Production of the crayfish Cambarus bartonii (Fabricius, 1798) (Decapoda, Cambaridae) in an acidic Appalachian stream (USA)

被引：10

作者：

Griffith, MB

Wolcott, LT

Perry, SA

机构：

[1] W VIRGINIA UNIV,NATL BIOL SERV,MORGANTOWN,WV 26506

[2] W VIRGINIA UNIV,W VIRGINIA COOPERAT FISH & WILDLIFE RES UNIT,MORGANTOWN,WV 26506

来源：

CRUSTACEANA | 1996年 / 69卷

关键词：

D O I：

10.1163/156854096X00411

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

The growth rate and annual production of the crayfish Cambarus bartonii were estimated in Crouch Run, a 3rd-order stream that drains a high-elevation catchment in West Virginia and which has been acidified because of acidic precipitation. Production of C, bartonii in Crouch Run was 525.8 mg AFDW m(-2) yr(-1) and was less than that for C, bartonii in Upper Ball Creek, a high-elevation circumneutral stream in North Carolina (961.0 mg AFDW m(-2) yr(-1), Huryn & Wallace, 1987). This difference seemed to be related to differences in the biomass of C. bartonii between the streams, because the P/B ratio for C. bartonii in Crouch Run was 1.4 compared with 5.8 in Upper Ball Creek.

引用

页码：974 / 984

页数：11

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