Use of periphyton assemblage data as an index of biotic integrity

Earth & Environmental Sciences

• Index of Biotic Integrity 100%
• periphyton 86%
• diatom 31%
• relative abundance 16%
• habitat 10%
• disturbance 8%
• substrate 8%
• biomass 7%
• environmental gradient 6%
• phosphatase 6%
• ecological status 6%
• variance analysis 6%
• acidity 5%
• chlorophyll 5%
• cyanobacterium 5%
• ash 4%
• watershed 4%
• agriculture 4%
• land use 3%
• acid 3%
• sampling 3%
• water 1%
• analysis 1%

Agriculture & Biology

• periphyton 92%
• Bacillariophyceae 34%
• Appalachian region 14%
• lowlands 11%
• habitats 10%
• forest land 7%
• total suspended solids 7%
• neutralization 6%
• land use 5%
• acidity 5%
• highlands 5%
• alkaline phosphatase 5%
• Cyanobacteria 5%
• analysis of variance 4%
• agriculture 4%
• chlorophyll 4%
• biomass 3%
• color 3%
• acids 3%
• crops 3%
• water 2%
• sampling 2%