Local-scale spatial variation in diversity of social wasps in an Amazonian rain forest in Caxiuanã, Pará, Brazil (Hymenoptera, Vespidae, Polistinae)

Revista Brasileira de Entomologia

Orlando Tobias Silveira²  Suzanna De Sousa Silva²  Jorge Luis Gavina Pereira²  Ingrid Da Silva Tavares¹ 

[1] ,Museu Paraense Emílio Goeldi Coordenação de Zoologia Belém PA ,Brazil

关键词: Neotropical wasps;    polistine faunas;    spatial analysis;    biodiversity;    forest habitats;    Vespas neotropicais;    faunas de polistíneos;    análise espacial;    biodiversidade;    habitats florestais;   

DOI  :  10.1590/S0085-56262012005000053

来源: SciELO

【 摘 要 】

Polistine wasps are important in Neotropical ecosystems due to their ubiquity and diversity. Inventories have not adequately considered spatial attributes of collected specimens. Spatial data on biodiversity are important for study and mitigation of anthropogenic impacts over natural ecosystems and for protecting species. We described and analyzed local-scale spatial patterns of collecting records of wasp species, as well as spatial variation of diversity descriptors in a 2500-hectare area of an Amazon forest in Brazil. Rare species comprised the largest fraction of the fauna. Close range spatial effects were detected for most of the more common species, with clustering of presence-data at short distances. Larger spatial lag effects could also be identified in some species, constituting probably cases of exogenous autocorrelation and candidates for explanations based on environmental factors. In a few cases, significant or near significant correlations were found between five species (of Agelaia, Angiopolybia, and Mischocyttarus) and three studied environmental variables: distance to nearest stream, terrain altitude, and the type of forest canopy. However, association between these factors and biodiversity variables were generally low. When used as predictors of polistine richness in a linear multiple regression, only the coefficient for the forest canopy variable resulted significant. Some level of prediction of wasp diversity variables can be attained based on environmental variables, especially vegetation structure. Large-scale landscape and regional studies should be scheduled to address this issue.

【 授权许可】

CC BY-NC-ND   
 All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License