湖泊沉积物中的迁移和转化特征在从藻类到巨型植物的息地变化下
Xiang Chen1, Yan Wang2, Lan Zhang2
1Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China; The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China.
Journal of hazardous materials
|October 15, 2024
概括
从湖泊沉积物中释放的 (W) 在藻类占主导地位的地区比植物占主导地位的地区更高. 水生植物有效控制释放,为管理这种有毒污染物提供了洞察力.
科学领域:
- 环境化学环境化学
- 水生生态学 水生生态学
- 地质化学 地质化学
背景情况:
- (W) 是一种有毒的污染物,对水生生态系统和人类健康构成风险.
- 关于在各种湖泊沉积物息地中的迁移,人们的了解有限.
研究的目的:
- 评估可溶性 (W), (Mn) 和铁 (Fe) 度的季节性变化.
- 为了研究控制湖泊沉积物中W释放的因素.
主要方法:
- 使用了高分辨率的Peeper采样设备.
- 在夏季湖泊沉积物孔水中分析了可溶性W,Mn和Fe度.
主要成果:
- 与水生植物占主导地位的地区相比,在藻类占主导地位的湖泊沉积物孔水中,可溶性W度和释放流量显著更高.
- 藻类衍生的溶解有机物与W竞争吸附,并促进金属氧化物的减少溶解,促进W的释放.
- 水生植物的吸收和金属氧化物在现场的形成被确定为控制W释放的关键因素.
结论:
- 水生植物在缓解湖泊沉积物中释放方面发挥着至关重要的作用.
- 这些发现为控制浅湖系统中释放提供了科学基础.
相关概念视频
Green Algae
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
Diversity of Protists I
1
Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
1
Speciation Rates
21.1K
Overview
21.1K


