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CASCADE: CAtastrophic Shifts in drylands: how CAn we prevent ecosystem DEgradation?
|Project acronym: CASCADE
Project full title: CAtastrophic Shifts in drylands: how CAn we prevent ecosystem DEgradation?
Instrument: Collaborative Large Integrated Project (IP)
Grant agreement no.: 283068
Start: 01/01/2012, End: 30/6/017, Duration: 66m;
Consortium: 14 partners
Project Coordinator: Prof. Coen J. Ritsema, Alterra, Soil Science Centre in Wageningen, the Netherlands, Tel +31 317 486517; Fax +31 317 419000; email: Coen.Ritsema@wur.nl
Project Web Site: http://www.cascade-project.eu/, http://esdac.jrc.ec.europa.eu/projects/cascade
Key words: drylands, desertification
Press Release: Making drylands more resilient with a CASCADE of new research, 17 June: World day to combat desertification
One of the most challenging themes in ecology over the last decades is the quest for the understanding of discontinuous changes in ecosystems. Discontinuous shifts have already been observed and analyzed for a wide variety of ecological systems, including lakes, drylands, peatlands, rangelands, marine systems, and musselbeds.
Some of these discontinuous shifts in ecosystems imply undesired and irreversible changes. For example, shallow lakes can suddenly change into eutrophic systems with a large loss in biological diversity.
CASCADE will investigate and analyze a range of dryland ecosystems in southern Europe to obtain a better understanding of sudden shifts in drylands that may lead to major losses in biodiversity and concomitant ecosystem services.
Based on these analyses, CASCADE will develop ways to predict the proximity of the CASCADE's dryland ecosystems to thresholds in such a way that these predictions can be used by policymakers and land users for more sustainable management of drylands worldwide.
CASCADE is assessing current biophysical conditions in healthy, partly-degraded and strongly degraded selected plant-soil systems at study sites in Portugal, Spain (2), Italy, Greece and Cyprus. Then it will determine the effects of imposed drought on plant-soil ecosystem functioning, including facilitation and competition between plants, and how these processes affect plant resource use, survival and growth. Four sites are examining overgrazing and its effects, and the remaining 2 look at the effects of wildfires changing forest to shrub. CASCADE partners responsible for the study sites met in Italy recently to refine ideas for the planned experiments. The number and location of plots have been agreed, plus common guidelines for all measurements and sampling procedures for the plants and soils.
CASCADE project is described in a brochure (used for public dissemination). The CASCADE brochure is available in the following 5 languages:
CASCADE publishes its first newsletter. Donwload the Newsletter No 1 (April 2014) reporting on our recent Plenary meeting in Paphos, Cyprus.
CASCADE 12-page booklet about overgrazing in the Randi Forest site, in Cyprus
The contribution of JRC is mainly concentrated on the data management of the project. JRC implements the database of the plot sites and will handle the data management. Find attached the CASCADE Project poster.
SOIL team chaired a 90-minute CASCADE Special Session at the UNCCD conference in Bonn, Germany in April 2013: http://2sc.unccd.int/home/
Session title: Catastrophic shifts in drylands: how can we prevent ecosystem degradation?
Special Session on how to overcome the difficulties of successful engagement of non-scientific stakeholders.