The rise and fall of major royal jelly proteins during a honeybee (Apis mellifera) workers' life
Ecology and Evolution, 2019 The genome of the western honeybee (Apis mellifera) harbors nine transcribed major royal jelly protein genes (mrjp1‐9) which originate from a single‐copy precursor via gene duplication.
Dirk Dobritzsch +4 more
doaj +1 more source
SAFE - Sustainability Assessment For Enterprises: Die Methodik. Ein Instrument zur Unterstützung einer zukunftsfähigen Unternehmens- und Organisationsentwicklung [PDF]
-- In practice, questions of ecological company policy deal much more with technical questions than with organisational ones. In many guides for the implementation of an Environmental Management System the development of the organisation that first has ...
Baedeker, Carolin +2 more
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The Invasion of the Dwarf Honeybee, Apis florea, along the River Nile in Sudan
Insects, 2019 The spread of the dwarf honeybee, Apis florea, in Sudan along the river Nile in a linear fashion provides a good model for studying the population dynamics and genetic effects of an invasion by a honeybee species.
Mogbel A. A. El-Niweiri +2 more
doaj +1 more source
Report on the development of political institutions involved in policy elaborations in organic farming for selected European states [PDF]
, 2004 As organic farming has become an instrument of European agricultural policy the organic sector is required more and more to get politically active. This report presents results from the EU-funded project EU-CEEOFP on the development of organic farming ...
Michelsen, Johannes +2 more
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Meteorologische Zeitschrift, 1992 Huggett, R. J.: Climate, Earth Processes and Earth History. - Springer -Verlag, Berlin, Heidelberg etc., 1991; Kyle, T. G.: Atmospheric Transmission, Emission and Scattering.
R. Glowienka-Hense +3 more
doaj +1 more source
Leitlinien und Leitbilder für eine ökologisch orientierte Regionalplanung
Raumforschung und Raumordnung, 1991 In dem Beitrag wird eingangs das Planungssystem von Landes- und Regionalplanung in der Bundesrepublik Deutschland erläutert und werden ökologische Planinhalte bzw. deren rechtliche Grundlagen anhand nordrhein-westfälischer Beispiele dargestellt.
Albert Schmidt
doaj +1 more source
Mountain Research and Development, 2015 Reviewed: Naturressourcennutzung im Kontext struktureller Unsicherheiten: Eine Politische Ökologie der Weideländer Kirgisistans in Zeiten gesellschaftlicher Umbrüche [Natural Resource Use in a Context of Structural Insecurity: A Political Ecology of ...
Karina Liechti
doaj +1 more source
Will policy support for organic farming be justified in the future? The environmental impacts of organic farming [PDF]
, 2002 Introduction: In the European Union, organic farming has experienced a dynamic development in the 1990s, in part debited to financial support from agricultural policy measures. The most commonly used argument in support of organic farming is its positive
Dabbert, S., Häring, A. M., Stolze, M.
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Konventionalisierung: Die Schattenseite des Biobooms [PDF]
, 2008 Der Biolandbau ist vor gut 50 Jahren angetreten, um eine Alternative zur konventionellen Landwirtschaft zu bieten, eine Alternative zur Maximierung der Erträge, die weitgehend ohne Rücksicht auf Ökologie, Betriebsorganismus und Eigenständigkeit der ...
Bartel-Kratochvil, Dr. Ruth +3 more
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Changes in the fledging success over time with increasing population size in the Northern Lapwing Vanellus vanellus on Wangerooge Island (Lower Saxony, Germany) [PDF]
, 2012 In this study, we report the results of a long-term investigation on changes in population size and fledging success of Northern Lapwing on Wangerooge, a German Wadden Sea island.
Clemens, Thomas +2 more
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