Pathogen genome sequencing (NGS & GBS) enables definition of the complete repertoire of predicted genes for a plant pathogenic species

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#XL - T Zoology

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#XL - T Zoology

λ represents the finite rate of population change over some time interval, often a year

λ = N1/N0

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Populations grow when R0 or λ>1, populations decline when R0 or λ<1, and are at equilibrium when R0 or λ=1

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#Id: 5368

#XL - T Zoology

The simplest method to measure population density is to visually count the number of organisms in a population in a given habitat.

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Quadrats - A square frame often, but not always, measuring 50 × 50 cm. 

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#Id: 5371

#XL - T Zoology

Pitfall traps set into the ground catch wandering species such as beetles and spiders. These have rain covers to prevent the animals from drowning