LWF site Visp

SURVEY CONTACT FREQUENY PERIOD
Meteorological measurements LWFMatthias Hänicontinuously16.04.1997
Atmospheric deposition (throughfall and bulk deposition) LWFAnne Thimonierfortnightly05.07.2001
Stemflow analyses LWFAnne Thimonierfortnightly
Moss analyses LWFLotti Thöni (FUB, Rapperswil) sporadically2005,2010,2015
Interactive effects of CO2 and light conditions on conifer drought resistance at LWF sitesChristoph Bachofenfortnightly2013-2015
Litterfall LWFAnne Thimonierevery 4 to 8 weeks05.07.2001
Foliar analyses LWFAnne Thimonierbi-annually1997- (Pinus sylvestris), 2017- (Quercus petrea)
Circular vegetation plots LWFAnne Thimonierevery 2 to 10 years26.07.1996
Permanent vegetation quadrats LWFAnne Thimonierevery 2 to 10 years26.07.1996
Ground vegetation sampling (N-Cycle)Sophia Etzoldonce12.07.2011
Leaf area index (LAI) LWFAnne Thimonierevery 2 to 10 years23.07.1996
Phenological observations LWFAnne Thimonierfortnightly05.07.2001
Soil morphology LWFLorenz Walthertonce12.08.1997
Soil matrix chemistry LWFLorenz Walthertonce12.08.1997
Matric potential (manual suction cups) LWFKatrin Meusburgerfortnightly
Soil solution chemistry (lysimeters) LWFKatrin Meusburgerfortnightly
isotope composition of nitrate in soil solution LWFElisabeth Graf Pannatierfortnightly01.01.2012
TDR soil water content measuremments LWF VispKatrin Meusburgercontinuously01.01.2001-25.04.2013
EC-5 soil water content measurement LWFPeter Waldnercontinuously01.03.2009
MPS-2 soil water matrix potential LWFKatrin Meusburgercontinuously25.04.2013
10-HS PfynwaldKatrin Meusburgercontinuously
TDR PfynwaldKatrin Meusburgercontinuously
MPS-2 on LWF Visp to survey 2017 mortality waveKatrin Meusburgercontinuously25.04.2013
Soil gas exchange N2O, CO2, CH4Stephan Zimmermannfortnightly18.04.2008-2009
Passive sampling of O3 LWFMarcus Schaubfortnightly2002-2004
Continuous measurement of O3 LWFMarcus Schaubcontinuously
Symptoms of O3 injuries LWFMarcus Schaubannually31.08.2002
Tree Diameter and Height Inventory LWFArthur Gessler5 years31.05.2000
Crown Condition Assessment and Damage Cause Assessment SanasilvaArthur Gesslerannually
Crown Condition Assessment and Damage Cause Assessment LWFArthur Gesslerannually11.07.1996
Deadwood survey LWF 2013 - subplotPeter Waldner10 years12.10.2013
Deadwood survey LWF 2013 - line intersectPeter Waldner10 years
Deadwood survey Sanasilva 2013Peter Waldner10 years
Deadwood survey LWF 1995 - line intersectMatthias Dobbertin, Nathalie Bretz Gubi10 years
Deadwood survey LWF 2005 - subplot (Forets Biota)Silvia Stofer10 years05.10.2005
Deadwood sampling at Sanasilva and LWF sitesPeter Waldneronce01.07.2009
Sapflow measurements LWFChristian Hugcontinuously
Manual circumference band measurement LWFArthur Gesslerannually10.04.2001
Automated point dendrometer measurements at LWF sitesRoman Zweifelcontinuously
TreeNet - The biological drought and growth indicator networkRoman Zweifelcontinuously01.05.2011
Dendrochronological analyses of tree core samples (dominant trees) LWFPaolo Cherubinionce1996 (1932-1996)
Dendrochronological analyses of tree core samples (CATS) adjacent to LWF sitesPascale Weberonce
Dendrochronological analyses of tree core samples (IsoN) adjacent to LWF sitesGreg Tomlinsononce
Dendrochronological analyses of tree core samples (subplot) LWFStefan Klesseonce
Stem discs LWFPaolo Cherubinisporadically
Tree pathogen interactions at LWF sitesDaniel Riglingonce12.08.1997