منابع مشابه
The status of Canada Goose Branta canadensis subspecies in Greenland
Three subspecies of the Canada Goose (Branta canadensis interior, B.c. parvipes and B.c. hutchinsii) have been reported from Greenland, where the species has increased dramatically as a breeding and summering bird in the last 30 years. We report results of catch data, new observations, re-examination of archive photographs and museum specimens that show the subspecies interior is the most commo...
متن کاملActivity of three muscles associated with the uncinate processes of the giant Canada goose Branta canadensis maximus.
The activity of three muscles associated with the uncinate processes, (i) external intercostal, (ii) appendicocostalis and (iii) external oblique, were examined using patch and sew-through electrodes during sitting, standing and moderate speed treadmill running in the giant Canada goose. The external intercostal muscles demonstrated no respiratory activity, being active only during running, sug...
متن کاملCost-benefit analysis for invasive species control: the case of greater Canada goose Branta canadensis in Flanders (northern Belgium)
Background Sound decisions on control actions for established invasive alien species (IAS) require information on ecological as well as socio-economic impact of the species and of its management. Cost-benefit analysis provides part of this information, yet has received relatively little attention in the scientific literature on IAS. Methods We apply a bio-economic model in a cost-benefit anal...
متن کاملDetermination of 4,4'-dinitrocarbanilide (DNC), a component of Nicarbazin, in Canada goose (Branta canadensis) eggshells using high-performance liquid chromatography.
A method was developed using high-performance liquid chromatography to assay 4,4'-dinitrocarbanilide (DNC), the active ingredient in Nicarbazin, in eggshells collected from Canada geese fed a formulated feed fortified with Nicarbazin at doses of 0, 125, 250, and 500 microg/g. The method was developed using chicken eggshells fortified with DNC. The method was used to quantify DNC in both the she...
متن کاملNesting and Migration in the Introduced Canada Goose in Sweden
som med vederbörligt tillstånd av rektorsämbetet vid Umeå universitet för erhållande av filosofie doktorsexamen i ekologisk zoologi kommer att offentligen försvaras fredagen den 24 :e september 1993, kl 1300 i hörsal G, Humanisthuset. A b stract The aim of the thesis was to document patterns in breeding and migration in Swedish Canada geese Branta canadensis, to explain these against the geneti...
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ژورنال
عنوان ژورنال: The Auk
سال: 1884
ISSN: 0004-8038,1938-4254
DOI: 10.2307/4067222