MSc project
Defining lake reference states
Gaute Velle
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Defining reference states for lakes in Norway
- The ecological quality status of all waters should be assessed according to the
- The status classes are defined by their deviation from a reference level
- The reference, pre-perturbation conditions are often lacking or arbitrarily set
- Therefore the reference state needs to be defined
Using palaeolimnological methods, especially chironomid analysis, the status of the lake can be traced back in time to give a reference baseline status.
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Definere referansetilstand for innsj酶er i Norge
- Den 酶kologiske kvaliteten status for alle farvann b酶r vurderes i henhold til
- Status klasser er definert av deres avvik fra en referanse-niv氓
- Referanse, pre-perturbasjons forholdene ofte mangler eller vilk氓rlig satt
- Referansetilstand m氓 derfor defineres
Ved hjelp av palaeolimnological metoder, spesielt chironomid analyse, kan statusen til insj酶 f酶res tilbake i tid for 氓 gi et referansetilstand.
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27.10.2017