DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF <em>Calamagrotis augustifolia</em> IN THE WETLAND OF THE SANJIANG PLAIN

WANG Shi-yan; YANG Yong-xing

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DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF Calamagrotis augustifolia IN THE WETLAND OF THE SANJIANG PLAIN

WANG Shi-yan, YANG Yong-xing

文章导航 > Chinese Geographical Science > 2001 > 11(3): 264-269

WANG Shi-yan, YANG Yong-xing. DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF Calamagrotis augustifolia IN THE WETLAND OF THE SANJIANG PLAIN[J]. 中国地理科学, 2001, 11(3): 264-269.

引用本文:

WANG Shi-yan, YANG Yong-xing. DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF Calamagrotis augustifolia IN THE WETLAND OF THE SANJIANG PLAIN[J]. 中国地理科学, 2001, 11(3): 264-269.

Citation:

DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF Calamagrotis augustifolia IN THE WETLAND OF THE SANJIANG PLAIN

Laboratory of Wetland Environment, Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

基金项目: Under the auspices of the National Natural Science Fundation of China (No. 49771002), the Key B Items of Chinese Academy of Sciences (KZ951-B1-201-3) and the Innovative Project of the Chinese Academy of Sciences(KZCX2-302).

详细信息

作者简介:
WANG Shi-yan(1974- ), male, a native of, jinan City, Shandong Province, Ph. D. candidate of Changchun Institute of Geography, the Chinese Academy of Sciences. His research interests include ecology of wetland environment and application of remote sensing and GIS.

中图分类号: X171.7

DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF Calamagrotis augustifolia IN THE WETLAND OF THE SANJIANG PLAIN

Laboratory of Wetland Environment, Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

摘要: During the period of May to October in 1999, systematical studies were given to the rate of decomposition of Calamagrostis angustifolia litter, the phosphorus content and weight in decomposed residua of litter, and phosphorus content in the corresponding soil in the Sanjiang Plain. At the same time, the simulation models were listed in the paper.The results showed that the rate of weight lost of decomposition of Calamagrostis angustifolia litter is 29.80% and the maximum of daily rate of weight lost is 0.25%, which appeared in July. The change trend of phosphorus content and weight in the decomposed residua of litter is to reduce with the decomposing process, when it comes to the day of 157,the decrement amount of the both were respectively 57.9mg/kg and 1. 199mg, which were 72.80% and 7.30% of its previous amount. In addition, there is a polynomial minus correlationship of phosphorus content between the variation in corresponding soil and the decomposed residua of litter at the corresponding period. The study will be helpful to further understand the process and mechanism of biochemical cycling of nutrient elements in wetland ecosystems, in addition, it will also be helpful to the restoration and rebuilding of retrogressive wetlands and reasonable development and utilization of wetlands in the Sanjiang Plain.
- Calamagrostis angustifolia litter /
- decomposed residua /
- phosph orus /
- seasonal dynamics /
- Sanjiang Plain
Abstract: During the period of May to October in 1999, systematical studies were given to the rate of decomposition of Calamagrostis angustifolia litter, the phosphorus content and weight in decomposed residua of litter, and phosphorus content in the corresponding soil in the Sanjiang Plain. At the same time, the simulation models were listed in the paper.The results showed that the rate of weight lost of decomposition of Calamagrostis angustifolia litter is 29.80% and the maximum of daily rate of weight lost is 0.25%, which appeared in July. The change trend of phosphorus content and weight in the decomposed residua of litter is to reduce with the decomposing process, when it comes to the day of 157,the decrement amount of the both were respectively 57.9mg/kg and 1. 199mg, which were 72.80% and 7.30% of its previous amount. In addition, there is a polynomial minus correlationship of phosphorus content between the variation in corresponding soil and the decomposed residua of litter at the corresponding period. The study will be helpful to further understand the process and mechanism of biochemical cycling of nutrient elements in wetland ecosystems, in addition, it will also be helpful to the restoration and rebuilding of retrogressive wetlands and reasonable development and utilization of wetlands in the Sanjiang Plain.
- Calamagrostis angustifolia litter /
- decomposed residua /
- phosph orus /
- seasonal dynamics /
- Sanjiang Plain

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DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF Calamagrotis augustifolia IN THE WETLAND OF THE SANJIANG PLAIN

Laboratory of Wetland Environment, Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

作者简介:
WANG Shi-yan(1974- ), male, a native of, jinan City, Shandong Province, Ph. D. candidate of Changchun Institute of Geography, the Chinese Academy of Sciences. His research interests include ecology of wetland environment and application of remote sensing and GIS.

