Knowledge Resource Center for Ecological Environment in Arid Area
| 报告编号 | PB2003101824 |
| Endangered Species: Research Strategy and Long-Term Monitoring Needed for the Mojave Desert Tortoise Recovery Program. | |
| [unavailable] | |
| 英文摘要 | In this report, we (1) evaluate the scientific basis for the 1990 listing, the critical habitat designation, and the recovery plan recommendations for the desert tortoise; (2) assess the effectiveness of actions taken by federal agencies and others to conserve desert tortoises; (3) describe what is known about trends in tortoise populations; and (4) identify costs and benefits associated with desert tortoise recovery actions since the desert tortoise was first listed in 1980, to the extent that data were available. |
| 英文关键词 | Turtles Endangered species Monitoring Deserts Populations Trends Habitats Recovery Natural resources conservation Reptiles Ecology Land use Research Arizona California Nevada Utah Tortoises Mojave Desert |
| 出版年 | 2002 |
| 语种 | 英语 |
| 国家 | United States |
| URL | http://r.cnki.net/KCMS/detail/detail.aspx?DbCode=KJBG&dbname=KJBGW&filename=5a002ce931c97d1c3896b65c |
| 来源机构 | General Accounting Office |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/273026 |
| 推荐引用方式 GB/T 7714 | [unavailable]. Endangered Species: Research Strategy and Long-Term Monitoring Needed for the Mojave Desert Tortoise Recovery Program.,2002. |
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