| Titre : | Ardea 87(2) - 1999 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
J. A. Fargallo, Auteur ;
S. Merino, Auteur
Dans
Ardea (87(2) 1999)
We have studied the effects of a brood size manipulation on the infection by blood parasites in a Blue Tit Pants caeruleus population in central Spain. Overall, 98% of the birds were infected by at least one parasite species. Haemorpteus majoris[...]
Article
Thomas Roedl, Auteur
Dans
Ardea (87(2) 1999)
In this study the relationship between the number of European Stonechats Saxicola rubicola at a winter site in Israel and the local rainfall, air temperature, and arthropod abundance was examined. In some years population size declined to about [...]
Article
T. Rodl, Auteur
Dans
Ardea (87(2) 1999)
In this study the relationship between the number of European Stonechats Saxicola rubicola at a winter site in Israel and the local rainfall, air temperature, and arthropod abundance was examined. In some years population size declined to about [...]
Article
S. Garthe, Auteur ;
T. Freyer, Auteur ;
O. Huppop, Auteur ;
D. Wolke, Auteur
Dans
Ardea (87(2) 1999)
While Lesser Black-backed Gull Larus graellsii numbers increase substantially at the German North Sea coast since the late 1980s, Herring Gull Larus argentatus numbers have been roughly stable since the mid-1980s. In order to investigate whether[...]
Article
P. S. Tomkovich, Auteur ;
L. Serra, Auteur
Dans
Ardea (87(2) 1999)
This is an extensive review, the first in the series ESSAYS ON RECENT PUBLICATIONS, of 'Geographical Variation in Waders' by M. Engelmoer & C.S. Roselaar, published in 1998. Some problems with the source materials underlying the analyses in the [...]
Article
F. Hernandez-Carrasquilla, Auteur ;
T. Tyrberg, Auteur ;
A. von den Driesch, Auteur
Dans
Ardea (87(2) 1999)
The discovery of four bones of a Pygmy Cormorant Microcarbo pygmaeus during an excavation of a fortress in Central Spain indicates the presence of this species in the area during the Late Middle Ages. The probability that this bird could be a va[...]
Article
J. Domenech, Auteur ;
J. C. Senar, Auteur
Dans
Ardea (87(2) 1999)
Given that in many bird species females are subordinate to males and that, in general, subordinate individuals are more vigilant than dominants ones, we should predict foraging females to be more vigilant than males. This prediction is tested he[...]
Article
A. Roulin, Auteur
Dans
Ardea (87(2) 1999)
In altricial birds fledglings may be selected for visiting nests of non-biological parents when the rearing conditions in the nest of origin are poor or when they have difficulty in finding food just after being independent. When nest-switching [...]
Article
C. Deerenberg, Auteur ;
Heinz Hafner, Auteur
Dans
Ardea (87(2) 1999)
The breeding population of Purple Heron Ardea purpurea in Mediterranean France showed a general decline since 1982 with a further reduction in number of breeding pairs in the early 1990s that has been reversed since 1995. In addition to this gen[...]
Article
S. Storch, Auteur ;
D. Gremillet, Auteur ;
B. M. Culik, Auteur
Dans
Ardea (87(2) 1999)
We studied the energetics of incubating Great Cormorants Phalacrocorax carbo carbo via heart rate and respirometric measurements performed in captive and free-living animals. We applied a modified heart beat frequency (HR) monitor built for use [...]
Article
K. Camphuysen, Auteur ;
A. Webb, Auteur
Dans
Ardea (87(2) 1999)
We studied the foraging distribution and the formation of multi-species feeding associations of seabirds and marine mammals off the British east coast. The local top-predator community comprised c. 34 species of seabirds, two pinnipeds and eight[...]
Article
Article
C. Both, Auteur
Dans
Ardea (87(2) 1999)
This is the second in the series ESSAYS ON RECENT PUBLICATIONS, a review of 'Population limitation in birds' by lan Newton, published in 1998.
Article
J. Figuerola, Auteur ;
J. C. Senar, Auteur ;
J. Pascual, Auteur
Dans
Ardea (87(2) 1999)
We tested the use of a field colorimeter for studying plumage coloration of three species of small passerines in the field. Measurement repeatability was generally high, although for some species some parts of the plumage proved difficult to mea[...]
Article
L. W. Bruinzeel, Auteur ;
T. Piersma, Auteur ;
M. Kersten, Auteur
Dans
Ardea (87(2) 1999)
Energy expenditure of terrestrial locomotion on a linear treadmill was measured in five wader species: Turnstone Arenaria interpres, Knot Calidris canutus, Grey Plover Pluvialis squatarola, Oystercatcher Haematopus ostralegus and Bar-tailed Godw[...]
