abundance estimationcamera trapscount dataRAIrelative abundance indexunmarked individualsThe ability to directly monitor animal populations across time and space is a key element of wildlife conservation and management, but logistically difficult to achieve. Photographic capture rates from camera trap surveys ...
There are three components of the RAIphy algorithm: the Relative Abundance Index and the corresponding profile or model for genomic fragments and taxonomic units; the classification metric; and the iterative algorithm used to refine the models used for classification. We describe each in turn. Relati...
相对丰富度,relative abundance 1)relative abundance相对丰富度 1.The relative abundance of phytophages,predators,parasi.植食类、捕食类、寄生类和其它类的相对丰富度分别为78。 2)relative abundance相对丰度 1.In these bicyclic sesquiterpanes,the relative abundance of the rearranged drimane is regularly ...
An average abundance index of 446,8 g·trap1 was estimated for both species combined, P. delagoae contributing 301,9 g·trap1 (67,6%) and S. elisabethae 144,9 g·trap1 (32,4%). It is concluded that P. delagoae can be exploited effectively off South Africa using traps, but there...
Using density measurements derived by SCUBA diving, we have verified that research angling catch per unit of effort (CPUE) is a useful measurement of the relative abundance of nearshore reef species when the appropriate habitat is targeted. We found a strictly proportional relationship between lingcod...
Data-poor management of African lion hunting using a relative index of abundance. Proc Natl Acad Sci USA 111:539-543.Edwards, C.T., Bunnefeld, N... Edwards,TT Charles,Bunnefeld,... - 《Proceedings of the National Academy of Sciences of the United States of America》 被引量: 26发表...
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Often the best one can hope to estimate are patterns of relative abundance, sometimes referred to as an index of abundance. Relative abundance values are equal to absolute abundance—the number of individuals in a known area—multiplied by an unknown constant such as a detection rate and/or ...
The most abundant species in each sample were identified using absolute abundance values. Alpha (within-sample) diversity was evaluated by the observed taxa and the fluctuation of the Shannon index, employing Wilcoxon tests for comparisons of two groups or Kruskal–Wallis and Dunn post hoc tests ...
Diversity, relative abundance and biology of fishes in Borkena and Mille Rivers were studied in April and October, 2009 using gillnets of stretched mesh size from 6-14 cm, monofilaments of different mesh size hook and line and beach seines. Abiotic parameters, temperature, dissolved oxygen, ...