2025年冬季中国沿海水域的表面营养物质
Chaofeng Wang1, Jiaxuan Ni2, Xiaoyu Wang3
1State Key Laboratory of Mariculture Breeding, Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, College of Marine Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
Marine environmental research
|August 21, 2025
概括
在中国的沿海水域, 东中国海的营养含量很高,而南中国海的含量很低,波海的含量也很低,
科学领域:
- 海洋化学
- 海洋学
- 生物地质化学
背景情况:
- 营养素对海洋生态系统至关重要.
- 了解营养分布对于生态系统健康评估至关重要.
研究的目的:
- 研究中国沿海水域营养物质分布的空间异质性.
- 确定影响营养水平和结构的控制因素.
主要方法:
- 在中国沿海水域采样 (2025年1月).
- 营养物质度 (酸盐,酸盐) 和比例的分析.
- 评估区域差异和影响环境因素.
主要成果:
- 观察到营养度和结构的显著区域差异.
- 东中国海:酸 (NO3-N),酸 (PO4-P) 和酸 (SiO3-Si) 的含量最高.
- 南中国海:营养水平最低,缺标志.
- 波海:缺乏的特征 (DIN:PO4-P比率升高).
结论:
- 营养物质的分布受海洋特征,海流 (如台湾热流),水交换 (博海海) 和重要河流输入的影响.
- 这些发现为评估中国沿海地区的营养限制和肥胖风险提供了基础.
更多相关视频
05:04Author Spotlight: Understanding Riverine Nitrogen Impacts and Primary Productivity for Effective Nutrient Management
Published on: July 14, 2023
477
08:15Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression
Published on: July 28, 2023
1.4K
相关概念视频
01:06Primary Production
23.9K
The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.
23.9K
01:19Quality of Water
188
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
188
01:11Buoyancy and Stability for Submerged and Floating Bodies
2.0K
In fluid mechanics, buoyancy and stability are key concepts for understanding the behavior of submerged and floating bodies. When a stationary body is fully or partially submerged in a fluid, the fluid exerts a force on the body known as the buoyant force. This force acts vertically upward through a point called the center of buoyancy, which is the center of the displaced fluid volume. According to Archimedes' principle, the magnitude of the buoyant force is equal to the weight of the fluid...
2.0K