NDFF Monitoring territorial bats by transect

Latest version published by Dutch National Database of Flora and Fauna (NDFF) on Mar 27, 2018 Dutch National Database of Flora and Fauna (NDFF)

This is a sub-monitoring program that counts a limited selection of a population, namely the sexually active males. A transact of at least 2.5 kilometres is set out through a more or less homogeneous landscape:

urban or rural landscape

woodland or parkland

agricultural areas

From 15 August to 30 September, all territorial males of the Nyctalus noctula, Pipistrellus pipistrellus and the Pipistrellus nathusii are counted with a bat detector during 4 to 6 visits. The visits are made on foot. They are exclusively carried out in the evenings, 45 minutes after the species leave the nest at sundown. Data was actively collected from 1990 to 1997 for this monitoring program.

Dataset available via https://www.ndff.nl/english / serviceteamndff@natuurloket.nl

Positive observations without zeros.

924 records (March 2018)



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Researchers should respect the following rights statement:

The publisher and rights holder of this work is Dutch National Database of Flora and Fauna (NDFF). This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: 1b9d33a7-f5de-4616-884e-139de139801c.  Dutch National Database of Flora and Fauna (NDFF) publishes this resource, and is itself registered in GBIF as a data publisher endorsed by Netherlands Biodiversity Information Facility.


Metadata; Observation


Who created the resource:

Who can answer questions about the resource:

Who filled in the metadata:

Thijs de Kruif

Who else was associated with the resource:

Henk de Vries
Node manager NLBIF
NLBIF (Netherlands Biodiversity Information Facility) P.O.Box 9517 2300 RA Leiden NL

Geographic Coverage

The Netherlands

Bounding Coordinates South West [50.736, 3.318], North East [53.521, 7.207]

Taxonomic Coverage

No Description available

Species  Pipistrellus nathusii (Nathusius s pipistrelle),  Pipistrellus pipistrellus (Common pipistrelle),  Nyctalus noctula (Common noctule)

Temporal Coverage

Start Date / End Date 1990-01-01 / 1997-12-31