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

Ad-Hoc vs. Standardized and Optimized Arthropod Diversity Sampling

Pedro Cardoso 1,2,* email, Luís C. Crespo 3 email, Rui Carvalho 4 email, Ana C. Rufino 3 email and Sérgio S. Henriques 4 email
1 Smithsonian Institution, National Museum of Natural History, Washington, DC, USA 2 Azorean Biodiversity Group–CITA-A, University of Azores, Angra do Heroísmo, Portugal 3 IMAR–Coimbra Interdisciplinary Center, University of Coimbra, Coimbra, Portugal 4 Department of Biology, University of Évora, Évora, Portugal
* Author to whom correspondence should be addressed.
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

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MDPI and ACS Style

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.

AMA Style

Cardoso P, Crespo LC, Carvalho R, Rufino AC, Henriques SS. Ad-Hoc vs. Standardized and Optimized Arthropod Diversity Sampling. Diversity. 2009; 1(1):36-51.

Chicago/Turabian Style

Cardoso, Pedro; Crespo, Luís C.; Carvalho, Rui; Rufino, Ana C.; Henriques, Sérgio S. 2009. "Ad-Hoc vs. Standardized and Optimized Arthropod Diversity Sampling." Diversity 1, no. 1: 36-51.

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