ba1bf66f-863b-46c7-bdce-ec5853c16c55 https://ipt.inbo.be/resource?r=pov-fishes-occurrences Filip Mahieu Province East Flanders

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filip.mahieu@oost-vlaanderen.be Pieter Boets Province East Flanders

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pieter.boets@oost-vlaanderen.be 0000-0001-8183-328X Mechtild Zoeter Vanpoucke Province East-Flanders

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mechtild.zoeter.vanpoucke@oost-vlaanderen.be Lien Reyserhove Research Institute for Nature and Forest (INBO)

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lien.reyserhove@inbo.be 0000-0001-7484-9267 Damiano Oldoni Research Institute for Nature and Forest (INBO)

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damiano.oldoni@inbo.be 0000-0003-3445-7562 Sanne Govaert Research Institute for Nature and Forest (INBO)

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sanne.govaert@inbo.be 0000-0002-8939-1305 Filip Mahieu Province East Flanders

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filip.mahieu@oost-vlaanderen.be 2026-04-12 eng The Monitoring of fishes and crustaceans by Province East Flanders in Flanders, Belgium is an sampling event dataset published by the Province East Flanders (Belgium). The data are collected from targeted monitoring on non-navigable watercourses, from 1985 onwards. Earlier collected data was digitized afterwards, newly collected data is digitized immediately. Only non-threatened species are presented in this dataset. The data are published as a standardized Darwin Core Archive and includes for each occurrence record an occurrenceID, date, location, quantification, length, weight where available and scientific name. Also the physico-chemical parameters of the watercourses at that moment are given when available. Issues with the dataset can be reported at https://github.com/riparias/pov-fishes-occurrences/issuesWe have released this dataset to the public domain under a Creative Commons Attribution License. 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. Samplingevent GBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type_2015-07-10.xml Fishes crustacea Invasive alien species Province East-Flanders LIFE RIPARIAS n/a This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License. https://www.riparias.be/ Flanders 2.53 5.94 51.51 50.67 1985-10-24 2026-01-20 Fishes and crustacea class Actinopterygii phylum Crustacea weekly Filip Mahieu Province East Flanders

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filip.mahieu@oost-vlaanderen.be The source data for this standardized occurrence dataset is retrieved from a web feature service (WFS) This data file was uploaded to a github repository (https://github.com/riparias/pov-fishes-occurrences/blob/main/data/raw/) We developed a RMarkdown (https://github.com/riparias/pov-fishes-occurrences/blob/main/src/dwc_mapping.Rmd) and SQL (https://github.com/riparias/pov-fishes-occurrences/tree/main/sql) script to document and perform the transformation of the data to Darwin Core,which includes transforming the data to an event core (https://rs.gbif.org/core/dwc_event_2022-02-02.xml), an occurrence extension (https://rs.gbif.org/core/dwc_occurrence_2022-02-02.xml) and a measurement or facts extension (https://rs.gbif.org/extension/dwc/measurements_or_facts_2022-02-02.xml) The resulting Darwin Core data files are uploaded to the INBO IPT (https://ipt.inbo.be) and documented with metadata. The dataset is published and registered with GBIF. Flanders Targeted monitoring All inventarisations are performed and controlled by people with sufficient biological knowledge. Tim Adriaens 0000-0001-7268-4200 author Etienne Branquart author Peter Desmet 0000-0002-8442-8025 author Dido Gosse author Jérémie Guyon author Damiano Oldoni 0000-0003-3445-7562 author Lien Reyserhove 0000-0001-7484-9267 author Sonia Vanderhoeven 0000-0002-6298-5373 author Xavier Vermeersch 0000-0003-1752-8226 principalInvestigator The spread of invasive alien species (IAS) is not hampered by administrative borders. Aquatic IAS, in particular, spread rapidly through the hydrographic network. To effectively control such species requires coordinated management at higher spatial scales. LIFE RIPARIAS (Reaching Integrated and Prompt Action in Response to Invasive Alien Species) aims to achieve such coordination across regional borders in Belgium, supported by open data and open infrastructure for early warning and management reporting. LIFE RIPARIAS aims at improving decision making on IAS management, early warning systems and management reporting tools. To this end, it develops an evidence-based workflow, translating national management objectives into concrete actions in an efficient manner. Ultimately the project aims at increasing the conservation status of aquatic and riparian habitats. More information on LIFE RIPARIAS is available at the project homepage: https://www.riparias.be/. You can also follow LIFE RIPARIAS on Twitter (@LIFEriparias) and Facebook (LIFE Riparias). LIFE RIPARIAS is co-funded by the three Belgian regions and the European Union in the framework of the LIFE Programme (LIFE19 NAT/BE/000953). It is running from 2021 to 2026. Dijle, Mark and Zenne river basin of the Scheldt district, Belgium. LIFE RIPARIAS focuses on aquatic and riparian plants as well as crayfish species located in the Dijle, Mark and Zenne river basin of the Scheldt district in Belgium. Cumulative observation data collected in 2000-2015, completed by data gathered from field surveillance in 2021-2022, will provide the baseline to design management objectives and define quantitative targets. 2022-11-20T03:06:15.556+00:00 dataset Mahieu F, Boets P, Zoeter Vanpoucke M, Reyserhove L, Oldoni D, Govaert S (2026). Monitoring of fishes and crustaceans by Province East Flanders in Flanders, Belgium. Version 1.136. Province East Flanders. Samplingevent dataset. https://ipt.inbo.be/resource?r=pov-fishes-occurrences&v=1.136 ba1bf66f-863b-46c7-bdce-ec5853c16c55/v1.136.xml