%0 Journal Article %1 Herzon2007 %A Herzon, I. %A O'Hara, R. B. %D 2007 %J Agriculture Ecosystems & Environment %K Nadrowski_K agri-environmental_schemes agriculture biodiversity birds intensification management species_richness %N 1-4 %P 297--306 %R http://dx.doi.org/10.1016/j.agee.2006.05.030 %T Effects of landscape complexity on farmland birds in the Baltic States %U http://dx.doi.org/10.1016/j.agee.2006.05.030 %V 118 %X Data on --- birds occurring in farmland in the : Baltic States of Estonia, Latvia and Lithuania were related to the --- spatial organisation of farmed habitats in three different agricultural landscape types. -- Species richness, abundance, and diversity of farmland bird communities, as well as -- abundance of the most frequently observed species were -- positively related to the -- number of residual non-cropped elements within farmland, -- the local mixture of annual crop and grass fields, and the -- variety of field types. The positive association of the species richness and abundance of the farmland bird community with richness in residual habitats and crops was most prominent in open landscapes. The results suggest that, by simplifying farmland structure and making it more homogenous, EU agricultural policies will have a detrimental effect on farmland bird populations in Eastern Europe. Ways of better targeting of the agri-environment schemes are suggested. (c) 2006 Elsevier B.V. All rights reserved.

@article{Herzon2007, abstract = {Data on --- birds occurring in farmland in the : Baltic States of Estonia, Latvia and Lithuania were related to the --- spatial organisation of farmed habitats in three different agricultural landscape types. -- Species richness, abundance, and diversity of farmland bird communities, as well as -- abundance of the most frequently observed species were -- positively related to the -- number of residual non-cropped elements within farmland, -- the local mixture of annual crop and grass fields, and the -- variety of field types. The positive association of the species richness and abundance of the farmland bird community with richness in residual habitats and crops was most prominent in open landscapes. The results suggest that, by simplifying farmland structure and making it more homogenous, EU agricultural policies will have a detrimental effect on farmland bird populations in Eastern Europe. Ways of better targeting of the agri-environment schemes are suggested. (c) 2006 Elsevier B.V. All rights reserved.}, added-at = {2008-05-21T14:48:19.000+0200}, af = {Herzon, IrinaEOLEOLO'Hara, Robert Brian}, author = {Herzon, I. and O'Hara, R. B.}, biburl = {https://www.bibsonomy.org/bibtex/2a56635db13feab8958f71342d5fd6323/bioenergyworkshop}, c1 = {Univ Helsinki, Dept Appl Biol, FIN-00014 Helsinki, Finland.EOLEOLUniv Helsinki, Dept Math & Stat, FIN-00014 Helsinki, Finland.}, de = {farmland birds; habitat heterogeneity; agricultural landscape;EOLEOLagri-environment schemes}, doi = {http://dx.doi.org/10.1016/j.agee.2006.05.030}, em = {herzon@mappi.helsinki.fi}, file = {Herzon2007.pdf:Herzon2007.pdf:PDF}, interhash = {aa1eaf69a2fdc0819ae64b094a0f15bf}, intrahash = {a56635db13feab8958f71342d5fd6323}, j9 = {AGR ECOSYST ENVIRON}, ji = {Agric. Ecosyst. Environ.}, journal = {Agriculture Ecosystems \& Environment}, keywords = {Nadrowski_K agri-environmental_schemes agriculture biodiversity birds intensification management species_richness}, month = {January}, number = {1-4}, numlit = {00177}, owner = {kej}, pages = {297--306}, rp = {Herzon, I, Univ Helsinki, Dept Appl Biol, POB 27,Latakartanonkari 5,EOLEOLFIN-00014 Helsinki, Finland.}, sn = {0167-8809}, tc = {0}, timestamp = {2008-05-21T14:48:39.000+0200}, title = {Effects of landscape complexity on farmland birds in the Baltic States}, url = {http://dx.doi.org/10.1016/j.agee.2006.05.030}, ut = {ISI:000243609800031}, volume = 118, year = 2007 }