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Responses of mangrove associate plant Derris trifoliata to tidal inundation

Abstract

鱼藤是红树林常见攀援类伴生植物,是红树林生态系统的组成部分。抗淹水能力和独特的生长方式影响着它在潮间带的分布规律,并使得鱼藤与红树植物有着密切的联系。本研究根据红树林分布的潮位特征和在潮间带对应的淹水时间,采用室内模拟潮汐淹水控制实验,将正规半日潮条件下的潮间带平均分成7个等级,每个等级的淹水时间间隔2h,在每个潮汐循环的淹水时间分别为:0h(不淹水)、2h、4h、6h、8h、10h和12h,每天完成两个循环。在上述条件下,对鱼藤幼苗进行没顶淹水胁迫处理,同时在每个淹水处理中设置支持物,为鱼藤提供攀援条件。本研究测定了淹水处理2个月后鱼藤幼苗的形态指标、光合参数和各部分的生物量,探讨了鱼藤幼苗...Derris trifoliata, a common mangrove associate climbing plant, is an important component of mangrove ecosystem in China. The ability of inundation adaption and particular growth characteristic of lianas, will impact its growth and distribution pattern along the intertidal zone, which shows a close relationship with mangrove species. In this research, we conducted an indoor simulative experiment to...学位:理学硕士院系专业:生命科学学院生物学系_生态学学号:2172008115268

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