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Spatial heterogeneity of demersal fish in the offshore waters of Shandong
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Zhen Wu1, Chongliang Zhang1, 2, 3, Ying Xue1, 2, 3, Yupeng Ji1, 3, Yiping Ren1, 2, 3, Binduo Xu1, 2, 3, *
Haiyang Xuebao | 2022, 44(2) : 21 - 28
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Haiyang Xuebao | 2022, 44(2): 21-28
• Article •
Spatial heterogeneity of demersal fish in the offshore waters of Shandong
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Zhen Wu1, Chongliang Zhang1, 2, 3, Ying Xue1, 2, 3, Yupeng Ji1, 3, Yiping Ren1, 2, 3, Binduo Xu1, 2, 3, *
Affiliations
  • 1. Fisheries College, Ocean University of China, Qingdao 266003, China
  • 2. Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
  • 3. Field Observation and Research Station of Haizhou Bay Fishery Ecosystem, Ministry of Education, Qingdao 266003, China
Published: 2022-02-28 doi: 10.12284/hyxb2022072
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According to the bottom trawl survey data of fishery resources in the offshore waters of Shandong from 2016 to 2017, the spatial autocorrelation and spatial heterogeneity of demersal fish in the offshore waters of Shandong were examined by using spatial autocorrelation indices and variogram. The results showed that there were significant spatial aggregation patterns and spatial autocorrelation in the demersal fish in the offshore waters of Shandong. The spatial autocorrelations were strong in spring, summer and winter, and weak in autumn. From the perspective of spatial distribution, the areas of high relative abundance index of demersal fish were mainly located in the southern waters of Shandong in spring and summer, and areas of high relative abundance greatly decreased in autumn and winter, while the areas of low value were mainly in the Laizhou Bay and adjacent waters in four seasons. The parameters of variogram showed that there was a strong nugget effect in autumn, and the spatial heterogeneity of random part accounted for 76.0% of the total spatial heterogeneity. The spatial heterogeneity of random part in spring, summer and winter only accounted for 26.2%, 27.7% and 23.6% of the total spatial heterogeneity. In the spatial autocorrelation and spatial heterogeneity of demersal fish showed seasonal variation in the offshore waters of Shandong, which was to some extent related with changes in environmental factors such as water temperature.

fishery-independent survey  /  demersal fish  /  spatial autocorrelation  /  variogram  /  spatial heterogeneity
Zhen Wu, Chongliang Zhang, Ying Xue, Yupeng Ji, Yiping Ren, Binduo Xu. Spatial heterogeneity of demersal fish in the offshore waters of Shandong[J]. Haiyang Xuebao, 2022 , 44 (2) : 21 -28 . DOI: 10.12284/hyxb2022072
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Article Info
doi: 10.12284/hyxb2022072
  • Receive Date：2021-08-13
  • Online Date：2026-02-01
  • Published：2022-02-28
Article Data
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History
  • Received：2021-08-13
  • Revised：2021-12-06
Funding
Affiliations
    1. Fisheries College, Ocean University of China, Qingdao 266003, China
    2. Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
    3. Field Observation and Research Station of Haizhou Bay Fishery Ecosystem, Ministry of Education, Qingdao 266003, 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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