AH4 Bildnachweis S. 5.1: cloki / Thinkstock; S. 6.1a: Vinh / stock.adobe.com; S. 6.1b: Shanvood / stock.adobe.com; S. 6.2: Eric Isselée - lifeonwhite.com / Thinkstock; S. 8.ob: guenterguni / Getty Images; S. 12.1: Perytskyy / stock.adobe.com; S. 12.2: normankrauss / stock.adobe.com; S. 12.3: APA-Images / Alfred Schauhuber; S. 12.4: Countrypixel / stock.adobe.com; S. 12.5: Hubert Floh / öbv, Wien; S. 12.6: Hubert Floh / öbv, Wien; S. 12.7: Hubert Floh / öbv, Wien; S. 12.8: LianeM / Fotolia; S. 13.1: Thomas Winz / Getty Images; S. 13.2: riskms / Getty Images - iStockphoto; S. 13.3: APA-Images / dpa; S. 13.4: APA-Images / TopFoto / Archive; S. 13.5: Universal History Archive / Getty Images; S. 13.6: APA-Images / PhotoAlto / Odilon Dimier; S. 16.1: alphafotos / stock.adobe.com; S. 16.2: iiievgeniy / Getty Images; S. 16.3: Markus Bolliger / stock.adobe.com; S. 16.4: fineart-collection / stock.adobe.com; S. 17.1: Agrarmarkt Austria Marketing (AMA), Wien; S. 17.2: Agrarmarkt Austria Marketing (AMA), Wien; S. 17.3: Europäische Kommission / Landwirtschaft und ländliche Entwicklung www.organic-farming.europa.eu; S. 18.1: mauritius images / Frank Hecker / Alamy; S. 21.1: kartoxjm / Fotolia; S. 21.2: cpauschert / Fotolia; S. 23.1: Andrew Howe / iStockphoto; S. 23.2: Stephan Rech - NFSR / Fotolia; S. 23.3: Simone1181 / Getty Images - iStockphoto; S. 23.4: Argument / Getty Images - iStockphoto; S. 23.5: IJdema / Thinkstock; S. 23.6: avs_lt / Fotolia; S. 23.7: mauribo / Getty Images - iStockphoto; S. 23.8: Pim leijen / iStockphoto; S. 24.1: Angela Sorrentino / iStockphoto; S. 24.2: Laura Primo / stock.adobe.com; S. 24.3: naturganznah; S. 24.4: Pavel Sergijchuk / Getty Images - iStockphoto; S. 24.5: Pam Walker / stock.adobe.com; S. 24.6: sonne07 / Fotolia; S. 24.7: LianeM / Fotolia; S. 24.8: emer / Fotolia; S. 24.9: O.Riepe / stock.adobe.com; S. 24.10: dinar12 / stock.adobe.com; S. 26.1: Stockhausen / stock.adobe.com; S. 26.2: Hanna / stock.adobe.com; S. 26.3: Lost_in_ the_Midwest / stock.adobe.com; S. 28.o1: KATERINA.AI / stock.adobe.com; S. 33.2: bonezboyz / stock.adobe.com; S. 33.o: Guntars Grebezs / iStockphoto.com; S. 34.1: bilderbox / Fotolia; S. 37.1: Jae Young Ju / Getty Images - iStockphoto; S. 37.2: subjug / Getty Images - iStockphoto; S. 40.m1: Anastasia Shilova / Fotolia; S. 40.m2: PhotoZel / Getty Images - iStockphoto; S. 40.m3: Juanmonino / Getty Images - iStockphoto; S. 40.o1: feedough / Getty Images - iStockphoto; S. 40.o2: Yuri Arcurs / Fotolia; S. 40.o3: MDV Edwards / Getty Images - iStockphoto; S. 41.m: Westend61 / Getty Images; S. 41.u1: Brandon Laufenberg / Getty Images; S. 42.1: Alex AVEDESSIAN / 500px / Getty Images; S. 42.2: Mariia Demchenko / Getty Images; S. 42.3: Alex AVEDESSIAN / 500px / Getty Images; S. 42.4: Rosemary Calvert / Getty Images; S. 46.1: APA-Images / PhotoResearchers / Richard Ellis Nur zu Prüfzwecken – Eigentum des Verlags öbv
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