The Expansion of Moso Bamboo (Phyllostachys edulis) Forests into Diverse Types of Forests in China from 2010 to 2020

Author:

Li Dali12ORCID,Wei Juan1ORCID,Wu Jiangzhou3,Zhong Yongde14,Chen Zhao5,He Jianghua1,Zhang Shuangquan3,Yu Lushan6

Affiliation:

1. College of Forestry, Central South University of Forestry & Technology, Changsha 410004, China

2. Academic Affairs Office, Hunan Open University, Changsha 410004, China

3. College of National Park and Tourism, Central South University of Forestry & Technology, Changsha 410004, China

4. National Forestry and Grassland Administration State Forestry Administration Engineering Research Center for Forest Tourism, Changsha 410004, China

5. College of Economics and Management, Hunan Open University, Changsha 410004, China

6. Principal’s Office, Hunan Polytechnic of Environment and Biology, Hengyang 421005, China

Abstract

Moso bamboo (Phyllostachys edulis) forests, characterized by their rapid growth and clonal reproduction, have emerged as a significant threat to adjacent forest ecosystems. However, in China, the area, speed, and spatial distribution of moso bamboo forest expansion into other types of forests remains poorly understood. In this study, we present a case analysis of moso bamboo forests, employing a decade-long dataset from the forest second type inventory (FSTI) that utilizes transition matrices, neighboring ratio analysis, and spatio-temporal autocorrelation. This comprehensive investigation focuses on the spatio-temporal expansion of moso bamboo forests into diverse types of forests, with the aim of providing science-based recommendations for effective moso bamboo forest management. Our findings reveal that areas of moso bamboo forests have been expanding at an approximate annual rate of 2%, with an average expansion speed (including moso bamboo forests manually planted) of approximately 8 m per year. The length of moso bamboo–woodland ecotones (BWEs) increases as a consequence of moso bamboo forest expansion, indicating a sustained escalation in the extent of this expansion. Coniferous forests and evergreen broad-leaved forests are mainly invaded, accounting for around 58% of all invaded forests. The rate of moso bamboo forest expansion into different types of forests varies, although the rate remains fairly consistent within the same forest type. Moso bamboo forest expansion exhibits significant spatial heterogeneity. Furthermore, the area of moso bamboo forest intrusion into various types of forests in different provinces is notably influenced by the presence of moso bamboo forests and the proportional distribution of different forest types. The factors contributing to bamboo forest expansion encompass stand characteristics, soil attributes, light intensity, moso bamboo afforestation, forestry practices, and human disturbances.

Funder

Ministry of Science and Technology of The People’s Republic of China

Publisher

MDPI AG

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