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Spatial and temporal heterogeneity of net primary productivity and landscape patterns on five northern islands of Miaodao Archipelago
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Liting Yin1, 4, Wei Zheng2, 3, *, Meng Gao1, Jingfang Lu2, 3
Haiyang Xuebao | 2020, 42(6) : 110 - 118
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Haiyang Xuebao | 2020, 42(6): 110-118
• Marine Biology •
Spatial and temporal heterogeneity of net primary productivity and landscape patterns on five northern islands of Miaodao Archipelago
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Liting Yin1, 4, Wei Zheng2, 3, *, Meng Gao1, Jingfang Lu2, 3
Affiliations
  • 1 Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
  • 2 First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
  • 3 Laboratory for Marine Geology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
  • 4 University of Chinese Academy of Sciences, Beijing 100049, China
Published: 2020-06-25 doi: 10.3969/j.issn.0253-4193.2020.06.013
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In this paper, the net primary productivity (NPP) of the northern islands of Miaodao Archipelago in 2005, 2010 and 2017 was estimated by using ArcGIS10.2, ENVI5.1, SPSS26 and other software based on the classic CASA model, and analyzed the spatial-temporal heterogeneity of NPP from the perspectives of season, individual of island, landscape type, terrain gradient, and then analyzed the spatial-temporal heterogeneity of the landscape pattern of the five northern islands in 2005, 2010 and 2017. The relationships between them and the reasons were discussed. The results showed that: the total NPP for the five northern islands of Miaodao Archipelago was 7 520.54 t/a in terms of carbon; the mean density of NPP was 406.07 g/(m2·a) in terms of carbon; the distribution of NPP showed a significant spatial-temporal heterogeneity; the order of the average area of each landscape type from largest to smallest was coniferous forest, broad-leaved forest, construction land, grassland, arable land; the mean density of NPP from largest to smallest was broad-leaved forest, coniferous forest, arable land, grassland, construction land; the mean density of NPP of each landscape increased first with the increase of slope and height difference, and then decreased slowly; the aspect had a great influence on the NPP of forest, and the mean density of NPP of half shady slope is the largest; the annual mean density of NPP of different terrain gradients decreased with the time; the high value of NPP appeared in the mountainous area, and the low value of NPP is mainly in the flat area; due to the natural geographical conditions and the plant growth strip, the distribution of NPP was influenced by season, geographical location and landscape type.

five northern islands of Miaodao Archipelago  /  net primary productivity (NPP)  /  spatio-temporal heterogeneity  /  landscape analysis
Liting Yin, Wei Zheng, Meng Gao, Jingfang Lu. Spatial and temporal heterogeneity of net primary productivity and landscape patterns on five northern islands of Miaodao Archipelago[J]. Haiyang Xuebao, 2020 , 42 (6) : 110 -118 . DOI: 10.3969/j.issn.0253-4193.2020.06.013
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Article Info
doi: 10.3969/j.issn.0253-4193.2020.06.013
  • Receive Date：2019-10-16
  • Online Date：2026-03-26
  • Published：2020-06-25
Article Data
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History
  • Received：2019-10-16
  • Revised：2020-03-03
Funding
Affiliations
    1 Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
    2 First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
    3 Laboratory for Marine Geology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
    4 University of Chinese Academy of Sciences, Beijing 100049, 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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