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Anthropogenic inputs of nutrients to coastal ecosystem and mitigation actions
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Juying Wang1, Nan Zheng1, Deyi Ma2
Haiyang Xuebao | 2020, 42(6) : 1 - 8
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Haiyang Xuebao | 2020, 42(6): 1-8
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Anthropogenic inputs of nutrients to coastal ecosystem and mitigation actions
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Juying Wang1, Nan Zheng1, Deyi Ma2
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  • 1 Key Laboratory for Coastal Ecological Environment, National Marine Environmental Monitoring Center, Dalian 116023, China
  • 2 First Institute of Oceanography, Ministry of Natural Resource, Qingdao 266061, China
Published: 2020-06-25 doi: 10.3969/j.issn.0253-4193.2020.06.001
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Currently, the global nitrogen and phosphorus cycles are out of balance due to anthropogenic activities which produce a large amount of reactive nitrogen and phosphorus annually. The incremental N and P are mainly derived from production and application of synthetic N fertilizers, manure application, large areas of cultivated leguminous crops that could fix atmospheric N2, and NOx emitted from fossil fuel combustion. It should be noted that crop and livestock production systems are the major cause of human alteration of the global N and P cycles. Increased human sewage and fertilizer application in agricultural production have significantly raised the inputs of N and P nutrients to coastal ecosystems leading to a global spread of eutrophication. Most of these inputs are transported to the coastal ocean via river runoff and atmospheric deposition. More than half of the incremental N and P loads are related to anthropogenic sources. The Baltic Sea and East China Sea present typical eutrophication condition in developed country and developing country respectively. The mitigation strategies should focus on dual nutrient strategy for successful N and P reduction, including reduction of leaching and runoff from agricultural fields, growing perennial crops, effective application of fertilizers, and planting winter cover crops.

nutrients input  /  eutrophication  /  anthropogenic activity  /  fertilizer application  /  agricultural activity  /  mitigation strategy
Juying Wang, Nan Zheng, Deyi Ma. Anthropogenic inputs of nutrients to coastal ecosystem and mitigation actions[J]. Haiyang Xuebao, 2020 , 42 (6) : 1 -8 . DOI: 10.3969/j.issn.0253-4193.2020.06.001
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Article Info
doi: 10.3969/j.issn.0253-4193.2020.06.001
  • Receive Date：2019-12-28
  • Online Date：2026-03-26
  • Published：2020-06-25
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  • Received：2019-12-28
  • Revised：2020-03-22
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Affiliations
    1 Key Laboratory for Coastal Ecological Environment, National Marine Environmental Monitoring Center, Dalian 116023, China
    2 First Institute of Oceanography, Ministry of Natural Resource, Qingdao 266061, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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