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海草对营养盐的吸收过程及其与附生藻类的竞争机制

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海草床是近岸海域重要的生态系统,具有显著的生态服务功能,但近岸海域的富营养化已对海草床生态系统的结构与功能构成严重威胁.本文从营养盐与海草生长的关系、海草叶片和根部对营养盐的摄取过程、海草与附生藻类的营养盐竞争及其影响等三个方面,综述了海草对营养盐的吸收过程及其与附生藻类的竞争机制.最后提出如下重点研究方向:1)在不同环境条件下,海草叶与根对营养盐摄取的贡献;2)附生藻类对海草生长的影响机制;3)海草营养吸收与竞争的生态环境效应.
Nutrients uptake processes of seagrass and its competition with epiphytic algae
Seagrass bed is an important ecosystem of nearshore system,providing significant ecological service function.However,eutrophication in nearshore waters has posed a serious threat to the structure and function of seagrass bed ecosystem.This study summarized the research progress of nutrient uptake process of seagrass and competition mechanism in three aspects:the relationship between nutrients supply and seagrass growth,nutrient uptake process of leaves and roots,competition with epiphytic algae and its effects.Finally,three research directions in the future were pointed out:1)the nutrients uptake contributions of seagrass leaves and roots in different environmental conditions;2)the impact mechanism of epiphytic algae on the growth processes of seagrass;3)the eco-environmental effects of nutrients uptake and competition processes on seagrass bed ecosystem.

seagrassnutrientsuptakeepiphytic algae

黄驰、张景平、江志坚、黄小平

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中国海洋大学海洋生命学院,山东 青岛 266003

中国科学院南海海洋研究所热带海洋生物资源与生态重点实验室,广东 广州 510301

海草 营养盐 吸收 附生藻类

国家重点基础研究发展计划项目国家重点基础研究发展计划项目中国科学院大学生创新实践训练计划项目

2015CB4529052015CB452902

2017

渔业研究
福建省水产学会 福建省水产研究所

渔业研究

影响因子:0.46
ISSN:1006-5601
年,卷(期):2017.39(3)
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