Leibniz Institute for Agricultural Engineering Potsdam-Bornim (http://www.atb-potsdam.de) Research Institute for the Biology of Farm Animals, Dummerstorf (http://www.fbn-dummerstorf.de) Leibniz Institute of Agricultural Development in Central and Eastern Europe, Halle (Saale) (http://www.iamo.de) Leibniz Institute of Freshwater Ecology and Inland Fisheries, Berlin (http://www.igb-berlin.de) Leibniz Institute of Vegetable and Ornamental Crops, Großbeeren/Erfurt (http://www.igzev.de) Leibniz Institute of Plant Biochemistry, Halle (Saale) (http://www.ipb-halle.de) Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben (http://www.ipk-gatersleben.de) Leibniz Centre for Agricultural Landscape Research, Muencheberg (http://www.zalf.de)