Influência do ciclo lunar na captura de morcegos Phyllostomidae como pela dificuldade de usar a ecolocalização (O’FARRELL, ; ERKERT, ). Variação na forma craniana em morcegos neotropicais (Chiroptera: Yangochiroptera). Provided by: Repositório Institucional da Universidade Federal do. No Capítulo 2 estudei a evolução da α-amilase em morcegos e outros mamíferos Eoceno favorecem muito a hipótese da perda posterior da ecolocalização.
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Influence of moon cycle in phyllostomid bat capture.
The influence of moonlight on morrcegos activity patterns of bats has been reported to some species. In general, bats react to the increase of nocturnal illumination by reducing the use of open spaces, by limiting foraging activity or by shortening the activity periods.
To determine the influence of moon cycle on the efficiency of bat netting, captures of 28 night-samplings were analyzed in southeastern Brazil.
The capture rate and species richness were inversely related to the moonlight intensity. Among the most frequently netted species, only two showed significant and negative relation with increasing moonlight.
The highest variation in species richness was observed in gleaners and nectarivorous species. The days following new moon were the most productive in terms of capture rate and species richness.
The local ecllocalizao richness was not archived when sampling was restricted to any single period of the moon cycle. Bat community studies may benefit from samplings spanning the entire moon cycle.
File:Ecolocalizacao – Wikimedia Commons
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