[1] Game & Wildlife Conservat Trust, Farmland Ecol Unit, Fordingbridge SP6 1EF, England
[2] Agroscope, Agroecol & Environm, CH-8046 Zurich, Switzerland
[3] Scuola Super Sant Anna, Inst Life Sci, Agroecol Grp, Via Santa Cecilia 3, I-56127 Pisa, Italy
[4] Wageningen Univ & Res, Crop Syst Anal, Droevendaalsesteeg 1, NL-6708 PB Wageningen, Netherlands
[5] Wageningen Univ & Res, Farming Syst Ecol, Droevendaalsesteeg 1, NL-6708 PB Wageningen, Netherlands
[6] Univ Pisa, Ctr Agri Environm Res Enrico Avanzi, Via Vecchia di Marina 6, I-56122 Pisa, Italy
[7] Univ Koblenz Landau, Inst Environm Sci, IES Landau, Fortstr 7, D-76829 Landau, Germany
[8] Univ Bordeaux, Bordeaux Sci Agro, INRAE, UMR 1065 Sante & Agroecol Vignoble, F-33170 Bordeaux, France
[9] Wageningen Univ & Res, Wageningen Plant Res, Lingewal 1, NL-6668 LA Randwijk, Netherlands
[10] Szent Istvan Univ, Inst Plant Protect, Pater K Str 1, H-2100 Godollo, Hungary
[11] European Commiss, Joint Res Ctr JRC, Via E Fermi 2749, I-21027 Ispra, VA, Italy
[12] SOLAGRO, 75 Voie TOEC,CS 27608, F-31076 Toulouse 3, France
[13] Estonian Univ Life Sci, Inst Agr & Environm Sci, Kreutzwaldi 1, EE-51006 Tartu, Estonia