| Titre : | Vogelwelt (Die) 125(3-4) - 2004 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Siegfried Klaus, Auteur ;
Hans-Heiner Bergmann, Auteur
The Hazel Grouse is mainly threatened by habitat loss as result of inadequate forest management (large clear-cuts, coniferous monocultures, ceasing of coppice forest use) and habitat fragmentation. The current distribution (map Fig. 1, c. 2000-4[...]
Article
Wulf Gatter, Auteur ;
Rainer Schuett, Auteur
This study examines the relationship between population density, species number and biomass of birds and forest type (broad-leaved, mixed, or coniferous) as well as forest age. The study material is based on territory mappings between 1967 and 1[...]
Article
Joerg Boehner, Auteur ;
Torsten Langgemach, Auteur
Monitoring data for the Lesser Spotted Eagle Aquila pomarina in the federal state of Brandenburg (Germany) since 1994 indicate a slight but significant population decline. We used a computer programme (Vortex) to calculate which values of certai[...]
Article
Herwig Zang, Auteur
Influences of industrial immissions to forests are known since the 19(th) century, locally called "smoke damage". But since about 1975-1980 extreme long-distance transport and multiple-sided synergistic reciprocations of air pollutants affected [...]
Article
Wolfgang Scherzinger, Auteur ;
Heiko Schumacher, Auteur
The 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
Wulf Gatter, Auteur
The traditional forms of woodland husbandry until about 200 years ago was accompanied by soil degeneration through permanent over-exploitation of timber, foliage, leaf fodder, fruits, pollarding, and humus. The steady change over the last 200 ye[...]
Article
Martin Flade, Auteur ;
Sabine Baumann, Auteur ;
Peter Suedbeck, Auteur
This paper reviews all contributions published in this special issue 'Forest Birds', which is a main part of the 'Third Report on the Status of Birds in Germany', and summarises the major results. Since forests have originally been the dominant [...]
Article
Article
Martin Flade, Auteur ;
Johannes Schwarz, Auteur
The German Common Birds Census, which runs since 1989 and is based on territory mapping and point counts, provides reliable data (TRIM index curves) on the population changes of 52 German forest bird species. Despite free choice of plots and rou[...]
Article
Peter Suedbeck, Auteur ;
Martin Flade, Auteur
During the past 20 years, the Middle Spotted Woodpecker as an excellent indicator species for the conservation status of mature deciduous,forests experienced an increasing interest of ornithological research. This paper summarises the current kn[...]
Article
Egbert Guenther, Auteur ;
Michael Hellmann, Auteur ;
Bernd Nicolai, Auteur
After twenty years of research on tree-breeding Swifts in the Harz Mountains this paper summarises some main results. Swifts are inhabiting natural deciduous forests on hillsides along the Bode and Selke rivers. Holes of Great and Middle Spotted[...]
Article
Wolfgang Scherzinger, Auteur
Without 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[...]
