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Tree Diameter and Height Inventory LWF
Istruzione, cultura e sport
Tree circumference, height, height to crown base measurements, mortality, decay class and removal assessment on LWF plots Purpose: Assessment of tree and forest growth M...
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Foliar analyses LWF
Istruzione, cultura e 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...
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Crown Condition Assessment and Damage Cause Assessment Sanasilva
Istruzione, cultura e sport
Annual Crown Condition Assessment including mortality and removal and Damage Causse Assessment on the Sanasilva-Sites and LWF plots. Purpose: To assess tree and forest healt...
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Dendrochronological analyses of tree core samples (dominant trees) LWF
Istruzione, cultura e sport
Two stem core samples of 12 to 20 trees outside the plot of each main species in the plot were taken at breast height (1.3 m above ground) with a SUUNTO corer. Tree ring width a...
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Soil morphology LWF
Istruzione, cultura e 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...
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Matric potential (manual suction cups) LWF
Istruzione, cultura e 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 rang...
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Meteorological measurements LWF
Istruzione, cultura e sport
Continuous measurement of air temperature, relative humidity, wind speed and direction, global radiation, photosynthetic active radiation, UVB radiation, and precipation in an o...
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Crown Condition Assessment and Damage Cause Assessment LWF
Istruzione, cultura e sport
Assessment of damges, i.e. symptoms, extent and causes on trees. Purpose: Occurrence and extent of diseases Manual Citation: * Matthias Dobbertin, Christian Hug, Andr...
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Soil matrix chemistry LWF
Istruzione, cultura e sport
Assessment of several chemical soil parameters at the beginning of the monitoring campaign. Most parameters were determined accordung to the manual of ICP-Integrated-Monitoring....
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Automated point dendrometer measurements at LWF sites
Istruzione, cultura e sport
Continuous stem radius measurements to investigate carbon balance and water relations of trees Purpose: Assessment of growth and water related stem changes
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MPS-2 soil water matric potential LWF
Istruzione, cultura e 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...
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Deadwood survey LWF 1995 - line intersect
Istruzione, cultura e sport
Assessment of coarse woody debris on LWF plots using the line intersect method Purpose: Assessing the amount of coarse woody debris Manual Citation: * Matthias Dobbe...
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Stem discs LWF
Istruzione, cultura e sport
Measurement of tree ring widts in tree stem disks according to 'Bräker O.U. (1993) Anleitung zur Entnahme von Stammscheiben auf Ertragskundeflächen' Purpose: tree growth
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Passive sampling of NH3 LWF
Istruzione, cultura e 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 ye...
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Deadwood sampling at Sanasilva and LWF sites
Istruzione, cultura e sport
Sampling of deadwood for density and chemical analysis during summer 2009 Purpose: Determination of N and C pools of deadwood Paper Citation: * WEGGLER, K.; DOBBERTIN...
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Leaf area index (LAI) LWF
Istruzione, cultura e sport
Leaf area index (LAI), defined as the total one-sided foliage area per unit ground surface area, is one of the most important characteristics of plant canopy structure. Leaves a...
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Phenological observations LWF
Istruzione, cultura e 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 pot...
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Manual circumference band measurement LWF
Istruzione, cultura e sport
Tree circumference change measurements from plastic girth bands Purpose: Assessment of annual tree stem growth Manual Citation: * Dobbertin M, Neumann M, 2016: Part ...
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TDR Pfynwald
Istruzione, cultura e 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, Beaver...
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Deadwood survey LWF 2013 - line intersect
Istruzione, cultura e 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 Manua...
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Continuous measurement of O3 LWF
Istruzione, cultura e 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 ...
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Dendrochronological analyses of tree core samples (CATS) adjacent to LWF sites
Istruzione, cultura e 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:...
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MPS-2 on LWF Visp to survey 2017 mortality wave
Istruzione, cultura e 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 f...
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Deadwood survey LWF 2013 - subplot
Istruzione, cultura e 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 amou...
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Passive sampling of NO2 LWF
Istruzione, cultura e sport
NO₂ concentrations were measured at 11 LWF plots (1999/2000) with passive samplers (Palmes-type diffusion tubes) during one year. Three samplers per site and period (usual...
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