NUTRIENT DISTRIBUTIONS IN THE SURFACE SEDIMENT OF THE CENTRAL LAGOON OF VENICE

被引：22
|
作者：
SFRISO, A
PAVONI, B
MARCOMINI, A
机构：
[1] University of Venice, Department of Environmental Sciences, 30123 Venice
来源：
SCIENCE OF THE TOTAL ENVIRONMENT | 1995年 / 172卷 / 01期
关键词：
VENICE LAGOON; PHOSPHORUS; NITROGEN; EUTROPHICATION; MACROALGAL BIOMASS; SHELL FRAGMENTS;
D O I：
10.1016/0048-9697(95)04714-X
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Concentrations of nutrients in the sediments of the central lagoon of Venice were measured on a dry weight and volumetric basis and related to the biological activity (macroalgal biomass, shell fragments) of the sampling sites. Different aspects of the lagoon eutrophication were monitored and the areas more affected by hypertrophic-dystrophic risk were identified. Sediment density and the high macroalgal standing crop are the main factors responsible for the different nutrient distributions in the surface sediments. By comparing these data with others collected in the past, a decreasing trend in nutrient concentrations was observed.
引用
收藏
页码：21 / 35
页数：15
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