成果/Result

Effects of vegetation restoration on soil nutrients, plant diversity, and its spatiotemporal heterogenEIty in adesert-oasisecotone被引量：35收藏 分享

作者：Wu, Chunyan[1,2,3] Deng, Lei[4,5] Huang, Chunbo[6] Chen, Yongfu[3] Peng, Changhui[4]

机构：Chinese Acad Forestry;Chinese Acad Forestry;Chinese Acad Forestry;Univ Quebec Montreal;Northwest A&F Univ

来源：LAND DEGRADATION & DEVELOPMENT  2021

关键词：Chronosequence   nitrogen   plant diversity   spatial heterogenEIty   vegetation restoration  

Modeling and estimating aboveground biomass of Dacrydium pierrEI in China using machine learning with climate change被引量：30收藏 分享

作者：Wu, Chunyan[1,2] Chen, Yongfu[1] Peng, Changhui[2,3] Li, Zhaochen[4] Hong, Xiaojiang[5]

机构：Chinese Acad Forestry;Univ Quebec Montreal;Northwest A&F Univ;Asia Pacific Network Sustainable Forest Managemen;Hainan Bawangling Natl Nat Reserve

来源：JOURNAL OF ENVIRONMENTAL MANAGEMENT  2019

关键词：Aboveground biomass   Climate scenarios   Female   Forest regeneration   Male   Rare and endangered tree species  

Estimating crown width in degraded forest: A two-level nonlinear mixed-effects crown width model for Dacrydium pierrEI and Podocarpus imbricatus in tropical China被引量：26收藏 分享

作者：Chen, Qiao[1,5] Duan, Guangshuang[2] Liu, Qingwang[1,4] Ye, Qiaolin[3] Sharma, Ram P.[4]

机构：Chinese Acad Forestry;Xinyang Normal Univ;Nanjing Forestry Univ;Tribhuwan Univ;NFGA

来源：FOREST ECOLOGY AND MANAGEMENT  2021

关键词：Dummy variable modeling   Empirical best linear unbiased prediction   Heteroscedasticity   Random effects   Response calibration   Variance function  

Tree HEIght Measurements in Degraded Tropical Forests Based on UAV-LiDAR Data of Different Point Cloud Densities: A Case Study on Dacrydium pierrEI in China被引量：20收藏 分享

作者：Peng, Xi[1,2,3] Zhao, Anjiu[2] Chen, Yongfu[1,3] Chen, Qiao[1,3] Liu, Haodong[1,3]

机构：Chinese Acad Forestry;Sichuan Agr Univ;Natl Forestry & Grassland Adm

来源：FORESTS  2021

关键词：degraded tropical forests   tree hEIght   UAV-LiDAR   point cloud density   Dacrydium pierrEI  

Comparison of Modeling Algorithms for Forest Canopy Structures Based on UAV-LiDAR: A Case Study in Tropical China被引量：18收藏 分享

作者：Peng, Xi[1,2,3] Zhao, Anjiu[2] Chen, Yongfu[1,3] Chen, Qiao[1,3] Liu, Haodong[1,3]

机构：Chinese Acad Forestry;Sichuan Agr Univ;Natl Forestry & Grassland Adm;Southwest Forestry Univ

来源：FORESTS  2020

关键词：tropical forests   vertical structure   forest attributes   regression model   recursive feature elimination  

Modelling of the biodiversity of tropical forests in China based on unmanned aerial vehicle multispectral and light detection and ranging data被引量：7收藏 分享

作者：Peng, Xi[1,2,3] Chen, Zhichao[2] Chen, Yongfu[1,3] Chen, Qiao[1,3] Liu, Haodong[1,3]

机构：Chinese Acad Forestry;Sichuan Agr Univ;Natl Forestry & Grassland Adm;Southwest Forestry Univ

来源：INTERNATIONAL JOURNAL OF REMOTE SENSING  2021

关键词：Aircraft detection - Antennas - Biodiversity - Conservation - Forecasting - Forestry - Learning algorithms - Light wEIght vehicles - Machine learning - Remote sensing - Textures - Tropics - Turing machines - Unmanned aerial vehicles (UAV)  

Effects of allelopathy and availability of nutrients and water resources on the survival and growth of plant species in a natural Dacrydium forest被引量：5收藏 分享

作者：Wu, Chunyan[1,2] Chen, Yongfu[2] Grenier-Heon, David[3]

机构：Chinese Acad Forestry;Chinese Acad Forestry;Univ Quebec Montreal

来源：CANADIAN JOURNAL OF FOREST RESEARCH  2022

关键词：aqueous extracts   nutrient irrigation   resource availability   survival rate   growth rate   rare and endangered species  

A classifier-combined method based on D-S evidence theory for the land cover classification of the Tibetan Plateau被引量：4收藏 分享

作者：Hao, Shuang[1] Chen, Yongfu[2] Hu, Bo[2] Cui, Yuhuan[1]

机构：Anhui Agr Univ;Chinese Acad Forestry

来源：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH  2021

关键词：Tibetan Plateau   High altitude   Evidence theory   Landsat OLI   Land cover  

鄂尔多斯地区13种典型灌木的可加性生物量模型及含碳率被引量：0收藏 分享

作者：刘霞[1,2] 凌成星[1,2] 陈永富[1,2] 刘华[1,2] 贺振平[3]

机构：中国林业科学研究院资源信息研究所;国家林业和草原局林业遥感与信息技术重点实验室;鄂尔多斯市林业和草原局;鄂尔多斯市国际荒漠化防治技术创新中心鄂尔多斯017000;鄂尔多斯市农牧技术推广中心

来源：《林业科学》  2025

关键词：灌木生物量  可加性生物量模型  含碳率  荒漠  鄂尔多斯  

摘要：【目的】基于冠幅面积和灌木高度变量构建鄂尔多斯地区13种典型灌木的可加性生物量模型,并根据生物量分配系数加权确定整株灌木的综合含碳率,为在区域尺度上精准评估灌木碳储量提供基础支撑。【方法】以内蒙古鄂尔多斯地区13种典型灌...

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LiDAR单木分割辅助的无人机影像CNN+EL树种识别被引量：0收藏 分享

作者：徐志扬[1,2] 陈巧[1,3] 陈永富[1,3]

机构：中国林业科学研究院资源信息研究所;国家林业和草原局华东调查规划院;国家林业和草原局林业遥感与信息技术重点实验室

来源：《农业机械学报》  2022

关键词：树种识别  无人机影像  无人机激光雷达  卷积神经网络  集成学习  

摘要：为研究激光雷达单木分割辅助条件下无人机可见光图像树种识别应用潜力,提出联合卷积神经网络(CNN)和集成学习(EL)的树种识别方法。首先利用同期无人机激光雷达数据和可见光影像数据进行单木树冠探测并制作单木树冠影像数据集;其...

其他来源数据库：万方期刊数据库同方期刊数据库

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Monitoring Ecological Management of Three-North Shelterbelt Program: a Case Study in Zhongyang County, China被引量：0收藏 分享

作者：Wang, Xiaohui[1] Ju, Hongbo[1] Chen, Yongfu[1] Chen, Erxue[1]

机构：Chinese Acad Forestry

来源：2014 THIRD INTERNATIONAL WORKSHOP ON EARTH OBSERVATION AND REMOTE SENSING APPLICATIONS (EORSA 2014)  2014

关键词：Three-North Shelterbelt Program   monitoring ecological management   remote sensing   soil erosion   Zhongyang County   Shanxi Province   China