| Titre : | Wildfowl 50 - 1999 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
J. Nyeland Kristiansen, Auteur ;
A. D. Fox, Auteur ;
N. S. Jarrett, Auteur
Dans
Wildfowl (50 1999)
Canada Geese Branta canadensis have recently established in West Greenland. Until now their origin and migration routes have been unknown. This paper presents resighting and revovery data of Canada Geese caught during two expeditions to West Gre[...]
Article
H. Boyd, Auteur
Dans
Wildfowl (50 1999)
On 7 July 1989, three pairs of small Canada Geese Branta canadensis hutchinsii nesting on adjacent islets in a lake on Prince Charles Island (67.47 N, 76.12 W), in Foxe Basin, NWT, approached and moved after me as I waded out to inspect their ne[...]
Article
W. Cresswell, Auteur ;
S. Yerokhov, Auteur ;
N. Berezovikov, Auteur ;
R. Mellanby, Auteur ;
S. Bright, Auteur ;
P. Catry, Auteur ;
J. Chaves, Auteur ;
J. Freile, Auteur ;
A. Gretton, Auteur ;
A. Zykin, Auteur ;
R. McGregor, Auteur ;
D. McLaughlin, Auteur
Dans
Wildfowl (50 1999)
Kazakstan is an important country for migratory birds passing from Siberia to the north and east to their wintering grounds in Africa, the Middle East and India. Kazakstan also has globally important breeding populations of White-headed Duck and[...]
Article
A. Ni Shuilleabhain, Auteur ;
J. O'Connor, Auteur ;
P. O'Leary, Auteur
Dans
Wildfowl (50 1999)
Coot (Fulica atra), Tufted Duck (Ayhtya fuligula) and Mallard (Anas platyrhyncos) were the most abundant residents on Lough Leane, Co. Kerry, Ireland, which was important to moulting Mallard and wintering Coot and Tufted duck. Coot and Mallard n[...]
Article
Matthieu Guillemain, Auteur ;
J. Corbin, Auteur ;
H. Fritz, Auteur
Dans
Wildfowl (50 1999)
Dabbling ducks commonly feed on land, especially in agricultural environments. During field observations in western France, wintering Mallards Anas platyrhynchos were observed to interrupt terrestrial feeding regularly and go to the water. Labor[...]
Article
C. F. Mason, Auteur ;
S. M. Macdonald, Auteur
Dans
Wildfowl (50 1999)
Preliminary observations are presented on intertidal feeding by Lapwings and Golden Plovers in eastern England. It is considered that the use of estuaries for foraging may be more prevalent than is realised. Warmer autumns resulting from global [...]
Article
P. J. Pietz, Auteur ;
D. A. Buhl, Auteur
Dans
Wildfowl (50 1999)
Few studies have quantitatively examined Mallard behaviour in North America during the breeding season. We estimated diurnal time budgets of unmarked Mallard males, females, and broods from over 1,200 hours of observations at two study areas in [...]
Article
C. A. Galbraith, Auteur ;
G. J. Pierce, Auteur ;
C. J. Spray, Auteur ;
I. H. Robinson, Auteur
Dans
Wildfowl (50 1999)
Daily movements by waterbirds, between roosting and feeding areas, were observed in the Thale Sap Non-Hunting area (Lake Songkla, southern Thailand) during summer and autumn 1987. Counts of birds in flight in the summer indicated the presence of[...]
Article
B. Hughes, Auteur ;
J. Kirby, Auteur ;
J. M. Rowcliffe, Auteur
Dans
Wildfowl (50 1999)
Conflict between waterbirds and man has been reported in the UK since the seventh century. During the last two decades, attention has focussed on damage to agriculture and amenity land, and more recently depredation of fish stocks, and the impac[...]
Article
J. A. Robinson, Auteur
Dans
Wildfowl (50 1999)
Criterion 3c of the Ramsar Convention on wetlands of international importance suggests that a wetland should be considered internationally important if it regularly supports 1% of the individuals in a population of a species or subspecies of wat[...]
Article
B. D. Dugger, Auteur ;
P. Blums, Auteur ;
L. H. Fredrickson, Auteur
Dans
Wildfowl (50 1999)
We used egg addition experiments and naturally parasitised nests of Common Pochard Aythya ferina and Tufted Duck A. fuligula to look for three host responses to brood parasitism; nest abandonment, egg discrimination, and between-year nest site m[...]
Article
H. Gummer, Auteur ;
M. Williams, Auteur
Dans
Wildfowl (50 1999)
The single surviving wild population of Campbell Island Teal, restricted to Dent Island in the New Zealand subantarctic, is unlikely to exceed 25 pairs. Twelve Campbell Island Teal were released in 1999 onto Codfish Island in southern New Zealan[...]
Article
J. T. Anderson, Auteur ;
G. T. Muehl, Auteur ;
T. C. Tacha, Auteur
Dans
Wildfowl (50 1999)
We studied wetland habitat use by wintering geese in the Coastal Plains and Rice Prairie Regions of Texas during 1991-92 and 1992-93. White-fronted Geese were most abundant on lacustrine littoral aquatic-bed floating vascular (x=2.10/ha) and unc[...]
Article
I. T. van der Veen, Auteur ;
H. P. van der Jeugd, Auteur ;
M. J. J. E. Loonen, Auteur
Dans
Wildfowl (50 1999)
The effect of rain on growth rates of individually marked shoots of a preferred food plant, Festuca rubra, was studied in a temperate Barnacle Goose brood rearing area during three consecutive years. We found that grass growth declined to zero w[...]
Article
A. D. Fox, Auteur ;
J. O. Hilmarsson, Auteur ;
O. Einarsson, Auteur ;
H. Boyd, Auteur ;
J. N. Kristiansen, Auteur ;
D. A. Stroud, Auteur ;
A. J. Walsh, Auteur ;
S. M. Warren, Auteur ;
C. Mitchell, Auteur ;
I. S. Francis, Auteur ;
T. Nygaard, Auteur
Dans
Wildfowl (50 1999)
A combination of ringing recoveries, resightings of individually marked birds and regularly counted census routes suggest that Greenland White-fronted Geese stage in Iceland from c.10 April until c.12 May in spring and c.30 August until c.31 Oct[...]
Article
J. N. Kristiansen, Auteur ;
A. J. Walsh, Auteur ;
A. D. Fox, Auteur ;
H. Boyd, Auteur ;
D. A. Stroud, Auteur
Dans
Wildfowl (50 1999)
Based on data from seven successive years from the wintering grounds in Ireland and one year from the breeding grounds in West Greenland, the variation in the black striation on the abdomen and breast, the so-called belly barring, of the Greenla[...]
Article
T. W. Pennycott, Auteur
Dans
Wildfowl (50 1999)
As part of a survey into the causes of mortality of wild birds, the carcases of 41 Mute Swans (Cygnus olor) were examined at S.A.C. Veterinary Science Division, Auchincruive, Ayr, Scotland, between January 1995 and December 1996. Birds were subm[...]
Article
M. O'Connell, Auteur
Dans
Wildfowl (50 1999)
Many species, habitats and ecosystems are subject to a wide variety of anthropogenic influences. This has given rise to a broad diversity of conservation and management problems around the world, and the scientific community undertakes a range o[...]
