羌塘高原及雅鲁藏布江上游地区植物种质资源调查与评价
收稿日期: 2013-03-21
网络出版日期: 2013-04-15
基金资助
科技部科技基础性工作专项重点项目 (2007FY110100)
Investigation and Evaluation on Germplasm Resources of Vascular Plants Distributed in Qiangtang Plateau and Upper Area of Yarlungzangbo River
Received date: 2013-03-21
Online published: 2013-04-15
Supported by
科技部科技基础性工作专项重点项目 (2007FY110100)
羌塘高原及雅鲁藏布江上游地区是植物学研究相对薄弱的地区。通过对该区域进行植被调查、植物种质资源采集，共收集到31科90属148种(变种)植物标本及其种质资源，其中以菊科、禾本科、莎草科、豆科等植物为主。分析结果表明：科的分布类型以世界广布为主，属的分布类型以温带分布为主，种的分布类型以中国特有与中亚分布及变型占有绝对优势，反映了青藏高原的隆升导致特有种的大量形成及与中亚植物区系的密切联系。对调查区域一些植被类型进行了描述，对冰川棘豆、镰荚棘豆、青海刺参等8种植物的资源与开发利用进行了评价，最后提出了合理保护与利用植被与植物资源的相关建议。
李晖1 , 文雪梅1 , 于顺利2 . 羌塘高原及雅鲁藏布江上游地区植物种质资源调查与评价[J]. Plant Diversity, 2013 , 35(3) : 327 -334 . DOI: 10.7677/ynzwyj201313033
The research on plant resources of Qiangtang Plateau and upper area of Yarlungzangbo River were relatively scant until now. We investigated their vegetation, collected plant germplasm resources, and then evaluated their resource amount. The results showed that specimen and germplasm collected include 148 species belonging to 90 genera and 31 families, in which Compositae, Graminae, Cyperaceae and Leguminosae were dominant. Most of flora elements of families are worldwide distribution and flora elements of those genus showed temperate characteristics. Endemic species and Central Asian distribution and their varieties are in absolute dormancy and these reflected lots of emerged endemic species because of the QinghaiXizang Plateau uplift, and indicated close relationship with Central Asian distribution flora. The vegetation traits was described there, the exploitation and utility were valuated on local special economic plants such as Oxytropis glacialis, Oxytropis falcate, Morina kokonorica and so on. At last, the authors give some related suggestion about conserving and reasonably making use of those plant resource.
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