Bioindicator: verschil tussen versies

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(New page: {{ Definition|title= bioindicator |definition= 1) species characteristic of climate, soil and other conditions in a particular region or habitat. 2) species whose disappearance or disturba...)
 
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Definition|title= bioindicator
 
Definition|title= bioindicator
|definition= 1) species characteristic of climate, soil and other conditions in a particular region or habitat. 2) species whose disappearance or disturbance gives early warning of the degradation of an ecosystem.  
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|definition= species whose disappearance or disturbance gives early warning of the degradation of an ecosystem.  
An insulating layer of fat between skin and muscle layer in aquatic mammals such as whales and seals.<ref>Lawrence E (ed.), 2000. Henderson’s Dictionary of Biological Terms. 12th edition. Prentice Hall, Pearson Education Limited. Harlow, Great Britain.</ref> }}
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<ref>Lawrence E (ed.), 2000. Henderson’s Dictionary of Biological Terms. 12th edition. Prentice Hall, Pearson Education Limited. Harlow, Great Britain.</ref> }}
  
  
==Refernces==
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== Notes ==
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Bioindicators are necessary for certain hydrophobic [[pollutant|pollutants]], because these compounds tend to be [[adsorption|adsorbed]] by [[biota]] soon after entering the ecosystem. This makes that the concentrations in the water might not reflect the contamination in the biota.
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== See also ==
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[[Using biomarkers for the assessment of marine pollutions]]<P>
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[[Indicators]]
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==References==
 
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Huidige versie van 9 sep 2009 om 10:19

Definition of bioindicator:
species whose disappearance or disturbance gives early warning of the degradation of an ecosystem. [1]
This is the common definition for bioindicator, other definitions can be discussed in the article


Notes

Bioindicators are necessary for certain hydrophobic pollutants, because these compounds tend to be adsorbed by biota soon after entering the ecosystem. This makes that the concentrations in the water might not reflect the contamination in the biota.


See also

Using biomarkers for the assessment of marine pollutions

Indicators

References

  1. Lawrence E (ed.), 2000. Henderson’s Dictionary of Biological Terms. 12th edition. Prentice Hall, Pearson Education Limited. Harlow, Great Britain.