ZB 121 PTJ 4 IBG-2 3 IBG-3 2 IEK-8 2

Barsch, H. 3 Bierwagen, C. 3 Saupe, G. 3 Brahms, E. 2 Erdmann, Karl-Heinz 2 Fischer, Wolfgang 2 more ... Genennig, Bernd 2 Heitkamp, Barbara 2 Henle, Klaus 2 Heringer, Josef. 2 Hovestadt, Thomas 2 Janßen, U. 2 Kaule, Giselher 2 Mühlenberg, Michael 2 Müller, C. 2 Ney, Patrizia 2 Pummerer, S. 2 Roeser, Johannes 2 Stettmer, Christian. 2 Barrett, E. C. 1 Baumann, Peter. 1 Becker, H. 1 Berger, John J. 1 Boettger, M. 1 Brauer, Heinz 1 Brown, Anthony H. D. 1 Burdon, Jeremy J. 1 Collins, Wanda W. 1 Collis, R. T. 1 Creasey, D. J. 1 see all ... less ...

environmental protection 42 nature conservation 31 landscape 25 ecology 24 ecosystem 24 environmental policy 18 more ... environmental pollution 14 agricultural use 12 biotope 12 agriculture 11 environmental balance 11 environmental education 11 environmental quality 10 soil protection 10 area planning 9 biodiversity 9 environmental impact 8 environmental impact assessment 8 environmental impact statement 8 sustainable development 8 environmental monitoring 6 environmental program 6 mining 6 population ecology 6 wetland 6 animal welfare 5 biosphere 5 environmental effect 5 environmental engineering 5 environmental law 5 see all ... less ...

UHP - Protection of nature and landscape 131 UHN - Landscape ecology 33 LCK - Ecology - general aspects 23 LCM - Terrestrial ecology 16 UHC - Area planning and environment 10 LWE - Agriculture - general aspects 9 more ... UCA - Environmental problems, man and environment - general aspects 7 LWV - Agriculture - plant protection 6 GPA - Geobiology - general 5 LCL - Biotopes, ecosystems 5 URA - Soil chemistry 5 GBA - General geology, historical geology 4 LCN - Ecology - soil sciences 4 GNA - Geology - soil sciences 3 LCMC - Plants - ecology 3 LWH - Agriculture - soil sciences 3 UPVF - Surface waters - streams, rivers, lakes 3 AEG - Official corporations - Germany 2 GCAA - Regional geology - Germany 2 GSC - Remote sensing 2 GUA - Geography - general 2 LCH - Ecology - methods 2 LCMG - Animals - ecology 2 LCP - Limnology 2 LWF - Agriculture - methods 2 UCJ - Environmental protection - general aspects 2 UEA - Environmental policy and economy - general aspects 2 UEG - Environmental programs and expertises 2 UMGE - Carbon capture and storage (CCS) 2 UMV - Climatic change 2 see all ... less ...

German 14 English 6