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Diversity and seasonal variation of ground and understory spiders from a tropical mountain cloud forest

Insect Science 2020年第4期27卷 826-844页

作者： Emmanuel F.Campuzano Guillermo Ibarra-Nunez salima machkour-m rabet Alejandro moron-Rios maria Luisa Jimenez Colegio de la Frontera Sur(ECOSUR) Unidad TapachulaTapachulaChiapasMexico ECOSUR Unidad ChetumalChetumalQuintana RooMexico ECOSUR Unidad CampecheCampecheCampecheMexico Centro de Investigaciones Biologicas del Noroeste(CIBNOR) La PazBaja California SurMexico

We made intensive samplings to study the seasonal response of spiders across different forest strata(ground and understory)in a tropical mountain cloud forest from *** sampled spiders from ten plots in six sampling events during the dry and rainy season,to analyze their abundance,structure(distribution of abundance among species),diversity and the response of the five dominant species at each *** demonstrated that seasonal patterns of spider communities differed among strata,revealing a complex spatiotemporal ***,structure,diversity of ground spiders,as well as the responses of four dominant species at this stratum,showed low seasonal *** contrast,a strong seasonal variation was observed for the understory assemblage,with lowest abundance and highest diversity in the rainy season,and different assemblage structures for each *** patterns of each assemblage seem linked to the responses of their dominant *** found high co-occurrence among most of the ground dominant species with similar habitat use and with multivoltine patterns,contrasting with low co-occurrence among most of the understory dominant species with similar habitat use and univoltine *** results showed that the spiders’assemblages of tropical mountain cloud forest(opposed to what is found in temperate and boreal forests)increase their species richness with the height,and that their responses to seasonal change differ between *** programs of these habitats should consider the spatial and temporal variations found here,as a better understanding of their ecological dynamics is required to support their sustainable management.

关键词： community structure El Triunfo Biosphere Reserve interspecific competition mexico temporal change vertical stratification

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