Thomas Oliver Robert ollie@projectseagrass.org 0009-0000-1636-9492 Unsworth Richard K F r.k.f.unsworth@swansea.ac.uk Swansea University https://www.swansea.ac.uk https://ror.org/053fq8t95 2026 Spatial (polygon) data of restored seagrass planted in North Wales between 2023–2024 by Project Seagrass dataset https://doi.pangaea.de/10.1594/PANGAEA.996144 2026-07-24T12:14:17 https://doi.pangaea.de/10.1594/PANGAEA.996148 This dataset was collected in support of a study on the resilience of restored seagrass (Zostera marina) meadows to marine heatwave exposure in North Wales, United Kingdom (Thomas et al., 2026). It provides polygon-vector spatial data, in shapefile format, delineating the boundaries of the planted seagrass areas, derived from dGPS-surveyed vertices recorded at four restoration sites in North Wales between February 2023 and April 2024. Thomas Oliver Robert ollie@projectseagrass.org 0009-0000-1636-9492 Patterson Bridget M 0009-0000-8621-2247 Rowland Caroline Berthou Ségolène 0000-0002-9164-0841 Worsfold Mark 0000-0003-0722-4456 Yates Emily 0009-0000-0776-4466 Keen Charlotte den Haan Stijn Unsworth Richard K F r.k.f.unsworth@swansea.ac.uk 2026 Marine heat waves endanger the rebuilding of marine life journal article Environmental Research Letters 21(10) https://doi.org/10.1088/1748-9326/ae6d17 104019 SORNW Seagrass Ocean Rescue North Wales https://www.wwf.org.uk/what-we-do/projects/north-wales-seagrass-ocean-rescue World Wide Fund for Nature International WWF http://www.wwf.org/ https://ror.org/001pprn90 Natural Environment Research Council NERC http://www.nerc.ac.uk/ https://doi.org/10.13039/501100000270 NE/V016385/1 The National Lottery Heritage Fund HLF https://www.heritagefund.org.uk/ https://doi.org/10.13039/501100016135 NL-21-00035 48.1 CC-BY-4.0 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ File designation Bounding box (WGS84 / EPSG:4326): -4.773560, 52.776186, -4.034729, 53.438991 Data collected between: 2023-02-20 and 2024-03-13 Elevation: Intertidal zone / sea level Method: Spatial shapefile GPS points created using 2 cm resolution DGPS Campaign: NWMHWOTRU2026 Data format: .zip containing .shp .shx .dbf CRS: EPSG:27700 — OSGB36 / British National Grid Authors: Project Seagrass CurationLevelC Enhanced curation https://wiki.pangaea.de/wiki/Curation_levels Field experiment In-situ Monitoring restoration Spatial data author106706 author118504 author118506 author118507 author118508 author118509 author118510 author118511 author118512 award5164 award5167 curlevel30 funder1797 funder22897 inst22896 inst2617 journal5064 license21 project5123 ref140776 term38842 term47611 term50572 term52587 term78391