This paper studied the vertical discribution characteristics of soil organic matter and total nitrogen in soil profiles, and their horizontal distribution characteristics in the surface soil of wetlands in Xianghai Nature Reserve and Horqin Nature Reserve, respectively. The results show that, in contrast to Horqin Nature Reserve, there exists higher spatial variation for soil organic matter and total nitrogen in Xianghai Nature Reserve, their variation coefficients can be more than 90%; moreover its surface soil holds more soil organic matter and nitrogen in Horqin wetland; its rate of carbon fixing is slower than that of nitrogen accumulation in Xianghai wetland; its degree of salinity is also more severe than, Horqin wetland and its wetland plants in Xianghai assimilate more salts than those in Horqin wetland; in addition, the distribution of soil organic matter and total nitrogen is influence by pH values more strongly.
BAI Jun-hong, DENG Wei, ZHU Yan-ming, ZHAI Jin-liang, ZHANG Yu-xia
. Comparactive Study on the Distribution Characteristics of Soil Organic Matter and Total Nitrogen in Wetlands——A Case Study of Xianghai and Horqin Nature Reserve[J]. SCIENTIA GEOGRAPHICA SINICA, 2002
, 22(2)
: 232
-237
.
DOI: 10.13249/j.cnki.sgs.2002.02.232
[1] William J Mitsch, et.al. Wetlands[M]. New York:Van Nostrand Reinhold Company Inc, 1986. 89-125.
[2] 王国平,刘景双,高峰.向海湿地沉积芯重金属对流域环境污染示踪[J].地理科学,2001,21(6):549~553.
[3] 赵魁义. 中国沼泽志[M]. 北京: 科学出版社, 1999.255~260.
[4] 贺希格杜荣. 科尔沁右翼中旗志[M].呼和浩特: 内蒙古人民出版社, 1993. 77~170.
[5] 中国土壤学会农业化学专业委员会.土壤农业化学常规分析方法[M].北京: 科学出版社,1989. 104~108.
[6] 鲁如坤.土壤农业化学分析方法[M].北京: 中国农业科技出版社,1999.107~147.
[7] 高亚军,朱培立,黄东迈. 稻麦轮作条件下长期不同土壤管理对有机质及累积的影响[J].土壤与环境, 2000, 9(2):27~30.
[8] 李忠佩,王效举.小区域水平土壤有机质动态变化的评价与分析[J].地理科学,2000,20(2):182~187.
[9] 张金屯.全球气候变化对自然土壤碳、氮循环的影响[J].地理科学,1998,18(5):463~471.
[10] 王其兵,李凌浩,刘先华,等.内蒙古锡林河流域草原土壤有机碳及氮素的空间异质性分析[J]. 植物生态学报, 1998, 22(5): 409~414.
[11] 余晓鹤,朱培立,黄东迈. 土壤表层管理对稻田土壤矿化势、固氮强度及铵态氮的影响[J]. 中国农业科学, 1991, 24(2):73~79.
[12] 李秀军.松嫩平原西部土地盐碱化与农业可持续发展[J].地理科学,2000,20(1):51~55.
[13] 蒋静艳, 黄耀, 宗良纲. 稻田土壤理化性质对CH4排放的影响[J].土壤与环境, 2001,10(1):27~29.
[14] 黄瑞农.环境土壤学[M].北京: 高等教育出版 社, 1994.145~146.
[15] DICK W A. Organic carbon, nitrogen and phosphorus concentrations and pH in soil profiles as affected by tillage intensity[J]. Soil Sci. Soc. Am.J., 1983, 47: 102-107.
[16] Ingemar Ahlgen, Fred Sorensson, T mas waara.湖泊中与微生物转化有关的氮素消涨[J]. 人类环境杂志(AMBIO), 1994, 23(6):367~374.
[17] Stefan E, Weisne B, Peder G Eriksson, Wilhelm Granéli. 大型植物对湿地中硝酸盐的持留作用[J].人类环境杂志(AMBIO), 1994, 23(6):363~366.
