| 摘要: |
| 为探究鸟类多样性在人工恢复的亚热带次生林中如何响应不同恢复程度的森林植被, 及其对
森林经营管理的借鉴, 研究于 2021—2023 年在广东云勇国家森林公园采用样线法与红外相机监测结合的
方式调查了区域内的鸟类群落, 并比较了不同恢复程度的植被、 混合区域以及农田的鸟类分类多样性和
功能多样性差异。 研究共记录鸟类 14 目 45 科 128 种, 约占广东省鸟类种数的 21. 5%。 红耳鹎 Pycnonotus
jocosus、 白头鹎 P. sinensis、 栗背短脚鹎 Hemixos castanonotus、 暗绿绣眼鸟 Zosterops japonicus 和长尾缝叶
莺 Orthotomus sutorius 是优势物种。 鸟类群落具华南区系特征, 且珍稀濒危物种占比较高, 达 24%。 研究
发现, 公园内穿过均一景观样线的鸟类多样性低于同时穿过人居环境和多种景观的样线; 结构完整或健
康度高的植被下, 鸟类分类多样性和功能多样性低于混合区域和农田。 这表明在人工恢复时间较短的亚
热带次生林中, 相较于森林植被结构, 景观异质性可能在维持鸟类多样性方面发挥的作用更大。 因此,
在修复森林植被时, 建议采取种植功能性状互补的乡土树种, 保留自然干扰形成的林窗与枯木等措施,
在小尺度上维持一定的景观异质性, 为鸟类提供更多觅食和休憩的生境。 |
| 关键词: 次生林 功能多样性 森林恢复 生境异质性 |
| DOI： |
| 分类号: |
| 基金项目:广 东 省 基 础 与 应 用 基 础 研 究 基 金 ( 2024A1515011100 ), 中 国 林 业 科 学 研 究 院 基 本 科 研 业 务 费 专 项 资 助 (CAFYBB2022SY014), 广东珠江三角洲森林生态系统国家定位观测研究站项目 (0144135), 佛山市自筹经费类科技创 新项目 (2220001005668)。 |
|
| Avian Diversity Responses to Forest Vegetation Recovery: A Case Study of Yunyong National Forest Park, Guangdong |
|
SU Murong1, LANG Pengfei1, HE Zengli1, LU Canhui1, QUAN Qing2, ZHANG Qiang2, WU Huajun1
|
|
1.Foshan Yunyong Forest Farm;2.Institute of Zoology, Guangdong Academy of Sciences/ Guangdong Key Laboratory of Animal Protection and Resource Utilization
|
| Abstract: |
| To elucidate how avian diversity in artificially restored subtropical secondary forests responds to different degree of forest vegetation restoration and its implications for forest management, this study was conducted in Yunyong National Forest Park, Guangdong, from 2021 to 2023. Regional avian communities were
investigated using a combination of transect-line surveys and infrared camera monitoring, and differences in avian taxonomic and functional diversity were subsequently compared among vegetation with varying restoration statuses, mixed areas, and farmlands. A total of 128 bird species (14 orders, 45 families) were recorded, accounting for 21. 5% of the avian species recorded in Guangdong province, with Pycnonotus jocosus, Pycnonotus sinensis, Hemixos castanonotus, Zosterops japonicus, and Orthotomus sutorius being the dominant species.
The community exhibited distinct South China zoogeographical characteristics, with rare and threatened species
accounting for 24%. Avian diversity along transects traversing homogeneous landscapes was consistently lower
than that in transects intersecting human settlements and multiple landscape types. Furthermore, in vegetation
characterized by high structural integrity or good health status, avian taxonomic and functional diversity were,
conversely, lower than in mixed areas and farmlands. It indicates that in subtropical secondary forests undergoing short-term restoration, landscape heterogeneity may exert a more pronounced influence than forest vegetation structure in maintaining avian diversity. Therefore, during forest vegetation restoration, it is recommend to
implement measures such as planting native tree species with functionally complementary traits, retaining canopy
gaps and dead woods formed by natural disturbances, and maintaining a certain level of landscape heterogeneity
at small scales, to provide more foraging and resting habitats for avian. |
| Key words: secondary forest functional diversity forest restoration habitat heterogeneity |
