四川喇叭河自然保护区珙桐群落特征与更新
文献类型：期刊论文
| 作者 | 徐云 ; 王海明
|
| 刊名 | 山地学报
 |
| 出版日期 | 2005 |
| 卷号 | 23期号:3页码:360-366 |
| 关键词 | 珙桐群落 结构特征 更新 |
| 其他题名 | Features and Regeneration of Davidia Involucrata Communities at Labahe Nature Reserve in Sichuan Province |
| 通讯作者 | 王海明 |
| 合作状况 | 其它 |
| 中文摘要 | 在对四川喇叭河自然保护区珙桐群落进行生态学调查的基础上，着重分析了该区珙桐群落植物的物种构成、群落结构、重要值排序、simpson指数、Shannon-Wiener指数，以及珙桐群落的生境条件、更新动态等。研究结果表明：(1)喇叭河自然保护区珙桐群落是一种典型的中亚热带中山山地常绿、落叶阔叶混交林植被；适宜分布于温暖、潮湿、雨量充沛、云雾多、日照少、山陡沟深的地段；(2)珙桐群落植物种类丰富、古老、特有性强；(3)珙桐群落垂直结构明显，珙桐构成建群种；草本层发达；(4)该地区珙桐以有性和无性繁殖更新，但有性繁殖能力很低，以无性繁殖更新为主，群落在其分布区内是一种稳定存在的群落类型。 |
| 英文摘要 | In recent years, the increasing intensity of human activities and the increase of regional developing items led to a sharp decrease of natural distributed populat ion number of rare and endangered species Davidia involucrate1 Community diversity and its patterns along lat itude and alt itude w ere studied based on 3 plots samples of everg reen broadleaved forests Davidia involucrate f rom 3 areas iat LaBahe nature reserve1 Based on the ecological survey of Davidia involucrata communities at LaBahe nature reserve, the species composition, st ructure, the importance values and their ranks, biodiversity of the Dav idia involucrata community w ere analy zed mainly along w ith its ecotype condit ions and regeneration of Davidia involucrata population1 The result s suggest that : ( 1) the nature of the community is typical of mixed evergreen deciduous broadleaf forest s in mountainous reg ion of midsubtropics 1 The suitable distributive area of the community is of w arm and moist habitat w ith abound ant rainfall , frequent cloud and fog and less sunlight1 The land form is precipitous with deep cut valleys1 ( 2) The species of Davidia involucrata w as rich, ancient and prominent ly endemic1 ( 3) The vert ical st ructure of the community is obvious1 Edificatory of the community is Davidia involucrata1 T he f ield layer is developed1 ( 4) The natural regeneration of Davidia involucrata community accomplished by seedling and tillers1 But the seedling is not development unreliable 1The community of Davidia involucrata here is a stable now1 Although Davidia involucrate can maintain its ex istence here much stable now, the situation of its populat ion development isn. t unreliable. |
| 分类号 | Q948.15 |
| 资助信息 | 四川省教育厅资助项目(2001LA03).~~ |
| 语种 | 中文 |
| 公开日期 | 2010-07-15 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/729]  |
| 专题 | 成都山地灾害与环境研究所_成都山地所知识仓储（2009年以前） 成都山地灾害与环境研究所_山区发展研究中心 |
| 推荐引用方式 GB/T 7714 | 徐云,王海明. 四川喇叭河自然保护区珙桐群落特征与更新[J]. 山地学报,2005,23(3):360-366. |
| APA | 徐云,&王海明.(2005).四川喇叭河自然保护区珙桐群落特征与更新.山地学报,23(3),360-366. |
| MLA | 徐云,et al."四川喇叭河自然保护区珙桐群落特征与更新".山地学报 23.3(2005):360-366. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。