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1 February 2018 Association of Non-native Plant Species With Recreational Roads in a National Park in the Eastern Himalayas, China
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Abstract

Although the eastern Himalayas have high plant biodiversity, we know very little about plant invasions in the region. This study is the first to examine non-native plant distribution in a popular eastern Himalayan national park. A total of 61 non-native plant species were found in roadside plant communities, which are frequently disturbed by hikers, pack animals, and recreational vehicles. These species were annual or biennial herbs, most of which originated in America or Europe. Non-native plant richness varied with the degree of anthropogenic disturbance. Specifically, greater numbers of non-native species were found at road heads and ends, which are generally subject to intense human activity. The average number of non-native species also varied according to the type of road and road use, with more present along motor roads and horse-riding trails than along hiking trails. These results highlight the role of vehicles and pack animals as dispersal vectors and provide a foundation for future invasion management decisions. To prevent the spread of non-native plants from park roads to the adjacent landscape, we also recommend the development of educational and monitoring programs that encourage tourist participation in conservation efforts.

© 2018 Mingyu Yang et al. This open access article is licensed under a Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/). Please credit the authors and the full source.
Mingyu Yang, Zheng Lu, Xia Liu, Robert De Wulf, Luc Hens, and Xiaokun Ou "Association of Non-native Plant Species With Recreational Roads in a National Park in the Eastern Himalayas, China," Mountain Research and Development 38(1), 53-62, (1 February 2018). https://doi.org/10.1659/MRD-JOURNAL-D-17-00012.1
Published: 1 February 2018
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