Thermally buffered microhabitats recovery in tropical secondary forests following land abandonment

González del Pliego, Pamela, Scheffers, Brett R., Basham, Edmund W., Woodcock, Paul, Wheeler, Charlotte, Gilroy, James J. ORCID:, Medina Uribe, Claudia A., Haugaasen, Torbjørn, Freckleton, Rob P. and Edwards, David P. (2016) Thermally buffered microhabitats recovery in tropical secondary forests following land abandonment. Biological Conservation, 201. pp. 385-395. ISSN 0006-3207

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Given the dramatic loss of tropical forests and accelerating climate change, secondary forest regeneration is increasingly recognised as being an important method for reversing losses in biodiversity and carbon stocks. The recolonisation of biodiversity within secondary forests depends in part upon the recovery of forest structure, including the range of microhabitats used by diverse local communities. Here, we investigate the return of critical microhabitats along a successional gradient of secondary forest in the Tropical Andes of Colombia. We measured the abundance of live (bromeliads, tree ferns and moss) and dead (deadwood and leaf litter) microhabitats across three landscapes, each encompassing primary, and young (4–18 yr old) and old secondary forests (19–35 yr old). Considering the increasing rate of climate warming in the region, we also explored whether these microhabitats provide thermally buffered microclimates. We found that secondary forests have different composition and lower complexity of microhabitats than primary forests, but microhabitats appear to be recovering towards primary forest levels. Furthermore, in all forest types, microhabitats had lower maximum temperatures and higher minimum temperatures, thereby serving as thermal buffers that reduced exposure to extreme temperatures. These benefits exist despite ambient temperatures in secondary forests surpassing those of primary forests by 1–2 °C on average. The protection of secondary forest and promotion of further forest regrowth in the Tropical Andes should represent an urgent investment for conservation, and the value of these forests for offering critical microhabitats and buffered microclimates under climate change should not be overlooked.

Item Type: Article
Uncontrolled Keywords: carbon enhancement,choco-andes,global climate change,microclimate buffering,secondary forest regeneration,sdg 13 - climate action,sdg 15 - life on land ,/dk/atira/pure/sustainabledevelopmentgoals/climate_action
Faculty \ School:
Faculty of Science > School of Environmental Sciences
UEA Research Groups: Faculty of Science > Research Groups > Organisms and the Environment
Faculty of Science > Research Groups > Environmental Biology
Related URLs:
Depositing User: Pure Connector
Date Deposited: 07 Oct 2016 13:00
Last Modified: 12 May 2023 00:18
DOI: 10.1016/j.biocon.2016.07.038


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