44 datasets found

  • Tree Diameter and Height Inventory LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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

    ...

    Last updated: July 12, 2022

    • SERVICE
    • long-term-forest-ecosystem-research
    • lwf
    • tree-growth
    • swiss-forest-lab
    • icp-forests
  • Foliar analyses LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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...

    Last updated: September 3, 2021

    • SERVICE
    • swiss-forest-lab
    • tree-nutrition
    • long-term-forest-ecosystem-research
    • icp-forests
    • foliar-analyses
  • Crown Condition Assessment and Damage Cause Assessment Sanasilva

    EnviDat: the Environmental Data Portal
    Education, culture and 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...

    Last updated: September 3, 2021

    • SERVICE
    • forest-vitality
    • crown-condition
    • long-term-forest-ecosystem-research
    • damaging-agents
    • icp-forests
    • damage-causes
    • swiss-forest-lab
    • forest-condition
  • Dendrochronological analyses of tree core samples (dominant trees) LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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...

    Last updated: September 3, 2021

    • SERVICE
    • stand-history
    • dendrochronology
    • long-term-forest-ecosystem-research
    • swiss-forest-lab
    • tree-ring-width
    • dominant-trees
    • icp-forests
  • Soil morphology LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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...

    Last updated: September 3, 2021

    • SERVICE
    • soil-matrix
    • icp-forests
    • swiss-forest-lab
    • soil-classification
    • texture
    • long-term-forest-ecosystem-research
  • Matric potential (manual suction cups) LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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...

    Last updated: September 3, 2021

    • SERVICE
    • long-term-forest-ecosystem-research
    • icp-forests
    • soil-water-matrix-potential
    • swiss-forest-lab
    • lwf
  • Meteorological measurements LWF

    EnviDat: the Environmental Data Portal
    Education, culture and sport

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

    Last updated: September 3, 2021

    • SERVICE
    • icp-forests
    • swiss-forest-lab
    • lwf
    • meteorological-measurements
    • long-term-forest-ecosystem-research
  • Crown Condition Assessment and Damage Cause Assessment LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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...

    Last updated: September 3, 2021

    • SERVICE
    • icp-forests
    • long-term-forest-ecosystem-research
    • forest-vitality
    • swiss-forest-lab
    • forest-condition
    • damage-cause-assessment
  • Soil matrix chemistry LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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....

    Last updated: September 3, 2021

    • SERVICE
    • icp-forests
    • soil-matrix
    • soil-chemistry
    • swiss-forest-lab
    • long-term-forest-ecosystem-research
  • Automated point dendrometer measurements at LWF sites

    EnviDat: the Environmental Data Portal
    Education, culture and sport

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

    Purpose:

    Assessment of growth and water related stem changes

    Last updated: September 3, 2021

    • SERVICE
    • swiss-forest-lab
    • icp-forests
    • stem-diameter
    • long-term-forest-ecosystem-research
    • tree-growth
  • MPS-2 soil water matric potential LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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...

    Last updated: September 3, 2021

    • SERVICE
    • soil-water-matrix-potential
    • long-term-forest-ecosystem-research
    • water-cycle
    • swiss-forest-lab
    • icp-forests
  • Deadwood survey LWF 1995 - line intersect

    EnviDat: the Environmental Data Portal
    Education, culture and 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...

    Last updated: September 3, 2021

    • SERVICE
    • icp-forests
    • deadwood
    • swiss-forest-lab
    • coarse-woody-debris
    • long-term-forest-ecosystem-research
  • Stem discs LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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

    Last updated: September 3, 2021

    • SERVICE
    • stem-disc
    • tree-ring-width
    • swiss-forest-lab
    • dendrochronology
    • long-term-forest-ecosystem-research
    • icp-forests
  • Passive sampling of NH3 LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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....

    Last updated: September 3, 2021

    • SERVICE
    • long-term-forest-ecosystem-research
    • swiss-forest-lab
    • icp-forests
    • ambient-air-quality
    • passive-sampling
    • ammonia
    • nitrogen
  • Deadwood sampling at Sanasilva and LWF sites

    EnviDat: the Environmental Data Portal
    Education, culture and 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,...

    Last updated: September 3, 2021

    • SERVICE
    • nitrogen
    • long-term-forest-ecosystem-research
    • carbon
    • swiss-forest-lab
    • icp-forests
    • lignin
    • deadwood
  • Leaf area index (LAI) LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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...

    Last updated: September 3, 2021

    • SERVICE
    • swiss-forest-lab
    • leaf-area-index
    • foliage
    • icp-forests
    • long-term-forest-ecosystem-research
  • Phenological observations LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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...

    Last updated: September 3, 2021

    • SERVICE
    • tree-phenology
    • long-term-forest-ecosystem-research
    • icp-forests
    • precipitation
    • swiss-forest-lab
  • Manual circumference band measurement LWF

    EnviDat: the Environmental Data Portal
    Education, culture and 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:...

    Last updated: September 3, 2021

    • SERVICE
    • swiss-forest-lab
    • icp-forests
    • stem-diameter
    • long-term-forest-ecosystem-research
    • tree-growth
  • TDR Pfynwald

    EnviDat: the Environmental Data Portal
    Education, culture and 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,...

    Last updated: September 3, 2021

    • SERVICE
    • swiss-forest-lab
    • soil-water-content
    • long-term-forest-ecosystem-research
    • icp-forests
    • irrigation
  • Ozone measurement and analysis in the Intercantonal Forest Observation Program

    EnviDat: the Environmental Data Portal
    Education, culture and 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...

    Last updated: January 27, 2023

    • CSV
    • long-term-forest-ecosystem-research
    • long-term-monitoring
    • ozone
    • swiss-forest-lab
    • wdb