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Nature Conservation Volume 42 ,2020-12-01
Number and distribution of large old ginkgos in east China: Implications for regional conservation
Research Article
Jie Liu 1 Ruo-Yan Jiang 1 Guang-Fu Zhang 1
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DOI:10.3897/natureconservation.42.59284
Received 2020-10-03, accepted for publication 2020-11-10, Published 2020-12-01
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摘要

Abstract Large old ginkgos (LOGs), having important ecological, cultural and historical values, are widely distributed in China. However, little is known regarding their quantity and tree-habitat quality in the mesoscale distribution. Here, the quantity, spatial distribution and conservation status of Ginkgo biloba L. older than 100 years in Jiangsu Province, east China were examined using ArcGIS software and detrended correspondence analysis (DCA). Based on our collated data, Jiangsu Province included 2,123 LOG individuals and 237 LOG groves and both mostly occurred in southern and central Jiangsu. Most LOGs grew well and were distributed in villages, temples and government institutions. Ginkgos’ growth status was largely associated with tree-habitat types. LOGs performed worse in commercial areas, roadsides and residential districts than in other tree-habitat types. To protect these ginkgos, dynamic monitoring and strengthening of scientific management are required, especially for tree-habitats in the process of urban planning and construction. It is also necessary to improve the relationship between religious culture and conservation measures. This is the first study examining LOGs in Jiangsu Province using a unified standard and our findings provide a baseline for future studies and insights into the regional conservation of LOGs.

关键词

urbanisation impact;tree-habitat conservation;spatial distribution;ancient tree;Abundance

授权许可

Jie Liu, Ruoyan Jiang, Guangfu Zhang
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

推荐引用方式

Jie Liu,Ruo-Yan Jiang,Guang-Fu Zhang. Number and distribution of large old ginkgos in east China: Implications for regional conservation. Nature Conservation ,Vol.42(2020)

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