摘要
水生植物是水生态系统的重要组成部分,是生物膜的天然载体,水生植被的恢复有利于提高水体生物膜面积。与非生物介质相比,水生植物与微生物间存在附着互作机制,一方面水生植物能为微生物提供附着场所和营养物质,其产生的化感物质对附着微生物的种类和数量有影响;另一方面,附着微生物也会对水生植物生长产生促进或遏制作用。另外,指出水流和水质对水生植物及生物膜的形成、结构以及群落组成产生重要影响;水生植物和生物膜作为一个复杂互作体系,是水体生态系统的基本单位,相关植物表面-表面生物膜体系特征及其对水体中碳、氮等要素的转化及污染物的去除机制相关研究,将是今后水生态研究过程中的重点方向之一。
Being the key component of aquatic ecosystem, the aquatic macrophyte is a natural cartier of biofilm. The restoration of aquatic macrophyte contributes to the increase of water area of biofilm. Compared with the non- biological medium, there were a complex interaction mechanism between the aquatic macrophyte and the microbe. On one hand, aquatic macrophyte provide the attachment sites and nutrients for the microbe, and the allelochemicals emerged from the aquatic macrophyte have an effect on the types and quantity of attached microbe; on the other hand, the attached microbe can promote or restrain the growth of aquatic macrophyte. Additionally, flow and water quality can have important effects on the formation, structure and the composition of community of aquatic macrophyte and biofilm. As a complex interaction system, aquatic macrophyte and biofilm is the fundamental unit of water ecosystem. The study on the characteristics of plant surface-surface biofilm system and its role on the transformation of carbon, nitrogen and other elements in water, and the pollutants removal mechanism should be one of the directions of water ecological research in the future.
出处
《水资源保护》
CAS
CSCD
2015年第2期20-25,共6页
Water Resources Protection
基金
国家自然科学基金(51379063)
江苏省自然科学基金(BK2012413)
关键词
生物膜
水生植物
水流
生态效应
互作机制
biofilm
aquatic plants
flow
ecological effect
interaction mechanism
作者简介
吕小央（1991-），女，硕士研究生，研究方向为生态修复工程。E-mail：xiaoyang91414@163．com
张松贺，副教授。E-mail：shzhang@hhu．edu．cn
