The land ecological evolutional patterns in the source areas of the Yangtze and Yellow Rivers in the past 15 years, China
Abstract Based on land ecological classification of the source regions of the Yangtze and Yellow Rivers and field investigation, two phases of TM remote sensing data obtained in 1986 and 2000 were compared. From spatial variations and type transformation trends, the spatial changes and evolutional p...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Qian, Ju [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2006 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science + Business Media, Inc. 2006 |
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| Übergeordnetes Werk: |
Enthalten in: Environmental monitoring and assessment - Kluwer Academic Publishers, 1981, 116(2006), 1-3 vom: Mai, Seite 137-156 |
|---|---|
| Übergeordnetes Werk: |
volume:116 ; year:2006 ; number:1-3 ; month:05 ; pages:137-156 |
| Links: |
|---|
| DOI / URN: |
10.1007/s10661-006-7232-2 |
|---|
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OLC2073720447 |
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| 520 | |a Abstract Based on land ecological classification of the source regions of the Yangtze and Yellow Rivers and field investigation, two phases of TM remote sensing data obtained in 1986 and 2000 were compared. From spatial variations and type transformation trends, the spatial changes and evolutional patterns of land ecosystem in the source regions of the two rivers were analyzed using the analytical method of landscape ecological spatial patterns. Results show that middle and high-cover high-cold steppe areas degraded considerably by 15.82%, high-cover high-cold meadow areas by 5.15%, while high-cold swamp meadow areas decreased by 24.36%. Lake water area was reduced by 7.5%, especially the lakes in the source region of the Yangtze River. Land desertification is developing rapidly and the average of desertified land area has increased by 17.11%. Desertified land in the source region of Yellow River is expanding at an annual rate of 1.83%. Analysis of the evolutional pattern of land ecotypes shows that the general tendencies of spatial evolution in the regions are coverage reduction and desertification of high-cold steppe, cover reduction and steppification of high-cold meadows, and desiccation of swamp meadows. As a result, land ecological spatial distribution pattern in the region is changing and the state of eco-environment declining. | ||
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10.1007/s10661-006-7232-2 doi (DE-627)OLC2073720447 (DE-He213)s10661-006-7232-2-p DE-627 ger DE-627 rakwb eng 333.7 VZ Qian, Ju verfasserin aut The land ecological evolutional patterns in the source areas of the Yangtze and Yellow Rivers in the past 15 years, China 2006 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science + Business Media, Inc. 2006 Abstract Based on land ecological classification of the source regions of the Yangtze and Yellow Rivers and field investigation, two phases of TM remote sensing data obtained in 1986 and 2000 were compared. From spatial variations and type transformation trends, the spatial changes and evolutional patterns of land ecosystem in the source regions of the two rivers were analyzed using the analytical method of landscape ecological spatial patterns. Results show that middle and high-cover high-cold steppe areas degraded considerably by 15.82%, high-cover high-cold meadow areas by 5.15%, while high-cold swamp meadow areas decreased by 24.36%. Lake water area was reduced by 7.5%, especially the lakes in the source region of the Yangtze River. Land desertification is developing rapidly and the average of desertified land area has increased by 17.11%. Desertified land in the source region of Yellow River is expanding at an annual rate of 1.83%. Analysis of the evolutional pattern of land ecotypes shows that the general tendencies of spatial evolution in the regions are coverage reduction and desertification of high-cold steppe, cover reduction and steppification of high-cold meadows, and desiccation of swamp meadows. As a result, land ecological spatial distribution pattern in the region is changing and the state of eco-environment declining. source region land ecology spatial distribution evolutional pattern Yangtze and Yellow Rivers Wang, Genxu aut Ding, Yongjian aut Liu, Shiyin aut Enthalten in Environmental monitoring and assessment Kluwer Academic Publishers, 1981 116(2006), 1-3 vom: Mai, Seite 137-156 (DE-627)130549649 (DE-600)782621-7 (DE-576)476125413 0167-6369 nnns volume:116 year:2006 number:1-3 month:05 pages:137-156 https://doi.org/10.1007/s10661-006-7232-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OLC-IBL GBV_ILN_22 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 AR 116 2006 1-3 05 137-156 |
