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Article
Martin Weber, Auteur ; Hans Utschick, Auteur ; Werner Heitland, AuteurIn 2007, 60 nest-boxes were placed in spruce stands of the Ebersberger Forst, 30 km east of Munich. The boxes were installed in clusters of five along transects at varying distances (20 m, 100 - 150 m, 700 - 1200 m) from the woodland margin and [...]
Article
Johannes Schreiber, Auteur ; Hans Utschick, AuteurIn a hill landscape 45 km north of Munich skylarks were counted by quantitative grid mapping (250 m x 250 m units). Area A with 1100 ha was surveyed in 2004, area B with 662,5 ha in 2009 and C with 665,25 ha in 2010. In each case three survey vi[...]
Article
Allyear line-transect counts of the Perach reservoir bird community (Inn river with surrounding floodbeds and natural forests) were compared to lunar periodicity. Bird activities peaked during increasing half-moon, full moon and the five days be[...]
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Line transect counts of birds from 1975 to 1997 in the Perach riverine forest (Lower River Inn, Bavaria), an area with many parts managed "close to nature", revealed increasing bird abundance after periods of bad weather or days following rapidl[...]
Article
Hans Utschick, AuteurCombined grid (90 units of 6.25 ha) and polygon mapping (92 forest stands from 0.3 to 29.7 ha) of a bird community on 562 ha of a Mid-Swabian forest landscape (2 test areas of 250 ha each near Ettenbeuren/Krumbach and Oberschonegg/Ottobeuren; 1 [...]
Article
Hans Utschick, AuteurBird foraging studies in Mid-Swabia (Southern Bavaria) within mature forest stands (May 2000, Feb 2001) of varying naturality (forest reserves; pure deciduous stands, spruce-dominated mixed stands; Douglas fir stands) revealed general preference[...]
Article
Within the waterfowl community of the Perach river reservoir, population decline and shifts from herbivores and invertebrate feeders to omnivores beginning in 1980 continued due to reservoir maturing effects (see UTSCHICK 1996). Since 1987, only[...]
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Hans Utschick, Auteur ; Josef Repplinger Und, Auteur ; Bernhard Foerster, AuteurFrom 2004/05 to 2013/14 winter birds were counted by quantitative grid mapping (250 m x 250 m units) over 57 km(2) of a hilly landscape 50 km north of Munich. Models for the distribution of farmland and open landscape birds are developed based o[...]
