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Diversity 2009, 1(1), 36-51; doi:10.3390/d1010036
Article

Ad-Hoc vs. Standardized and Optimized Arthropod Diversity Sampling

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Received: 6 August 2009 / Accepted: 25 August 2009 / Published: 1 September 2009
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Abstract

The use of standardized and optimized protocols has been recently advocated for different arthropod taxa instead of ad-hoc sampling or sampling with protocols defined on a case-by-case basis. We present a comparison of both sampling approaches applied for spiders in a natural area of Portugal. Tests were made to their efficiency, over-collection of common species, singletons proportions, species abundance distributions, average specimen size, average taxonomic distinctness and behavior of richness estimators. The standardized protocol revealed three main advantages: (1) higher efficiency; (2) more reliable estimations of true richness; and (3) meaningful comparisons between undersampled areas.
Keywords: abundance classes; accumulation curves; Araneae; biodiversity assessment; Iberian Peninsula; Portugal; rank-abundance curves; species richness estimators abundance classes; accumulation curves; Araneae; biodiversity assessment; Iberian Peninsula; Portugal; rank-abundance curves; species richness estimators
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Cardoso, P.; Crespo, L.C.; Carvalho, R.; Rufino, A.C.; Henriques, S.S. Ad-Hoc vs. Standardized and Optimized Arthropod Diversity Sampling. Diversity 2009, 1, 36-51.

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