The Natural Forest Protection Project(NFPP),initiated by the Chinese government in 2000,is a crucial ecological construction project that has played a significant role in forest restoration in China.Forests in the Qin...The Natural Forest Protection Project(NFPP),initiated by the Chinese government in 2000,is a crucial ecological construction project that has played a significant role in forest restoration in China.Forests in the Qinghai-Tibet Plateau(QTP)serve as important habitats for many rare and endemic birds.Understanding the conservation efficiency of NFPP implementation on these birds holds significant practical significance.In this study,we utilized land use change matrices to analyze the forest changes in the QTP before and after NFPP implementation,predicted the potential spatial distribution of 16 nationally protected birds using Species Distribution Models(SDMs),and compared the impacts of this project on bird habitats under different carbon emission scenarios.Mann-Whitney U tests were employed to analyze the adaptation of different birds to forest changes during NFPP implementation.Our results showed that NFPP protected 172,398 km^(2) of primary forests and added 6379 km^(2) of secondary forests in our study area.The potential spatial distribution and sympatric species richness of the 16 protected birds slightly increased after NFPP implementation under different climate change scenarios,and NFPP implementation contributed to improving the potential spatial distribution of birds.Compared to newly established secondary forests,protected primary forests exhibited enhanced conservation for forest birds(Z-value>0 for six bird species,P<0.1),while being less suitable for non-forest birds(significantly unsuitable for three non-forest bird species,Z-value<0,P<0.05;non-significantly unsuitable for four non-forest bird species,Zvalue<0,P>0.1).This indicates that the protection of primary forests during NFPP implementation benefits forest bird conservation while the addition of secondary forests is beneficial to non-forest birds.To enhance the role of NFPP in avian conservation in the QTP,it is suggested to increase the landscape heterogeneity of forest,particularly in newly established secondary forests.展开更多
以Web of Science数据库核心合集1986—2014年的127篇天然林保护工程文献为研究对象,以Cite Space可视化软件为分析手段,尝试从定性判断到定量分析、从图表统计到信息可视化,对国际天然林保护工程研究领域的知识结构、发展脉络、研究机...以Web of Science数据库核心合集1986—2014年的127篇天然林保护工程文献为研究对象,以Cite Space可视化软件为分析手段,尝试从定性判断到定量分析、从图表统计到信息可视化,对国际天然林保护工程研究领域的知识结构、发展脉络、研究机构和研究热点进行深入挖掘,是对天然林保护工程领域文献研究的新尝试。研究结果显示,国际天然林资源保护工程研究基础相对集中,可分为四大聚类,分别是中国天然林保护实践、生态工程经验总结和未来工作重点、发展中国家生态保护、天然林保护与生物多样性研究;从聚类研究脉络看,中国天然林保护实践在国际天然林保护工程研究领域最为突出,其次是发展中国家生态保护和生物多样性研究,生态工程经验总结这类研究近期基本处于沉寂状态;美国、中国、加拿大是国际天然林保护工程领域研究的主要国家,其中美国的研究实力最强,其次是中国;国际天然林保护工程研究热点随着时间的变迁而不断发生变化,近期研究热点指向高频关键词"气候变化"、"碳汇"、"遥感"和"生态旅游"。展开更多
基金funded by Central Fiscal Forestry and Grassland Ecological Protection and Restoration Fund in 2022(grant number:HYGJ22069P(2022zfcg03469)-HT01)National Natural Science Foundation of China(grant number:3152010390332070452)。
文摘The Natural Forest Protection Project(NFPP),initiated by the Chinese government in 2000,is a crucial ecological construction project that has played a significant role in forest restoration in China.Forests in the Qinghai-Tibet Plateau(QTP)serve as important habitats for many rare and endemic birds.Understanding the conservation efficiency of NFPP implementation on these birds holds significant practical significance.In this study,we utilized land use change matrices to analyze the forest changes in the QTP before and after NFPP implementation,predicted the potential spatial distribution of 16 nationally protected birds using Species Distribution Models(SDMs),and compared the impacts of this project on bird habitats under different carbon emission scenarios.Mann-Whitney U tests were employed to analyze the adaptation of different birds to forest changes during NFPP implementation.Our results showed that NFPP protected 172,398 km^(2) of primary forests and added 6379 km^(2) of secondary forests in our study area.The potential spatial distribution and sympatric species richness of the 16 protected birds slightly increased after NFPP implementation under different climate change scenarios,and NFPP implementation contributed to improving the potential spatial distribution of birds.Compared to newly established secondary forests,protected primary forests exhibited enhanced conservation for forest birds(Z-value>0 for six bird species,P<0.1),while being less suitable for non-forest birds(significantly unsuitable for three non-forest bird species,Z-value<0,P<0.05;non-significantly unsuitable for four non-forest bird species,Zvalue<0,P>0.1).This indicates that the protection of primary forests during NFPP implementation benefits forest bird conservation while the addition of secondary forests is beneficial to non-forest birds.To enhance the role of NFPP in avian conservation in the QTP,it is suggested to increase the landscape heterogeneity of forest,particularly in newly established secondary forests.
文摘以Web of Science数据库核心合集1986—2014年的127篇天然林保护工程文献为研究对象,以Cite Space可视化软件为分析手段,尝试从定性判断到定量分析、从图表统计到信息可视化,对国际天然林保护工程研究领域的知识结构、发展脉络、研究机构和研究热点进行深入挖掘,是对天然林保护工程领域文献研究的新尝试。研究结果显示,国际天然林资源保护工程研究基础相对集中,可分为四大聚类,分别是中国天然林保护实践、生态工程经验总结和未来工作重点、发展中国家生态保护、天然林保护与生物多样性研究;从聚类研究脉络看,中国天然林保护实践在国际天然林保护工程研究领域最为突出,其次是发展中国家生态保护和生物多样性研究,生态工程经验总结这类研究近期基本处于沉寂状态;美国、中国、加拿大是国际天然林保护工程领域研究的主要国家,其中美国的研究实力最强,其次是中国;国际天然林保护工程研究热点随着时间的变迁而不断发生变化,近期研究热点指向高频关键词"气候变化"、"碳汇"、"遥感"和"生态旅游"。