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10.1007/s10661-006-7232-2 doi (DE-627)OLC2073720447 (DE-He213)s10661-006-7232-2-p DE-627 ger DE-627 rakwb eng 333.7 VZ Qian, Ju verfasserin aut The land ecological evolutional patterns in the source areas of the Yangtze and Yellow Rivers in the past 15 years, China 2006 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science + Business Media, Inc. 2006 Abstract Based on land ecological classification of the source regions of the Yangtze and Yellow Rivers and field investigation, two phases of TM remote sensing data obtained in 1986 and 2000 were compared. From spatial variations and type transformation trends, the spatial changes and evolutional patterns of land ecosystem in the source regions of the two rivers were analyzed using the analytical method of landscape ecological spatial patterns. Results show that middle and high-cover high-cold steppe areas degraded considerably by 15.82%, high-cover high-cold meadow areas by 5.15%, while high-cold swamp meadow areas decreased by 24.36%. Lake water area was reduced by 7.5%, especially the lakes in the source region of the Yangtze River. Land desertification is developing rapidly and the average of desertified land area has increased by 17.11%. Desertified land in the source region of Yellow River is expanding at an annual rate of 1.83%. Analysis of the evolutional pattern of land ecotypes shows that the general tendencies of spatial evolution in the regions are coverage reduction and desertification of high-cold steppe, cover reduction and steppification of high-cold meadows, and desiccation of swamp meadows. As a result, land ecological spatial distribution pattern in the region is changing and the state of eco-environment declining. source region land ecology spatial distribution evolutional pattern Yangtze and Yellow Rivers Wang, Genxu aut Ding, Yongjian aut Liu, Shiyin aut Enthalten in Environmental monitoring and assessment Kluwer Academic Publishers, 1981 116(2006), 1-3 vom: Mai, Seite 137-156 (DE-627)130549649 (DE-600)782621-7 (DE-576)476125413 0167-6369 nnns volume:116 year:2006 number:1-3 month:05 pages:137-156 https://doi.org/10.1007/s10661-006-7232-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OLC-IBL GBV_ILN_22 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 AR 116 2006 1-3 05 137-156 |
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10.1007/s10661-006-7232-2 doi (DE-627)OLC2073720447 (DE-He213)s10661-006-7232-2-p DE-627 ger DE-627 rakwb eng 333.7 VZ Qian, Ju verfasserin aut The land ecological evolutional patterns in the source areas of the Yangtze and Yellow Rivers in the past 15 years, China 2006 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science + Business Media, Inc. 2006 Abstract Based on land ecological classification of the source regions of the Yangtze and Yellow Rivers and field investigation, two phases of TM remote sensing data obtained in 1986 and 2000 were compared. From spatial variations and type transformation trends, the spatial changes and evolutional patterns of land ecosystem in the source regions of the two rivers were analyzed using the analytical method of landscape ecological spatial patterns. Results show that middle and high-cover high-cold steppe areas degraded considerably by 15.82%, high-cover high-cold meadow areas by 5.15%, while high-cold swamp meadow areas decreased by 24.36%. Lake water area was reduced by 7.5%, especially the lakes in the source region of the Yangtze River. Land desertification is developing rapidly and the average of desertified land area has increased by 17.11%. Desertified land in the source region of Yellow River is expanding at an annual rate of 1.83%. Analysis of the evolutional pattern of land ecotypes shows that the general tendencies of spatial evolution in the regions are coverage reduction and desertification of high-cold steppe, cover reduction and steppification of high-cold meadows, and desiccation of swamp meadows. As a result, land ecological spatial distribution pattern in the region is changing and the state of eco-environment declining. source region land ecology spatial distribution evolutional pattern Yangtze and Yellow Rivers Wang, Genxu aut Ding, Yongjian aut Liu, Shiyin aut Enthalten in Environmental monitoring and assessment Kluwer Academic Publishers, 1981 116(2006), 1-3 vom: Mai, Seite 137-156 (DE-627)130549649 (DE-600)782621-7 (DE-576)476125413 0167-6369 nnns volume:116 year:2006 number:1-3 month:05 pages:137-156 https://doi.org/10.1007/s10661-006-7232-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OLC-IBL GBV_ILN_22 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 AR 116 2006 1-3 05 137-156 |
