Sökning: "Sea Ice dynamics"
Visar resultat 21 - 23 av 23 avhandlingar innehållade orden Sea Ice dynamics.
21. Molecular ecology of marine mammals
Sammanfattning : Marine mammals comprise a paraphyletic group of species whose current abundance and distribution has been greatly shaped by past environmental changes and anthropogenic impacts. This thesis describes molecular ecological approaches to answer questions regarding habitat requirements, genetic differentiation, and life-history trade-offs in three species of marine mammals. LÄS MER
22. Investigating the impacts of Late Pleistocene climate change on Arctic mammals using palaeogenomics
Sammanfattning : The climatic fluctuations of the Late Pleistocene likely had a large impact on the evolutionary history of Arctic species. Palaeogenomics is a useful tool to shed light on how past populations responded to these climatic shifts and the associated ice sheet dynamics and sea level change. LÄS MER
23. Mid-Holocene mineral dust deposition in raised bogs in southern Sweden : Processes and links
Sammanfattning : Atmospheric mineral dust is a key component of the climate system, which affects insolation, brings nutrients to marine and terrestrial ecosystems, and acts as a cloud condensation nuclei. To reconstruct past patterns in terrestrial dust deposition natural archives may be utilized, such as loess, dunes, lakes, and peat bogs. LÄS MER