Objective
THE GENERAL OBJECTIVE IS TO TEST WHETHER THE AMBIENT CONCENTRATIONS OF ATMOSPHERIC POLLUTANTS IN IMPORTANT AGRICULTURAL AREAS AFFECT CROPS YIELD OR NOT.
THE PARTICULAR OBJECTIVE OF THE PRESENT PROPOSAL WILL BE TO FIND OUT BY WHICH MECHANISMS THE AIR POLLUTANTS SO2, NO2 AND O3 ARE AFFECTING AGRICULTURAL PLANTS AND TO WHAT EXTEND EARLY INDICATORS FOR POLLUTION STRESS CAN BE DERIVED FROM THE KNOWLEDGE OF THESE MECHANISMS. TO ACHIEVE THIS AIM OPEN-TOP CHAMBERS WILL BE USED AS EXPOSURE SYSTEMS AND TWO MAIN EXPERIMENTAL APPROACHES WILL BE CHOSEN.
1. USING 24 OPEN-TOP CHAMBERS WITH FILTERED AIR POTTED AGRICULTURAL PLANTS WILL BE FUMIGATED WITH LOW CONCENTRATIONS OF SO2, NO2 AND O3 EITHER SINGLY OR IN COMBINATION (I.E. SO2 + NO2; SO2 + O3; NO2 + O3; SO2 + NO2 + O3) THROUGHOUT THE WHOLE GROWING SEASON.
2. THE EFFECT OF AIR POLLUTANTS ON RELEVANT SPECIES OF A PERMANENT GRASSLAND SITE WILL BE EVALUATED BY PLACING 4 OPEN-TOP CHAMBERS WITH FILTERED AND 4 WITH NON-FILTERED AIR OVER SELECTED AREAS OF A GRASSLAND SITE NEAR BRAUNSCHWEIG/FRG. COMPARISONS WILL BE MADE BETWEEN PLANT SPECIES GROWING IN THE FILTERED AND NON-FILTERED ATMOSPHERE AND PLANT SPECIES GROWING IN OPEN FIELD PLOTS. THIS SHOULD BE DONE AT LEAST OVER THREE GROWING SEASONS. BOTH EXPERIMENTAL UNITS WILL THOROUGHLY BE CONTROLLED FOR THEIR POLLUTION LEVELS (SO2, NO2, O3) AND CLIMATIC CONDITIONS (WIND SPEED, AIR TEMPERATURE, RELATIVE HUMIDITY, PHOTOSYNTHETIC ACTIVE RADIATION) INSIDE AND OUTSIDE OF THE OPEN-TOP CHAMBERS. AT THE GRASSLAND SITE ADDITIONAL AIR POLLUTION PARAMETERS WILL BE MEASURED.
RELATED TO THE OBJECTIVES OF THE PROPOSAL THE BIOLOGICAL ASSESSMENT OF THE POLLUTION EFFECTS WILL MAINLY BE CARRIED OUT BY MEASURING THE FOLLOWING PHYSIOLOGICAL AND BIOCHEMICAL PARAMETERS OF PLANTS FROM BOTH EXPERIMENTAL UNITS :
CONTENT OF : NITRATE, NITRITE, SULPHATE, SULPHITE, CALCIUM, MAGNESIUM, POTASSIUM
ACTIVITIES OF ENZYMES : GLUTAMATE DEHYDROGENASE, GLUTAMINE SYNTHETASE, GLUTAMATE SYNTHASE, NITRATE REDUCTASE, PEROXIDASE, SUPEROXIDE DISMUTASE
WATER RELATIONS : CONTENT OF PROLINE, TRANSPIRATION, OSMOTIC POTENTIAL, CONTENT OF ASORBATE, CHLOROPHYLL CONTENT, BUFFERING CAPACITY, CONTENT OF SOLUBLE PROTEIN.
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 chemical sciences inorganic chemistry alkali metals
- natural sciences chemical sciences inorganic chemistry alkaline earth metals
- engineering and technology environmental engineering air pollution engineering
- natural sciences earth and related environmental sciences environmental sciences pollution
- natural sciences biological sciences biochemistry biomolecules proteins enzymes
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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
38116 BRAUNSCHWEIG
Germany
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.