Modelling the impact of climate change on Tanzanian forests

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Modelling the impact of climate change on Tanzanian forests. / John, Elikana; Bunting, Pete; Hardy, Andy et al.
In: Diversity and Distributions, Vol. 26, No. 12, 01.12.2020, p. 1663-1686.

Research output: Journal contributionsJournal articlesResearchpeer-review

Harvard

John, E, Bunting, P, Hardy, A, Roberts, O, Giliba, R & Silayo, DS 2020, 'Modelling the impact of climate change on Tanzanian forests', Diversity and Distributions, vol. 26, no. 12, pp. 1663-1686. https://doi.org/10.1111/ddi.13152

APA

John, E., Bunting, P., Hardy, A., Roberts, O., Giliba, R., & Silayo, D. S. (2020). Modelling the impact of climate change on Tanzanian forests. Diversity and Distributions, 26(12), 1663-1686. https://doi.org/10.1111/ddi.13152

Vancouver

John E, Bunting P, Hardy A, Roberts O, Giliba R, Silayo DS. Modelling the impact of climate change on Tanzanian forests. Diversity and Distributions. 2020 Dec 1;26(12):1663-1686. doi: 10.1111/ddi.13152

Bibtex

@article{265ad95f7e84478888112971e6d94004,
title = "Modelling the impact of climate change on Tanzanian forests",
abstract = "Aim: Climate change is pressing extra strain on the already degraded forest ecosystem in Tanzania. However, it is mostly unknown how climate change will affect the distribution of forests in the future. We aimed to model the impacts of climate change on natural forests to help inform national-level conservation and mitigation strategies. Location: Tanzania. Methods: We conducted maximum entropy (MaxEnt) modelling to simulate forest habitat suitability using the Tanzanian national forest inventory survey (1,307 occurrences) and environmental data. Changes in forest habitats were simulated under two Representative Concentration Pathways (RCPs) emission scenarios RCP 4.5 and RCP 8.5 for 2055 and 2085. Results: The results indicate that climate change will threaten forest communities, especially fragmented strips of montane forests. Even under optimistic emission scenario, the extent of montane forest is projected to almost halve by 2085, intersecting many biodiversity hotspots across the Eastern Arc Mountains. Similarly, climate change is predicted to threaten microhabitat forests (i.e. thickets), with losses exceeding 70% by 2085 (RCP8.5). Other forest habitats are predicted to decrease (lowland forest and woodland) representing essential ecological networks, whereas suitable habitats for carbon-rich mangroves are predicted to expand by more than 40% at both scenarios. Conclusions: Climate change will impact forests by accelerating habitat loss, and fragmentation and the remaining land suitable for forests will also be subject to pressures associated with rising demand for food and biofuels. These changes are likely to increase the probability of adverse impacts to the country's indigenous flora and fauna. Our findings, therefore, call for a shift in conservation efforts, focusing on (i) the enhanced management of existing protected areas that can absorb the impacts of future climate change, and (ii) expanding conservation efforts into newly suitable regions through effective land use planning and land reclamation, helping to preserve and enhance forest connectivity between fragmented patches.",
keywords = "Biodiversity conservation, climate change, conservation planning, habitat fragmentation, habitat suitability modelling, MaxEnt modelling, Tanzania, Biology, Ecosystems Research",
author = "Elikana John and Pete Bunting and Andy Hardy and Osian Roberts and Richard Giliba and Silayo, {Dos Santos}",
note = "Publisher Copyright: {\textcopyright} 2020 The Authors. Diversity and Distributions published by John Wiley & Sons Ltd",
year = "2020",
month = dec,
day = "1",
doi = "10.1111/ddi.13152",
language = "English",
volume = "26",
pages = "1663--1686",
journal = "Diversity and Distributions",
issn = "1366-9516",
publisher = "Wiley-Blackwell Publishing Ltd.",
number = "12",

}

RIS

TY - JOUR

T1 - Modelling the impact of climate change on Tanzanian forests

AU - John, Elikana

AU - Bunting, Pete

AU - Hardy, Andy

AU - Roberts, Osian

AU - Giliba, Richard

AU - Silayo, Dos Santos

N1 - Publisher Copyright: © 2020 The Authors. Diversity and Distributions published by John Wiley & Sons Ltd

