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Bird tracking - GPS tracking of Western Marsh Harriers breeding near the Belgium-Netherlands border
Anselin A, Desmet P, Janssens K, T'Jollyn F, De Bruyn L, Hernandez F, Bouten W, Lens L (2017): Bird tracking - GPS tracking of Western Marsh Harriers breeding near the Belgium-Netherlands border. v1.1. Research Institute for Nature and Forest (INBO). Dataset/Occurrence.

Access data
Archived data
Availability: CC0 To the extent possible under law, the person who associated CC0 with this dataset has waived all copyright and related or neighboring rights to this dataset.

Notes: To allow anyone to use this dataset, we have released the data to the public domain under a Creative Commons Zero waiver. We would appreciate however, if you read and follow these norms for data use and provide a link to the original dataset whenever possible. If you use these data for a scientific paper, please cite the dataset following the applicable citation norms and/or consider us for co-authorship. We are always interested to know how you have used or visualized the data, or to provide more information, so please contact us via the contact information provided in the metadata, or

Bird tracking - GPS tracking of Western Marsh Harriers breeding near the Belgium-Netherlands border is a species occurrence dataset published by the Research Institute for Nature and Forest (INBO). The dataset contains over 290.000 occurrences (GPS fixes) recorded between 2013 and 2018 by GPS trackers mounted on 7 Western Marsh Harriers breeding near the Belgium-Netherlands border. more

The trackers are developed by the University of Amsterdam Bird Tracking System (UvA-BiTS) and allow to study the harriers' habitat use and migration behaviour in great detail. Our bird tracking network is operational since 2013 and is maintained and used by the INBO, the Flanders Marine Institute (VLIZ), UvA-BiTS, Ghent University (UGent), and the University of Antwerp (UA).
The following information is not included in the dataset and available upon request: outliers, speed, temperature, barometric pressure, GPS metadata (fix time, number of satellites used, vertical accuracy), and bird weight measured during tagging.
The bird tracking network used to collect these data is set up and maintained by the INBO and VLIZ as part of the Flemish contribution to LifeWatch.
Geographic coverage: The tracked birds were tagged in their breeding range near the Belgium-Netherlands border. It is a polder area dominated by creeks, located in the provinces of East-Flanders (Belgium) and Zeeland (the Netherlands) bordered by the Western Scheldt in the north and the Ghent-Terneuzen Canal in the east. During breeding season, the foraging range of the harriers is generally restricted to less than 10 km from the nest. Starting in September the birds migrate south, hibernating in Sub-Saharan areas of West Africa. Spring arrivals start in March.
Taxonomic coverage: The dataset contains tracking data from 6 Western Marsh Harriers (Circus aeruginosus) breeding near the Belgium-Netherlands border.
Issues with the dataset can be reported here.
The publication of this dataset was supported by the INBO as part of the Flemish contribution to LifeWatch.

Biology > Birds
Terrestrial, Breeding habitats, Foraging habitats, Migrations, Observation, Belgium, Flanders, Netherlands, Zeeland, Circus aeruginosus (Linnaeus, 1758)

Geographical coverage
Belgium, Flanders [Marine Regions]
Netherlands, Zeeland [Marine Regions]

Temporal coverage
16 March 2013 - 28 July 2018

Taxonomic coverage
Circus aeruginosus (Linnaeus, 1758) [WoRMS]

Occurrence of biota

Universiteit Gent; Faculteit Wetenschappen; Vakgroep Biologie; Onderzoeksgroep Terrestrische Ecologie (TEREC), moredata creator
Universiteit van Amsterdam; Institute for Biodiversity and Ecosystem Dynamics (IBED), moredata creator
Vlaams Instituut voor de Zee (VLIZ), moredata creator
Vlaamse overheid; Beleidsdomein Omgeving; Instituut voor Natuur- en Bosonderzoek (INBO), moredata creator

Related datasets
Parent dataset:
LifeWatch observatory data: GPS tracking network for large birds, more

LifeWatch: Flemish contribution to, more

Used in this dataset
Bouten, W. et al. (2013). A flexible GPS tracking system for studying bird behaviour at multiple scales. J. Ornithol. 154(2): 571-580., more

Dataset status: In Progress
Data type: Data
Data origin: Monitoring: field survey
Metadatarecord created: 2017-06-27
Information last updated: 2020-01-23
All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy