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Wang Q, Yang L, Ranjitkar S, Wang J, Wang X, Zhang D, Wang Z, Huang Y, Zhou Y, Deng Z, Yi L, Luan X, El-Kassaby YA, Guan W.2017. Distribution and in situ conservation of a relic oil woody species yellowhorn (Xanthoceras sorbifolium Bunge) base on China’s National Nature Reserves. PeerJ Preprints5:e2965v1https://doi.org/10.7287/peerj.preprints.2965v1
Conservation and protected areas have been recognized as the last shelter for wild animal and plant species. To understand the Chinese wild Xanthoceras sorbifolium contemporary and future (next 30-50 years) distribution under the anticipated climate change and to improve the species’ in situ conservation strategy within China’s National Nature Reserves network, we used BiodiversityR to predict the species’ distribution utilizing the method’s “always-suitable” map concept. Then, we delineated the “always-suitable” distribution areas with the existing China’s National Nature Reserves to identify potential conservation areas after considering the role of human influence (i.e., utilization) and the anticipated changes of climate change. Seven bioclimatic variables predictors and 12 Environmental Niche Modelling sub-models successfully contributed to the final model assembly (AUC = 0.916, kappa = 0.398). The species range delineation indicated that 71 of the 427 National Nature Reserves were included in the “always-suitable” area, accounting for 26,007 km2 (1.58% of the species total distribution). This mapping endeavour highlighted the anticipated negative impact of climate change with 15-20% habitat decline and expected species’ distribution centers shift from the country’s northwest to the southeast. Since woody plants with bio-energy potential have increased economic values for their environment-friendly predisposition, our results predicts X.sorbifolium continuous deterioration. The adoption of flexible management strategy embracing acceptable tradeoff between conservation and development/utilization within China’s National Nature Reserves could effectively alleviate the expected species decline.
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Occurrence data of X.sorbifolium from different resources