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Registros recuperados: 7
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Økologisk jordbrug som refugier for biodiversitet (Refugia) Organic Eprints
Andersen, Liselotte Wesley; Marchi, Chiara; Strandberg, Beate; Bruus Pedersen, Marianne; Damgaard, Christian; Jensen, Thomas Secher; Olsen, Kent; Dalgaard, Tommy; Topping, C.J..
• Økologiske marker har mere ukrudtsbiomasse end konventionelle. • Der er flere blomstrende arter i økologiske hegn end konventionelle forudsat, at der er kontinuitet i den økologiske drift. • Der er flere små pattedyr i små økologiske biotoper end konventionelle. • Fjernmålinger fra fly eller satellit, kaldet remote sensing, kan skelne hvilken afgrødetype der dyrkes, samt forekomsten af småbiotoper. • Uanset driftformen er det vigtigt at inddrage naturhensyn i driften, dvs., at der findes ekstensivt drevne arealer (græsmarker, overdrev, enge) til natur og direkte afsatte arealer til natur.
Tipo: Other Palavras-chave: "Organics" in general; Biodiversity and ecosystem services.
Ano: 2010 URL: http://orgprints.org/23299/7/23299.pdf
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REFUGIA WP 3. Food chains within organic cereal fields Organic Eprints
Bruus Pedersen, Marianne.
Food chains within organic cereal fields.
Tipo: Conference paper, poster, etc. Palavras-chave: Biodiversity and ecosystem services.
Ano: 2010 URL: http://orgprints.org/19037/2/19037.pdf
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Er der mere liv i økologiske kornmarker? Organic Eprints
Bruus Pedersen, Marianne; Axelsen, Jørgen Aagaard; Tybirk, Knud.
Undersøgelser af ukrudt og insekter i økologiske og konventionelle kornmarker viser, at ukrudtsbiomassen generelt er meget højere i økologisk dyrkede kornmarker, mens dette ikke gælder for insekterne.
Tipo: Newspaper or magazine article Palavras-chave: Biodiversity and ecosystem services.
Ano: 2011 URL: http://orgprints.org/19036/6/19036.pdf
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Biomass of weeds, crops and arthropods in conventional and organic cereal fields Organic Eprints
Bruus Pedersen, Marianne; Axelsen, Jørgen Aagaard; Tybirk, Knud.
Crop, weeds and arthropods were sampled in conventionally and organically cultivated spring- and winter-sown cereal fields. Weed biomass was much higher in organically cultivated fields, while arthropod biomass hardly showed any differences. Results from very weedy areas of organically grown fields indicate that a more extensive management allowing even more weeds may be favourable to insects and the animals feeding on them.
Tipo: Journal paper Palavras-chave: Biodiversity and ecosystem services.
Ano: 2011 URL: http://orgprints.org/19040/5/19040.pdf
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Does organic farming enhance biodiversity? Complex issues and modelling approaches Organic Eprints
Andersen, Liselotte Wesley; Marchi, Chiara; Topping, C.J.; Strandberg, Beate; Bruus Pedersen, Marianne; Damgaard, Christian; Jensen, Thomas Secher; Olsen, Kent; Dalgaard, Tommy.
Changes in agriculture might drive changes in biodiversity and are expected to have just as serious an effect as climate change. These changes are results of complex changes in land-use as well as land management, intensification of management and structural developments in agriculture. In this review we present results of a recent research project (ICROFS 2013) focusing on organic farming and biodiversity in Denmark and relate the results to international studies that focus on drivers of biodiversity in the agricultural landscape. The project was organized under five major themes, forming the main sections of the present review paper: Impact on i) plant biodiversity ii) insect and food-webs in cereal fields, iii) small mammals, iv) natural genetic...
Tipo: Journal paper Palavras-chave: "Organics" in general.
Ano: 2013 URL: http://orgprints.org/23312/13/23312.pdf
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Organic farming and biodiversity - the impact of organic farming on nature Organic Eprints
Andersen, Liselotte Wesley; Marchi, Chiara; Strandberg, Beate; Topping, C.J.; Jensen, Thomas Secher; Olsen, Kent; Bruus Pedersen, Marianne; Damgaard, Christian; Dalgaard, Tommy.
Organic farming is generally acknowledged for its positive effects on biodiversity and other landscape services. However, the intensity of farming has changed significantly through the last decade as ranks of traditional holistic organic farmers have been joined by much more economically-driven new organic farmers. At the same time there have also been steady improvements in farming methodology and crop types resulting in efficiency in organic farming which can often rival its conventional counterparts. Therefore, large variations occur between organic farms.
Tipo: Other Palavras-chave: "Organics" in general.
Ano: 2008 URL: http://orgprints.org/23298/7/23298.pdf
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Mere natur i økologiske hegn Organic Eprints
Tybirk, Knud; Aude, Erik; Bruus Pedersen, Marianne.
Hegn i Danmark forbindes i høj grad med læ. Specielt i Jylland har læhegn været af stor betydning for landbruget. I dag har hegnene en bredere betydning, men der er kun lille viden om naturværdierne. DMU har i en undersøgelse vist overraskende klare forskelle på især plantelivet i hegn på økologiske og konventionelle bedrifter.
Tipo: Newspaper or magazine article Palavras-chave: Biodiversity and ecosystem services.
Ano: 2003 URL: http://orgprints.org/1319/1/vand_og_jord.pdf
Registros recuperados: 7
Primeira ... 1 ... Última
 

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