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10.1007/s10661-006-7232-2 doi (DE-627)OLC2073720447 (DE-He213)s10661-006-7232-2-p DE-627 ger DE-627 rakwb eng 333.7 VZ Qian, Ju verfasserin aut The land ecological evolutional patterns in the source areas of the Yangtze and Yellow Rivers in the past 15 years, China 2006 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science + Business Media, Inc. 2006 Abstract Based on land ecological classification of the source regions of the Yangtze and Yellow Rivers and field investigation, two phases of TM remote sensing data obtained in 1986 and 2000 were compared. From spatial variations and type transformation trends, the spatial changes and evolutional patterns of land ecosystem in the source regions of the two rivers were analyzed using the analytical method of landscape ecological spatial patterns. Results show that middle and high-cover high-cold steppe areas degraded considerably by 15.82%, high-cover high-cold meadow areas by 5.15%, while high-cold swamp meadow areas decreased by 24.36%. Lake water area was reduced by 7.5%, especially the lakes in the source region of the Yangtze River. Land desertification is developing rapidly and the average of desertified land area has increased by 17.11%. Desertified land in the source region of Yellow River is expanding at an annual rate of 1.83%. Analysis of the evolutional pattern of land ecotypes shows that the general tendencies of spatial evolution in the regions are coverage reduction and desertification of high-cold steppe, cover reduction and steppification of high-cold meadows, and desiccation of swamp meadows. As a result, land ecological spatial distribution pattern in the region is changing and the state of eco-environment declining. source region land ecology spatial distribution evolutional pattern Yangtze and Yellow Rivers Wang, Genxu aut Ding, Yongjian aut Liu, Shiyin aut Enthalten in Environmental monitoring and assessment Kluwer Academic Publishers, 1981 116(2006), 1-3 vom: Mai, Seite 137-156 (DE-627)130549649 (DE-600)782621-7 (DE-576)476125413 0167-6369 nnns volume:116 year:2006 number:1-3 month:05 pages:137-156 https://doi.org/10.1007/s10661-006-7232-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OLC-IBL GBV_ILN_22 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 AR 116 2006 1-3 05 137-156 |
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10.1007/s10661-006-7232-2 doi (DE-627)OLC2073720447 (DE-He213)s10661-006-7232-2-p DE-627 ger DE-627 rakwb eng 333.7 VZ Qian, Ju verfasserin aut The land ecological evolutional patterns in the source areas of the Yangtze and Yellow Rivers in the past 15 years, China 2006 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science + Business Media, Inc. 2006 Abstract Based on land ecological classification of the source regions of the Yangtze and Yellow Rivers and field investigation, two phases of TM remote sensing data obtained in 1986 and 2000 were compared. From spatial variations and type transformation trends, the spatial changes and evolutional patterns of land ecosystem in the source regions of the two rivers were analyzed using the analytical method of landscape ecological spatial patterns. Results show that middle and high-cover high-cold steppe areas degraded considerably by 15.82%, high-cover high-cold meadow areas by 5.15%, while high-cold swamp meadow areas decreased by 24.36%. Lake water area was reduced by 7.5%, especially the lakes in the source region of the Yangtze River. Land desertification is developing rapidly and the average of desertified land area has increased by 17.11%. Desertified land in the source region of Yellow River is expanding at an annual rate of 1.83%. Analysis of the evolutional pattern of land ecotypes shows that the general tendencies of spatial evolution in the regions are coverage reduction and desertification of high-cold steppe, cover reduction and steppification of high-cold meadows, and desiccation of swamp meadows. As a result, land ecological spatial distribution pattern in the region is changing and the state of eco-environment declining. source region land ecology spatial distribution evolutional pattern Yangtze and Yellow Rivers Wang, Genxu aut Ding, Yongjian aut Liu, Shiyin aut Enthalten in Environmental monitoring and assessment Kluwer Academic Publishers, 1981 116(2006), 1-3 vom: Mai, Seite 137-156 (DE-627)130549649 (DE-600)782621-7 (DE-576)476125413 0167-6369 nnns volume:116 year:2006 number:1-3 month:05 pages:137-156 https://doi.org/10.1007/s10661-006-7232-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OLC-IBL GBV_ILN_22 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 AR 116 2006 1-3 05 137-156 |
