Jenni Nordén
@jenninorden.bsky.social
Forest ecologist and senior researcher at the Norwegian Institute for Nature Research. Interested in forest biodiversity, ecosystem carbon, management, land use and climate change.
https://www.nina.no/english/Contact/Employees/Employee-info?AnsattID=15460
https://www.nina.no/english/Contact/Employees/Employee-info?AnsattID=15460
Forest soil carbon stock decreases for up to 30 years, with up to 23%, following clear-cutting, according to a major study from the Nordic countries and Canada.
@ninanatureresearch.bsky.social @nibiolandskap.bsky.social @luke.fi @cjohannesson.bsky.social
www.nina.no/english/Abou...
@ninanatureresearch.bsky.social @nibiolandskap.bsky.social @luke.fi @cjohannesson.bsky.social
www.nina.no/english/Abou...
Clear-Cutting of forests decreases soil organic carbon for decades
Photo credit: Anne Sverdrup-Thygeson
Nearly half of all the carbon stored on land is found in forests, as both trees and soil act as powerful carbon sinks.
Forest management approaches affect forest...
www.nina.no
April 4, 2025 at 5:23 PM
Forest soil carbon stock decreases for up to 30 years, with up to 23%, following clear-cutting, according to a major study from the Nordic countries and Canada.
@ninanatureresearch.bsky.social @nibiolandskap.bsky.social @luke.fi @cjohannesson.bsky.social
www.nina.no/english/Abou...
@ninanatureresearch.bsky.social @nibiolandskap.bsky.social @luke.fi @cjohannesson.bsky.social
www.nina.no/english/Abou...
Reposted by Jenni Nordén
If you are interested how long it takes for forest soil C to recover from clear-cut, check our new paper: www.sciencedirect.com/science/arti...
@luke.fi @nibiolandskap.bsky.social @holisoils.bsky.social
@luke.fi @nibiolandskap.bsky.social @holisoils.bsky.social
April 4, 2025 at 5:05 AM
If you are interested how long it takes for forest soil C to recover from clear-cut, check our new paper: www.sciencedirect.com/science/arti...
@luke.fi @nibiolandskap.bsky.social @holisoils.bsky.social
@luke.fi @nibiolandskap.bsky.social @holisoils.bsky.social
Reposted by Jenni Nordén
"Decadal decline in forest floor soil organic carbon after clear-cutting in Nordic and Canadian forests"
New paper published!
28-35 years until minimum soil C stock is reached
More initial soil C --> more loss!
Based on National Forest Soil Inventory data
www.sciencedirect.com/science/arti...
New paper published!
28-35 years until minimum soil C stock is reached
More initial soil C --> more loss!
Based on National Forest Soil Inventory data
www.sciencedirect.com/science/arti...
Decadal decline in forest floor soil organic carbon after clear-cutting in Nordic and Canadian forests
Nordic and Canadian forests store substantial amounts of carbon (C) and are largely managed in a silvicultural system with clear-cut harvest. Previous…
www.sciencedirect.com
April 4, 2025 at 6:16 AM
"Decadal decline in forest floor soil organic carbon after clear-cutting in Nordic and Canadian forests"
New paper published!
28-35 years until minimum soil C stock is reached
More initial soil C --> more loss!
Based on National Forest Soil Inventory data
www.sciencedirect.com/science/arti...
New paper published!
28-35 years until minimum soil C stock is reached
More initial soil C --> more loss!
Based on National Forest Soil Inventory data
www.sciencedirect.com/science/arti...
Reposted by Jenni Nordén
Closed/static/non-steady-state chamber for flux measurements? You better read this to make sure you don't under- or overestimate your flux rates!
www.sciencedirect.com/science/arti...
@klausslar.bsky.social @jenninorden.bsky.social @ninanatureresearch.bsky.social
www.sciencedirect.com/science/arti...
@klausslar.bsky.social @jenninorden.bsky.social @ninanatureresearch.bsky.social
Optimizing the closure period for improved accuracy of chamber-based greenhouse gas flux estimates
Non-steady-state chambers are often used for greenhouse gas flux measurements, and while there are recommendations on how long to keep the chamber clo…
www.sciencedirect.com
March 27, 2025 at 11:27 AM
Closed/static/non-steady-state chamber for flux measurements? You better read this to make sure you don't under- or overestimate your flux rates!
www.sciencedirect.com/science/arti...
@klausslar.bsky.social @jenninorden.bsky.social @ninanatureresearch.bsky.social
www.sciencedirect.com/science/arti...
@klausslar.bsky.social @jenninorden.bsky.social @ninanatureresearch.bsky.social
En ny litteraturstudie gir oversikt over hvordan flatehogst påvirker arter som lever i boreale skogøkosystemer. "Vi ser at mange av samfunnene av sopp, insekter, lav og moser ikke har klart å komme seg igjen selv 50 til 80 år etter flatehogst", sier Lisa Fagerli Lunde.
www.nmbu.no/forskning/fl...
www.nmbu.no/forskning/fl...
