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|Título:||Efficiency of sampling methods and effort to assess arthropod diversity in Azorean native forests|
Borges, Paulo A. V.
Gaston, Kevin J.
Species Accumulation Curves
|Editora:||Universidade dos Açores|
|Citação:||"ARQUIPÉLAGO. Life and Marine Sciences". ISSN 0873-4704. Nº 31 (2014): 21-36.|
|Relatório da Série N.º:||Ciências Biológicas e Marinhas = Life and Marine Sciences;31|
|Resumo:||The BALA project (Biodiversity of Arthropods of Laurisilva of the Azores) is a research initiative to quantify the spatial distribution of arthropod biodiversity in native forests of the Azores archipelago. Arthropods were collected using a combination of two techniques, targeting epigean (ground dwelling) and canopy (arboreal) arthropods: pitfall traps (with Turquin and Ethylene solutions) and beating samples (using the three most dominant plant species). A total of 109 transects distributed amongst 18 forest fragments in seven of the nine Azorean islands were used in this study. The performance of alternative sampling methods and effort were tested. No significant differences were found in the accumulated number of species captured whether an alternative method was used or whether another transect with similar effort was established in another location within the same fragment. A combination of Ethylene and Turquin traps captured more species per individual, Turquin and beating captured more species per sample, and Turquin captured more species per unit time. An optimization exercise was performed and we found that the protocol applied during recent years is very close to optimal, allowing its future replication with confidence. The minimum combinations of sampling effort and methods, in order to monitor or to inventory diversity, taking into account different proportions of sample completeness are discussed.|
|Aparece nas colecções:||ARQ - LMS - Número 31|
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|LMSpp21-36_Gaspar_etal_N31.pdf||436,36 kB||Adobe PDF||Ver/Abrir|
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