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Documents disponibles écrits par cet auteur (10)
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Article
Siegfried Klaus, Auteur ; Yingqiang Lou, Auteur ; Yun Fang, Auteur ; Wolfgang Scherzinger, Auteur ; Yue-Hua Sun, AuteurIn 38 aggressive encounters observed in autumn77 males were involved. The duration of encounters varied in a wide range (2-77 min, mean 19.7 min). Most of the aggressions occurred on ground (n = 21, respectively
Article
Wolfgang Scherzinger, Auteur ; Heiko Schumacher, AuteurThe original vegetation of most parts of Central Europe was woodland. Nowadays, with 105,300 km(2) of woodland the native biodiversity has still a "green third" of the German landscape. One important brick in preserving woodlands as habitats - a[...]
Article
Yue-Hua Sun, Auteur ; Yun Fang, Auteur ; Chen-Xi Jia, Auteur ; Siegfried Klaus, Auteur ; Jon E. Swenson, Auteur ; Wolfgang Scherzinger, AuteurDuring 1995-2004, we studied the nest site selection of the Chinese grouse Bonasa sewerzowi at Lianhuashan, Gansu, China. Of the 103 nests that we found, 56% were at the base of deciduous trees, mainly willow Salix spp. and birch Betula utilis, [...]
Article
The Bohemian Forest straddles the upland border between Bavaria, the Czech Republic and Upper Austria. The Ural Owl is believed to have been extinct in the region since 1926, when the last bird was shot. With the foundation in 1970 of the Bavari[...]
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Wolfgang Scherzinger, AuteurDue to heavy wind blows and unusual high temperatures during summer 1983/84, an outbreak of a bark beetle infestation stressed the mountain ridge of the Inner Bavarian Forest and killed most of the old spruce stands in an extensive scale. This s[...]
Article
Wolfgang Scherzinger, AuteurDue to heavy wind blows and unusual high temperatures during summer 1983/84, an outbreak of a bark beetle infestation stressed the mountain ridge of the Inner Bavarian Forest and killed most of the old spruce stands in an extensive scale. This s[...]
Article
Wolfgang Scherzinger, Auteur ; Yun Fang, Auteur ; Yue-Hua Sun, Auteur ; Siegfried Klaus, AuteurIn autumn of 1869, Father A. David collected several owls in western Sichuan/China. Sharpe (1875) recognized a new species in one of these birds and named it Syrnium davidi. Since this time, only very few records and observations had been made, [...]
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Christian Lang, Auteur ; Wolfgang Scherzinger, Auteur ; Werner Konold, AuteurThe report deals with the breeding dynamics of birds after windthrow and insect gradation in the mountain forests of the National Park Bayerischer Wald, Germany. The study site (size: 318 hectares) was located in fir-beech-spruce dominated woodl[...]
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Wolfgang Scherzinger, AuteurWithout any doubt forest-dwelling animals in Central Europe are part of the original fauna. Among the ten owl species, which live - at least optionally - in Germany, Pygmy Owl Glaucidium passerinum, Tengmahn\'s Owl Aegolius funereus and Ural Owl[...]
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Wolfgang Scherzinger, AuteurDensity and population trends of specialized woodpeckers are expected to reflect current habitat quality of forests and woodlands, e.g. amount of old growth, dead wood, tree species diversity and structural diversity. I investigated whether this[...]
