Daten

Tree Diameter and Height Inventory LWF

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und 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

...

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...

Crown Condition Assessment and Damage Cause Assessment Sanasilva

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und 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 health...

Dendrochronological analyses of tree core samples (dominant trees) LWF

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und 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 and...

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...

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...

Meteorological measurements LWF

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und Sport

Continuous measurement of air temperature, relative humidity, wind speed and direction, global radiation, photosynthetic active radiation, UVB radiation, and precipation in an open...

Crown Condition Assessment and Damage Cause Assessment LWF

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und Sport

Assessment of damges, i.e. symptoms, extent and causes on trees.

Purpose:

Occurrence and extent of diseases

Manual Citation:

• Matthias Dobbertin, Christian Hug, Andreas...

Soil matrix chemistry LWF

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und 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....

Automated point dendrometer measurements at LWF sites

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und Sport

Continuous stem radius measurements to investigate carbon balance and water relations of trees

Purpose:

Assessment of growth and water related stem changes

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...

Deadwood survey LWF 1995 - line intersect

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und 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...

Stem discs LWF

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und 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

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....

Deadwood sampling at Sanasilva and LWF sites

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und 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,...

Leaf area index (LAI) LWF

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und 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 are...

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...

Manual circumference band measurement LWF

EnviDat: das Umwelt-Datenportal
Bildung, Kultur und Sport

Tree circumference change measurements from plastic girth bands

Purpose:

Assessment of annual tree stem growth

Manual Citation:

• Dobbertin M, Neumann M, 2016: Part V:...

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,...

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...