| Titre : | Wildfowl 55 - 2005 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
J. Bart, Auteur ;
S. L. Earnst, Auteur
Dans
Wildfowl (55 2005)
Spectacled Eiders Somateria fischeri were studied on the Colville River delta during 1994-1999, prior to oil field development, to document aspects of breeding biology that are poorly known, especially for northern-nesting populations. Both sexe[...]
Article
L. Nilsson, Auteur
Dans
Wildfowl (55 2005)
Intensive surveys of staging and wintering diving ducks in the Oresund area, southern Sweden, were undertaken during the winters 1995/96, 1996/97 and 1997/98 as a part of the Environmental Impact Assessment (EIA) related to the establishment of [...]
Article
P. N. Ferns, Auteur ;
J. P. Reed, Auteur ;
E. D. Gregg, Auteur ;
C. O'Hara, Auteur ;
A. Lang, Auteur ;
G. R. Sinkowski, Auteur
Dans
Wildfowl (55 2005)
Male Common Shelducks Tadorna tadorna with Large bill knobs were more effective at defending spring feeding areas in the Severn Estuary, southwest England, against other males than those with small bill knobs. Their female partners were conseque[...]
Article
E. H. Rave, Auteur ;
A. Cooper, Auteur ;
D. Hu, Auteur ;
R. Swift, Auteur ;
K. Misajon, Auteur
Dans
Wildfowl (55 2005)
The Hawaiian Goose or Nene Branta sandvicensis is an endangered species endemic to Hawaii. Hawaii Volcanoes National Park contains about 41% of Nene on the island of Hawaii. Population numbers, reproductive success and causes of known adult mort[...]
Article
J. K. Larsen, Auteur ;
B. Laubek, Auteur
Dans
Wildfowl (55 2005)
Human offshore activities are increasingly threatening waterbird conservation interests. The impacts of disturbance by high-speed ferries on Common Eiders Somateria mollissima and Common Scoters Melanitta nigra were studied at a wintering site i[...]
Article
C. E. McParland, Auteur
Dans
Wildfowl (55 2005)
Wildfowl managers are often advised to discourage the introduction of fish into wetlands because competition between fish and wildfowl for invertebrate prey negatively affects the quality of breeding habitat and duckling growth rates. In the las[...]
Article
N. A. McCutchen, Auteur ;
R. C. Ydenberg, Auteur
Dans
Wildfowl (55 2005)
The relationship between Harlequin Duck Histrionicus histrionicus distribution and stonefly (Plecoptera) nymph availability in the Maligne Valley watershed, Jasper National Park, Canada, was investigated from 1999 to 2000. Invertebrate sampling [...]
Article
J. W. Duckworth, Auteur ;
Kim Chol, Auteur
Dans
Wildfowl (55 2005)
In autumn 2003, the lower Chongchon River in central Korea supported at [east 40 Scaly-sided Mergansers Mergus squamatus, significantly exceeding previous published estimates of the DPR Korean population. This is a non-breeding concentration of [...]
Article
M. H. Reynolds, Auteur ;
T. M. Work, Auteur
Dans
Wildfowl (55 2005)
The Laysan Teal Anas laysanensis is an endangered anatid of the Hawaiian Islands, currently restricted to an emergent atoll, Laysan Island. Laysan Island Lacks terrestrial mammalian predators, which permits the examination of mortality rates and[...]
Article
A. N. P. Stevens, Auteur ;
H. G. Young, Auteur ;
F. McKinney, Auteur
Dans
Wildfowl (55 2005)
Despite recent advances in phylogenetic analysis, relationships among species of dabbling ducks remain uncertain. In particular, the placement of the Crested Duck Lophonetta specularioides remains in question. Although most researchers have plac[...]
Article
Wetland fidelity of female Mallard Anas platyrhynchos and Gadwall Anas strepera during brood rearing
R. G. Clark, Auteur ;
S. W. Leach, Auteur ;
K. W. Dufour, Auteur ;
M. Gendron, Auteur
Dans
Wildfowl (55 2005)
Occurrence of and factors affecting fidelity to brood-rearing areas have received little attention in ducks; thus, data from individually marked female Mallard Anas platyrhynchos and Gadwall Anas strepera collected over 5-7 years were used to in[...]



