Reduction of sampling effort assessing macroinvertebrate assemblages for biomonitoring of rivers

被引：5

作者：

Gartzia De Bikuna, B. ^{[1
]}

Lopez, E. ^{[1
]}

Leonardo, J. M. ^{[1
]}

Arrate, J. ^{[1
]}

Martinez, A. ^{[1
,2
]}

Agirre, A. ^{[1
]}

Manzanos, A. ^{[3
]}

机构：

[1] Anbiotek SL Axpe Ind, Erandio 48950, Spain

[2] Univ Basque Country, Dept Plant Biol & Ecol, Lab Stream Ecol, Bilbao 48080, Spain

[3] URA Agencia Vasca Agua, Vitoria 01010, Spain

来源：

KNOWLEDGE AND MANAGEMENT OF AQUATIC ECOSYSTEMS | 2015年 / 416期

关键词：

stream invertebrates; effort reduction; biomonitoring; BENTHIC MACROINVERTEBRATES; BIODIVERSITY; ECOSYSTEM; STREAM;

D O I：

10.1051/kmae/2015004

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Biomonitoring methods based on macroinvertebrate assemblages are widely developed in streams and rivers. However, the use of invertebrates has been criticized due to the long time and expense of processing samples. Therefore, we evaluated the effectiveness of reducing the sampling effort from 20 to 5 samples to assess the stream macroinvertebrate community. In six streams in the Basque Country (North of Spain) 20 kick nets were collected following a multihabitat stratified sampling design. The macroinvertebrates were identified to family level and a smoothed family accumulation curve fitting the Clench function to the data was calculated for each stream. Richness was lower in 5 than in 20 samples. However, in general, the percentage of richness estimated with the subsampling may be considered representative of the existing taxa richness. Therefore, the study of five samplesmay be adequate for biomonitoring Basque streams, greatly minimizing time, effort and costs.

引用

页数：6

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