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Land use, associated eel production, and abundance of fish and crayfish in streams in Waikato, New Zealand

 

作者: BrendanJ. Hicks,   HelenM. C. McCaughan,  

 

期刊: New Zealand Journal of Marine and Freshwater Research  （Taylor Available online 1997）
卷期: Volume 31, issue 5  

页码: 635-650

 

ISSN:0028-8330

 

年代: 1997

 

DOI:10.1080/00288330.1997.9516795

 

出版商: Taylor & Francis Group

 

关键词: eels;bullies;common smelt;density;biomass;land use;native forest;exotic forest;pasture;streams;production

 

数据来源: Taylor

 

摘要:

The density and biomass of fish and crayfish, and the production of eels, was compared among streams in native forest, exotic forest, and pasture. Populations were estimated by multiple‐pass electroshocking at 11 sites in hill‐country streams in the Waikato region, North Island. Three sites were in native forest, four in exotic forest, and four in pasture. Length of stream sampled at each site was 46–94 m (41–246 m2in area), and catchment areas up stream of the sites ranged from 0.44 to 2.01 km2.

 

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