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Nolte, Stefanie; Wanner, Antonia; Stock, Martin; Jensen, Kai (2019): Elymus athericus encroachment experiment [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.899893, Supplement to: Nolte, S et al. (2019): Elymus athericus encroachment in Wadden Sea salt marshes is driven by surface-elevation change. Applied Vegetation Science, 22(3), 454-464, https://doi.org/10.1111/avsc.12443

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Published: 2019-04-02 • DOI registered: 2020-04-18

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Abstract:
The experiment was established in 2007 in the high marsh and consisted of four blocks of 12 m x 8 m. The blocks differed in surface-elevation change during the experiment. Each block was subdivided into 24 plots of 1 m x 1 m. The original elevation of all plots in relation to the German ordnance datum (NHN) was assessed at the start of the experiment. Plots within the blocks were randomly assigned to one of the three N-fertilisation treatments.Within each plot we planted five randomly chosen individuals of Elymus. After four years of treatment, the vegetation composition and cover was recorded in all plots and aboveground biomass was collected.
Keyword(s):
Biomass; Halimione portulacoides; N-deposition; N-fertilisation; Puccinellia maritima; salt marsh; sedimentation; succession
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1BlockBlockNolte, StefanieExperimental setup included 4 blocks
2Experimental plotExperimental plotNolte, Stefanie
3ELEVATIONElevationm a.s.l.Nolte, StefanieGeocode – original elevation at start of experiment of all plots in relation to the German ordnance datum (NHN)
4Surface-elevation changeSurf elevation changecm/aNolte, StefanieSurface-elevation change was assessed for the four year study period per block using the SEB method
5Treatment: nitrogen fertilizingT:N fertg/m2/aNolte, Stefanie
6BiomassBiomg/m2Nolte, Stefanie
7Open soil, coverOpen soil cov%Nolte, Stefanie
8Artemisia maritima, coverA. maritima cov%Nolte, Stefanie
9Aster tripolium, coverA. tripolium cov%Nolte, Stefanie
10Atriplex portulacoides, coverA. portulacoides cov%Nolte, Stefanie
11Atriplex littoralis, coverA. littoralis cov%Nolte, Stefanie
12Elymus athericus, coverE. athericus cov%Nolte, Stefanie
13Festuca rubra, coverF. rubra cov%Nolte, Stefanie
14Glaux maritima, coverG. maritima cov%Nolte, Stefanie
15Halimione portulacoides, coverH. portulacoides cov%Nolte, Stefanie
16Limonium vulgare, coverL. vulgare cov%Nolte, Stefanie
17Plantago maritima, coverP. maritima cov%Nolte, Stefanie
18Puccinellia maritima, coverP. maritima cov%Nolte, Stefanie
19Salicornia europaea, coverS. europaea cov%Nolte, Stefanie
20Spartina anglica, coverS.anglica cov%Nolte, Stefanie
21Spergularia maritima, coverS. maritima cov%Nolte, Stefanie
22Suaeda maritima, coverS. maritima cov%Nolte, Stefanie
23Triglochin maritima, coverT. maritima cov%Nolte, Stefanie
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
2112 data points

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