LWF site Davos

SURVEY CONTACT FREQUENY PERIOD
Keysom - Key to soil organic matter dynamics and modellingAline Frossardonce01.06.2017
Atmospheric deposition (throughfall and bulk deposition) LWFAnne Thimonierfortnightly01.01.2009
Moss analyses LWFLotti Thöni (FUB, Rapperswil) sporadically2010,2015
Litterfall LWFAnne Thimonierevery 4 to 8 weeks06.05.2009
Foliar analyses LWFAnne Thimonierbi-annually2007- (Picea abies)
Forest Ecosystem responses to climatic driversNina Buchmann (ETH)weekly2012-2013
Circular vegetation plots LWFAnne Thimonierevery 2 to 10 years11.08.2008
Permanent vegetation quadrats LWFAnne Thimonierevery 2 to 10 years11.08.2008
Ground vegetation sampling (N-Cycle)Sophia Etzoldonce11.08.2011
Leaf area index (LAI) LWFAnne Thimonierevery 2 to 10 years11.08.2008
Phenological observations LWFAnne Thimonierfortnightly01.01.2009
Soil matrix chemistry LWFLorenz Walthertonce01.08.2007
Soil Organic Matter Fate (SwissSOM - SOMFate)Samuel Abivenonce09.08.2014
Matric potential (manual suction cups) LWFKatrin Meusburgerfortnightly01.01.2009-01.09.2023
Soil solution chemistry (lysimeters) LWFKatrin Meusburgerfortnightly01.05.2010
isotope composition of nitrate in soil solution LWFElisabeth Graf Pannatierfortnightly01.01.2012
EC-5 soil water content measurement LWFPeter Waldnercontinuously20.08.2008
SwissSPOT - Measuring the soil water situation on LWF sitesKatrin Meusburgercontinuously05.05.2020
Soil gas exchange N2O, CO2, CH4Stephan Zimmermannfortnightlyx
Symptoms of O3 injuries LWFMarcus Schaubannually2009-2018
Tree Diameter and Height Inventory LWFArthur Gessler5 years30.10.2004
Crown Condition Assessment and Damage Cause Assessment LWFArthur Gesslerannually22.06.2006
Deadwood survey LWF 2013 - subplotPeter Waldner10 years22.10.2013
Deadwood survey LWF 2013 - line intersectPeter Waldner10 years22.10.2013
Deadwood sampling at Sanasilva and LWF sitesPeter Waldneronce01.07.2009
Sapflow measurements LWFChristian Hugcontinuously01.01.1998
automatic circumference band measurementChristian Hugcontinuously01.01.2006
Manual circumference band measurement LWFArthur Gesslerannually08.11.2006
Automated point dendrometer measurements at LWF sitesRoman Zweifelcontinuously01.01.1998
TreeNet - The biological drought and growth indicator networkRoman Zweifelcontinuously01.01.2012
Dendrochronological analyses of tree core samples (subplot) LWFStefan Klesseonce01.11.2013
Stem discs LWFPaolo Cherubinisporadically2015 (Spätherbst), 30.08.2016
Integrated Carbon Observation System -LWF Davos SeehornwaldNina Buchmann (ETH)sporadically01.04.2013
Tree pathogen interactions at LWF sitesDaniel Riglingonce01.08.2007