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[ID: 380] Deep groundwater carbon sources and age

PI: Marcus Klaus

Groundwater is one of the largest continental carbon (C) pools, but it is unclear where this C comes from and how long it resides in the subsurface before being released to the atmosphere through inland waters. The aim of this project is to unravel the magnitude, sources and age of C in groundwater aquifers within the Krycklan Catchment study. Twelve groundwater wells of different depth are sampled for carbon age, bulk groundwater age and concentrations of various carbon species, including dissolved organic and inorganic carbon and methane. The project will enable the quantification of legacy effects of groundwater in the C cycle and potential delays in the response of C emissions from groundwater-fed inland waters to changes in land C uptake. The project results will have implications for the development of more accurate landscape C models.

groundwatercarbondating

[ID: 379] Impact of climate change on peatland mesocosms under various scenarios

PI: Shokoufeh Salimi

The project aims to investigate the effect of climate change on peatland mesocosms under different scenarios a) left alone b) ditch cleaning c) restoration. In this study, the response of peatlands mesocosms will be monitored in terms of hydrology, nutrients dynamics, as well as greenhouse gas emission.

Peatland mesocosmsClimate changeRestoration

[ID: 378] Hyggesålder björk

PI: Urban Nilsson

Testing the effects of several clearcut treatments on the growth of birch. One site per experimental park.

clearcutbirchbetula

[ID: 377] Renskötselanpassat skogsbruk

PI: Dan Bergström

Renskötselanpassat skogsbruk i norrbotten

rensködselskogsbruknorrbotten

[ID: 376] VR Shedding light on the dark reduction mobilizing mercury in peat

PI: Kevin Bishop

This project will test if redox processes in the uppermost decimeters of peat can link atmospheric concentration changes to this dramatic shift in the direction of mercury movement between the atmosphere and the peat surface.

mercuryreductionland-atmosphere exchange

[ID: 375] Summer Interns France

PI: Kevin Bishop

Students from ENGEES and other French Universities do 3 month internships based at the Vindeln Experimental Forests. Kevin Bishop has been utilizing these students since 2011 to assist in field projects related to hydrology, carbon and mercury

HydrologyCarbonMercuryENGEESSLU NJ Ämne Miljöanalys

[ID: 374] Growth response of Norway spruce and Scots pine in Sweden

PI: Friday Nwabueze Ogana

In this project, we will carry out a country-scale representative analysis of the radial growth response of Norway spruce and Scots pine to weather conditions. We hope to delineate the spatial patterns and relative strength in the way these species respond to weather conditions in Sweden.

Dendrochronologyprecipitationtemperature

[ID: 373] Collection of air and solid samples to produce a radiocarbon budget and determine the mean transit time of carbon

PI: Carlos A. Sierra

In this project, we will collect air samples inside the forest canopy at different heights to determine the 14C signature of the respired CO2 from the ecosystem in the footprint of the ICOS tower. To determine the source of the 14CO2, we will collect additional samples from vegetation and soils for 14C determination. The overall goal of the project is to obtain an estimate of the mean transit time of carbon; i.e. the time it takes carbon atoms to pass throught the ecosystem, from photosynthesis until respiration.

Radiocarbontransit timeecosystem respirationcarbon sequestration

[ID: 372] Test av mekaniska plantskydd. Uppdrag Södra

PI: Stefan Eriksson

Test av mekaniska plantskydd och behandlingsmetoder. Uppdrag från Södra.

Plantskyddbehandlingplanttyp

[ID: 371] Interactive ML ditch model

PI: William Lidberg

Development of a website for interactive use of a machine learning model that predicts ditches based on image data.

machine learningditchditchesinteractivewebsite

[ID: 370] Methane emissions from high latitude peatlands - bridging the abyss between environmental factors and ecosystem scale methane formation and emission

PI: Koffi Dodji Noumonvi

This project aims to take advantage of the good existing understanding of the basic biogeochemistry of methane, in order to link direct ecosystem scale Eddy covariance measurements of methane fluxes to the main drivers of methane formation and oxidation. As part of the project, we will monitor vegetation phenology at the Kulbäcksliden mire complex encompassing four sites: Degerö Stormyr, Stortjärn, Hålmyram and Hälsingfors. We will therefore take UAV images once a month to that end.

MethaneDriversKulbäcksliden

[ID: 369] Inventering av viltbetesskador i planterade tallföryngringar 2017-2020 (F486)

PI: Mikael Andersson

Inventering av beteskador på ett 50-tal lokaler som planterats med tall under åren 2017-2000. Urvalet av lokaler är gjort från de planteringsuppföljningar som Södra skog utför på sommaren direkt efter de har planterats under vårsäsongen.

Viltbeteskadortallplantor