis State Univ., TN . Landscape habitat diversity: An information theoretic measure,1994. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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