内蒙古乌拉特梭梭林国家级自然保护区植被组成及空间分布特征  

Vegetation Composition and Spatial Distribution in Urad National Natural Reserve of Haloxylon ammodendron,Inner Mongolia

作　　者：陈峰 李翠霞 张东 温苏雅勒图 王国林 蒋星驰 吴振廷 郗雯 高妍岭 卢建男 冯克庭 王少昆 CHEN Feng;LI Cui-xia;ZHANG Dong;Wensuyaletu;WANG Guo-lin;JIANG Xing-chi;WU Zhen-ting;XI Wen;GAO Yan-ling;LU Jian-nan;FENG Ke-ting;WANG Shao-kun(Urad National Nature Reserve Management Bureau of Bayannur City,Inner Mongolia,Bayannur 015000,China;Urad Rear Banner Management Station of National Nature Reserve of Haloxylon ammodendron and Equus hemionus,Inner Mongolia,Bayannur 015543,China;Urad Desert-grassland Research Station,Northwest Institute of Eco-environment and Resources,Chinese Academy of Sciences,Gansu,Lanzhou 730000,China;Inner Mongolia Academy of Forestry,Hohhot 010010,China)

机构地区：[1]巴彦淖尔市乌拉特国家级自然保护区管理局,内蒙古巴彦淖尔015000 [2]乌拉特梭梭林蒙古野驴国家级自然保护区乌拉特后旗管理站,内蒙古巴彦淖尔015543 [3]中国科学院西北生态环境资源研究院乌拉特荒漠草原研究站,甘肃兰州730000 [4]内蒙古自治区林业科学研究院,内蒙古呼和浩特010010

出　　处：《内蒙古林业科技》2022年第1期5-13,共9页Journal of Inner Mongolia Forestry Science and Technology

基　　金：国家科技基础资源调查专项(2017FY100200);国家自然科学基金(41771117);内蒙古乌拉特梭梭林-蒙古野驴国家级自然保护区生态监测项目(E1900504)。

摘　　要：内蒙古乌拉特梭梭林国家级自然保护区处于由荒漠向草原化荒漠的过渡地带,研究保护区植被组成及其空间分布对维护荒漠草原生态系统平衡具有重要意义。通过对保护区内61个样点的植被组成进行调查和分析,结果表明:(1)保护区内有植物15科、47属、52种,其中核心区、缓冲区和实验区分别有38种、30种和37种,3个区共有物种为22种。藜科植物最多(12种),其次分别为菊科(9种)、禾本科(7种)和蒺藜科(6种);(2)保护区植被平均盖度为15.67%,梭梭的平均密度为420株·hm^(-2);(3)保护区的植被空间分布表现出其盖度西高东低的特征,梭梭主要分布在保护区的东南部和西北部,高于1 m的梭梭主要分布在核心区的东北角和西北角、缓冲区的中部以及实验区的东部。本研究为保护区长期监测和管理提供科学依据。Urad National Natural Reserve of Haloxylon ammodendron(UNNRHa)is located in the transitional zone of desert and grassland in Inner Mongolia.It has a great ecological value on desert-grassland maintenance to investigate the vegetation composition and spatial distribution in UNNRHa.Based on investigating and analyzing the vegetation composition in 61 plots,the results show:(1)52 species and 47 genera in 15 families have been found in UNNRHa,of which 38,30 and 37 species are recorded in the core,buffer and experiment area,respectively,there are 22 species in three areas.Chenopodiaceae(12 species)is the most family,being followed by Asteraceae(9 species),Poaceae(7 species)and Zygophyllaceae(6 species).(2)The average vegetation cover is 15.67%and the density of Haloxylon ammodendron is 420 stocks hm^(2) in UNNRHa.(3)The spatial distribution shows that the vegetation cover is higher in the west and lower in the east,and Haloxylon ammodendron mostly distribute in the southeast and northwest of UNNRHa.Our investigation could provide scientific support for long-term monitoring and sustainable management in UNNRHa.

关 键 词：天然梭梭林 自然保护区 植被组成 克里金插值 

分 类 号：Q948[生物学—植物学]