Sökning: "Harbour porpoise"

Hittade 3 avhandlingar innehållade orden Harbour porpoise.

1. 1. Ecology and Conservation of the Baltic Proper Harbour Porpoise

   Författare :Ida Carlén; Anders Angerbjörn; Julia Carlström; Martin Biuw; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Harbour porpoise; Baltic Sea; distribution; abundance; bycatch; conservation policy; zoologisk ekologi; Animal Ecology;

   Sammanfattning : The Baltic Proper harbour porpoise (Phocoena phocoena) population is listed by IUCN as Critically Endangered, but conservation action has been lacking for decades, partly due to very limited knowledge on important ecological parameters such as distribution range and abundance. This thesis provides some of the information needed for implementing effective conservation. LÄS MER

3. 2. Assessing and monitoring genetic patterns for conservation purposes with special emphasis on Scandinavia

   Författare :Anna Palmé; Nils Ryman; Linda Laikre; Kerry Naish; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; biological diversity; conservation genetics; management unit; spatial genetic structure; sympatric populations; genetic monitoring; release of alien populations; northern pike; brown trout; harbour porpoise; Biology; Biologi; populationsgenetik; Population Genetics;

   Sammanfattning : Genetic variation is essential for biological evolution, for maintaining viability of populations, and to ensure ecosystem resilience. Increased human exploitation and environmental change result in rapid loss of biological variation, including genetic diversity. LÄS MER

4. 3. Sound production in odontocetes, with emphasis on the harbour porpoise, Phocoena phocoena

   Författare :Mats Amundin; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : .... LÄS MER