| Titre : | Vogelwelt (Die) 120(5-6) - 1999 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Olga N. Tokarskaya, Auteur ;
V. G. Petrosyan, Auteur ;
T. A. Kashentseva, Auteur ;
V. G. Panchenko, Auteur ;
A. P. Ryskov, Auteur
DNA fingerprinting was used to estimate relatedness and genetic diversity within the captive Siberian Crane population consisting of 21 founders, 18 of which originated from the Yakut flock, and 3 originating from the Ob River delta population. [...]
Article
Jiri Vondracek, Auteur
It is not known if the Common Crane bred in Bohemia in the past. Currently, six breeding sites are known, the oldest of which can be traced back to 1985. In Western Bohemia, breeding was first recorded in 1992 after previous sightings of cranes.
Article
George Archibald, Auteur ;
Claire Mirande, Auteur
The Siberian Crane is the third rarest of the world's 15 species of cranes and considered by the International Crane Foundation to be the most endangered. Field surveys suggest that only 2900-3000 birds in three populations remain. While potenti[...]
Article
Jesper Tofft, Auteur
After the extinction of Crane as a breeding bird in Denmark around 1850, the species started to return in 1952 and recolonized Northern Jutland. Between 1958 and the late 1980s, 3-4 breeding pairs occurred at three different sites. Thereafter, t[...]
Article
Dan Alon, Auteur
In the 19th century, the Crane was mentioned occasionally as a wintering bird in the area that today is Israel. During the last decades, however, the landscape in Israel has changed drastically and as a result new conditions for resting and wint[...]
Article
Wolfgang Mewes, Auteur
One of the reasons for the spectacular population increase of the Crane in Germany is the relatively high rate of reproduction in this country. Clutches contained on average 1.95 eggs (average of 1978-1998; n = 674). The hatching rate was 1.92 j[...]
Article
Valentin Serebryakov, Auteur ;
Anatolyi Poluda, Auteur
In the Ukraine phenological studies regarding migration of the Common Crane have been carried out since 1975. Data have been collected for the years 1989 to 1996 by questionaire; 1,000 questionnaires were distributed from spring 1989 to 1996, an[...]
Article
Martim P. Melo, Auteur ;
Julia Almeida, Auteur ;
Alexandre Vaz, Auteur ;
Rita Covas, Auteur
Daily activity studies are an important complement to habitat utilisation studies in order to fully understand the needs of a species in the area where it occurs. In Portugal's main wintering site, time budget and flock dynamics of the Common Cr[...]
Article
Martin Kraft, Auteur
Crane migration has been surveyed systematically in the Marburg area, Hesse, since 1987, providing a comprehensive overview about timing, numerical trends and year-to year-changes in migration phenology (see Kraft 1999, this issue). An unusual m[...]
Article
Alfons Plucinski, Auteur
The paper reports results of a long-term study of Crane migration over Goslar, central Germany, during 1973-1998. A clear increase in numbers during autumn migration was found starting around 1980. From 1992 onwards, the passage population seems[...]
Article
Sergej W. Winter, Auteur ;
Pjotr I. Gorlov, Auteur ;
Yurij A. Andryushchenko, Auteur
The biology of several crane species was studied for 20 years by the Asow-Black Sea Ornithological Station. The following results were obtained: 1. Activity budgets of Hooded Crane Grus monacha differed between situations of undisturbed and dist[...]
Article
Guenter Nowald, Auteur
The requirements of Crane families with young regarding food availability and habitat use are poorly known, although such aspects are of great importance for conservation. This is because Cranes behave particularly inconspicuously when rearing y[...]
Article
Harald Weingaertner, Auteur
Trier area is located in the middle of the southwesterly migration flyway of Common Crane in Europe. Numerous periodical observations of spring migration in the Trier area from 1988 to 1998 are used as a sample test to analyse population increas[...]
Article
Marian Szymkiewicz, Auteur ;
Maria Mellin, Auteur
In the region Masury in NE Poland there is a breeding population of 900-1000 pairs of Cranes in optimal (very wet) years, i.e. about one third of the entire Polish breeding populatin. From 1986 to 1995 roosting Cranes were counted at the many la[...]
Article
Hartwig Prange, Auteur
The timing of evening descent of Cranes at pre-roost gathering sites and night roosts in autumn is strongly related to habitat. Crane roosts are generally located in shallow water. On average, flights to small roosts with lower safety distance f[...]
Article
Horst Schreiber, Auteur ;
Moriz Rauch, Auteur
About 40 km west of Berlin near Nauen, Brandenburg, there is the (1998) second most important autumn staging site for Cranes in the inland of Germany. In autumn, up to 13,300 cranes were counted. The status and history of this roost is documente[...]
Article
Hans-Jochen Haferland, Auteur
An important crane gathering and resting site can be found in the lower Odra valley at the border between Germany and Poland. The number of cranes resting there has increased from less than 100 in the 1970s, to around 1,000 in the mid-1980s, to [...]
Article
Hartwig Prange, Auteur
Crane numbers using the various European flyways are reviewed. Colour marking of Common Cranes led to new findings thanks to high resighting rates. The western European route is mostly used by Scandinavian, German, Polish and north-eastern Europ[...]
Article
Javier A. Alonso, Auteur ;
Juan C. Alonso, Auteur
This publication reports the current status of the Common Crane in Western Europe with regard to the colour-marking carried out from 1985 to 1998. After numerous markings with long alphanumeric rings, the currently used three-colour coding is pr[...]
Article
Klaus Uhl, Auteur
This study examines the development of occurrence of the Crane as a breeding and migrating bird in the SW Niederlausitz, eastern Germany. Large parts of this area have been destroyed over several decades by mining for brown coal. The population [...]
Article
Guenter Nowald, Auteur ;
Eugenijus Drobelis, Auteur ;
Aivar Leito, Auteur ;
Gundars Vaverins, Auteur
Following intensive dehydration measures, which in some cases continued until the 1980s, the number of crane breeding pairs declined in many parts of the Baltic. Today, a positive trend is emerging. In Estonia and Latvia the crane is a breeding [...]
