REGIONAL VARIATION OF DISSOLVED ORGANIC-MATTER IN RUNNING WATERS IN CENTRAL NORTHERN SWEDEN

被引:37
作者
IVARSSON, H [1 ]
JANSSON, M [1 ]
机构
[1] UMEA UNIV,DEPT GEOG,S-90187 UMEA,SWEDEN
关键词
DOM; RUNNING WATERS; LARGE SCALE VARIATIONS; BOREAL FORESTS;
D O I
10.1007/BF00007279
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
Regional variations in the concentrations of DOM were studied in running waters in central-northern Sweden. The highest concentrations occurred in the coastal areas, and there was a marked trend with decreasing concentrations towards the inland and the mountain range further west. Explanation of these differences are regional differences in forestland productivity, the occurrence and type of peatlands, annual runoff patterns and soil drainage conditions. Anthropogenic factors, such as atmospheric deposition of acids and forestry, have probably not contributed to the regional differences.
引用
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页码:37 / 51
页数:15
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