Methodological and statistical aspects of indices of biotic integrity to assess the ecological condition of surface waters

Aarde en milieuwetenschappen

• anthropogenic effect 9%
• anthropogenic source 5%
• assessment method 9%
• baseline conditions 6%
• biotic index 6%
• bootstrapping 5%
• comparison 7%
• decision 9%
• development project 5%
• ecological status 73%
• ecosystem 14%
• fish 16%
• goods and services 5%
• index 26%
• Index of Biotic Integrity 100%
• logistics 8%
• opinion 8%
• resource 5%
• restoration 17%
• sampling 5%
• surface water 47%
• test 5%
• thesis 5%
• Water Framework Directive 5%