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The site Klausen-Leopoldsdorf is part of the European Level II Forest Monitoring System in the frame of the International Co-operative Programme on Assessment and Monitoring of Air Pollution Effects on Forests (ICP Forests). The site was established in 1995 and is, since 2006, part of the LTER Austria network. It is situated in a homogenous 80 years-old managed beech stand about 20km west of Vienna. The LTER-CWN research area in Klausenleopoldsdorf is divided into 3 subplots: a measuring weir, a dendrometer/sapflow measuring facility and GHG-chambers for measuring the fluxes of CO2 and other relevant GHG´s. All 3 subplots were installed in 2019 to collect high-resolution data. The measuring weir is located at about 475m a.s.l and the other subplots (denrometer/sapflow, GHG measuring chambers) are located at about 510m a.s.l. The observed catchment of the measuring weir has an area of 46 hectares. The dominating soil types in the catchment are Planosoils and Stagnosols. The subplots are situated in the near vicinity of the ICP-forest plot.
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Historically, the role of the Galapagos Islands has been considered critical due to the evolutionary diversification induced by natural and historical isolation. The Galapagos National Park was established in 1959, based on its historical importance associated with Charles Darwin's voyage and its rare and endemic biodiversity, composed of unique vertebrate and plant communities (Rozzi et al. 2010). In 1978, the Galapagos Islands were declared a UNESCO World Heritage Site, a critical factor associated with this national park (Rozzi et al. 2010). The Galapagos Islands are a pristine area with local and regional climates influenced by the interaction of ocean currents and winds driven by the Inter-Tropical Convergence Zone; ITCZ (Conroy et al. 2008, Trueman and d'Ozouville 2010). The long-term programme includes forty natural aquatic ecosystems (lakes, ponds, lagoons and swamps) that will be sampled on the islands of San Cristobal, Santa Cruz, Isabela and Floreana, where possible along a lowland-highland gradient. The number of sampling points will vary according to environmental heterogeneity and the presence of a littoral region, among other factors.