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\begin{document}

\title{Evaluating the impact of climate change on the distribution of rare and
endangered tree Firmiana kwangsiensis using Maxent modeling}



\author[1]{Xiao-Xuan Gao}%
\author[1]{Jing Liu}%
\author[1]{Zhi-Huan Huang}%
\affil[1]{University of South China}%


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  \date{June 08, 2024}


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\begin{abstract}
An upsurge in anthropogenic climate change has accelerated the habitat
loss and fragmentation of wild animal and plants. The rare and
endangered plants is an important elements of biodiversity, but holistic
conservation management has been hampered by lacking of detailed and
reliable information about their spatial distribution. Our aim is to
study the consequences of climate change on geographical distributions
of a rare tree species Firmiana kwangsiensis (Malvaceae) to provide
reference for conservation, introduction and cultivation of this
species. Based on 30 effective occurrence records and 27 environmental
variables, we modeling the potential distribution of F. kwangsiensis
under current and two future climate scenarios in maximum entropy. We
found that the potential suitable habitat boundary of F. kwangsiensis
were limited by precipitation-associated variables and
temperature-associated variables. Our model predicted 259,504 km2 of F.
kwangsiensis habitat based on 25 percentile thresholds in contemporary,
of which the high suitable area is about 41,027 km2. Guangxi's protected
areas provide the most coverage for F. kwangsiensis habitat. However,
the existing reserves encompass 2.7\% of the total suitable habitat and
4.2\% of the high suitable habitat, which is lower than the average
protection intensity in Guangxi (7.2\%), meaning protected areas network
is currently insufficient and alternative conservation mechanisms are
needed to protect the habitat. Our findings will help to identify
additional localities where F. kwangsiensis may exist, and also where it
may spread to. It provides important information for the conservation
management and cultivation of such rare tree species.%
\end{abstract}%



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\textbf{Hosted file}

\verb`Climate change on Firmiana kwangsiensis' distribution-20220511.doc`  available at \url{https://authorea.com/users/481927/articles/568716-evaluating-the-impact-of-climate-change-on-the-distribution-of-rare-and-endangered-tree-firmiana-kwangsiensis-using-maxent-modeling}

\textbf{Hosted file}

\verb`Figure20220511.doc`  available at \url{https://authorea.com/users/481927/articles/568716-evaluating-the-impact-of-climate-change-on-the-distribution-of-rare-and-endangered-tree-firmiana-kwangsiensis-using-maxent-modeling}

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