over-representation In palynology, the presence in considerable abundance of immediately local pollen which tends to obscure the general pattern of changes in the regional pollen-rain record (e.g. the predominance of pollen from copious pollen producers, such as Pinus species, and from bog plants at a peat bog site).

over-representation In palynology, the presence in considerable abundance of immediately local pollen which tends to obscure the general pattern of changes in the regional pollen rain record, e.g. the predominance of pollen from bog plants at a peat bog site.