深圳福田无瓣海桑与海桑人工林鸟类群落研究及生态评价

报道深圳福田无瓣海桑＋海桑人工林和天然林树林鸟类群落的组成特征、密度、相似性、生物多样性等方面的调查研究结果。并通过比较的方法，从鸟类群落学的角度，对无瓣海桑＋海桑人工林的生态功能进行了初步分析和评价。认为：从目前情况看，无瓣海桑和海桑作为深圳沿海人工造林的主要引进树种，对原有红树林生态系统的结构和功能暂时没有不利影响，对尽快恢复和发展红树林地的面积，提高原有红树林生态系统的生物多样性具有积极的作用。建议：①必须采取有效措施防止生态的入侵；②在大面积种植无瓣海桑＋海桑人工林时间种适当面积的当地红树树种。

The Birds Community and Ecological Evaluation of Sonneration apetala + Sonneration casedaris Mangrove Plantation

The composite feature,density,similarity and species diversity etc.of the natural mangrove forest and the Sonneration apetala + S.caseolaris mangrove plantation are reported.The ecological function of this mangrove plantation is analyzed and evaluated from the birds community compared with the natural mangrove forest.The results are as the follows.It is not harmful effects on the structure and function of the natural mangrove that the exotic S.apetala and S.caseolaris is used as main afforestation species in Shenzhen bays.On the contrary,it raise the biodiversity of the mangrove ecological system and increased the areas of mangrove.Additionally,the paper suggests that some effective measures to guard against ecological intrusion of S.apetala and S.caseolaris should be used.