150,115 species and infraspecific names are in the database, 20,397 images, 57,748 bibliographic items, 380,813 distributional records.

Bibliographic Detail

Veen, A., Hof, C.H.J., Kouwets, F.A.C. & Berkhout, T., 2015

Reference:
Veen, A., Hof, C.H.J., Kouwets, F.A.C. & Berkhout, T. (2015). Rijkswaterstaat Waterdienst, Informatiehuis Water [Taxa Watermanagement the Netherlands (TWN)] http://ipt.nlbif.nl/ipt/resource?r=checklist-twn. Consulted March 2017. pp. on line. The Netherlands: Laboratory for Hydrobiological Analysis, Rijkswaterstaat.

Notes:
; cite as Rijkswaterstaat Waterdienst, Informatiehuis Water, consulted DD-MM-YYYY

Abstract:
The Taxa Watermanagement the Netherlands (TWN) checklist consists of several lists of species that are relevant for the proper management of Dutch inland water bodies. The lists contain aquatic, semi-aquatic as well as terrestrial organisms. Nomenclature of the taxa is consequent binominal with references to authors and identification literature. At a regular base the lists are being updated and improved by specialists from the Rijkswaterstaat laboratories. The lists are part of the official Aquo-standard, used by all Dutch water managing organisations. The TWN checklist accommodates over 16.000 species and is sub-divided in lists on amphibians, birds, butterflies, diatoms, macroalgae, macroinvertebrates, mammals, macrophytes, nematodes, phytoplankton, reptiles and zooplankton.

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