Siggi Árnason | Háskólinn á Hólum

Siggi Árnason

E-mail: sigha (at)

Advisor: Dr. Bjarni Kristófer Kristjánsson

Previous education:

M.Sc. in Plant Genetics. University of Iceland. Reykjavík, Iceland.

B.Sc. in Biology with emphasis on Ecology, Evolution and Conservation. University Of Hawaii at Manoa, Hawaii, USA.

A.Sc. in Biology. Brookdale College. New Jersey, USA.

Background and research interests:

My main research interests lie in understanding the spatio-temporal factors that shape biodiversity. My passion lies in how this understanding can be used as a tool for the conservation of biodiversity both locally and globally.

While earning a bachelor's degree I worked for the Cowie laboratory at the University of Hawaii´s Center for Conservation Research and Training. There I was part of a large scale project aimed at quantifying invasive land snail species diversity on all the major Hawaiian Islands from sea level up to 3,000 m. When I returned to Iceland I completed a Masters level research project at the University of Iceland focusing on the effects of island colonization on the population genetic structure of plants found on the young volcanic island of Surtsey, Iceland.

My current research uses temporally based behavioural, diet, morphometric and environmental data to explore how ecological factors encountered througout the development of Small Benthic Arctic Charr shape phenotypic diversity. A greater understanding of the environmental factors which affect biological diversity is the key to re-assembling and rehabilitating ecosystems in the face of current environmental and climate changes. This will be of ever increasing importance as anthropogenic habitat destruction and fragmentation, along with global climate change, is currently causing a biodiversity crisis of a scale and magnitude not seen since the Cretaceous, what some are calling the "Sixth Mass Extinction".

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