|Table of Contents|

Biodiversity of Ornamental Plant Rosaceae Resources in Tibet(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年11
Page:
74-81
Research Field:
Publishing date:

Info

Title:
Biodiversity of Ornamental Plant Rosaceae Resources in Tibet
Author(s):
Biodiversity of Ornamental Plant Rosaceae Resources in Tibet
Resources and Environment Institute,Agricultural and Animal Husbandry College of Tibet University，Linzhi，Tibet 860000
Keywords:
Rosaceae; ornamental plants; resources; diversity; Tibet
PACS:
S 685.99
DOI:
10.11937/bfyy.201511019
Abstract:
Tibet has the natural environment of plateau conditions and unique geographical advantages and provides a good environment for the growth of plants.It has the characteristics of plant resources.Through field investigation，collection，collation of specimens and consulting a large number of documents and other methods，plant resources and diversity of the region of ornamental Rosaceae had been conducted the system research.The results showed that the district a total of Rosaceae ornamental plants of 30 genera and 244 species，which was the Tibet flora of seed plants in fifth families and the species was second only to He Benke，Leguminosae，Compositae，ericaceae.Among them，the single species of 8 genera in the area，accounting for 26.67% of the total genera of Rosaceae；oligotypic genera (containing 2-10) there were 14 genera，accounting for 46.67% of the total genera；a large genus (more than 11) there were 8 genera，accounting for 26.67% of the total genera.The horizontal distribution in Southeast Tibet alpine valley region were the most，with 162 species，accounting for 66.94% of total species；vertical distribution in the altitude of 800-5 200 m based.And Sichuan，Yunnan’s highest similarity degree.The area to boshula north of Sanjiang Valley Niyang，Paron Zangbo River Basin；reservoir area，Yigong cloth in the upstream and middle reaches of the Yarlung Zangbo River；Himalaya mountains west of the south wing，boshula low mountain areas with warm habitat richness was highest.The area of Rosaceae ornamental plant geographic distribution type deformation consists of 8 species and 4 distribution，temperate elements to highlight the advantages，and East Asia，the north temperate zone，the old world temperate，tropical elements exist contact；second.The area of Rosaceae ornamental plants with ornamental the fruit the most obvious advantage.Research thinks，ornamental plant resources are abundant in Tibet area of Tibet on the Rosaceae，cold，rocky，barren soil and other harsh environment，is rich in local regional ecological community structure，increase the garden plant species，raise the rate of greening good plant.

References:

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Last Update: 2015-08-06