isopoll

English

Etymology

iso- + clipping of pollen

Noun

isopoll (plural isopolls)

1. (palynology) A line on a map showing places having the same amounts of a particular pollen.
   • 2013, Raymond S. Bradley, Paleoclimatology: Reconstructing Climates of the Quaternary, page 420:

     Isopoll maps can be reinterpreted to show the migration of a particular genus or ecotone through time by isochrones (equal time lines).