BIOLOGIA SUBTERRÂNEA
URI permanente para esta coleçãohttps://bdc.icmbio.gov.br/handle/cecav/3
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Resultados da Pesquisa
Item The effect of urbanization on species composition and trophic guilds of bats (Mammalia, Chiroptera) in the Brazilian Savanna(2023-10-26) Alencastre-Santos, Ana Beatriz ; Gonçalves, R; Correia, Letícia Lima ; Brito, D.; Oprea, Monik ; Vieira, Thiago BernardiUrban environments present less environmental heterogeneity in relation to the natural ones, affecting the biodiversity of bats and the ecological processes in which they participate. In this way, we will identify how urbanization influences the structure of bat communities in the municipality of Goiânia, Goiás, Brazil. We compared species composition, guilds and bat richness in a gradient that crossed urban, semi-urban and natural areas in the municipality of Goiânia, contained in the Cerrado biome. We captured a total of 775 bats of 16 species distributed in three families. Urban areas had a higher species abundance, while semi-urban areas had a higher species richness. The three types of environments have different compositions, the urban one being more homogeneous, the fauna in these areas is composed of generalist species, which benefit from this process. The diversity present in semi-urban areas is a consequence of the intersection between urban and natural fauna, which is why urban expansion needs to occur in a planned manner to minimize the impacts of this process and ensure the maintenance of biodiversity.Item Opportunistic predation of Carollia brevicauda (Schinz, 1821) (Chiroptera: Phylostomidae) by Marmosa demerarae (Thomas, 1905) (Marsupialia: Didelphidae) in the Brazilian Amazon(2022-03-03) Alencastre-Santos, Ana Beatriz; Correia, Letícia Lima; Sousa, Loyriane Moura; Silva, Claudia Regina; Vieira, Thiago BernardiBat predator-prey interactions are still poorly known. Following this diagnosis, this work aims to report an event of opportunistic predation of silky short-tailed bat (Carollia brevicauda) by Long-furred woolly mouse opossum (Marmosa demerarae) in the Brazilian Amazon. The event took place on April 10, 2021, in a cocoa plantation. The bat individual that was preyed upon was an inactive adult female trapped in a mist net, approximately 40 cm from the ground. The predation of bats that are trapped in mist nets reinforces the idea of opportunistic predation and may explain the consumption of a vertebrate by an insectivorous marsupial.