收稿日期: 2000-12-21
刊出日期: 2001-09-20

中图分类号: X171.7

关键词:

Calamagrostis angustifolia litter /

decomposed residua /

phosph orus /

seasonal dynamics /

Sanjiang Plain

摘要: During the period of May to October in 1999, systematical studies were given to the rate of decomposition of Calamagrostis angustifolia litter, the phosphorus content and weight in decomposed residua of litter, and phosphorus content in the corresponding soil in the Sanjiang Plain. At the same time, the simulation models were listed in the paper.The results showed that the rate of weight lost of decomposition of Calamagrostis angustifolia litter is 29.80% and the maximum of daily rate of weight lost is 0.25%, which appeared in July. The change trend of phosphorus content and weight in the decomposed residua of litter is to reduce with the decomposing process, when it comes to the day of 157,the decrement amount of the both were respectively 57.9mg/kg and 1. 199mg, which were 72.80% and 7.30% of its previous amount. In addition, there is a polynomial minus correlationship of phosphorus content between the variation in corresponding soil and the decomposed residua of litter at the corresponding period. The study will be helpful to further understand the process and mechanism of biochemical cycling of nutrient elements in wetland ecosystems, in addition, it will also be helpful to the restoration and rebuilding of retrogressive wetlands and reasonable development and utilization of wetlands in the Sanjiang Plain.

English Abstract

DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF Calamagrotis augustifolia IN THE WETLAND OF THE SANJIANG PLAIN

Laboratory of Wetland Environment, Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

Received Date: 2000-12-21
Publish Date: 2001-09-20

Keywords:

Abstract: During the period of May to October in 1999, systematical studies were given to the rate of decomposition of Calamagrostis angustifolia litter, the phosphorus content and weight in decomposed residua of litter, and phosphorus content in the corresponding soil in the Sanjiang Plain. At the same time, the simulation models were listed in the paper.The results showed that the rate of weight lost of decomposition of Calamagrostis angustifolia litter is 29.80% and the maximum of daily rate of weight lost is 0.25%, which appeared in July. The change trend of phosphorus content and weight in the decomposed residua of litter is to reduce with the decomposing process, when it comes to the day of 157,the decrement amount of the both were respectively 57.9mg/kg and 1. 199mg, which were 72.80% and 7.30% of its previous amount. In addition, there is a polynomial minus correlationship of phosphorus content between the variation in corresponding soil and the decomposed residua of litter at the corresponding period. The study will be helpful to further understand the process and mechanism of biochemical cycling of nutrient elements in wetland ecosystems, in addition, it will also be helpful to the restoration and rebuilding of retrogressive wetlands and reasonable development and utilization of wetlands in the Sanjiang Plain.

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DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF Calamagrotis augustifolia IN THE WETLAND OF THE SANJIANG PLAIN

作者简介: WANG Shi-yan(1974- ), male, a native of, jinan City, Shandong Province, Ph. D. candidate of Changchun Institute of Geography, the Chinese Academy of Sciences. His research interests include ecology of wetland environment and application of remote sensing and GIS.

DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF Calamagrotis augustifolia IN THE WETLAND OF THE SANJIANG PLAIN

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DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF Calamagrotis augustifolia IN THE WETLAND OF THE SANJIANG PLAIN

Laboratory of Wetland Environment, Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

作者简介: WANG Shi-yan(1974- ), male, a native of, jinan City, Shandong Province, Ph. D. candidate of Changchun Institute of Geography, the Chinese Academy of Sciences. His research interests include ecology of wetland environment and application of remote sensing and GIS.

English Abstract

DYNAMICS OF LITTER DECOMPOSITION AND SEASONAL DYNAMICS OF PHOSPHORUS IN DECOMPOSED RESIDUA OF Calamagrotis augustifolia IN THE WETLAND OF THE SANJIANG PLAIN

Laboratory of Wetland Environment, Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

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作者简介:
WANG Shi-yan(1974- ), male, a native of, jinan City, Shandong Province, Ph. D. candidate of Changchun Institute of Geography, the Chinese Academy of Sciences. His research interests include ecology of wetland environment and application of remote sensing and GIS.

作者简介:
WANG Shi-yan(1974- ), male, a native of, jinan City, Shandong Province, Ph. D. candidate of Changchun Institute of Geography, the Chinese Academy of Sciences. His research interests include ecology of wetland environment and application of remote sensing and GIS.