Practical Skills Unit 1

Lincoln Index

To measure population size of individual species

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Estimated Population Size=CxR/M

C=First sample R=Second sample M=Number of marked in second sample

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Kick Sampling

To sample bottom dwellers (benthic invertebrates)

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D=N(N-1)/n(n-1)

D= Diversity N=Number of individuals of all species n=Number of individuals of one species

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Light Traps

To sample moths

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Pitfall Trap

To sample small animals, such as insects, amphibians and reptiles

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Beating Tray

To sample fauna (mostly invertebrates) in trees and shrubs

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Tullgren Funnel

A device which removes living organisms from soil or leaf litter samples

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Other cards in this set

C=First sample R=Second sample M=Number of marked in second sample

Estimated Population Size=CxR/M

To sample bottom dwellers (benthic invertebrates)

D= Diversity N=Number of individuals of all species n=Number of individuals of one species

To sample moths

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