RELATIONSHIPS BETWEEN TROPHIC ORGANIZATION OF BENTHIC COMMUNITIES AND ORGANIC-MATTER CONTENT IN TYRRHENIAN SEA SEDIMENTS

被引：21
|
作者：
COCITO, S [1 ]
FANUCCI, S [1 ]
NICCOLAI, I [1 ]
MORRI, C [1 ]
BIANCHI, CN [1 ]
机构：
[1] UNIV GENOA,IST ZOOL,I-16126 GENOA,ITALY
来源：
HYDROBIOLOGIA | 1990年 / 207卷
关键词：
SOFT-BOTTOM COMMUNITIES; BENTHIC BIOMASS; SEDIMENT ORGANIC MATTER; C/N RATIO; TROPHIC GUILDS;
D O I：
10.1007/BF00041440
中图分类号：
Q17 [水生生物学];
学科分类号：
071004 ;
摘要：
The organic content of sediments, often considered as an important trophic source for the benthos, can be used as a measurement of the trophic status of marine ecosystems. Soft-bottom communities were studied between Leghorn and Elba Island, from 5 to 500 m depth. Total biomass and trophic structure (percent dominance of trophic guilds) were related to organic carbon content and C/N ratio of sediments. Sediment organic matter, depending on its quantity and quality, could act as a food source or a stress source for the community.
引用
收藏
页码：53 / 60
页数：8
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