| 不同颜色聚碳酸酯塑料对附着藻类生长和群落结构的影响 |
| 摘要点击 1587 全文点击 1568 投稿时间：2022-03-22 修订日期：2022-04-21 |
| 查看HTML全文
查看全文 查看/发表评论 下载PDF阅读器 |
| 中文关键词 附着藻类|附着基质|聚碳酸酯塑料|颜色|群落结构 |
| 英文关键词 periphytic algae|substrates|polycarbonate plastic|colors|community structure |
| 作者 | 单位 | E-mail | | 王梦雪 | 上海海洋大学水产与生命学院农业农村部鱼类营养与环境生态研究中心, 上海 201306
上海海洋大学水产与生命学院环境DNA技术与水生态健康评估工程中心, 上海 201306 | aquawangmx@163.com | | 尹思成 | 上海海洋大学水产与生命学院农业农村部鱼类营养与环境生态研究中心, 上海 201306
上海海洋大学水产与生命学院环境DNA技术与水生态健康评估工程中心, 上海 201306 | | | 王振方 | 上海海洋大学水产与生命学院农业农村部鱼类营养与环境生态研究中心, 上海 201306
上海海洋大学水产与生命学院环境DNA技术与水生态健康评估工程中心, 上海 201306 | | | 陈锦贤 | 上海海洋大学水产与生命学院农业农村部鱼类营养与环境生态研究中心, 上海 201306
上海海洋大学水产与生命学院环境DNA技术与水生态健康评估工程中心, 上海 201306 | | | 张玮 | 上海海洋大学水产与生命学院农业农村部鱼类营养与环境生态研究中心, 上海 201306
上海海洋大学水产与生命学院环境DNA技术与水生态健康评估工程中心, 上海 201306 | weizhang@shou.edu.cn | | 王丽卿 | 上海海洋大学水产与生命学院农业农村部鱼类营养与环境生态研究中心, 上海 201306
上海海洋大学水产与生命学院环境DNA技术与水生态健康评估工程中心, 上海 201306 | lqwang@shou.edu.cn |
|
| 中文摘要 |
| 附着藻类是水体重要的初级生产者,在维持水体生态功能和水质净化方面具有重要的作用.前期研究表明塑料是良好的附着藻类着生基质,不同塑料材质对附着藻类定植影响不同,但有关塑料颜色对附着藻类生长影响的研究还鲜见报道.以不同颜色的聚碳酸酯塑料(PC)为附着基质,通过测定附着藻类的生物量、光合作用活力和群落组成等,探究其对附着藻类生长和群落结构的影响.结果表明,整个实验周期内,茶色PC塑料会抑制附着藻类的生长,该组叶绿素a和干重含量显著低于其他实验组.绿色PC塑料会抑制附着藻类的光合活力,该组的实际光合效率(Yield)显著低于其他实验组.不同颜色PC塑料对附着藻类影响主要在前期定植/发育阶段,后期群落成熟时影响不显著.实验第7 d,透明PC塑料组和绿色PC塑料组附着藻类的群落组成有显著差异;第25 d和第40 d,各实验组的附着藻类的群落结构趋同,无显著差异.实验初期(第7 d),各实验组的优势属为蓝藻门伪鱼腥藻属,中后期(第25 d和40 d)为绿藻门转板藻属.本研究初步探讨了不同颜色的PC塑料对附着藻类生长和群落发育的影响,可为利用周丛生物技术开展水污染治理时,挑选合适颜色的附着基质,提供参考资料. |
| 英文摘要 |
| Periphytic algae are important primary producers in water bodies, which play an important role in maintaining ecological function and water purification. Previous studies have shown that plastic is a good substrate for periphytic algae, and different plastic materials have different effects on the colonization of periphytic algae; however, there are few reports on the effects of plastic color on the growth of periphytic algae. In this study, polycarbonate plastic (PC) of various colors were used as the substrate to study the effects of different colors on the growth and community structure of periphytic algae by measuring the biomass, photosynthetic activity, and community composition. The results showed that the growth of periphytic algae was inhibited by the brown PC plastic, and the contents of chlorophyll a and dry weight in this group were significantly lower than those in other groups. Green PC plastic inhibited the photosynthetic activity of periphytic algae, and the actual photosynthetic efficiency (Yield) of the group was significantly lower than that of the other groups. The influence of PC plastic with different colors on periphytic algae occurred mainly in the early colonization/development stage but was not significant in the late community maturity stage. On day seven of the experiment, the community composition of periphytic algae was significantly different between the transparent PC plastic group and the green PC plastic group. By contrast, on days 25 and 40, there were no significant differences in the community structure of periphytic algae. In the early stage of the experiment, the dominant genus was Pseudoranea (Cyanophyta), and in the middle and mature stages, the dominant genus was Mougeotia (Chlorophyta). In this study, the effects of different colors of polycarbonate plastics on periphytic algae were investigated, which provided new insights for selecting suitable substrates for water pollution treatment by using periphyton biotechnology. |
|
|
|
