{"title":"Pfynwald - Switzerland","id":{"prefix":"https:\/\/deims.org\/","suffix":"278e7e05-b17e-4f68-af8d-fae07270c91a"},"type":"site","created":"2018-12-13T12:52:31+01:00","changed":"2025-01-07T11:14:56+01:00","attributes":{"affiliation":{"networks":[{"network":{"name":"GERI","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"c3abdc60-49f1-49db-81fe-863b7dbb21d3"}},"siteCode":null,"verified":true},{"network":{"name":"ILTER","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"1aa7ccb2-a14b-43d6-90ac-5e0a6bc1d65b"}},"siteCode":null,"verified":true},{"network":{"name":"LTER Europe","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"4742ffca-65ac-4aae-815f-83738500a1fc"}},"siteCode":null,"verified":true},{"network":{"name":"LTER Switzerland","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"cedf695c-c6dc-4660-b944-3c22f12ad0d9"}},"siteCode":"LTER_EU_CH_020","verified":true},{"network":{"name":"TreeNet","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"c466c94b-e4af-44db-b6ec-4b9831173204"}},"siteCode":null,"verified":true}],"projects":[{"label":"Teabag","uri":null},{"label":"eLTER (H2020)","uri":"https:\/\/cordis.europa.eu\/project\/id\/654359"},{"label":"eLTER PLUS (H2020) - RA","uri":"https:\/\/doi.org\/10.3030\/871128"},{"label":"eLTER PLUS (H2020) - TA","uri":"https:\/\/doi.org\/10.3030\/871128"},{"label":"eLTER PLUS (H2020) - VA","uri":"https:\/\/doi.org\/10.3030\/871128"}]},"contact":{"siteManager":[{"type":"person","name":"Charlotte Grossiord","email":"charlotte.grossiord@epfl.ch","orcid":"https:\/\/orcid.org\/0000-0002-9113-3671"},{"type":"person","name":"Jonas Gisler","email":"jonas.gisler@wsl.ch","orcid":null},{"type":"person","name":"Marcus Schaub","email":"marcus.schaub@wsl.ch","orcid":"https:\/\/orcid.org\/0000-0002-0158-8892"}],"operatingOrganisation":[{"type":"organisation","name":"Swiss Federal Institute for Forest, Snow and Landscape Research (WSL)","url":"http:\/\/www.wsl.ch\/index_EN","ror":"https:\/\/ror.org\/04bs5yc70"}],"metadataProvider":[{"type":"person","name":"Jonas Gisler","email":"jonas.gisler@wsl.ch","orcid":null},{"type":"person","name":"Volodymyr Trotsiuk","email":"volodymyr.trotsiuk@wsl.ch","orcid":"https:\/\/orcid.org\/ 0000-0002-8363-656X"}],"fundingAgency":[{"type":"organisation","name":"Swiss Federal Institute for Forest, Snow and Landscape Research (WSL)","url":"http:\/\/www.wsl.ch\/index_EN","ror":"https:\/\/ror.org\/04bs5yc70"},{"type":"organisation","name":"Swiss National Science Foundation (SNF)","url":"https:\/\/www.snf.ch\/en","ror":null},{"type":"organisation","name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale Lausanne (EPFL)","url":"https:\/\/www.epfl.ch\/en\/","ror":null}],"siteUrl":[{"title":"VPDrought","value":"https:\/\/vpdrought.wsl.ch"},{"title":"The Pfynwald research platform","value":"https:\/\/www.wsl.ch\/en\/about-wsl\/instrumented-field-sites-and-laboratories\/experimental-sites-in-forests\/the-pfynwald-research-platform\/"}]},"general":{"abstract":"As the largest contiguous pine forest in Switzerland, the Pfyn forest in Canton Valais (46\u00b0 18\u0027 N, 7\u00b0 36\u0027 E, 615 m ASL) offers the best conditions for such measurements.  In light of this, a WSL research team installed a long-term experiment of 20 years duration in the Pfyn forest.  The average temperature here is 9.2\u00b0C, the yearly accumulated precipitation is 657 mm (average 1961-1990). The pines in the middle of the forest are about 100 years old and 10.8 m high. The test area has 876 trees covering 1.2 ha divided into 8 plots of 1\u0027000 m2 each (Image 4). Between the months of April and October four of these plots are irrigated by a sprinkler system providing an additional 700 mm of water, annually. In the other four plots, the trees grow under natural, hence relatively dry conditions. 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Irrigation (additional 700 mm per year) has been provided since 2003. In 2013, 1\/3 of the area of each irrigated plot, the irrigation has been stopped (irrigation-stop). 6 scaffolds (2 per treatment; ambient, irrigated, irrigation-stop) are providing access into the crown of approx. 3-6 trees per scaffold. Two containers provide shelter for instruments, computers and storage. 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