PY - 2020/12/1

Y1 - 2020/12/1

N2 - Aim: Climate change is pressing extra strain on the already degraded forest ecosystem in Tanzania. However, it is mostly unknown how climate change will affect the distribution of forests in the future. We aimed to model the impacts of climate change on natural forests to help inform national-level conservation and mitigation strategies. Location: Tanzania. Methods: We conducted maximum entropy (MaxEnt) modelling to simulate forest habitat suitability using the Tanzanian national forest inventory survey (1,307 occurrences) and environmental data. Changes in forest habitats were simulated under two Representative Concentration Pathways (RCPs) emission scenarios RCP 4.5 and RCP 8.5 for 2055 and 2085. Results: The results indicate that climate change will threaten forest communities, especially fragmented strips of montane forests. Even under optimistic emission scenario, the extent of montane forest is projected to almost halve by 2085, intersecting many biodiversity hotspots across the Eastern Arc Mountains. Similarly, climate change is predicted to threaten microhabitat forests (i.e. thickets), with losses exceeding 70% by 2085 (RCP8.5). Other forest habitats are predicted to decrease (lowland forest and woodland) representing essential ecological networks, whereas suitable habitats for carbon-rich mangroves are predicted to expand by more than 40% at both scenarios. Conclusions: Climate change will impact forests by accelerating habitat loss, and fragmentation and the remaining land suitable for forests will also be subject to pressures associated with rising demand for food and biofuels. These changes are likely to increase the probability of adverse impacts to the country's indigenous flora and fauna. Our findings, therefore, call for a shift in conservation efforts, focusing on (i) the enhanced management of existing protected areas that can absorb the impacts of future climate change, and (ii) expanding conservation efforts into newly suitable regions through effective land use planning and land reclamation, helping to preserve and enhance forest connectivity between fragmented patches.

AB - Aim: Climate change is pressing extra strain on the already degraded forest ecosystem in Tanzania. However, it is mostly unknown how climate change will affect the distribution of forests in the future. We aimed to model the impacts of climate change on natural forests to help inform national-level conservation and mitigation strategies. Location: Tanzania. Methods: We conducted maximum entropy (MaxEnt) modelling to simulate forest habitat suitability using the Tanzanian national forest inventory survey (1,307 occurrences) and environmental data. Changes in forest habitats were simulated under two Representative Concentration Pathways (RCPs) emission scenarios RCP 4.5 and RCP 8.5 for 2055 and 2085. Results: The results indicate that climate change will threaten forest communities, especially fragmented strips of montane forests. Even under optimistic emission scenario, the extent of montane forest is projected to almost halve by 2085, intersecting many biodiversity hotspots across the Eastern Arc Mountains. Similarly, climate change is predicted to threaten microhabitat forests (i.e. thickets), with losses exceeding 70% by 2085 (RCP8.5). Other forest habitats are predicted to decrease (lowland forest and woodland) representing essential ecological networks, whereas suitable habitats for carbon-rich mangroves are predicted to expand by more than 40% at both scenarios. Conclusions: Climate change will impact forests by accelerating habitat loss, and fragmentation and the remaining land suitable for forests will also be subject to pressures associated with rising demand for food and biofuels. These changes are likely to increase the probability of adverse impacts to the country's indigenous flora and fauna. Our findings, therefore, call for a shift in conservation efforts, focusing on (i) the enhanced management of existing protected areas that can absorb the impacts of future climate change, and (ii) expanding conservation efforts into newly suitable regions through effective land use planning and land reclamation, helping to preserve and enhance forest connectivity between fragmented patches.

KW - Biodiversity conservation

KW - climate change

KW - conservation planning

KW - habitat fragmentation

KW - habitat suitability modelling

KW - MaxEnt modelling

KW - Tanzania

KW - Biology

KW - Ecosystems Research

UR - http://www.scopus.com/inward/record.url?scp=85090009018&partnerID=8YFLogxK

U2 - 10.1111/ddi.13152

DO - 10.1111/ddi.13152

M3 - Journal articles

AN - SCOPUS:85090009018

VL - 26

SP - 1663

EP - 1686

JO - Diversity and Distributions

JF - Diversity and Distributions

SN - 1366-9516

IS - 12

ER -

DOI

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