Relationship between C:N ratios of lake sediments, organic matter sources, and historical deforestation in Lake Pleasant, Massachusetts, USA

被引：186

作者：

Kaushal, S ^{[1
]}

Binford, MW ^{[1
]}

机构：

[1] Harvard Univ, Petersham, MA 01366 USA

来源：

JOURNAL OF PALEOLIMNOLOGY | 1999年 / 22卷 / 04期

基金：

美国国家科学基金会;

关键词：

Word; phrase; word; phrase; word;

D O I：

10.1023/A:1008027028029

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The C:N ratios of lake sediments may reflect proportions of terrestrial and algal carbon contributing to accumulation of sediment. This possibility was tested in Lake Pleasant, Massachussetts, USA which underwent watershed deforestation in about 1780 A.D. The C:N profile of a 70-cm sediment core clearly reflected deforestation through a rise in C:N ratio caused by an increase in watershed contributions to sedimentary carbon. Spatial variability of C:N in modern surficial sediments is small compared to the change caused by deforestation.

引用

页码：439 / 442

页数：4

共 10 条

[1]

BINFORD MW, 1987, QUATERNARY SCI REV, V6, P115, DOI 10.1016/0277-3791(87)90029-1

[2]

BRENNER M, 1988, Journal of Paleolimnology, V1, P85

[3] LIPIDS AND THEIR MODE OF OCCURRENCE IN BACTERIA AND SEDIMENTS .2. LIPIDS IN THE SEDIMENT OF A STRATIFIED, FRESH-WATER LAKE [J].