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Distribuzione verticale diDreissena polymorpha(Pallas) nel lago di Garda: II Contributo

 

作者: DarioA. Franchini,  

 

期刊: Bolletino di zoologia  （Taylor Available online 1978）
卷期: Volume 45, issue 3  

页码: 257-260

 

ISSN:0373-4137

 

年代: 1978

 

DOI:10.1080/11250007809440130

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The author has carried out a qualitative and quantitative research about freshwater molluscs on the east coast of Garda Lake. Much attention has been paid to the vertical range ofDreissena polymorpha(Pallas). This mollusc has been found at a depth of 50 meters and colonies reaching a population density of 20 000 specimens per square meter have been found.

 

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