Flatehogst påvirker naturmangfoldet mer negativt enn antatt | NMBU
www.nmbu.no
March 26, 2025 at 9:55 PM
En ny litteraturstudie gir oversikt over hvordan flatehogst påvirker arter som lever i boreale skogøkosystemer. "Vi ser at mange av samfunnene av sopp, insekter, lav og moser ikke har klart å komme seg igjen selv 50 til 80 år etter flatehogst", sier Lisa Fagerli Lunde.
www.nmbu.no/forskning/fl...
www.nmbu.no/forskning/fl...
Species interactions can have cascading effects on metacommunity dynamics. Nenzén et al. show how temporal presence-absence data can be combined with experimental data to identify which species impact the colonization-extinction dynamics of others. esajournals.onlinelibrary.wiley.com/doi/full/10....
Combining observational and experimental data to estimate environmental and species drivers of fungal metacommunity dynamics
Understanding the distribution and dynamics of species is central to ecology and important for managing biodiversity. The distributions of species in metacommunities are determined by many factors, i...
esajournals.onlinelibrary.wiley.com
February 7, 2025 at 4:01 PM
Species interactions can have cascading effects on metacommunity dynamics. Nenzén et al. show how temporal presence-absence data can be combined with experimental data to identify which species impact the colonization-extinction dynamics of others. esajournals.onlinelibrary.wiley.com/doi/full/10....
Open 3-year post doc position on carbon fluxes in forest soils, in NIBIO, in the project CONSEQUENCE that focuses on links between ecosystem C stocks, C processes and microbial communities, to support the development of strategies for increased soil C sequestration.
www.jobbnorge.no/en/available...
www.jobbnorge.no/en/available...
Postdoc - Carbonfluxes in Forest soil (272246) | Norwegian Institute of Bioeconomy Research
Job title: Postdoc - Carbonfluxes in Forest soil (272246), Employer: Norwegian Institute of Bioeconomy Research, Deadline: Sunday, February 16, 2025
www.jobbnorge.no
January 24, 2025 at 3:32 PM
Open 3-year post doc position on carbon fluxes in forest soils, in NIBIO, in the project CONSEQUENCE that focuses on links between ecosystem C stocks, C processes and microbial communities, to support the development of strategies for increased soil C sequestration.
www.jobbnorge.no/en/available...
www.jobbnorge.no/en/available...
NINA-researchers found almost 400 fungal species new to Norway or science, among them the "jelly raspberry candy mushroom" and mini volcanoes.
Om gelebringebærgodterisopp, minivulkaner og nærmest 400 nye (for Norge eller vitenskap) sopparter NINA-forskerne har funnet.
www.nina.no/Om-NINA/Aktu...
Soppforskerne har oppdaget 387 nye arter!
To turkledde menn står i skogen med ei lupe foran det ene øyet og finstuderer tilsynelatende helt vanlige pinner og planter. Mange av de uanselige vekstene på pinnene har de sett før, men innimellom f...
www.nina.no
January 23, 2025 at 1:10 PM
NINA-researchers found almost 400 fungal species new to Norway or science, among them the "jelly raspberry candy mushroom" and mini volcanoes.
Om gelebringebærgodterisopp, minivulkaner og nærmest 400 nye (for Norge eller vitenskap) sopparter NINA-forskerne har funnet.
www.nina.no/Om-NINA/Aktu...
Reposted by Jenni Nordén
New paper (review) out led by Lisa Fagerli Lunde: Towards repeated clear-cutting of boreal forests – a tipping point for biodiversity? (Unfortunately behind paywall, inform if you would like a pdf).
onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com/doi/10.1111/...
Towards repeated clear‐cutting of boreal forests – a tipping point for biodiversity?
Boreal forests are important carbon sinks and host a diverse array of species that provide important ecosystem functions. Boreal forests have a long history of intensive forestry, in which even-aged ...
onlinelibrary.wiley.com
January 16, 2025 at 9:21 AM
New paper (review) out led by Lisa Fagerli Lunde: Towards repeated clear-cutting of boreal forests – a tipping point for biodiversity? (Unfortunately behind paywall, inform if you would like a pdf).
onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com/doi/10.1111/...
Lunde et al. review the short- & long-term effects of clear-cutting on boreal forest biodiversity in four key substrates: living trees, dead wood, ground and soil. They include also the effects of habitat fragmentation on this biodiversity. Project #EcoForest
onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com/doi/10.1111/...
Towards repeated clear‐cutting of boreal forests – a tipping point for biodiversity?
Boreal forests are important carbon sinks and host a diverse array of species that provide important ecosystem functions. Boreal forests have a long history of intensive forestry, in which even-aged ...
onlinelibrary.wiley.com
January 15, 2025 at 3:15 PM
Lunde et al. review the short- & long-term effects of clear-cutting on boreal forest biodiversity in four key substrates: living trees, dead wood, ground and soil. They include also the effects of habitat fragmentation on this biodiversity. Project #EcoForest
onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com/doi/10.1111/...
