Secondary forest regeneration benefits old-growth specialist bats in a fragmented tropical landscape

Scientific Reports
Ricardo RochaChristoph F J Meyer

Abstract

Tropical forest loss and fragmentation are due to increase in coming decades. Understanding how matrix dynamics, especially secondary forest regrowth, can lessen fragmentation impacts is key to understanding species persistence in modified landscapes. Here, we use a whole-ecosystem fragmentation experiment to investigate how bat assemblages are influenced by the regeneration of the secondary forest matrix. We surveyed bats in continuous forest, forest fragments and secondary forest matrix habitats, ~15 and ~30 years after forest clearance, to investigate temporal changes in the occupancy and abundance of old-growth specialist and habitat generalist species. The regeneration of the second growth matrix had overall positive effects on the occupancy and abundance of specialists across all sampled habitats. Conversely, effects on generalist species were negligible for forest fragments and negative for secondary forest. Our results show that the conservation potential of secondary forests for reverting faunal declines in fragmented tropical landscapes increases with secondary forest age and that old-growth specialists, which are often of most conservation concern, are the greatest beneficiaries of secondary forest maturation. Our fi...Continue Reading

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Citations

Oct 19, 2019·Science·Shane A BlowesMaria Dornelas
Feb 6, 2020·Conservation Biology : the Journal of the Society for Conservation Biology·Krista M S KemppinenLeah R Gerber
Jun 20, 2020·Science·Gergana N DaskalovaMaria Dornelas
Apr 25, 2019·Ecology and Evolution·Farah Carrasco-Rueda, Bette A Loiselle
May 4, 2021·Ecological Applications : a Publication of the Ecological Society of America·Adrià López-BaucellsChristoph F J Meyer

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