Project

RIS-ID

{{risid}}

Climate change impacts on Arctic soil and lake microbiomes (CLIMARCTIC)

CLIMARCTIC will study the potential effects of climate change on the diversity and genetic functional attributes of a High Arctic terrestrial microbiome in soils, wetlands and lakes. We will combine paleolimnological, field and experimental studies to assess their role as feed-back mechanisms in the climate system under future global changes.

Great to see you here!

Did you know that there are {{related}} projects registered now with keywords matching your project, and {{close}} projects with fieldwork within 10km of your fieldwork site?

check them out here!

Thank you for adding your research project to the growing pool of knowledge about the research going on in Svalbard and its surrounding waters!

As we would like you to know a bit about what is going on in Svalbard in your discipline and fieldwork surroundings, we have selected some projects that should be interesting for you to have a look at. There are {{related}} projects registered in RiS that match with your keywords, and below you will find links to the 3 that have the most relevant match.

As we all work to reduce our environmental footprint, we want to give you an easy way to find projects that have fieldwork close to you, so you can contact the project owner and coordinate your logistics whenever possible. This could also help you save some expensive costs ;) There are {{close}} projects registered in RiS that have registered their fieldwork sites within 10 km from you, and below you will find links to the 3 closest fieldwork locations.

×
Back

Related Projects

×

Close projects

Your fieldworks Fieldworks close to yours
RiS map service is temporarily down
x
× <

Project date

Starts
2017-03-01

Ends
2020-03-01

Project status

{{statustext}} When your project description has been processed and your project added to RiS, the booking and application functions will be available. Remember that you need to register fieldwork periods to access these functions.

Associated projects

See all associated projects

Project type

  • field work
  • long-term monitoring
  • data management
  • education and outreach

Discipline

  • terrestrial biology
  • cryosphere

Project Keywords

  • biosphere / ecological dynamics / ecosystem functions
  • biosphere / ecological dynamics / community dynamics
  • biosphere / terrestrial ecosystems / alpine/tundra
  • paleoclimate / ocean/lake records / sediments
  • biosphere / aquatic ecosystems / lakes
  • paleoclimate / ocean/lake records / microfossils
  • biosphere / microbiota taxonomy / bacteria
  • paleoclimate / paleoclimate reconstructions / vegetation reconstruction
  • biosphere / terrestrial ecosystems / wetlands

Fieldwork information

Click on map point to view details for the point.

RiS map service is temporarily down
x
Points close to each other:
{{point.posId}}. {{point.startDate}} – {{point.endDate}}: {{point.location}}


Type Period From To Coordinates Station Location
{{fieldwork.type}} {{fieldwork.mapType}} {{fieldwork.period}} {{fieldwork.startDate}} {{fieldwork.endDate}} E{{fieldwork.utm33East}}, N{{fieldwork.utm33North}}
{{fieldwork.lat | number : 6}}°N, {{fieldwork.long | number : 6}}°E
{{fieldwork.stationName}} {{fieldwork.location}}

Summary

Nowhere is climate change more intense than in the Arctic, making it the most appropriate reference region for the detection and understanding of global change and its effects on biodiversity and ecosystem functioning. In fact, the physical and chemical attributes of Arctic soils and lakes are very sensitive to climate change because of their close proximity to tipping points related to the 0°C threshold. The biogeochemical cycles and functioning of these terrestrial Arctic ecosystem are to a large extent controlled by microorganisms from all domains of life. The combined effects of increasing temperatures and changes in the length of the growth season and moisture availability on different processes in the carbon (photosynthesis, respiration, methane production), nitrogen and phosphorus cycles of Arctic terrestrial ecosystems are poorly understood. CLIMARCTIC is aimed at studying the potential effects of climate change on the diversity and genetic functional attributes (nutrient and carbon cycling) of a High Arctic terrestrial microbiome in soils, wetlands and lakes. The combination of paleolimnological, field and experimental studies will provide insights into the response of these ecosystems to climate changes and hence to assess their role as feed-back mechanisms in the climate system under future global changes. Representative samples along environmental and temporal scales (different seasons) will be taken in two lakes and their catchment areas in Svalbard (Ny-Alesund, international platform for Arctic research) for microscopy and sequence-based biodiversity assessments of marker genes, as well as taxonomic profiling using high performance liquid chromatography of the photosynthetic pigments. This information will be combined with laboratory experiment using stable isotopes of N and C as well as 13C-DNA stable isotope probing to study nutrient and carbon cycling in order to develop a conceptual model of the food webs of a dry and wet tundra system in the catchment of the lakes. Metagenomics and metatranscriptomics on a selection of these samples from these tundra systems will be used to study the genetic make-up of these microbiomes and the differential gene expression patterns in field and laboratory experiments in response to climate changes; a particular focus will be put on nutrient and carbon cycling. The field experiment will make use of snow fences and is aimed at assessing the effect of increased winter precipitation on the functioning of the soil ecosystems. In the laboratory experiments we will assess the effect of temperature fluctuations including climate warming on gene expression and carbon cycling. We will also quantify the conversion rates between the different forms of N, P and C in field and laboratory experiments. The total nutrient and carbon concentrations and the different chemical forms of N and P will be analysed in the field samples and in different sources, such as glacier ice, snow banks and (mineral) soils. This information will be used to assess the structuring role of environmental factors on the microbial communities. During the three field campaigns - including one during winter - we will measure snow depth and light climate and analyse the photosynthetic efficiency, the respiration and the methane production in a natural wet and dry tundra site and in the plots with altered snow depth. Changes in nutrient, organic carbon content and food web structure over longer timescales will be analysed in radiometric-dated lake sediment cores to assess the responsiveness, resilience and rates of change of the lakes and their catchments during the past 2000 years. This information will allow us to put the predictions of the response of these communities to changes in temperature and moisture observed in the space-for-time substitution in a context of natural variability.

Project members

Participating institutions

Project updates

No updates yet

Publications

No publications yet

{{p.title}}

{{p.description}}

{{p.link}}

{{p.link}}

DataSet

No dataset yet