Madsen et al. show that in mature boreal forests, previously clear-cut stands had higher soil respiration rates and greater tree litterfall but smaller understorey litterfall C inputs than near-natural stands. The C flux balances were similar in the stand types.
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Harvesting history affects soil respiration and litterfall but not overall carbon balance in boreal Norway spruce forests
Understanding long-term effects of clear-cutting on current soil carbon (C) fluxes in boreal forests is important in the perspective of global C cycli…
www.sciencedirect.com
January 15, 2025 at 10:32 AM
Madsen et al. show that in mature boreal forests, previously clear-cut stands had higher soil respiration rates and greater tree litterfall but smaller understorey litterfall C inputs than near-natural stands. The C flux balances were similar in the stand types.
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Reposted by Jenni Nordén
Bli med NRK og åtte biologer fra Biofokus inn i en skog som aldri har vært kartlagt, tross for at den er regulert til hytter. Slik forsvinner naturen i blinde: nrk.no/dokumentar/x...
NRKs biolog-stunt: Her er naturen vi mister
nrk.no
January 11, 2025 at 10:35 AM
Bli med NRK og åtte biologer fra Biofokus inn i en skog som aldri har vært kartlagt, tross for at den er regulert til hytter. Slik forsvinner naturen i blinde: nrk.no/dokumentar/x...
New Nordic handbook provides advice and practical examples for finding nature-based solutions (NbS) to various societal challenges. We address NbS in forest 🌲, mountain 🏔️, urban 🏙️, coastal 🏖️, river, lake and wetland 🏞️ ecosystems as well as cultural landscapes 🐄. nbsguide.org
Home
NBSguide.org
nbsguide.org
December 9, 2024 at 11:28 AM
New Nordic handbook provides advice and practical examples for finding nature-based solutions (NbS) to various societal challenges. We address NbS in forest 🌲, mountain 🏔️, urban 🏙️, coastal 🏖️, river, lake and wetland 🏞️ ecosystems as well as cultural landscapes 🐄. nbsguide.org
Reposted by Jenni Nordén
Healthy #soil is full of life!
Better not mess around with it.
#WorldSoilDay #forestsoil #HoliSoils #fertilizers #herbicides #pesticides #ClearCut
Better not mess around with it.
#WorldSoilDay #forestsoil #HoliSoils #fertilizers #herbicides #pesticides #ClearCut
December 5, 2024 at 8:07 PM
Healthy #soil is full of life!
Better not mess around with it.
#WorldSoilDay #forestsoil #HoliSoils #fertilizers #herbicides #pesticides #ClearCut
Better not mess around with it.
#WorldSoilDay #forestsoil #HoliSoils #fertilizers #herbicides #pesticides #ClearCut
Reposted by Jenni Nordén
New Perspective: Tree planting is no climate solution at northern high latitudes - led by Jeppe Aagaard Kristensen @jeep4x4.bsky.social of @aarhusuni.bsky.social #soilcarbonstorage #climatecrisis #Arctic #naturebasedsolutions #herbivory #Permafrost
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Tree planting is no climate solution at northern high latitudes - Nature Geoscience
Planting trees in high-latitude regions can be counterproductive to climate change mitigation, according to a synthesis of the biophysical and ecological impacts of planting trees.
www.nature.com
November 28, 2024 at 1:45 PM
New Perspective: Tree planting is no climate solution at northern high latitudes - led by Jeppe Aagaard Kristensen @jeep4x4.bsky.social of @aarhusuni.bsky.social #soilcarbonstorage #climatecrisis #Arctic #naturebasedsolutions #herbivory #Permafrost
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Jenni Nordén
Forskere kritisk til Naturmeldingen og har gått sammen i et opprop som ber Stortinget gjøre de nødvendige oppstramminger.
www.khrono.no/stortinget-m...
www.khrono.no/stortinget-m...
Forskeropprop: Stortinget må sette kunnskapen i arbeid for å stoppe naturtapet
Vi forventer at Norge nå benytter forskningen som det norske samfunnet har investert i, skriver 27 naturforskere i et opprop.
www.khrono.no
November 15, 2024 at 6:22 PM
Forskere kritisk til Naturmeldingen og har gått sammen i et opprop som ber Stortinget gjøre de nødvendige oppstramminger.
www.khrono.no/stortinget-m...
www.khrono.no/stortinget-m...
Clear-cut harvest has substantial and long-lasting effects on boreal and northern temperate forest soil carbon storage. Preprint by Carl-Fredrik Johannesson et al.: papers.ssrn.com/sol3/papers....
Decadal Decline in Forest Floor Soil Organic Carbon after Clear-Cutting in Nordic and Canadian Forests
Nordic and Canadian forests store substantial amounts of carbon (C) and are largely managed in a silvicultural system with clear-cut harvest. Previous meta-anal
papers.ssrn.com
November 16, 2024 at 6:01 PM
Clear-cut harvest has substantial and long-lasting effects on boreal and northern temperate forest soil carbon storage. Preprint by Carl-Fredrik Johannesson et al.: papers.ssrn.com/sol3/papers....