|Table of Contents|

A Coupling Relationship Research on Soil Seed Bank of Different Age Artificial Forests（Caragana microphylla）in Desert Steppe(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年18期
Page:
181-185
Research Field:
Publishing date:

Info

Title:
A Coupling Relationship Research on Soil Seed Bank of Different Age Artificial Forests（Caragana microphylla）in Desert Steppe
Author(s):
LI Shu-jun 1; 2; LI Guo-qi 1; 2; WANG Lei 1; 2; CHEN Lin 1; 2; LI Miao 1; 2; CHEN Ke-yuan 1; 2
1.Key Laboratory of Education for Restoration and Recovery of Degraded Ecosystem in Northwestern，Ningxia University，Yinchuan，Ningxia 750021;
2.United Center for Ecology Research and Bioresource Exploitation in Western China，Ningxia University，Yinchuan，Ningxia 750021
Keywords:
desert steppe; water; soil seed bank
PACS:
Q 945.78
DOI:
-
Abstract:
The response of soil seed bank under different daily rainfall and annual rainfall were studied by water control experiment in the processing of arid and semi-arid desert grassland degradation.The results showed that there were significant differences between species composition of the soil seed bank and seed germination under different day rainfall.Seed germination of its own seeds of different plants required different moisture.Some plants could germinate only with a little water;some plants need a lot of water before germination，as well as the wide range of plant seeds could germinate.The effect of different annual rainfall on soil seed bank to stimulate the composition of species in the study area was not significant，while stimulate seed germination of seeds in soil with a fluctuation in the number of type changes.Therefore，for the treatment of degraded desert steppe vegetation restoration on the ground，the proposed study area should consider using different gradients of water applied alternately to stimulate seed bank in the soil seed germination.

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Last Update: 2014-11-27