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| Neumann, Dr. Helge; Bisschop-Larsen, Leif; Loges, Dr. Ralf; Taube, Prof. Dr. Friedhelm. |
| A comparative study of breeding bird communities of organically and conventionally cultivated arable fields was carried out in northern Germany in 2005. The research was conducted on 40 pairs of fields (conventional/organic), which were selected with regard to similar field sizes and comparable boundary structures (particularly presence of hedges). Bird communities were solely dominated by the skylark Alauda arvensis L., which was the only frequent species on the tested pairs of fields. Diversity of farmland birds (number of species, Shannon-Index) was not affected by type of management. However, the abundance of skylarks (territories/10 ha) was significantly higher in organic than in conventional fields. As the study will be continued, the one-year... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Biodiversity and ecosystem services; Crop husbandry. |
| Ano: 2006 |
URL: http://orgprints.org/7469/1/Neumann_et_al_Odense_2006.pdf |
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| Neumann, Dr. Helge; Loges, Dr. Ralf; Taube, Prof. Dr. Friedhelm. |
| Habitat quality of different arable crops for skylarks (Alauda arvensis) was analysed in a three year field study on 12 organic farms in northern Germany. Grass clover, spiked spring cereals (barley/spelt/wheat), winter wheat as well as grain legumes (including mixtures) hold constant abundances of skylarks during the whole breeding period. In spring oats, winter spelt and winter cereals with awn (barley/rye), however, skylark densities decreased during the breeding time, which might be explained by comparatively taller and/or denser vegetation structure of theses crops during June/July. Crops showed no significant differences in maximum abundances of skylarks. Concerning possible effects on breeding success, harrowing and/or hoeing of cereals and... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Biodiversity and ecosystem services. |
| Ano: 2009 |
URL: http://orgprints.org/14369/1/Neumann_14369.pdf |
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