NWIPB OpenIR
METHODS FOR LARGE SCALE ASSESSMENT OF SMALL MAMMAL ABUNDANCE IN OPEN HABITATS: PLATEAU PIKA (OCHOTONA CURZONIAE) IN ALPINE GRASSLAND
Qu, Jiapeng ; Li, Wenjing ; Yang, Min ; Li, Kexin ; Zhang, Yanming
2011
Source PublicationPOLISH JOURNAL OF ECOLOGY
AbstractQuick and accurate estimation of population density in large scale is required in both scientific studies and wildlife management programs. However, effective estimation of small mammal abundance is usually difficult and time-consuming due to the body size and wide distribution of these animals. To test the efficiency of different methods in assessing small mammal densities, population dynamics of plateau pikas (Ochotona curzoniae, Hodgson) were studied from April 2005 to August 2009 in alpine grassland (Kobresia humilis) at a height of of 3846 m a.s.l. We compared the precision of walked transects method with mark-recapture method using Efford's maximum likelihood spatial estimator (ML). Significant positive correlation was found between walked transects and Efford's ML estimator (r(2) = 0.58, P <0.001). The densities calculated with walked transects were about twice lower than those obtained using the mark-recapture method over the study period (i.e., summer). Nevertheless, the walked transects method remains useful for relative density estimation. Hence, the walked transects method is recommended for use as an index of relative density in large-scale assessment in alpine grassland where most small mammals are active and easily detected in an open habitat.
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/33244
Collection中国科学院西北高原生物研究所
Recommended Citation
GB/T 7714
Qu, Jiapeng,Li, Wenjing,Yang, Min,et al. METHODS FOR LARGE SCALE ASSESSMENT OF SMALL MAMMAL ABUNDANCE IN OPEN HABITATS: PLATEAU PIKA (OCHOTONA CURZONIAE) IN ALPINE GRASSLAND[J]. POLISH JOURNAL OF ECOLOGY,2011.
APA Qu, Jiapeng,Li, Wenjing,Yang, Min,Li, Kexin,&Zhang, Yanming.(2011).METHODS FOR LARGE SCALE ASSESSMENT OF SMALL MAMMAL ABUNDANCE IN OPEN HABITATS: PLATEAU PIKA (OCHOTONA CURZONIAE) IN ALPINE GRASSLAND.POLISH JOURNAL OF ECOLOGY.
MLA Qu, Jiapeng,et al."METHODS FOR LARGE SCALE ASSESSMENT OF SMALL MAMMAL ABUNDANCE IN OPEN HABITATS: PLATEAU PIKA (OCHOTONA CURZONIAE) IN ALPINE GRASSLAND".POLISH JOURNAL OF ECOLOGY (2011).
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