摘要
本研究结合贵州省天然黄杉林的现状分布数据和19个生物气候因子。构建Maxent物种潜在分布模型,预测了贵州省天然黄杉林的潜在分布区,明确了控制其分布的主导气候因子,研究结果表明,(1)模型的训练数据(Training data)和检验数据(Texting data)的AUC值分别为0.974和0.921,模型的总体预测精度达到优秀水平;(2)最干季度降水量(Bio17)、年均降水量(Bio12)、和昼夜温差月均温(Bio2) 3个气候因子为影响和控制贵州省天然黄杉林潜在分布的主导气候因子,3个主导因子的适宜范围依次为26-38mm、865-980mm、9.5-10.5℃,最适宜值依次为32mm、915mm、10.2℃;(3)贵州省天然黄杉林潜在适宜区域总面积21 558.35km^2,其中包含高度适宜区域10 113.97 km^2,中度适宜区域11 444.38km^2;(4)贵州省天然黄杉林高度适宜区域的海拔范围为547-2 622m,平均海拔1 319m,中度适宜区域的海拔范围为593-2 476m,平均海拔1 276m。
Based on the current distribution data of natural Pseudotsuga sinensis forest and 19 bioclimate factors in Guizhou province,this paper constructed a potential species distribution model(Maxent),and predicted the potential distribution area of natural Pseudotsuga sinensis forest in Guizhou province,and identified the dominant climatic factors that control its distribution.The results showed that:(1)The AUC values of the training data and the test data were 0.974 and 0.921,respectively,which demonstrated that the accuracy of the model was excellent.(2)The precipitation of driest quarter(Bio17),annual precipitation(Bio12),and mean diurnal range(Bio2)were dominant climatic factors which affected and controlled the potential distribution of natural Pseudotsuga sinensis forest in Guizhou province.Appropriate range of the three dominant factors were 26-38 mm,865-980 mm,9.5-10.5℃,and the optimal values were 32 mm,915 mm,and 10.2℃,respectively;(3)The total suitable area of natural Pseudotsuga sinensis forest in Guizhou province was 21 558.35 km^2,which contained 10 113.97 km^2 for highly suitable area,and 11 444.38 km^2 for medium suitable area;(4)Elevation range of natural Pseudotsuga sinensis forest in Guizhou province was 547-2 622 m for highly suitable area,with an average of 1 319 m,and 593-2 476 m for medium suitable area,with an average of 1 276 m.
作者
李望军
冯图
周瑞伍
何斌
崔涛
邓芳芳
彭明春
LI Wang-jun;FENG Tu;ZHOU Rui-wu;HE Bin;CUI Tao;DENG Fang-fang;PENG Ming-chun(School of Ecological Engineering,Guizhou University of Engineering Science,Bijie Guizhou 551700,P.R.China;Key Laboratory of Tropical Forest Ecology,Xishuangbanna Tropical Botanical Garden,Chinese Academy of Sciences,Mengla Yunnan 666303,P.R.China;Forestry Bureau of Weining County,Weining Guizhou 553100,P.R.China;Institute of Ecology and Geobotany,Yunnan University,Kunming Yunnan 650091,P.R.China)
出处
《西部林业科学》
CAS
北大核心
2019年第3期47-52,共6页
Journal of West China Forestry Science
基金
贵州工程应用技术学院高层次人才科研启动基金(院科合字G2018006、G2012009)
贵州省教育厅青年科技人才成长项目(黔教合KY字[2018]394)
贵州省重点学科“生态学”(黔学位合字ZDXK[2013]11)
贵州高原湿地生态工程协同创新中心(2015XT003)
关键词
贵州省天然黄杉林
Maxent模型
潜在分布区
Guizhou province
natural Pseudotsuga sinensis forest
Maxent model
potential distribution area
