ec2748b6-83a2-471b-bf89-7e5bffb8a79a https://ipt.inbo.be/resource?r=inboveg-ht3260-events inboveg-ht3260-events An Leyssen Research Institute for Nature and Forest (INBO)

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an.leyssen@inbo.be 0000-0003-3537-286X Kevin Scheers Research Institute for Nature and Forest (INBO)

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kevin.scheers@inbo.be 0000-0002-4756-4247 Vincent Smeekens Research Institute for Nature and Forest (INBO)

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vincent.smeekens@inbo.be 0000-0003-2996-2716 Stijn Cooleman Research Institute for Nature and Forest (INBO) / Belgian Biodiversity Platform

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stijn.cooleman@inbo.be 0000-0003-3029-0451 An Leyssen Research Institute for Nature and Forest (INBO)

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an.leyssen@inbo.be 0000-0003-3537-286X Stijn Cooleman Research Institute for Nature and Forest (INBO) / Belgian Biodiversity Platform

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stijn.cooleman@inbo.be 0000-0003-3029-0451 2026-09-18 eng This dataset comprises aquatic vegetation surveys conducted across Flemish watercourses from the summer of 2015 onward. The primary objective is to define the Local Conservation Status (LCS or LSVI in Dutch) of Natura 2000 habitat type 3260 (Water courses of plain to montane levels with the Ranunculion fluitantis and Callitricho-Batrachion vegetation) in Flanders (northern Belgium). The surveys followed a standardized protocol, recording aquatic vegetation and its coverage using a modified Tansley scale across 100-meter segments (Leyssen et al. 2005, Leyssen 2017). Where segment width was recorded, total sampled surface area was calculated and mapped to the Darwin Core (dwc) 'sampleSize' data fields. Although site selection was based on the distribution of the habitat type, typical species for habitat type 3260 were not observed at every location. Presence of the habitat type is noted in the dwc ‘habitat’ data field. Using standardized evaluation criteria (Oosterlynck et al. 2020), the Research Institute for Nature and Forest (INBO) integrates these survey data to evaluate habitat quality and conservation trends in Flanders (Vanden Borre et al. 2025) for periodic reporting under the EU Habitats Directive.This dataset comes from INBOVEG, the Flemish vegetation database, also part of the Global Index of Vegetation-plot databases (GIV) and the European Vegetation Archive. This GBIF dataset contains the same data as in INBOVEG: its relevant GIV identification code is IV2016110814174836 (HT3260).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 would follow these norms for data use (http://www.inbo.be/en/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 (https://doi.org/10.15468/sbyhsn) 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 opendata@inbo.be. Samplingevent GBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type_2015-07-10.xml Natura 2000 Habitat type 3260 Flanders n/a 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. Creative Commons Zero v1.0 Universal https://spdx.org/licenses/CC0-1.0.html CC0-1.0 Flanders, Belgium 2.54 5.92 51.51 50.68 2015-06-18 2024-09-18 kingdom Plantae asNeeded Sophie Vermeersch Research Institute for Nature and Forest (INBO)

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sophie.vermeersch@inbo.be 0009-0001-5836-1189 2026-08-17T13:07:55.617+00:00 dataset Leyssen A, Scheers K, Smeekens V, Cooleman S (2026). INBOVEG - Vegetation surveys to evaluate the local conservation status (LSVI) of habitat type 3260 (Ranunculion fluitantis & Callitricho-Batrachion) in Flanders, Belgium. Version 1.2. Research Institute for Nature and Forest (INBO). Samplingevent dataset. https://ipt.inbo.be/resource?r=inboveg-ht3260-events&v=1.2 Leyssen A., Adriaens P., Denys L., Packet J., Schneiders A., Van Looy K. & Vanhecke L. (2005). Toepassing van verschillende biologische beoordelingssystemen op Vlaamse potentiële interkalibratielocaties overeenkomstig de Europese Kaderrichtlijn Water – partim “Macrofyten”. Rapport van het Instituut voor Natuurbehoud; Vol. 5. Instituut voor Natuurbehoud, Brussel. Leyssen, A. (2017). Vegetatieopname en LSVI-bepaling van habitat 3260. Procedure SVP-403. Instituut voor Natuur- en Bosonderzoek, Brussel. https://inbo.github.io/protocols/2023.05/index.html Oosterlynck P., De Saeger S., Leyssen A., Provoost S., Thomaes A., Vandevoorde B., Wouters J. & Paelinckx D. (2020). Criteria voor de beoordeling van de lokale staat van instandhouding van de Natura 2000-habitattypen, versie 3.0. Rapporten van het Instituut voor Natuur- en Bosonderzoek; Nr. 27. Instituut voor Natuur- en Bosonderzoek, Brussel. https://doi.org/10.21436/inbor.14061248 Vanden Borre J., Westra T., Vandevoorde B., Provoost S., Leyssen A., De Saeger S., Oosterlynck P., Thomaes A. & Carmen R. (2025). Regionale staat van instandhouding voor de habitattypen van de habitatrichtlijn. Rapportageperiode 2019 ‐ 2024. Rapporten van het Instituut voor Natuur- en Bosonderzoek; Nr. 71. Instituut voor Natuur- en Bosonderzoek, Brussel. https://doi.org/10.21436/inbor.135133190 ec2748b6-83a2-471b-bf89-7e5bffb8a79a/v1.2.xml