Search for dissertations about: "branta canadensis"

Found 3 swedish dissertations containing the words branta canadensis.

2. 1. Nesting and migration in the introduced Canada goose in Sweden

   Author : Göran Sjöberg; Catherine M. Lessells; Umeå universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Species introductions; DNA fingerprinting; natal dispersal; breeding dispersal; bird migration; wintering areas; clutch size; laying date; body reserves; nest defence; waterfowl; Canada goose; Anatidae; Branta canadensis;

   Abstract : The aim of the thesis was to document patterns in breeding and migration in Swedish Canada geese Branta canadensis, to explain these against the genetic and historical background of the population, and to test predictions of hypotheses pertaining to parental investment.The Canada goose population in Sweden was founded by the introduction of a few individuals in the 1930's. READ MORE

4. 2. Ethological studies on the triumph ceremony of the Canada goose (Branta Canadensis L.) : with special reference to ontogeny and causation

   Author : Tommy Radesäter; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; kanadagäss;

   Abstract : .... READ MORE

5. 3. Epidemiology and population structure of Campylobacter jejuni and related organisms in wild birds

   Author : Jonas Waldenström; Biologiska institutionen; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; epidemiology; Campylobacter lari; population structure; Helicobacter canadensis; Ecology; Parasitology human and animal ; Animal ecology; Djurekologi; Parasitologi människa och djur ; migration; Ekologi; wild birds; Sweden; Campylobacter jejuni;

   Abstract : Campylobacter jejuni is one of the most common causes to bacterial gastroenteritis in the industrialised world. Also other species of the Campylobacter genus give rise to human infections. C. jejuni occurs in many different animal hosts and can be isolated from water sources. READ MORE