A comprehensive evaluation of ecological isolation zones based on grey fixed-weight clustering
Soil erosion is one of the common disasters in the red soil areas of the mountain plains, and the setting up of ecological isolation zone terraces has become a measure for the integrated management of soil erosion in farming areas. A comprehensive evaluation of the basic community characteristics, s...
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EDP Sciences
2025-01-01
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| Series: | E3S Web of Conferences |
| Online Access: | https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/37/e3sconf_emer2025_01006.pdf |
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| author | Zhang Gengjie Yin Jing Liu Zixin Yang Huijie Liu Shuxia Hu Huiyong |
| author_facet | Zhang Gengjie Yin Jing Liu Zixin Yang Huijie Liu Shuxia Hu Huiyong |
| author_sort | Zhang Gengjie |
| collection | DOAJ |
| description | Soil erosion is one of the common disasters in the red soil areas of the mountain plains, and the setting up of ecological isolation zone terraces has become a measure for the integrated management of soil erosion in farming areas. A comprehensive evaluation of the basic community characteristics, soil nutrients and other influencing factors after the installation of the ecological isolation zone terraces was carried out in 2016 and 2022 in combination with the grey fixed-weight clustering method. The results showed that among the five grey categories of ‘Better’, ‘Good’, ‘Fair’, ‘Poor’ and ‘Worse’, the basic community characteristics in 2022 was in the ‘Poor’ grey category, the soil nutrients was ‘Poor’ and other influencing factors was ‘Good’. The three categories’ maximum grey weighted clustering coefficients were 0.4734, 0.2496 and 0.9171. In 2016, the grey categories for basic community characteristics and soil nutrients were both ‘Worse’, with maximum grey weighted clustering coefficients of 0.8068 and 0.2828 respectively, while the other influencing factors was in the ‘Better’ grey category, with a maximum grey weighted clustering coefficient of 0.5240. Overall, the condition of the ecological isolation zone terraces in 2022 was better than in 2016. In addition, this paper took the prospects on the maintenance of ecological isolation zone terraces, the demand of vegetation for nutrients, the optimisation of the structure of ecological isolation zone terraces, and the construction of an evaluation index system, with a view to providing a theoretical basis and scientific basis for the subsequent establishment of ecological isolation zone terraces and promoting their wide application in agriculture and ecology. |
| format | Article |
| id | doaj-art-a5e9de374cc74a2e9b021d9bc4060368 |
| institution | Kabale University |
| issn | 2267-1242 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | EDP Sciences |
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| series | E3S Web of Conferences |
| spelling | doaj-art-a5e9de374cc74a2e9b021d9bc40603682025-08-20T03:51:08ZengEDP SciencesE3S Web of Conferences2267-12422025-01-016370100610.1051/e3sconf/202563701006e3sconf_emer2025_01006A comprehensive evaluation of ecological isolation zones based on grey fixed-weight clusteringZhang Gengjie0Yin Jing1Liu Zixin2Yang Huijie3Liu Shuxia4Hu Huiyong5Key Laboratory for Improving Quality and Productivity of Arable Land of Yunnan Province, College of Resources and Environment, Yunnan Agricultural UniversityKey Laboratory for Improving Quality and Productivity of Arable Land of Yunnan Province, College of Resources and Environment, Yunnan Agricultural UniversityKey Laboratory for Improving Quality and Productivity of Arable Land of Yunnan Province, College of Resources and Environment, Yunnan Agricultural UniversityKey Laboratory for Improving Quality and Productivity of Arable Land of Yunnan Province, College of Resources and Environment, Yunnan Agricultural UniversityCollege of Water Conservancy and Hydropower Engineering, Yunnan Agricultural UniversityAcademic Affairs Office, Yunnan Agricultural UniversitySoil erosion is one of the common disasters in the red soil areas of the mountain plains, and the setting up of ecological isolation zone terraces has become a measure for the integrated management of soil erosion in farming areas. A comprehensive evaluation of the basic community characteristics, soil nutrients and other influencing factors after the installation of the ecological isolation zone terraces was carried out in 2016 and 2022 in combination with the grey fixed-weight clustering method. The results showed that among the five grey categories of ‘Better’, ‘Good’, ‘Fair’, ‘Poor’ and ‘Worse’, the basic community characteristics in 2022 was in the ‘Poor’ grey category, the soil nutrients was ‘Poor’ and other influencing factors was ‘Good’. The three categories’ maximum grey weighted clustering coefficients were 0.4734, 0.2496 and 0.9171. In 2016, the grey categories for basic community characteristics and soil nutrients were both ‘Worse’, with maximum grey weighted clustering coefficients of 0.8068 and 0.2828 respectively, while the other influencing factors was in the ‘Better’ grey category, with a maximum grey weighted clustering coefficient of 0.5240. Overall, the condition of the ecological isolation zone terraces in 2022 was better than in 2016. In addition, this paper took the prospects on the maintenance of ecological isolation zone terraces, the demand of vegetation for nutrients, the optimisation of the structure of ecological isolation zone terraces, and the construction of an evaluation index system, with a view to providing a theoretical basis and scientific basis for the subsequent establishment of ecological isolation zone terraces and promoting their wide application in agriculture and ecology.https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/37/e3sconf_emer2025_01006.pdf |
| spellingShingle | Zhang Gengjie Yin Jing Liu Zixin Yang Huijie Liu Shuxia Hu Huiyong A comprehensive evaluation of ecological isolation zones based on grey fixed-weight clustering E3S Web of Conferences |
| title | A comprehensive evaluation of ecological isolation zones based on grey fixed-weight clustering |
| title_full | A comprehensive evaluation of ecological isolation zones based on grey fixed-weight clustering |
| title_fullStr | A comprehensive evaluation of ecological isolation zones based on grey fixed-weight clustering |
| title_full_unstemmed | A comprehensive evaluation of ecological isolation zones based on grey fixed-weight clustering |
| title_short | A comprehensive evaluation of ecological isolation zones based on grey fixed-weight clustering |
| title_sort | comprehensive evaluation of ecological isolation zones based on grey fixed weight clustering |
| url | https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/37/e3sconf_emer2025_01006.pdf |
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