Spatial Heterogeneity of Soil Nutrients and Distribution of Plant Community in Changyi Marine Ecological Special Protection Area

TANG Ai-kun; LIU Ru-hai; XU Liao-qi; WANG Jin-yu; LIU Yi-ting

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Spatial Heterogeneity of Soil Nutrients and Distribution of Plant Community in Changyi Marine Ecological Special Protection Area

- Spatial Heterogeneity of Soil Nutrients and Distribution of Plant Community in Changyi Marine Ecological Special Protection Area
- Bulletin of Soiland Water Conservation Vol. 30, Issue 3, Pages: 88-93(2011)
- 作者机构：
  
  1. 海洋环境与生态教育部重点实验室中国海洋大学,山东,青岛,266100
  2. 国家海洋局北海环境监测中心,山东,青岛,266033
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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TANG Ai-kun, LIU Ru-hai, XU Liao-qi, et al. Spatial Heterogeneity of Soil Nutrients and Distribution of Plant Community in Changyi Marine Ecological Special Protection Area[J]. Bulletin of Soiland Water Conservation, 2011, 30(3): 88-93.
DOI：

TANG Ai-kun, LIU Ru-hai, XU Liao-qi, et al. Spatial Heterogeneity of Soil Nutrients and Distribution of Plant Community in Changyi Marine Ecological Special Protection Area[J]. Bulletin of Soiland Water Conservation, 2011, 30(3): 88-93. DOI：

摘要

2009年9月对昌邑海洋生态特别保护区进行调查研究，分析了土壤水分、盐分、养分(有机质、氮和磷)等要素的空间异质性及其与植被群落生态分布的相互关系。结果表明，土壤含水率与可溶性盐、有机质之间，以及可溶性盐和有机质之间均在0.01水平上显著相关;有机质与全氮在0.05水平上显著正相关，与全磷的相关性不显著。从陆向海方向，土壤含水率和可溶性盐含量升高，有机质含量降低，群落组成种类减少，群落盖度降低;由以狗尾草为优势种多种植物伴生的杂草群落演变成单一的柽柳、碱蓬群落，最后耐盐大的翅碱蓬成为群落的单优势种，物种的丰富度和多样性均显著降低。

Abstract

In order to study the relationship between spatial heterogeneities and distribution of plant community

the soil moisture

salt

organic carbon

total nitrogen and total phosphorus were investigated in the Changyi Marine Ecological Special Protection Area in September

2009.The results show that

the water content closely related with dissolved salt content and organic carbon with high coefficiencies(p<0.01).Meanwhile

the organic carbon significantly corelated with total nitrogen(p<0.05)

but not with the total phosphorus.The soil water content and salt content increased from the land to the sea

while the organic carbon

vegetation composition and coverage decreased at the same time. Moving seaward

the species abundance and diversity of plant decreased

evolving from diversified shrubs and herbs dominated by Setaria viridis to predominantly salt-tolerant community of Tamarix chinensis Lour.

Suaeda glauca

and then to mono-species of Suaeda salsa(L.)Pall.

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