NDFF Waterbird survey by airplane for the IJsselmeer, Markermeer and IJmeer
Latest version published by Dutch National Database of Flora and Fauna (NDFF) on Mar 27, 2018
Counting birds that fly at an altitude of 500 to 600 feet (ca. 150 to 180 metres), and at an average speed of 70 to 80 knots (130 to 150 km/ph.). Birds are observed by eye or with binoculars (magnification between 7 and 10 times).
An observer does the counting and is accompanied by a writer who makes additional observations.
Positive observations without zeros.
Dataset available via https://www.ndff.nl/english / serviceteamndff@natuurloket.nl
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Rights
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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 (CC-BY) 4.0 License.
GBIF Registration
This resource has been registered with GBIF, and assigned the following GBIF UUID: 2dd51d10-85bb-4e3e-82b4-1dd0e8869960. 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.
Keywords
Metadata; Observation
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Geographic Coverage
Former Zuiderzee, The Netherlands
| Bounding Coordinates | South West [52.241, 4.856], North East [53.114, 5.9] |
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Taxonomic Coverage
Waterbirds
| Class | Aves (birds) |
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Temporal Coverage
| Formation Period | 2011-current |
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Additional Metadata
| Alternative Identifiers | https://ipt.ndff.nl/resource?r=14_207_rws_vliegtuigtelling |
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