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References
Bezirksregierung Köln (2013) Strukturdaten 2013 für den Regierungsbezirk Köln. Köln. http://
www.bezregkoeln.nrw.de/brk_internet/leistungen/abteilung03/32/regionalplanung/
regionalmonitoring/strukturdaten_2013.pdf. Accessed 14 Dec 2015
Bouraoui F, Grizzetti B, Adelsköld G, Behrendt H, De Miguel I, Silgram M, Zaloudik J (2009)
Basin characteristics and nutrient losses. The EUROHARP catchment network perspective.
J Environ Monit 11(3):515–525
EEA: European Environment Agency (2009) Water resources across Europe—confronting water
scarcity and drought. EEA Report No 2/2009, Copenhagen
Geng G, Wu J, Wang Q, Lei T, He B, Li X, Mo X, Luo H, Zhou H, Liu D (2015) Agricultural
drought hazard analysis during 1980–2008. A global perspective. Int J Climatol. doi:10.1002/
joc.4356
Landwirtschaftskammer Nordrhein-Westfalen (2012) Zahlen zur Landwirtschaft in
Nordrhein-Westfalen 2012. Bonn. http://www.landwirtschaftskammer.de/wir/pdf/zahlenlandwirtschaft.pdf. Accessed 14 Dec 2015
Platteau J, van Bogaert T (eds) (2014) Agriculture horticulture 2013 flanders, Department of
Agriculture and Fisheries Brussels. http://lv.vlaanderen.be/nl/voorlichting-info/publicaties/
studies/report-summaries/agriculture-horticulture-2013-flanders#sthash.0hQ4ws0e.dpuf.
Accessed 14 Dec 2015
Sepulcre-Canto G, Horion SMAF, Singleton A, Carrao H, Vogt J (2012) Development of a
Combined Drought Indicator to detect agricultural drought in Europe. Nat Hazards Earth Syst
Sci 12(11):3519–3531
UN Department of Economic and Social Affairs Division of Sustainable Development (2004):
CSD-12/13 (2004–2005) Freshwater Country Profile Belgium, Section G
10 Cross-cutting Perspective on Agriculture
215
Attribution-NonCommercial 2.5 License (http://creativecommons.org/licenses/by-nc/2.5/), which
permits any noncommercial use, duplication, adaptation, distribution, and reproduction in any
medium or format, as long as you give appropriate credit to the original author(s) and the source, a
link is provided to the Creative Commons license, and any changes made are indicated.
The images or other third party material in this chapter are included in the work’s Creative
Commons license, unless indicated otherwise in the credit line; if such material is not included in
the work’s Creative Commons license and the respective action is not permitted by statutory
regulation, users will need to obtain permission from the license holder to duplicate, adapt, or
reproduce the material.
References
Bezirksregierung Köln (2013) Strukturdaten 2013 für den Regierungsbezirk Köln. Köln. http://
www.bezregkoeln.nrw.de/brk_internet/leistungen/abteilung03/32/regionalplanung/
regionalmonitoring/strukturdaten_2013.pdf. Accessed 14 Dec 2015
Bouraoui F, Grizzetti B, Adelsköld G, Behrendt H, De Miguel I, Silgram M, Zaloudik J (2009)
Basin characteristics and nutrient losses. The EUROHARP catchment network perspective.
J Environ Monit 11(3):515–525
EEA: European Environment Agency (2009) Water resources across Europe—confronting water
scarcity and drought. EEA Report No 2/2009, Copenhagen
Geng G, Wu J, Wang Q, Lei T, He B, Li X, Mo X, Luo H, Zhou H, Liu D (2015) Agricultural
drought hazard analysis during 1980–2008. A global perspective. Int J Climatol. doi:10.1002/
joc.4356
Landwirtschaftskammer Nordrhein-Westfalen (2012) Zahlen zur Landwirtschaft in
Nordrhein-Westfalen 2012. Bonn. http://www.landwirtschaftskammer.de/wir/pdf/zahlenlandwirtschaft.pdf. Accessed 14 Dec 2015
Platteau J, van Bogaert T (eds) (2014) Agriculture horticulture 2013 flanders, Department of
Agriculture and Fisheries Brussels. http://lv.vlaanderen.be/nl/voorlichting-info/publicaties/
studies/report-summaries/agriculture-horticulture-2013-flanders#sthash.0hQ4ws0e.dpuf.
Accessed 14 Dec 2015
Sepulcre-Canto G, Horion SMAF, Singleton A, Carrao H, Vogt J (2012) Development of a
Combined Drought Indicator to detect agricultural drought in Europe. Nat Hazards Earth Syst
Sci 12(11):3519–3531
UN Department of Economic and Social Affairs Division of Sustainable Development (2004):
CSD-12/13 (2004–2005) Freshwater Country Profile Belgium, Section G
10 Cross-cutting Perspective on Agriculture
215