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- Title
Natural recovery from fire disturbance is more favorable than assisted recovery for the restoration of soil nematode-trapping fungi.
- Authors
She, Rong; Zhou, Xin-Juan; Wang, Hai-Qing; Zhang, Fa; Yang, Xiao-Yan; Xiao, Wen
- Abstract
A fire is usually considered a severe disturbance factor in the environment. Globally, rising temperatures and increasing human activities have intensified the severity and frequency of fire incidents, and research on post-fire recovery has inevitably become an important focus for ecologists. In terms of the restoration of burned areas, there are usually two primary approaches: natural recovery and assisted recovery. However, very few relevant studies have systematically compared these recovery alternatives, suggesting which one is more favorable to the overall restoration of an ecosystem, especially to the soil microbes that function as indispensable components of ecosystems. In this study, the restoration of soil nematode-trapping fungi (NTF) in natural and assisted recovery environments was compared. The results showed that although the NTF community structures differed among the sample sites, the counts and diversity of the NTF communities in the upper and lower soil layers in the natural recovery area were higher than those in the assisted recovery and unburned control areas. These findings suggest that artificial efforts to help ecosystem recovery after fire negatively affect the speed and quality of soil NTF community recovery. Instead, natural recovery appears to be a more suitable land management choice after fire disturbance.
- Subjects
NEMATODE-destroying fungi; SOIL restoration; SOIL fungi; RESTORATION ecology; SOIL microbiology
- Publication
Canadian Journal of Microbiology, 2022, Vol 68, Issue 5, p329
- ISSN
0008-4166
- Publication type
Article
- DOI
10.1139/cjm-2021-0237