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  • Data  (5)
  • 2015-2019  (5)
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  • 1
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    Tea Bag Index S and k data of tidal wetland sites, within-site high vs. low (2018)
    PANGAEA
    Details
    Publication Date: 2023-03-10
    Keywords: Ameland; Caribbean Sea; Coon_Island; Dieksanderkoog; Dipper_Harbour; Dongtan; Event label; Isla_Cristobal; Isla_Popa; Isla_Solarte; Laws_Point; MULT; Multiple investigations; Noord-Friesland_Buitendijks; Patuxent_River; Rhode_River; Rimouski; Rush_Ranch; Site; Sonke-Nissen-Koog; South Atlantic Ocean; Spiekeroog; Tea bag index, decomposition rate; Tea bag index, stabilisation factor; TIDE_project; Treatment; Twin_Cays; Venice_Lagoon; Venice, Italy; Wachapreague; Zone
    Type: Dataset
    Format: text/tab-separated-values, 1928 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Tea Bag Index S and k data of tidal wetland sites, means overview (2018)
    PANGAEA
    Details
    Publication Date: 2023-03-10
    Keywords: Alfacs; Ameland; Area/locality; Caribbean Sea; China_Camp; Coon_Island; Dieksanderkoog; Dipper_Harbour; Dongtan; Ecosystem; Event label; Garxal; Isla_Cristobal; Isla_Popa; Isla_Solarte; LATITUDE; Laws_Point; Long_Marsh; LONGITUDE; Mar_Chiquita; Mechelinskie_Laki; MULT; Multiple investigations; Noord-Friesland_Buitendijks; Patuxent_River; Rhode_River; Rimouski; Rush_Ranch; Salinity, code; Schiermonnikoog; Soil composition; Sonke-Nissen-Koog; South Atlantic Ocean; Spiekeroog; Tea bag index, decomposition rate; Tea bag index, stabilisation factor; Temperature, soil; TIDE_project; Tide, amplitude; Twin_Cays; Venice_Lagoon; Venice, Italy; Vilacoto; Wachapreague; Zone
    Type: Dataset
    Format: text/tab-separated-values, 459 data points
    Location Call Number Expected Availability
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  • 3
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    Tea Bag Index S and k data of tidal wetland sites (2018)
    PANGAEA
    In:  Supplement to: Mueller, Peter; Schile-Beers, Lisa M; Mozdzer, Thomas J; Chmura, Gail L; Dinter, Thomas; Kuzyakov, Yakov; de Groot, Alma V; Esselink, Peter; Smit, Christian; D'Alpaos, Andrea; Ibáñez, Carles; Lazarus, Magdalena; Neumeier, Urs; Johnson, Beverly J; Baldwin, Andrew H; Yarwood, Stephanie A; Montemayor, Diana; Yang, Zaichao; Wu, Jihua; Jensen, Kai; Nolte, Stefanie (2018): Global-change effects on early-stage decomposition processes in tidal wetlands – implications from a global survey using standardized litter. Biogeosciences, 15(10), 3189-3202, https://doi.org/10.5194/bg-15-3189-2018
    Details
    Publication Date: 2023-01-13
    Description: Tidal wetlands, such as tidal marshes and mangroves, are hotspots for carbon sequestration. The preservation of organic matter (OM) is a critical process by which tidal wetlands exert influence over the global carbon cycle and at the same time gain elevation to keep pace with sea-level rise (SLR). The present study provides the first global-scale field-based experimental evidence of temperature and relative sea level effects on the decomposition rate and stabilization of OM in tidal wetlands. The study was conducted in 26 marsh and mangrove sites across four continents, utilizing commercially available standardized OM. While effects on decomposition rate per se were minor, we show unanticipated and combined negative effects of temperature and relative sea level on OM stabilization. Across study sites, OM stabilization was 29 % lower in low, more frequently flooded vs. high, less frequently flooded zones. OM stabilization declined by ~ 90 % over the studied temperature gradient from 10.9 to 28.5 °C, corresponding to a decline of ~ 5 % over a 1 °C temperature increase. Additionally, data from the long-term ecological research site in Massachusetts, US show a pronounced reduction in OM stabilization by 〉 70 % in response to simulated coastal eutrophication, confirming the high sensitivity of OM stabilization to global change. We therefore provide evidence that rising temperature, accelerated SLR, and coastal eutrophication may decrease the future capacity of tidal wetlands to sequester carbon by affecting the initial transformations of recent OM inputs to soil organic matter.
