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Updated: Jul 22, 2025

Laboratory-determined Phosphorus Flux from Lake Sediments as a Measure of Internal Phosphorus Loading
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在加拿大湖泊中沉积成分的变化

Mauro B de Toledo1, Helen M Baulch1

  • 1School of Environment and Sustainability, University of Saskatchewan, Saskatoon, SK, Canada; Global Institute for Water Security, University of Saskatchewan, 11 Innovation Blvd, Saskatoon, SK, S7N 3H5, Canada.

Environmental research
|July 24, 2023
PubMed
概括

沉积物 (P) 形式在加拿大湖泊中各不相同,受流域土壤和湖泊化学的影响. 了解这些P分数是预测内部P负荷和湖水质量的关键.

关键词:
加拿大湖泊 加拿大湖泊湖泊环氧化 湖泊环氧化湖泊沉积物的沉积物.景观岩石技术 景观岩石技术生物地质化学生物地质化学的顺序分离法 的顺序分离法

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The Phosphorus Cycle01:21

The Phosphorus Cycle

Unlike carbon, water, and nitrogen, phosphorus is not present in the atmosphere as a gas. Instead, most phosphorus in the ecosystem exists as compounds, such as phosphate ions (PO43-), found in soil, water, sediment and rocks. Phosphorus is often a limiting nutrient (i.e., in short supply). Consequently, phosphorus is added to most agricultural fertilizers, which can cause environmental problems related to runoff in aquatic ecosystems.
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