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Hildebrandt, Nina; Sander, Lasse: Plant growth and biomass measurements from a mesocosm experiment on the effects of sediment properties and warming on the salt-marsh pioneer Salicornia, Sylt, Germany [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.995619 (dataset in review)

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Abstract:
This dataset contains plant growth and biomass measurements collected during a controlled mesocosm experiment conducted at the AWI Sylt Outdoor Mesocosm facility, Wadden Sea Station Sylt, Germany, between June and September 2025. The experiment investigated the effects of sediment grain size, microtopography and climate warming on the salt marsh pioneer Salicornia. Plants were grown in PVC tubes filled with sandy, mixed or muddy sediments and exposed to four different climate treatments (ambient, warming, warming-drought, heatwave-drought). Climate treatments were implemented through active control of the water temperature. Experimental microtopographies simulated small-scale elevation differences. Plant height was measured repeatedly to quantify growth dynamics. Above ground biomass was measured at the end of the experiment. The experiment was conducted under controlled mesocosm conditions to quantify the relative importance of sediment properties, topographic variation and warming for pioneer marsh vegetation performance.
Keyword(s):
Climate warming; coastal wetland; mesocosm experiment; plant growth; Salicornia; salt marsh; sediment grain size; topography; Wadden Sea
Related to:
Dummermuth, Angelika; Wiltshire, Karen Helen; Kirstein, Inga Vanessa; Brodte, Eva-Maria; Wichels, Antje; Shama, Lisa N S; Bergmann, A; Hofmann, Claudia; Fischer, Philipp; Mölter, Kerstin; Strasser, Matthias (2023): Marine Stations Helgoland and Sylt operated by the Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research. Journal of large-scale research facilities JLSRF, 8(1), https://doi.org/10.17815/jlsrf-8-184
Funding:
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven (AWI), grant/award no. AWI_BAH_o10: SALTGARDEN Mesocosm at Marine Stations Helgoland and Sylt
Dutch Research Council (NWO), grant/award no. NWA.1438.20.007: SALTGARDEN
Coverage:
Latitude: 55.022083 * Longitude: 8.438167
Date/Time Start: 2025-06-03T12:00:00 * Date/Time End: 2025-09-10T12:00:00
Event(s):
SALTex2025 * Latitude Start: 55.022083 * Longitude Start: 8.438167 * Latitude End: 55.022083 * Longitude End: 8.438167 * Date/Time Start: 2025-06-03T12:00:00 * Date/Time End: 2025-09-10T12:00:00 * Location Start: List/Sylt, Germany * Location End: List/Sylt, Germany * Method/Device: Mesocosm experiment (MESO)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventHildebrandt, Nina
2Type of studyStudy typeHildebrandt, Nina
3Tank numberTank NoHildebrandt, Nina
4Treatment: climateT:climateHildebrandt, Nina
5DescriptionDescriptionHildebrandt, Ninaof treatment climate
6Treatment: sedimentT:sedimentHildebrandt, Nina
7LocationLocationHildebrandt, Ninaof sediment treatment within tank
8TubesTubes#Hildebrandt, NinaID
9Treatment: topographyT:topographyHildebrandt, Nina
10Species, unique identificationSpecies UIDHildebrandt, Nina
11Plant identificationPlant IDHildebrandt, Nina
12Plant heightPlant hcmHildebrandt, Ninameasured on 2025-06-06
13Plant heightPlant hcmHildebrandt, Ninameasured on 2025-06-18
14Plant heightPlant hcmHildebrandt, Ninameasured on 2025-06-27
15Plant heightPlant hcmHildebrandt, Ninameasured on 2025-07-07
16Plant heightPlant hcmHildebrandt, Ninameasured on 2025-07-16
17Plant heightPlant hcmHildebrandt, Ninameasured on 2025-07-25
18Plant heightPlant hcmHildebrandt, Ninameasured on 2025-08-04
19Plant heightPlant hcmHildebrandt, Ninameasured on 2025-08-13
20Plant heightPlant hcmHildebrandt, Ninameasured on 2025-08-22
21Plant heightPlant hcmHildebrandt, Ninameasured on 2025-09-01
22Plant heightPlant hcmHildebrandt, Ninameasured on 2025-09-08; measured with cropped plant
23Biomass, aboveground, wet massBiom abovegr wmgHildebrandt, Nina
24Biomass, aboveground, dry massBiom abovegr dmgHildebrandt, Nina
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
22717 data points

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