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 4
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    Relative frequencies of spore, pollen and algal taxa in core SUBO 18 (Enkingen) (2017)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: Abies; Algal association; Araliaceoipollenites sp.; Artemisiaepollenites sp.; Botryococcus; Carpinuspollenites carpinoides; Caryapollenites sp.; CDRILL; Celtipollenites intrastructurus; Cercidiphyllites minimireticulatus; Chenopodipollis sp.; Compositae undifferentiated; Core drilling; Cyperaceaepollis sp.; DEPTH, sediment/rock; Ephedripites spp.; Ericipites spp.; Faguspollenites verus; Graminidites sp.; Green algae; Halophilic-xerophilic association; Ilexpollenites margaritatus; Inaperturopollenites spp.; Intratriporopollenites instructus; Juglandipollis sp.; Laevigatosporites haardtii; Leiotriletes sp.; Mesophytic understorey plant association + aquatic plants; Momipites punctatus; Monocolpopollenites sp.; Ovoidites; Perinomonoletes sp.; Periporopollenites sp.; Picea/Pinus undifferentiated; Platycaryapollenites sp.; Podocarpidites sp.; Polycolpopollenites hexaradiatus; Polyporopollenites spp.; Polyvestibulopollenites verus; Pterocaryapollenites sp.; Sample code/label; Sigmopollis sp.; Sparganiaceaepollenites sp.; Spores, trilete undifferentiated; Stereisporites sp.; SUBO_18; Swamp forest association; Temperate mixed mesophytic forest canopy association; Tetracolporopollenites sp.; Tetraporina; Triatriopollenites spp.; Tricolpopollenites asper; Tricolpopollenites liblarensis; Tricolpopollenites retiformis; Tricolporopollenites cingulum; Tricolporopollenites edmundii; Tricolporopollenites marcodurensis; Tricolporopollenites microreticulatus; Tricolporopollenites parmularius; Tricolporopollenites pseudocingulum; Tricolporopollenites retimuratus; Tricolporopollenites striatoreticulatus; Tricolporopollenites wackersdorfensis; Triporopollenites rhenanus; Trivestibulopollenites betuloides; Varia; Verrucatosporites spp.; Vitispollenites tener; Warm temperate forest association
    Type: Dataset
    Format: text/tab-separated-values, 455 data points
    Location Call Number Expected Availability
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  • 5
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    Elymus athericus encroachment experiment (2019)
    PANGAEA
    In:  Supplement to: Nolte, Stefanie; Wanner, Antonia; Stock, Martin; Jensen, Kai (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
    Details
    Publication Date: 2024-01-26
    Description: 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.
    Keywords: Artemisia maritima, cover; Aster tripolium, cover; Atriplex littoralis, cover; Atriplex portulacoides, cover; Biomass; Block; ELEVATION; Elymus athericus, cover; Experimental plot; Festuca rubra, cover; Glaux maritima, cover; Halimione portulacoides; Halimione portulacoides, cover; Limonium vulgare, cover; N-deposition; N-fertilisation; Open soil, cover; Plantago maritima, cover; Puccinellia maritima; Puccinellia maritima, cover; Salicornia europaea, cover; salt marsh; sedimentation; Spartina anglica, cover; Spergularia maritima, cover; Suaeda maritima, cover; succession; Surface-elevation change; Treatment: nitrogen fertilizing; Triglochin maritima, cover
    Type: Dataset
    Format: text/tab-separated-values, 2112 data points
    Location Call Number Expected Availability
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