Mica - Muskrat, Raccoon and Coypu occurrences collected by ITAW in Germany

Latest version published by Research Institute for Nature and Forest (INBO) on 16 December 2022 Research Institute for Nature and Forest (INBO)
Publication date:
16 December 2022
CC0 1.0

Download the latest version of this resource data as a Darwin Core Archive (DwC-A) or the resource metadata as EML or RTF:

Data as a DwC-A file download 210 records in English (15 KB) - Update frequency: as needed
Metadata as an EML file download in English (15 KB)
Metadata as an RTF file download in English (13 KB)


Mica - Muskrat and Coypu and Raccoon Occurrences collected by ITAW, Germany is an occurrence dataset published by the Research Institute of Nature and Forest (INBO) and ITAW (Institute for Terrestrial and Aquatic Wildlife Research. It is part of the LIFE MICA - Management of Invasive Coypu and muskrat in Europe project on Muskrat monitoring networks in Flanders, The Netherlands and Germany. This dataset contains Muskrat, Raccoon and Coypu counts. Here it is published as a standardized Darwin Core Archive and includes for each occurrence record an recordID, date, location, samplingProtocol, the number of recorded individuals, status (present/absent) and scientific name. Issues with the dataset can be reported at https://github.com/inbo/muskrat-uvw-occurrences/issues

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.

Data Records

The data in this occurrence resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 210 records.

This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.


The table below shows only published versions of the resource that are publicly accessible.

How to cite

Researchers should cite this work as follows:

Fromme L, Brosens D, Cartuyvels E (2022): Mica - Muskrat, Raccoon and Coypu occurrences collected by ITAW in Germany. v1.2. Research Institute for Nature and Forest (INBO). Dataset/Occurrence. https://ipt.inbo.be/resource?r=mica-itaw-occurrences&v=1.2


Researchers should respect the following rights statement:

The publisher and rights holder of this work is Research Institute for Nature and Forest (INBO). To the extent possible under law, the publisher has waived all rights to these data and has dedicated them to the Public Domain (CC0 1.0). Users may copy, modify, distribute and use the work, including for commercial purposes, without restriction.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: 7dc4507b-63b7-4579-bd29-c5950018895b.  Research Institute for Nature and Forest (INBO) publishes this resource, and is itself registered in GBIF as a data publisher endorsed by Belgian Biodiversity Platform.


Occurrence; Occurrence; animal damage‚ biodiversity‚ public awareness campaign‚ flood protection‚ pest control‚ damage prevention‚ flood control


Lilja Fromme
  • Metadata Provider
  • Originator
  • Point Of Contact
Institut für Terrestrische und Aquatische Wildtierforschung (ITAW)
Dimitri Brosens
  • Metadata Provider
  • Originator
Research Institute for Nature and Forest (INBO)/ Belgian Biodiversity Platform
Emma Cartuyvels
  • Originator
Research Institute for Nature and Forest (INBO)

Geographic Coverage

Mica project areas in Germany: Lake Dümmer, Aschau Teiche, Vechtegebied

Bounding Coordinates South West [52.45, 8.28], North East [52.76, 10.27]

Taxonomic Coverage

The target species for this dataset are Ondatra zibethicus, Procyon lotor and Myocastor coypus

Kingdom Animalia
Phylum Vertebrata
Class Mammalia
Order Rodentia, Carnivora
Family Cricetidae, Myocastoridae, Procyonidae
Species Ondatra zibethicus, Myocastor coypus, Procyon lotor

Temporal Coverage

Start Date / End Date 2019-10-12 / 2021-08-05

Project Data

Coypu (Myocastor coypus) and muskrat (Ondatra zibethicus) are large semi aquatic rodents of American origin that are now found in a wide range of habitats in wetlands, lowlands and reed areas in Belgium, the Netherlands and Germany. Coypu and muskrat populations can be very damaging to their environment. They feed on roots of bulrush and reeds, can consume up to 1.5 m2 of vegetation per night per animal. Endangered species, such as freshwater pearl mussel (Margaritifera margaritifera), little bittern (Ixobrychus minutus) and Eurasian bittern (Botaurus stellaris), suffer from habitat damage and egg destruction. By destroying reed habitats, these invasive alien species (IAS) also drastically affect ecosystem services, diminishing the filtering effects of this habitat and its buffering capacity, and by digging into dikes and quays they seriously increase the risk of floods and human health risks. Moreover, the species damage commercial crops, leading to significant losses in yield. Finally, muskrat and coypu can be carriers of various diseases dangerous to human and pet health such as zoonosis. Coypu and muskrat management operations are a core activity of the regional Dutch Water Authority Rivierenland (WSRL), where trapping operations help minimise the muskrat population and prevent coypu from spreading in the Netherlands.

Title https://lifemica.eu/
Identifier LIFE18 NAT/NL/001047
Funding EU
Study Area Description Flanders, Belgium, The Netherlands, Germany
Design Description Registration of trapped muskrats and coypus is essential to monitor the population and the effectiveness of eradication campaigns. Both the Netherlands and Flanders have set up a registration system for monitoring trapped muskrats and coypus. Data from these applications, together with data from a new application in Germany will be consolidated in one place. This dataset will be made accessible in a purposely build dashboard. Registration of trapped muskrats and coypus is essential to monitor the population and the effectiveness of eradication campaigns. Data of sightings and tracks of both species can be used to increase local trapping effort. It can be also used for the identification of sites where to implement the innovative methods developed in this project. Apart from the target species, it is also important to include observations of non-target species to minimize bycatches in the future.

The personnel involved in the project:

Emma Cartuyvels

Sampling Methods

Data is collected by volunteers and recorded in a Google.sheet

Study Extent Life MICA is an international cooperation with the goal to reduce coypu and muskrat population to a manageable size in order to prevent damage to waterways, biodiversity and plant life. This datasets contains the catches in Germany
Quality Control Data are collected in the field by specialized trappers

Method step description:

  1. Data are collected in the field by specialized trappers
  2. An R script script is created to map the original data to Darwin Core as occurrence Core
  3. The Darwin Core text file (occurrence.txt) is uploaded in the INBO IPT and documented with metadata
  4. The dataset is published and registered with GBIF

Additional Metadata

Alternative Identifiers 7dc4507b-63b7-4579-bd29-c5950018895b