{"key":"63c98e2f-a3bc-40fd-b7e4-c68c157cdf93","installationKey":"d0e2b9a9-8496-4959-8cba-a7fea22537eb","publishingOrganizationKey":"c8ac507d-0869-4792-9c3a-6f2e60c2b1de","doi":"10.15468/rewgwn","external":false,"numConstituents":0,"type":"OCCURRENCE","title":"Plant community structure on Khortytsia Island and adjacent areas after the Kakhovka Reservoir disaster (2024)","description":"<p>This dataset contains occurrence records of vascular plants collected during geobotanical surveys conducted in August 2024 on Khortytsia Island and adjacent territories (Zaporizhzhia Oblast, southern Ukraine). The surveys were carried out in the aftermath of the destruction of the Kakhovka Reservoir in June 2023, which drastically transformed the regional hydrological regime and ecological conditions. Field observations were conducted within a regular sampling grid using standard Braun-Blanquet phytosociological methods. The data include species identity, abundance, and precise geographic coordinates. The dataset aims to support biodiversity monitoring, post-disaster assessment, and ecological restoration efforts in the lower Dnipro region.</p>","language":"eng","citation":{"text":"Zhukov O, Kunakh O, Lisovets O, Tutova H, Zhukov O (2025). Plant community structure on Khortytsia Island and adjacent areas after the Kakhovka Reservoir disaster (2024). Bohdan Khmelnytsky Melitopol State Pedagogical University. Occurrence dataset https://doi.org/10.15468/rewgwn accessed via GBIF.org on 2026-10-15.","citationProvidedBySource":false},"contactsCitation":[{"key":6091392,"abbreviatedName":"Zhukov O","firstName":"Olexander","lastName":"Zhukov","roles":["ORIGINATOR"],"userId":["https://orcid.org/0000-0003-3661-3012"]},{"key":6091393,"abbreviatedName":"Kunakh O","firstName":"Olga","lastName":"Kunakh","roles":["ORIGINATOR","METADATA_AUTHOR"],"userId":["https://orcid.org/0000-0002-3631-8884"]},{"key":6091394,"abbreviatedName":"Lisovets O","firstName":"Olena","lastName":"Lisovets","roles":["ORIGINATOR"],"userId":["https://orcid.org/0000-0002-2503-3648"]},{"key":6091395,"abbreviatedName":"Tutova H","firstName":"Hanna","lastName":"Tutova","roles":["ORIGINATOR"],"userId":["https://orcid.org/0000-0003-0961-7608"]},{"key":6091396,"abbreviatedName":"Zhukov 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sampling was conducted in August 2024 as part of a post-disaster ecological survey on Khortytsia Island and surrounding areas affected by the collapse of the Kakhovka Reservoir. Vegetation data were collected using a regular grid-based design with 10×10 m plots. Within each plot, all vascular plant species were recorded, and their abundance was estimated using the Braun-Blanquet cover-abundance scale. The sampling aimed to capture the structural and functional composition of plant communities in newly formed and transformed habitats, including exposed sediments, secondary meadows, and degraded riverbanks. Geographic coordinates were recorded with handheld GPS devices and later corrected using satellite imagery.","coverages":[{"scientificName":"Tracheophyta","rank":{"verbatim":"phylum","interpreted":"PHYLUM"}},{"scientificName":"Magnoliopsida","rank":{"verbatim":"class","interpreted":"CLASS"}},{"scientificName":"Liliopsida","rank":{"verbatim":"class","interpreted":"CLASS"}}]}],"geographicCoverages":[{"description":"The dataset covers Khortytsia Island and adjacent floodplain areas along the Dnipro River within the city of Zaporizhzhia, southeastern Ukraine. This region represents a unique steppe and riparian ecosystem located in the lower Dnipro basin, which was severely affected by the collapse of the Kakhovka Dam in June 2023. The study area includes riverbanks, former reservoir terraces, and newly exposed habitats formed after the reservoir's drainage.","boundingBox":{"minLatitude":47.77,"maxLatitude":47.8,"minLongitude":35.11,"maxLongitude":35.16,"globalCoverage":false}}],"temporalCoverages":[{"@type":"range","start":"2024-08-01T00:00:00.000+00:00","end":"2024-08-31T00:00:00.000+00:00"}],"keywordCollections":[{"thesaurus":"GBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type_2015-07-10.xml","keywords":["August 2024","succession","vascular plants","biodiversity","riparian vegetation","Dnipro River","Ukraine","Khortytsia Island","Occurrence","post-disaster monitoring","Kakhovka Reservoir"]}],"project":{"title":"Post-disaster vegetation monitoring on Khortytsia Island and adjacent floodplains (2024–2026)","identifier":"Khortytsia-Resilience-Project-2024","awards":[],"relatedProjects":[],"abstract":"The project focuses on post-disaster monitoring of plant communities in the Dnipro River region affected by the collapse of the Kakhovka Reservoir in June 2023. Field surveys were initiated on Khortytsia Island (Zaporizhzhia) and adjacent floodplain habitats to assess vegetation response to abrupt hydrological and ecological changes. The aim is to document species composition, functional traits, and hemeroby indicators over a multi-year period (2024–2026), and to inform ecological restoration and biodiversity conservation strategies in the lower Dnipro basin."},"samplingDescription":{"studyExtent":"The study was conducted on Khortytsia Island and adjacent floodplain territories in Zaporizhzhia, southeastern Ukraine. The surveyed area spans approximately 12 square kilometers within the lower Dnipro River basin. Sampling plots were distributed across various habitat types, including alluvial meadows, exposed reservoir terraces, floodplain forests, and ruderal sites newly formed or transformed after the collapse of the Kakhovka Reservoir in June 2023. The 2024 field campaign focused on establishing a baseline for long-term monitoring of vegetation dynamics under conditions of post-disaster ecological succession and altered hydrology.","sampling":"A regular sampling grid was applied across the study area using 4×4 m vegetation plots. Within each plot, all vascular plant species were identified and their abundance recorded as individual counts. The plots were placed across a variety of habitats including floodplain meadows, ruderal zones, and newly exposed riverbank areas formed after the drainage of the Kakhovka Reservoir. All sampling locations were georeferenced using handheld GPS units and later validated with high-resolution satellite imagery. Fieldwork was conducted over several consecutive days in August 2024 to capture peak vegetation development and species richness across the affected landscape.","methodSteps":["A systematic sampling grid was established over the study area on Khortytsia Island and nearby floodplains.\n\nIn August 2024, field teams recorded all vascular plant species within 4×4 m plots, noting individual counts for each taxon.\n\nEach observation was georeferenced using handheld GPS devices.\n\nField data were digitized and cleaned in spreadsheet format.\n\nScientific names were verified and standardized according to the GBIF Backbone Taxonomy.\n\nThe dataset was structured using the Darwin Core standard and prepared for publication via the Integrated Publishing Toolkit (IPT)."]},"countryCoverage":[],"collections":[],"dataDescriptions":[],"dataLanguage":"eng","pubDate":"2025-05-03T00:00:00.000+00:00","maintenanceUpdateFrequency":"AS_NEEDED","maintenanceDescription":"","license":"http://creativecommons.org/publicdomain/zero/1.0/legalcode","dwca":{"coreType":"http://rs.tdwg.org/dwc/terms/Occurrence","extensions":[],"modified":"2026-07-11T16:31:46.071+00:00"},"approximateCounts":{"occurrenceCount":1629}}