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Analysis on Plant Composition and Diversity of Hippophae Forest in Sandstone Areas of Jungar Banner(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年22期
Page:
98-101
Research Field:
Publishing date:

Info

Title:
Analysis on Plant Composition and Diversity of Hippophae Forest in Sandstone Areas of Jungar Banner
Author(s):
ZENG Yue-e; QIN Fu-cang; YUE Yong-jie
College of Ecology and Environmental Science,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010019
Keywords:
Sandstone areas; hippophae; plant diversity; Jungar
PACS:
S 718. 54
DOI:
-
Abstract:
The hippophae plays an active role in developing water and soil conservation and ecological environment construction in sandstone areas,taking the 2~10 a hippophae forest as the test material,plant composition and diversity of hippophae forest were studied.The result showed that understory plant species showed increasing at first and then decreasing as the age of hippophae forest increased.The plant species presented that the 8 a (20 species)>6 a (19 kinds)>4 a (17 species)>10 a (10 species)>2 a (8 species).The understory plant species of 2 a hippophae forest were mainly annual plant and xerophytes,the dominant species was Chamaerhodos erecta,the important value reached 30.1827;the dominant species were Salsola collina and Thfmus serphllum of 4 a hippophae forest,and the important values reached 10.7481 and 10.4768;8-year-old sea buckthorn understory plant the dominant species were Heteropappus altaicus and Thfmus serphllum of 8 a hippophae forest,the important values reached 10.3416 and 10.1714,the dominant species was Thfmus serphllum of 10 a hippophae forest,its important value was 26.1437 with obvious predominance.Margalef richness index,Pielous evenness index,Shannon-Weiner diversity index and the Simpson diversity index of hippophae forest showed a decline after the first growing trend.

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Last Update: 2014-08-07