Sverdrup Research Station, Ny-Ålesund: projects/activities

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Directory entires that have specified Sverdrup Research Station, Ny-Ålesund as one of the geographic regions for the project/activity and are included in the AMAP, ENVINET, SAON and SEARCH directories. Note that the list of regions is not hierarchical, and there is no relation between regions (e.g. a record tagged with Nunavut may not be tagged with Canada). To see the full list of regions, see the regions list. To browse the catalog based on the originating country (leady party), see the list of countries.

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Displaying: 1 - 4 of 4
1. Arctic and Alpine Stream Ecosystem Research

The project, Arctic and Alpine Stream Ecosystem Research (AASER), started within EU’s Climate & Environment Programme and now continues with national funding, primarily Norway, Italy and Austria. The objective is to study dynamics and processes in rivers systems in Arctic and Alpine regions. Emphasis is given to the relationships between benthic invertebrates and environmental variables, especially in glacier-fed systems and in relation to climate change scenarios. On Svalbard research is concentrated around Ny Ålesund, particularly Bayelva and Londonelva. In 2004 the focus will be on the use to stable isotopes to detect transfer processes within and between ecosystems.

Glaciers Biology Catchment studies Spatial trends Climate change Biodiversity Arctic Food webs Temporal trends Ecosystems
2. On thin Ice

On thin Ice

Biology Biodiversity
3. Diversity and nitrogen fixation activity of cyanobacterial communities in terrestrial arctic ecosystems

Biological nitrogen fixation by cyanobacteria is a key process for productivity in terrestrial Arctic ecosystems and the activity is dependent of size and diversity of cyanobacterial populations. Changes in biodiversity after pertubations of different types of habitats simulating climatic changes or other antropogenic effects will be studied by molecular methods and correlated to variations of nitrogen fixation activity.

Biology nitrogen fixation cyanobacteria Climate change Biodiversity Arctic
4. Diversity and changes on temporal and spatial scales of the cyanobacterial community in the high arctic environment of Spitsbergen, Svalbard Islands

The structure and role of the cyanobacterial communities that colonise bare soils and fix nitrogen in the arctic ecosystem will be studied. The planned activities will focus on the isolation, identification and characterisation of cyanobacteria from arctic habitats and on the changes of the cyanobacterial community along a transect from a retreating glacier front to a more stable habitat characterised by the presence of mature vegetation. For these purposes, a polyphasic approach encompassing microbiological, morphological and molecular techniques will be applied to environmental samples and isolated cultures. The obtained results will give new insights on the diversity and role of nitrogen fixing cyanobacteria in the arctic and, in more general terms, on ecosystem development under changing climatic conditions.

Biology nitrogen fixation cyanobacteria Soils Climate change Biodiversity Arctic Ecosystems