| Beschrijving |
<p>Zomerganzen - Summering geese management and population counts in Flanders, Belgium is a sampling event dataset published
by the Research Institute for Nature and Forest (INBO). The dataset contains over 3,700 sampling events, carried out since
2009, mostly in the months June and July. The data are compiled from different summering geese related projects, but most
data were collected through fieldwork within the framework of the EU co-funded Interreg projects INVEXO (
http://www.invexo.eu) and RINSE (www.rinse-europe.eu). Since 2015, data collection is funded by INBO. The dataset includes close to 5,000 presence
occurrences, as well as over 15,000 absence occurrences. The sampling protocol for the majority of the occurrences are simultaneous
counts. Here, the number of individuals of different geese species in a fixed set of areas is determined. Counts are performed
within the same weekend to avoid double counting. Simultaneous counts were organised yearly since 2008 and take place the
first weekend after July 15, the best period for monitoring the summering population of geese. These counts are performed
by professional INBO employees as well as experienced birdwatchers from Natuurpunt using a standardized field protocol. Data
are recorded in a citizen science portal (
http://waarnemingen.be/waarnemingen_projecten.php?project=231). However, The dataset also comprises opportunistic field observations from the same portal outside this period. Furthermore,
data are derived from management actions, such as fertility reduction (egg shaking and pricking), the use of Larsen traps
(for Egyptian goose), and the execution of moult captures. Here, the individuals in the dataset were actually removed from
the environment. The aim of the data collection is management follow-up and evaluation. Consequently, caution is advised when
using these data for trend analysis, distribution range calculation, niche modeling or other. Issues with the dataset can
be reported at https://github.com/LifeWatchINBO/data-publication/tree/master/datasets/zomerganzen-events</p><p>We strongly
believe an open attitude is essential for tackling the IAS problem (Groom et al. 2015). To allow anyone to use this dataset,
we have released the data to the public domain under a Creative Commons Zero waiver (
http://creativecommons.org/publicdomain/zero/1.0/). We would appreciate it however if you read and follow these norms for data use (
http://www.inbo.be/en/norms-for-data-use) and provide a link to the original dataset (
https://doi.org/10.15468/a5ubtp) 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, opendata@inbo.be or
twitter.com/LifeWatchINBO.</p>
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