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当前位置: 首页 > 文章 > 海南东寨港不同潮间带角果木种群结构及分布格局 热带生物学报 2015,6 (4) 388-396
Position: Home > Articles > Structure and Distribution Patterns of Ceriops tagal Populations at Different Tidal Zones of Dongzhaigang Harbor,Hainan Journal of Tropical Biology 2015,6 (4) 388-396

海南东寨港不同潮间带角果木种群结构及分布格局

作  者：
张育霞;吕晓波;杨小波;李东海;李英英;罗文启;熊梦辉;邢莎莎;朱静
单  位：
海南大学园艺园林学院;海南大学热带作物种质资源保护与开发利用教育部重点实验室
关键词：
种群结构;分布格局;角果木;潮间带;东寨港
摘  要：
潮汐浸淹是影响红树植物分布的最重要因素之一,笔者从基径、高度、冠幅及分布密度等方面比较分析了海南东寨港不同潮间带的角果木种群特征。结果表明,不同潮间带的角果木因潮水浸淹程度各异:(1)不同潮间带的角果木种群幼苗比例均最大,属稳定型种群或稳定增长型种群,但密度差异悬殊:外带986株·hm~(-2)、中带43 873株·hm~(-2)、内带141 360株·hm~(-2);(2)不同潮间带的角果木种群基径、冠幅相差不大,但高度差异显著:从内带至外带,角果木种群在高度整体上呈现出变高的趋势;(3)外带角果木种群偏向于随机分布,中带和内带角果木种群为聚集分布;(4)在种群格局动态方面,外带苗木阶段为聚集分布,小树和成年树均为随机分布,但中带和内带的角果木的苗木和小树呈聚集分布,成年树为随机分布。
译  名：
Structure and Distribution Patterns of Ceriops tagal Populations at Different Tidal Zones of Dongzhaigang Harbor,Hainan
作  者：
ZHANG Yuxia;LYU Xiaobo;YANG Xiaobo;LI Donghai;LI Yingying;LUO Wenqi;XIONG Menghui;XING Shasha;ZHU Jing;LIN Zeqin;CEN Juren;GUO Zhaobin;Hainan University / Ministry of Education Key Laboratory of Protection,Development and Utilization of Tropical Crop Germplasm Resources;College of Horticulture and Landscape Architecture,Hainan University;Hainan Research Institute of Forestry;
关键词：
population structure;;distribution pattern;;Ceriops tagal;;tidal zone;;Dongzhaigang Harbor
摘  要：
Tidal flooding is one of the most important factors that affect the regional distribution of mangrove plants. The basal stem diameter,height,crown,density and spatial distribution patterns of Ceriops tagal populations in different tidal zones of Dongzhaigang Harbour in Hainan Island were observed and determined for comparative analysis. C. tagal populations among different tidal zones were found different obviously in the population structure,distribution and distribution pattern as the extent of tidal flooding varied. The seedling populations of C. tagal had the highest proportion in all the tidal zones and grew as stable or steady-growing populations,but their densities were highly different: 986 plants / hm~(2) in the external tidal zone,43 873 plants / hm~(2) in the middle tidal zone,and 141 360 plants / hm~(2) in the inner tidal zone. The basal stem diameter and the crown structure of the C. tagal populations were not obviously different,but the height was obviously different: C. tagal populations tended to grow higher from the inner to the external tide zones. C. tagal populations tended to be distributed randomly and were aggregately distributed in the middle and inner tidal zones. For the dynamics of spatial distribution patterns of the C. tagal populations the seedlings were aggregately distributed while the young and mature trees were scattered randomly in the external tidal zone,but the seedlings and young trees were aggregately distributed and the mature trees randomly distributed in both the middle and inner tidal zones.

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