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Very often, samples from the surrounding ground may also be taken for analysis, as pollen is easily transported by wind or animal movement across the ground surface.

Once samples have been collected, they are removed to the laboratory for analysis.

Palynology or 'pollen analysis' is a robust technique for reconstructing former vegetation composition and different types of human land use (e.g.

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Contamination of the site, as for example, the red dust that covered the country some years ago that had travelled many hundreds of miles, upsets a pollen sequence.

Successful processing removes non-pollen material, especially other organic material, to concentrate pollen grains for dating.

Most samples are suitable for dating after processing.

Pollen analysis is a scientific method that can reveal evidence of past ecological and climate changes: it combines the principles of stratigraphy with observations of actual (modern) pollen-vegetation relationships in order to reconstruct the terrestrial vegetation of the past.).

Its scientific scope is broad since it encompasses knowledge from many disciplines including botany, geology, ecology, climatology and archeology.

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