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Forest Science • Rev. Caatinga 35 (01) • Jan-Mar 2022 • https://doi.org/10.1590/1983-21252022v35n115rc   copy

BEETLE ASSEMBLAGE COMPOSITION (COLEOPTERA) ACROSS THE BORBOREMA PLATEAU IN NORTHEASTERN BRAZIL1 1 Paper extracted from the TCC of the first author.

COMPOSIÇÃO DA ASSEMBLEIA DE BESOUROS (COLEOPTERA) NO PLANALTO DA BORBOREMA, NORDESTE DO BRASIL

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

The objective of this work was to compare soil beetle (Coleoptera) species composition between two sites on the Borborema Plateau in Northeastern Brazil. We collected 483 individuals belonging to 23 Coleoptera families and 75 species/morphospecies. On the east face of the Borborema Plateau (Areia-PB) we collected a total of 332 individuals representing 58 species/morphospecies and 21 families. On the west face (Cabaceiras-PB) we collected 151 individuals representing 24 species/morphospecies and eight families. Among the 75 total species/morphospecies collected, 51 occurred exclusively on the eastern face of the plateau and 17 occurred exclusively on the west face. Only seven morphospecies were sampled in both areas. The marked difference in beetle assemblage species composition between the west and east sides of the Borborema Plateau suggests that the positioning and climatic variations maintain and promote high levels of beetle diversity in northeastern Brazil.

Keywords:
Northeastern Brazil; Altitudinal gradientes; Beetle distribution; Orographic effect

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