45 Datensätze gefunden

  • MPS-2 soil water matric potential LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Continuous measurement of soil matrix potential at 15, 50 and 80 cm depth with Decagon MPS-2 sensors

    Purpose:

    Improve the available data for the calibration or validation of...

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Ozone measurement and analysis in the Intercantonal Forest Observation Program

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    In order to quantify effects of ozone on Swiss forest ozone flux calculations are needed. Currently 5 stations are operated to measure the ozone load on forests. These data form...

    Zuletzt aktualisiert: 27. Januar 2023

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  • Permanent vegetation quadrats LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Ground vegetation is an important compartment of the ecosystem in terms of biodiversity and it takes an active part in the general functioning of the ecosystem. It is also a useful...

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Stemflow LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Stemflow (portion of precipitation running down the branches and the trunk and depositing at the base of the tree) can represent a substantial fraction of the total water and...

    Zuletzt aktualisiert: 3. September 2021

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  • 10-HS Pfynwald

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Continuous measurement of soil water content at 10 and 80 cm depth (3 replications) with 10-HS soil moisture probes (Decagon Incorporation, Pullman, WA, USA).

    Purpose:...

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • MPS-2 on LWF Visp to survey 2017 mortality wave

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Continuous measurement of soil matrix potential at 15, 50 and 100 cm depth with Decagon MPS-2 sensors 1 m N, SE and SW from the stem of 3 threes within much and 3 trees within few...

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Dendrochronological analyses of tree core samples (subplot) LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Two stem core samples of all trees of a subplot of approximately 1 a. Basal Area, Wood volume increment per area estimation

    Purpose:

    Investigation of the relation between...

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Phenological observations LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Phenological observations are recorded every 14 days on LWF plots where throughfall and bulk precipitation are sampled. The percentage of foliage in reference to its maximum...

    Zuletzt aktualisiert: 3. September 2021

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  • Foliar analyses LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Foliage has been sampled every two years since 1995/1997 on 5-6 trees of the main species on all LWF plots. Concentrations of macronutrients (N, P, K, Ca, Mg, S), carbon (C) and...

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Continuous measurement of O3 LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Measuring air pollutants in forests is important for evaluating the risk for vegetation in areas not covered by conventional air quality monitoring networks. Ozone measurements are...

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Atmospheric deposition (throughfall and bulk deposition) LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Throughfall (precipitation under forest canopy) is a major pathway in forest nutrient cycling, and its quantification is necessary to establish both water and nutrient budgets....

    Zuletzt aktualisiert: 3. September 2021

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  • TDR Pfynwald

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Continuous measurement of soil water content at one control and

    in one irrigated plot in 10, 40 and 60 cm depth (4 replications) with TDR (Tektronix

    1502B cable tester,...

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Matric potential (manual suction cups) LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Measurement of the soil water availability to plants at 10 LWF plots every 14 days in 5 soil depths (15, 30, 50, 80, 130 cm) with 8 replicates (usually in the IM plot). The range...

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Sapflow measurements LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Continuous sap flow measurements with Granier-needles to investigate carbon balance and water relations of trees

    Purpose:

    Assessment of water cycle processes

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Passive sampling of NH3 LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    NH₃ concentrations were measured at 11 LWF plots (1999/2000) with Zürcher passive samplers (Palmes-type diffusion tubes with an acidic solution as absorbent) during one year....

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Soil morphology LWF

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Description of several morphological soil properties at the beginning of the monitoring campaign. The properties were described for all genetic horizons in soil pits if possible...

    Zuletzt aktualisiert: 3. September 2021

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  • Dendrochronological analyses of tree core samples (CATS) adjacent to LWF sites

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    There were 2 cores taken at 1.3 m height from each of 10 trees outside the LWF plot

    Purpose:

    influence of drought and nutrient availabiliy on tree growth

    Paper Citation:

    ...

    Zuletzt aktualisiert: 3. September 2021

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  • Deadwood survey LWF 2013 - line intersect

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Assessment of coarse woody debris on LWF plots using the line intersect method (repetition of the 1995 survey)

    Purpose:

    Assessing the amount of coarse woody debris

    Manual...

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Deadwood survey LWF 2013 - subplot

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Assessment of coarse woody debris on LWF plots using the line intersect method and full count methods on subplots (repetition of the 2005 survey)

    Purpose:

    Assessing the amount...

    Zuletzt aktualisiert: 3. September 2021

    • SERVICE
  • Soil solution monitoring of the Intercantonal Forest Observation Program

    EnviDat: das Umwelt-Datenportal
    Bildung, Kultur und Sport

    Since 1997 soil solution samplers are installed in certain plots of the Intercantonal Forest Observation Program *[Intercantonal Forest Observation...

    Zuletzt aktualisiert: 27. Januar 2023

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