A comparison of two widely used methods for estimating taxonomic and functional diversities of epigeal arthropods in some temperate grasslands
2023
Amiar, Dylan | Leandro, Camila | Courtial, Cyril | Pétillon, Julien | Ecosystèmes, biodiversité, évolution [Rennes] (ECOBIO) ; Université de Rennes (UR)-Institut Ecologie et Environnement - CNRS Ecologie et Environnement (INEE-CNRS) ; Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des sciences de l'environnement de Rennes (OSERen) ; Université de Rennes (UR)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | Université de Rennes (UR) | Nelson Mandela University [Port Elizabeth]
International audience
显示更多 [+] 显示较少 [-]英语. Suction sampling is increasingly being used to estimate abundance and diversity of epigeal arthropods, yet no study has quantified its efficiency simultaneously assess at different taxonomic functional scales. Here, we evaluated the this method (G‐Vac) relative pitfall (Barber) trap, which been for a long time, their possible complementarity. To do that, compared several metrics wide range arthropod taxa, with particular focus on spiders (species level), using traits such as trophic diet, hunting guild, body size. Sampling took place in some coastal grasslands Brittany (France) spatially paired design vacuuming unfenced trapping. In total, 21159 arthropods were identified order or family levels, including 1018 adult species. was more efficient than trapping collecting phytophagous web‐builders, small species living vegetation detritivores, large‐bodied near soil surface. We conclude that short‐term G‐Vac suction interesting obtain ‘snapshot’ patterns richness. However, assessing diversity, are complementary methods.
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