Biotic Indices
- Created by: Risinghill
- Created on: 03-01-14 15:25
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- Biotic Indices
- Disadvantages
- Sorting the samples takes time
- results difficult to interpret without correct training
- indentification hard for inexperienced
- Advantages
- Monitor both current and past population
- trace the source of the pollution
- highly sensitive
- bioaccumulation allow pollutants to be spotted at low levels
- Cheaper than monitoring equipment
- Good Indicator species
- Easy to identify
- Present if there is no pollution
- Common if there is no polution
- Widely distributed
- Easy to find
- Common indicator species
- Lichen
- Acid rain
- Different species react differently to different concentration of sulphur dioxide
- Aquatic invertiebrates
- Aquatic Pollutants
- Lichen
- Disadvantages
- Advantages
- Monitor both current and past population
- trace the source of the pollution
- highly sensitive
- bioaccumulation allow pollutants to be spotted at low levels
- Cheaper than monitoring equipment
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