Long lasting impressions: After decades of regeneration rainforest biodiversity remains differentially affected following selective logging and clearance for agriculture

Whitworth, A., Pillco-Huarcaya, R., Downie, R., Villacampa, J., Braunholtz, L. D. 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, e00375. (doi: 10.1016/j.gecco.2018.e00375)

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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 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.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:MacLeod, Dr Ross and Downie, Professor J and Whitworth, Dr Andrew
Authors: Whitworth, A., Pillco-Huarcaya, R., Downie, R., Villacampa, J., Braunholtz, L. D., and MacLeod, R.
College/School:College of Medical Veterinary and Life Sciences > Institute of Biodiversity Animal Health and Comparative Medicine
Journal Name:Global Ecology and Conservation
Publisher:Elsevier
ISSN:2351-9894
ISSN (Online):2351-9894
Published Online:31 January 2018
Copyright Holders:Copyright © 2018 The Authors
First Published:First published in Global Ecology and Conservation 13: e00375
Publisher Policy:Reproduced under a Creative Commons License

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