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the land ecological evolutional patterns in the source areas of the yangtze and yellow rivers in the past 15 years, china |
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The land ecological evolutional patterns in the source areas of the Yangtze and Yellow Rivers in the past 15 years, China |
| abstract |
Abstract Based on land ecological classification of the source regions of the Yangtze and Yellow Rivers and field investigation, two phases of TM remote sensing data obtained in 1986 and 2000 were compared. From spatial variations and type transformation trends, the spatial changes and evolutional patterns of land ecosystem in the source regions of the two rivers were analyzed using the analytical method of landscape ecological spatial patterns. Results show that middle and high-cover high-cold steppe areas degraded considerably by 15.82%, high-cover high-cold meadow areas by 5.15%, while high-cold swamp meadow areas decreased by 24.36%. Lake water area was reduced by 7.5%, especially the lakes in the source region of the Yangtze River. Land desertification is developing rapidly and the average of desertified land area has increased by 17.11%. Desertified land in the source region of Yellow River is expanding at an annual rate of 1.83%. Analysis of the evolutional pattern of land ecotypes shows that the general tendencies of spatial evolution in the regions are coverage reduction and desertification of high-cold steppe, cover reduction and steppification of high-cold meadows, and desiccation of swamp meadows. As a result, land ecological spatial distribution pattern in the region is changing and the state of eco-environment declining. © Springer Science + Business Media, Inc. 2006 |
| abstractGer |
Abstract Based on land ecological classification of the source regions of the Yangtze and Yellow Rivers and field investigation, two phases of TM remote sensing data obtained in 1986 and 2000 were compared. From spatial variations and type transformation trends, the spatial changes and evolutional patterns of land ecosystem in the source regions of the two rivers were analyzed using the analytical method of landscape ecological spatial patterns. Results show that middle and high-cover high-cold steppe areas degraded considerably by 15.82%, high-cover high-cold meadow areas by 5.15%, while high-cold swamp meadow areas decreased by 24.36%. Lake water area was reduced by 7.5%, especially the lakes in the source region of the Yangtze River. Land desertification is developing rapidly and the average of desertified land area has increased by 17.11%. Desertified land in the source region of Yellow River is expanding at an annual rate of 1.83%. Analysis of the evolutional pattern of land ecotypes shows that the general tendencies of spatial evolution in the regions are coverage reduction and desertification of high-cold steppe, cover reduction and steppification of high-cold meadows, and desiccation of swamp meadows. As a result, land ecological spatial distribution pattern in the region is changing and the state of eco-environment declining. © Springer Science + Business Media, Inc. 2006 |
| abstract_unstemmed |
Abstract Based on land ecological classification of the source regions of the Yangtze and Yellow Rivers and field investigation, two phases of TM remote sensing data obtained in 1986 and 2000 were compared. From spatial variations and type transformation trends, the spatial changes and evolutional patterns of land ecosystem in the source regions of the two rivers were analyzed using the analytical method of landscape ecological spatial patterns. Results show that middle and high-cover high-cold steppe areas degraded considerably by 15.82%, high-cover high-cold meadow areas by 5.15%, while high-cold swamp meadow areas decreased by 24.36%. Lake water area was reduced by 7.5%, especially the lakes in the source region of the Yangtze River. Land desertification is developing rapidly and the average of desertified land area has increased by 17.11%. Desertified land in the source region of Yellow River is expanding at an annual rate of 1.83%. Analysis of the evolutional pattern of land ecotypes shows that the general tendencies of spatial evolution in the regions are coverage reduction and desertification of high-cold steppe, cover reduction and steppification of high-cold meadows, and desiccation of swamp meadows. As a result, land ecological spatial distribution pattern in the region is changing and the state of eco-environment declining. © Springer Science + Business Media, Inc. 2006 |
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