Eidgenössische Forschungsanstalt für Wald, Schnee und Landschaft WSL

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...

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...

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...

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...

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:...

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...

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...

Phenological observations LWF

EnviDat: das Umwelt-Datenportal
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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...

Foliar analyses LWF

EnviDat: das Umwelt-Datenportal
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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...

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...

Atmospheric deposition (throughfall and bulk deposition) LWF

EnviDat: das Umwelt-Datenportal
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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....

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,...

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...

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

Passive sampling of NH3 LWF

EnviDat: das Umwelt-Datenportal
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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....

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...

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:

...

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...

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...

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...