Objective
To provide quantification of the ecosystem impacts of future climate change as well as providing essential rate and process data for the construction, calibration and validation of process-oriented models to predict the response of forests and freshwaters in Europe to future changes in atmospheric CO2 and climate.
CLIMEX is an ongoing project in which the atmospheric CO2 is enriched to 560 ppmv and air
temperature is raised by 5 C above ambient to an entire forested headwater catchment ecosystem.
The experiment uses a 1200 m2 greenhouse located at Risdalsheia, southernmost Norway.
CLIMEX began in December 1992 with the installation of measurement equipment. One year's
background data (pre-treatment) was collected during the period April 1993 through March 1994.
Treatment began in April 1994. CLIMEX II will continue the experiment through January 1997
giving 32 months treatment.
CLIMEX is an integrated, whole-ecosystem research project studying the response of entire
catchments to increased CO2 and temperature. It is 100 times larger than previous wholeecosystem CO2 and temperature experiments and achieves both CO2 and air temperature
manipulation to mature forests in situ. This whole-catchment manipulation allows quantification
of links between terrestrial and aquatic ecosystems and provides direct experimental evidence on
the effect of climate change on (European) natural forests, terrestrial ecosystems and water
resources.
Theoretically, catchment ecosystems will show a cascade of responses to increased CO2 and
temperature. The first expected step was observed in the first year of treatment: increased CO2
changed rates of photosynthesis and stomatal densities in several of the major plant species
present at Risdalsheia. These responses are expected to cause further changes in soil, soil
solution and ultimately runoff water, with delays at each step. Increased temperature also rapidly
influenced plants, causing delayed senescence in the first growing season. Increased temperature
is also expected to cause rapid response in soils, primarily by increasing the rate of mineralisation
of soil organic matter.Again these responses are expected to cause a cascade of effects within
the ecosystem ultimately affecting runoff water quality and net flux of gases from the catchments.
Continuation of CLIMEX treatment is necessary to meet the objectives of documenting the
ecosystem response to the experimental treatment. CLIMEX will continue to focus research on
the ecosystem response to climate change, in particular the
plant-soil-water linkages and
processes. The objectives are, by means of large-scale and continued manipulation with CO2
enrichment and elevated temperature; (i) to measure changes in CO2 uptake, gas exchange and
plant community phenology; (ii) to measure changes in forest growth and nutrient status; (iii)
to measure changes in ground vegetation and nutrients; (iv) to determine change in
mineralisation of soil organic matter; (v) to determine changes in soil fauna and biologically
mediated processes; and, (vi) to measure the effects on runoff water quality and quantity.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences biological sciences ecology ecosystems
- natural sciences earth and related environmental sciences hydrology limnology
- natural sciences earth and related environmental sciences atmospheric sciences climatology climatic changes
- natural sciences biological sciences botany
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
OX10 8BB WALLINGFORD
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.