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Filtering by: Creator Butterworth, Hezekiah, 1839-1905 Academic Affiliation Fisheries and Wildlife Degree Level Doctoral

Beached Bones: Exploring the Genetic Impact of Exploitation on the Diversity of Great Whales in the South Atlantic

Creator:

Sremba, Angela L.

Abstract:

Commercial whaling during the 20th century drastically reduced many populations of great whales in the Southern Hemisphere. The Antarctic blue whale, for example, is estimated to have been reduced to less than 0.1% of its original abundance based on catch records and population dynamic models. Despite this population bottleneck, several...

Resource Type:

Dissertation

Full Text:

Grahams Land from 1905-1931 (Hart 2006). .............................................................39
Classification of Icelandic watersheds and rivers to explain life history strategies of Atlantic salmon

Creator:

Gudjonsson, Sigurdur

Abstract:

A hierarchical classification system of Iceland's watersheds and rivers is presented. The classification is based on Iceland's substrate, climate, water, biota, and human cultural influences. The geological formations of Iceland are very different in character depending on their age and formation history. Three major types of formations occur: Tertiary, Plio-Pleistocene,...

Resource Type:

Dissertation