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Spatial assessment of cumulative impact on China’s marine ecosystems
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Qutu Jiang1, Jieqiong Ding1, Guanqiong Ye1, *, Jiangning Zeng2
Haiyang Xuebao | 2021, 43(9) : 146 - 156
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Haiyang Xuebao | 2021, 43(9): 146-156
• Article •
Spatial assessment of cumulative impact on China’s marine ecosystems
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Qutu Jiang1, Jieqiong Ding1, Guanqiong Ye1, *, Jiangning Zeng2
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  • 1Ocean College, Zhejiang University, Zhoushan 316021, China
  • 2Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
Published: 2021-09-25 doi: 10.12284/hyxb2021058
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The cumulative human impact assessment of marine ecosystems is an ecological method to scientifically recognize the response and feedback laws of the system to external disturbances. In order to explore and reveal the inherent mechanisms, the region of coastal seas of China as the research scope in this article, selecting 16 ecological factors in four aspects, marine fishery, marine shipping, land-based and offshore pressures, and climate change. And by spatial quantization and standardization, the cumulative exposure and impact assessment of the 9 marine habitat types in the study area are carried out under the 1 km×1 km spatial grid scale. The results show that the cumulative exposure in the study area is generally higher in the coastal seas than in the pelagic, and gradually decreases to the far ocean; the coastal seas ecosystem is mainly affected by land-based pollution and fishing, and overall climate change contributes the most; 22.8% and 7.6% of China’s coastal seas are respectively highly and extremely highly affected, among which the Changjiang River Delta is the most affected by human activities.

China coastal seas  /  human activities  /  marine ecosystems  /  spatial cumulative effects
Qutu Jiang, Jieqiong Ding, Guanqiong Ye, Jiangning Zeng. Spatial assessment of cumulative impact on China’s marine ecosystems[J]. Haiyang Xuebao, 2021 , 43 (9) : 146 -156 . DOI: 10.12284/hyxb2021058
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Year 2021 volume 43 Issue 9
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Article Info
doi: 10.12284/hyxb2021058
  • Receive Date：2020-10-20
  • Online Date：2026-02-26
  • Published：2021-09-25
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History
  • Received：2020-10-20
  • Revised：2021-01-04
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    1Ocean College, Zhejiang University, Zhoushan 316021, China
    2Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, 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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