Whitworth, A, Pillco-Huarcaya, R, Downie, R, Villacampa, J, Braunholtz, LD and MacLeod, R (2018) Long lasting impressions: After decades of regeneration rainforest biodiversity remains differentially affected following selective logging and clearance for agriculture. Global Ecology and Conservation, 13. ISSN 2351-9894

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Abstract

The need to complement primary forest protection with the conservation of regenerating tropical forest is becoming increasingly well-understood. However, the persistence of biodiversity differences between areas once subjected to different anthropogenic land-uses, after long periods of regeneration, remains poorly understood. We investigate long-term differences in species richness, diversity, relative abundance and community evenness within a regenerating rainforest previously subjected to two different but common types of human disturbance: selective logging and clear-felling for agriculture. Even after a 30 year recovery period, and despite close-proximity to protected primary forest that provided favourable recolonization potential, species richness and diversity of amphibians, butterflies, understorey birds and nocturnal birds were all lower in post-agriculture secondary forest, compared to regenerating selectively logged forest; in contrast, mammals showed no significant difference. Species richness in secondary forest was on average 18 ± 6.7% lower, and diversity was 13 ± 7.6% lower than in the selectively logged forest. Community evenness and relative abundances also displayed differences related to historic human disturbance type. However, the measured difference in species richness (18%) between selectively logged and secondary forest was 60% smaller than previous indirect comparisons based on young areas of regenerating forests have suggested. We find that human-induced differences in tropical biodiversity are long lasting but also suggest that even historically highly disturbed regenerating tropical forests could, with appropriate management, provide important opportunities for conserving tropical forest biodiversity. © 2018

Item Type:	Article
Subjects:	G Geography. Anthropology. Recreation > GE Environmental Sciences Q Science > QH Natural history
Divisions:	Natural Sciences & Psychology (closed 31 Aug 19)
Publisher:	Elsevier
Date Deposited:	16 May 2019 10:26
Last Modified:	03 Sep 2021 21:10
DOI or ID number:	10.1016/j.gecco.2018.e00375
URI:	https://researchonline.ljmu.ac.uk/id/eprint/10704

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