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[ID: 352] Långsiktiga effekter av olika gödselgivor på inväxning och plantbildning i granskog

PI: Annika Nordin

Långsiktiga effekter av olika gödselgivor på inväxning och plantbildning i granskog

spruceplant growthFertilization

[ID: 272] Degerfors - Establishment of a new stand managed with precisely added nutrient load

PI: Fredrik Sjödin

Summary This trial aims to monitor effects of a specific and precisely added nutritive load (arginine) in the establishment of a new generation plantlings. The trial also aims to repeat the same load yearly after establishment to see growth effects. The trial is set up as parcels of pine, spruce and birch both in mixtures and monoculture. Nutrition management, growth and survival of common species in monocultures and in mixed stands. Established 2020-06 Also see in same trial series location Fredrika, Västerbotten and Asa, Småland.

birchspruceargrowprecise added nutrientsplant nutrientpinenutrition managementmonoculturesmixed stands

[ID: 210] 7201 Gap trial Kälmyrbränna

PI: Fredrik Sjödin

The aim of this experiment is to study establishment, survival and growth of Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) planted in gaps ofpine dominated forest. Further, the study will also show how the gaps affect the stand increment compared to a stand without gaps. The theory is that the gaps increase incoming light and therefore also the increment.

sprucepineregenerationgap

[ID: 209] 7206 Gap trial Storkåtatjärnsbäcken

PI: Fredrik Sjödin

The aim ofthis experiment is to study establishment, survival and growth of Scots pine (Pinus ,ylvestris) and Norway spruce (Picea abies) planted in gaps of pine dominated forest. Further, the study will also show how the gaps affect the stand increment compared to a stand without gaps. The theory is that the gaps increase incoming light and therefore also the increment.

pinegapregenerationspruce

[ID: 206] Gallring och gödsling i skiktad granskog (Adaptiva)

PI: Fredrik Sjödin

This project in safe deposit is the main collection point of data for the trial series gg skiktad granskog. All data except what is on the ESF field data base. Backup data, summary of trials, general information, revision 2019. All 12 plots. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Special data from Wood decay studie 2015 by Anna Gunulf Åberg, plot 1565, 1566, 1572, 1575, 1576.

summaryselection systemProject backupmeta datarevision 2019fertilisationWood decay fungusthinningspruce

[ID: 174] Birch spruce replacement

PI: Emma Holmström

The purpose of the experiment is to have long term measurements of growth and stand development of the two species in monoculture vs mixture. The first treatments are initiated after regeneration on sites with planted Norway spruce and naturally regenerated birch where the two species are within the same average heights. First treatment is a pre-commercial thinning aiming for stand composition in four different levels : Every block is divided in four treatments with 100 % Norway spruce (NS), 100 % Birch, mixture 33 % NS and 66 % Birch, mixture 66 % NS and 33 % birch.

forest managementsilviculturesprucebirch

[ID: 110] Fredrika - Establishment of a new stand managed with precisely added nutrient load

PI: Fredrik Sjödin

This trial (#25369 in SilvaBoreal) aims to monitor effects of a specific and precisely added nutritive load (arginine) in the establishment of a new generation plantlings. The trial also aims to repeat the same load yearly after establishment to see growth effects. The trial is set up as parcels of pine, spruce and birch both in mixtures and monoculture. Nutrition management, growth and survival of common species in monocultures and in mixed stands. Established 2019-06-17 Also see in same trial series location Degerfors, Västerbotten and Asa, Småland.

spruceprecise added nutrientsarginineargrowbirchmixed standsmonoculturesnutrition managementpineplant nutrient

[ID: 107] Comparison of ecosystem C and N stocks in Norway spruce vs. Scots pine stands throughout Sweden

PI: Robert Blasko

We are evaluating the performance of Norway spruce vs. Scots pine stands at the sites equally suitable for both species in the experiments at Kulbäcksliden 1028-1029, Flakaträsk 2458, Övra 1061, and Björkheden 1062. The aim is to evaluate how the different species productivity affects C and N stocks of he ecosystem and some of the important C fluxes; soil CO2 efflux and litterfall.

pinesprucecarbonbalancenitrogentree speciessoil microbial communities

[ID: 98] Biomass sampling Interval fertilizing 1523-1526, 1061, 1062

PI: Ulla Nylander

Data from biomass sampling taken at intensively managed experiments on spruce and pine, trial 1523 - 1526, 1061 and 1062.

fertilizerbiomasspinespruce

[ID: 89] 1029 Kulbäcksliden

PI: Ulla Nylander

1029 Kulbäcksliden. Data from biomass sampling sept. 2018. The effect on stand development of different spacing after planting and precommercial thinning in spruce.

spacingsprucethinningbiomass

[ID: 88] 1477 Flakaliden Biomass

PI: Ulla Nylander

Data from destructive sampling to describe tree and stand structure.

dry weightsprucefresh weightbiomass

[ID: 79] 2221 - 2233 Natural forest trials

PI: Ulla Nylander

Data from 13 virgin forest stands situated within forest reserves in northern Sweden. Established by Professor Björn Elfving. Current study of data PhD Carl Vigren (2021-ongoing)

virgin forestpinebirchsprucenatural forestforest reserves