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Predicting the variation in detection function in line transect sampling through random parameter model

delete1999-01-01
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K.A. Mercey *
K
K. Jayaraman
DOI:10.1023/A:1009639702036delete
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摘要

摘要

En 中文
A method for calibrating (localizing) detection function models in line transect sampling is proposed. The method is based on a random parameter model which supplies localized predictions of detection function parameters utilizing a few sample data points from the concerned location(s). The method has the clear advantage of being able to provide density estimates based on very few observations from a location which would be impossible through traditional methods. The method is successfully illustrated using census data on sambar (Cervus unicolor) from a set of wildlife sanctuaries in Kerala, India. The need for further research in this direction is indicated.
Keyword:
animal abundance
calibration of detection function
line transect sampling
negative exponential model
wildlife census
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Environmental and Ecological Statistics 封面图
Environmental and Ecological Statistics
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被引数:
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