期刊
BIOMETRICS
卷 63, 期 4, 页码 989-998出版社
WILEY
DOI: 10.1111/j.1541-0420.2007.00798.x
关键词
biodiversity monitoring; distance sampling; line transect sampling; mark-recapture; sampling immotile objects
Interest in surveys for monitoring plant abundance is increasing, due in part to the need to quantify the rate of loss of biodiversity. Line transect sampling offers an efficient way to monitor many species. However, the method does not work well in some circumstances, for example on small survey plots, when the plant species has a strongly aggregated distribution, or when plants that are on the line are not easily detected. We develop a crossed design, together with methods that exploit the additional information from
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