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Meetnetten.be - Egg counts for butterflies in Flanders, Belgium
Citation
Piesschaert F, Maes D, Brosens D, Westra T, Desmet P, Ledegen H, Veraghtert W, Van de Poel S, Pollet M (2022): Meetnetten.be - Egg counts for butterflies in Flanders, Belgium. v1.17. Research Institute for Nature and Forest (INBO). Dataset/Samplingevent. https://doi.org/10.15468/hsfq2u

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.

Description
Meetnetten.be - Egg counts for butterflies in Flanders, Belgium is a sampling event dataset published by the Research Institute of Nature and Forest (INBO). It is part of the Meetnetten.be suite of monitoring networks for priority species in Flanders, in which data are collected at fixed locations using a standardized protocol (https://meetnetten.be). This dataset contains egg counts for 1 priority butterfly species (Phengaris alcon). more

Here it is published as a standardized Darwin Core Archive and includes for each sampling event an eventID, date, location and sampling protocol (in the event core) and for each occurrence an occurrenceID, the number of recorded individuals, status (present/absent) and scientific name (in the occurrence extension). Issues with the dataset can be reported at Issues with the dataset can be reported at https://github.com/inbo/meetnetten-occurrences/issues
Generalized and/or withheld information: as these are sensitive priority species, location information is generalized to 1, 5 or 10 km Universal Transverse Mercator (UTM) grid cells. Original locations are available upon request.
We have released this dataset to the public domain under a Creative Commons Zero waiver. We would appreciate it if you follow the INBO norms for data use (https://www.inbo.be/en/norms-data-use) when using the data. If you have any questions regarding this dataset, don't hesitate to contact us via the contact information provided in the metadata or via opendata@inbo.be.
For all published Meetnetten.be datasets, see https://www.gbif.org/dataset/search?project_id=meetnetten.be
The target butterfly species for Meetnetten.be are listed at https://meetnetten.be/#group-4. Other butterflies observed during the sampling are also included. This dataset covers the egg count protocol, for which the target species is Phengaris alcon (alcon blue / gentiaanblauwtje).
Sampling was done using the protocol described in Maes et al. (2019) and explained to volunteers in Ledegen et al. (2018). Egg counts for Alcon blue are done in plots of 10 x 10 m on locations with the highest density of gentians. Counting takes place once a year, in August.

Scope
Keywords:
Terrestrial, Eggs, Monitoring, Belgium: Flanders, Lepidoptera

Geographical coverage
Belgium: Flanders

Temporal coverage
1 January 2016 - 31 December 2020

Taxonomic coverage
Lepidoptera [WoRMS]

Parameters
Count, Occurrence of biota

Contributors
Natuurpunt, moredata creator
Vlaamse overheid; Beleidsdomein Omgeving; Instituut voor Natuur- en Bosonderzoek (INBO), moredata creator


Dataset status: In Progress
Data type: Data
Data origin: Monitoring
Metadatarecord created: 2021-07-14
Information last updated: 2022-07-28
All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy