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Record: oai:ARNO:527108

AuthorsR.C.M.J. van Moorsel, H.E. Barendregt
TitleDotterbloem en Waterviolier in Nederland
JournalGorteria : tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland
AbstractData from this century on the distribution of Caltha palustris and Hottonia palustris are used tot illustrate the role of volunteers in a monitoring scheme. Actual patterns in the distribution of the two species are discussed. About 40 percent of these data has been sampled by volunteers. It is demonstrated that both Caltha and Hottonia showed a decline in the period 1975—1989. In contrast to Caltha, the occurrence of Hottonia is strongly linked to areas with seapage water.
Document typearticle
Download paperpdf document http://www.repository.naturalis.nl/document/567510