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ECB-ART-51317
Heliyon 2023 Jun 01;96:e17405. doi: 10.1016/j.heliyon.2023.e17405.
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Predicting the potential impacts of climate change on the endangered endemic annonaceae species in east africa.

Mkala EM , Mwanzia V , Nzei J , Oluoch WA , Ngarega BK , Wanga VO , Oulo MA , Ngarega BK , Munyao F , Kilingo FM , Rono P , Waswa EN , Mutinda ES , Ochieng CO , Mwachala G , Hu GW , Wang QF , Katunge JK , Victoire CI .


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Globally, endemic species and natural habitats have been significantly impacted by climate change, and further considerable impacts are predicted. Therefore, understanding how endemic species are impacted by climate change can aid in advancing the necessary conservation initiatives. The use of niche modeling is becoming a popular topic in biological conservation to forecast changes in species distributions under various climate change scenarios. This study used the Australian Community Climate and Earth System Simulator version 1 (ACCESS-CM2) general circulation model of coupled model intercomparison project phase 6 (CMIP6) to model the current distribution of suitable habitat for the four threatened Annonaceae species endemic to East Africa (EA), to determine the impact of climate change on their suitable habitat in the years 2050 (average for 2041-2060) and 2070 (average for 2061-2080). Two shared socio-economic pathways (SSPs) SSP370 and SSP585 were used to project the contraction and expansion of suitable habitats for Uvariodendron kirkii, Uvaria kirkii, Uvariodendron dzomboense and Asteranthe asterias endemic to Kenya and Tanzania in EA. The current distribution for all four species is highly influenced by precipitation, temperature, and environmental factors (population, potential evapotranspiration, and aridity index). Although the loss of the original suitable habitat is anticipated to be significant, appropriate habitat expansion and contraction are projections for all species. More than 70% and 40% of the original habitats of Uvariodendron dzombense and Uvariodendron kirkii are predicted to be destroyed by climate change, respectively. Based on our research, we suggest that areas that are expected to shrink owing to climate change be classified as important protection zones for the preservation of Annonaceae species.

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References [+] :
Abbass, A review of the global climate change impacts, adaptation, and sustainable mitigation measures. 2022, Pubmed