NDFF Monitoring wintering bats
Citation
van Oene M, de Kruif T (2018). NDFF Monitoring wintering bats. Dutch National Database of Flora and Fauna (NDFF). Metadata dataset https://doi.org/10.15468/nuyciy accessed via GBIF.org on 2026-06-04.Description
This guide describes the method for counting the number of hibernating bats in objects that are easily accessible to observers, such as marl pits, bunkers, cellars, ice houses and forts. A standardised count is carried out annually by trained volunteers. The data is combined by the Dutch Mammal Society and, in collaboration with Statistics Netherlands, used to calculate population developments and trends. Dataset available via https://www.ndff.nl/english / serviceteamndff@natuurloket.nl Positive observations without zeros. 45,502 records (March 2018) https://www.ndff.nl/overdendff/validatie/protocollen/17-201-monitoren-van-vleermuizen-in-de-winter/Taxonomic Coverages
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Chiropteracommon name: Bats rank: order
Geographic Coverages
The Netherlands
Bibliographic Citations
Contacts
Martijn van Oeneoriginator
position: Data manager
Dutch Mammal Society
NL
email: info@zoogdiervereniging.nl
homepage: http://www.zoogdiervereniging.nl/dutch-mammal-society-english-pages
Thijs de Kruif
metadata author
position: metadata publisher
NDFF
NL
email: serviceteamndff@natuurloket.nl
homepage: https://www.ndff.nl/english/
Henk de Vries
distributor
position: Node manager NLBIF
NLBIF (Netherlands Biodiversity Information Facility)
P.O.Box 9517
Leiden
2300 RA
NL
email: henk.devries@naturalis.nl
Dries Oomen
administrative point of contact
position: publisher
NDFF
NL
email: serviceteamndff@natuurloket.nl
homepage: https://www.ndff.nl/english/