Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/10123264 |
| 报告编号 | EGG--11265-1113 |
| 来源ID | OSTI_ID: 10123264 |
| Nevada Test Site tortoise population monitoring study. Final report | |
| Mueller, J.M.; Zander, K.K. | |
| 英文摘要 | A Tortoise Population Monitoring Study was initiated to determine and monitor the density of desert tortoises (Gopherus agassizii) on the Nevada Test Site. Quadrat sampling was conducted following methodology described in the Draft Desert Tortoise Recovery Plan (FWS, 1993). So few tortoises were found that densities could not be calculated. Based on estimates of capture probabilities and densities from other studies, it was determined that 1-km{sup 2} (0.4 mi{sup 2}) plots did not contain enough tortoises for estimating densities with the Recovery Plan methods. It was recommended that additional surveys on the Nevada Test Site using those methods not be conducted. Any future efforts to monitor desert tortoise densities should start by identifying other possible methods, determining their relative power to detect changes, and estimating their cost. |
| 出版年 | 1994 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE ; NEVADA TEST SITE ; LAND USE ; TURTLES ; POPULATION DYNAMICS ; PROGRESS REPORT ; POPULATION DENSITY ; ENDANGERED SPECIES 450200 ; NUCLEAR EXPLOSIONS AND EXPLOSIVES |
| URL | http://www.osti.gov/scitech/servlets/purl/10123264 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/265911 |
| 推荐引用方式 GB/T 7714 | Mueller, J.M.,Zander, K.K.. Nevada Test Site tortoise population monitoring study. Final report,1994. |
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