[1]刘师,田培林,余梦迪,等. 青海湖流域种子植物区系研究[J].西北林学院学报,2023,38(2):132-139.[doi:10.3969/j.issn.1001-7461.2023.02.18]
　LIU Shi,TIAN Pei-lin,YU Meng-di,et al. Flora of Seed Plants in the Qinghai Lake Basin,China[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(2):132-139.[doi:10.3969/j.issn.1001-7461.2023.02.18]
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 青海湖流域种子植物区系研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第2期
页码:
132-139
栏目:
出版日期:
2023-03-31

文章信息/Info

Title:
 Flora of Seed Plants in the Qinghai Lake Basin,China
文章编号:
1001-7461(2023)02-0132-08
作者:
 刘师; 田培林; 余梦迪; 李登武*
 （西北农林科技大学 林学院，陕西 杨陵 712100）
Author(s):
 LIU Shi; TIAN Pei-lin; YU Meng-di; LI Deng-wu*
 （College of Forestry,Northwest A&F University,Yangling 712100,Shaanxi,China）
关键词:
 ; 植物区系; 青海湖流域; 地理成分; 种子植物
Keywords:
 ; flora;  Qinghai Lake Basin;  geographical composition;  seed plant
分类号:
Q949
DOI:
10.3969/j.issn.1001-7461.2023.02.18
文献标志码:
A
摘要:
 为进一步保护青海湖流域野生植物资源和青海湖国家公园建设提供数据支撑，于2019年8月、2020年7-8月、2021年6月通过样线法和样方法相结合的方法对青海湖流域种子植物进行了调查，并采用植物区系地理的方法，对该流域种子植物区系特征进行较系统的研究。结果表明，1）本区种子植物共有754种，隶属于70科、265属，科的组成主要以大科（≥100种）和较大科（30~99种）为主，属的组成主要以单种属和小属（2~4种）为主。2）优势类群明显，青海湖流域种子植物区系的优势科有9科，这些科均为世界分布，优势属21个，以北温带分布、世界分布为主。3）种子植物区系地理成分较复杂，联系较广泛，科、属、种的分布区类型均以温带分布为主，温带性质显著。4）中国特有属贫乏，中国特有种较丰富。5）青海湖流域与其他6个地区R（热带成分）/T（湿带成分）值分析结果基本上反映了各自所处生态地理位置的差异性，其中青海湖流域种子植物区系与湟水流域、大通河流域、隆务河流域类似，与孟达国家级自然保护区、柴达木盆地、三江源国家公园相差较大。
Abstract:
 In order to further protect the wild plant resources in the Qinghai Lake Basin and provide data support for the construction of the Qinghai Lake National Park,in August 2019,July to August 2020,and June 2021,the seed plants in the basin were investigated by using the method of combining typical sampling plots and typical sampling transect lines.The floristic characteristics of seed plants in the basin were systematically studied by using the method of floristic geography.The results showed 1) there were 754 species of seed plants in this area,belonging to 70 families and 265 genera.The composition of families was mainly large families (≥100 species) and medium-size families (30-99 species),and the composition of genera was mainly single species and few-species genera (2-4 species).2) The dominant groups were obvious.There were 9 dominant families,all of which were wide spread,and there were 21 dominant genera,the Areal-types was mainly north temperate and wide spread.3) The floristic geographical composition of seed plants was complex and widely related.The Areal-types of families,genera and species were mainly temperate components.The temperate nature was remarkable.4) Endemic genera to China were poor and endemic species to China were abundant.5) The R/T value analysis results of the Qinghai Lake Basin and other 6 regions basically reflected the difference of their ecological geographical positions.The flora of the basin was similar to the Huangshui River Valley,Datong River Valle and Longwu River Valley,and was quite different from Mengda National Nature Reserve,Tsaidam Basin and Sanjiangyuan National Park.

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备注/Memo

备注/Memo:
 收稿日期：2022-03-03修回日期：2022-03-13
基金项目：国家林业和草原局西北调查规划设计院委托项目（2020101902）。
第一作者：刘师。研究方向：生物多样性保护与利用。E-mail：1517634911@qq.com
*通信作者：李登武，博士，教授，博士生导师。研究方向：野生动植物保护与利用、生物多样性。E-mail：dengwuli@163.com
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