HCO3-Ca型岩溶湖附着藻类生长对沉水植物退化的驱动研究

doi:10.14088/j.cnki.issn0439-8114.2023.04.004

湖北农业科学 ›› 2023, Vol. 62 ›› Issue (4): 20-26.doi: 10.14088/j.cnki.issn0439-8114.2023.04.004

HCO₃-Ca型岩溶湖附着藻类生长对沉水植物退化的驱动研究

柴晓贞¹, 刘书敏²

1.滨州市海洋发展研究院,山东滨州 256699;
2.同济大学, 上海 200092

收稿日期:2021-10-25 出版日期:2023-04-25 发布日期:2023-05-12
作者简介:柴晓贞（1976-）,女,山东邹平人,助理研究员,硕士,主要从事健康养殖产业技术研发推广研究,（电话）13563055030（电子信箱）chaixz@163.com。

Study on the driving effect of attached algae growth on the degradation of submerged macrophytes in HCO₃-Ca karst lake

CHAI Xiao-zhen¹, LIU Shu-min²

1. Binzhou Marine Development Research Institute, Binzhou 256699, Shandong, China;
2. Tongji University, Shanghai 200092, China

Received:2021-10-25 Online:2023-04-25 Published:2023-05-12

摘要/Abstract

摘要： 以典型HCO₃-Ca型沉水植被退化岩溶湖灵水湖为研究对象,通过实验室模拟设置外加Ca²⁺、HCO₃^-浓度梯度试验,探究不同氮磷营养盐浓度水平下沉水植物附着藻类叶绿素a的浓度变化情况。结果表明,在不同分组中,只添加Ca²⁺或HCO₃^-可以促进不同氮磷营养盐水平下藻类叶绿素a浓度的上升,同时添加Ca²⁺和HCO₃^-也显著促进了附着藻类的生长,且呈随着氮磷营养盐浓度水平的升高而上升的趋势。

关键词: 岩溶水生态系统, 沉水植物退化, 附着藻类, 灵水湖

Abstract: Taking Lingshui Lake, a typical HCO₃-Ca type submerged vegetation degraded karst lake, as the research object, through the laboratory simulation experiment of adding Ca²⁺ and HCO₃^- concentration gradient, the change of chlorophyll a concentration of submerged macrophytes attached algae under different nitrogen and phosphorus nutrient concentration levels was explored. The results showed that adding only Ca²⁺ or HCO₃^- in different groups could promote the increase of algae chlorophyll a concentration under different nitrogen and phosphorus nutrient levels. Adding Ca²⁺ and HCO₃^- in different groups also significantly promoted the growth of attached algae, and showed an increasing trend with the increase of nitrogen and phosphorus nutrient concentration.

Key words: karst water ecosystem, degradation of submerged macrophytes, attached algae, Lingshui Lake

中图分类号:

柴晓贞, 刘书敏. HCO₃-Ca型岩溶湖附着藻类生长对沉水植物退化的驱动研究[J]. 湖北农业科学, 2023, 62(4): 20-26.

CHAI Xiao-zhen, LIU Shu-min. Study on the driving effect of attached algae growth on the degradation of submerged macrophytes in HCO₃-Ca karst lake[J]. HUBEI AGRICULTURAL SCIENCES, 2023, 62(4): 20-26.

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HCO₃-Ca型岩溶湖附着藻类生长对沉水植物退化的驱动研究

Study on the driving effect of attached algae growth on the degradation of submerged macrophytes in HCO₃-Ca karst lake

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