Data set for "Landscape-variability of the carbon balance across managed boreal forests"

• Main Authors: Peichl, Matthias, Martínez García, Eduardo, Fransson, Johan E.S., Wallerman, Jörgen, Laudon, Hjalmar, Lundmark, Tomas, Nilsson, Mats B.
• Format: Dataset
• Language: English
• Published: 2022
• Subjects: Boreal forest landscape; Carbon sequestration; Climate change mitigation; Forest management; Rotation-forestry; Net primary production; Heterotrophic respiration; Martínez; Northern Sweden
• Online Access: https://zenodo.org/record/7312986; https://doi.org/10.5281/zenodo.7312986

This data set is a compilation of biometric- and chamber-based annual CO2 flux estimates obtained during the period 2016–2018. Data were collected in 50 main forest stands within the Krycklan Catchment Study (KCS, https://www.slu.se/Krycklan), a multi-scale long-term monitored boreal catchment spanning 68 km2 in northern Sweden. Seven additional old forest stands were also included with the aim to reconcile our CO2 flux estimates for the old age class. Selected forest stands encompassed different landscape attributes: 1) soil type (i.e., sediment and till), 2) dominant tree species (i.e., pine and spruce), and 3) stand age class (i.e., initiation, young, middle-aged, mature, and old stands). Annual CO2 fluxes included are the following: net ecosystem production (NEP), net primary production (NPP), net primary production of trees (NPPt), net primary production of understory (NPPu) as well as total heterotrophic respiration (RH) and its soil and dead wood components (RHs and RHdw, respectively). All component CO2 fluxes are presented as positive terms, whereas positive and negative NEP refers to net C sink and source, respectively. It also includes a set of potential abiotic and biotic drivers controlling NEP and its component fluxes at the landscape-scale. This data set is composed of three Microsoft Excel worksheets: readme, metadata, and data. More details can be found in Peichl et al. (2022) Landscape-variability of the carbon balance across managed boreal forests. Global Change Biology, 00, 1–14. https://doi.org/10.1111/gcb.16534. Contact information: Professor Matthias Peichl ([e-mail]) Ph.D. Eduardo Martínez García ([e-mail], [e-mail]) Department of Forest Ecology and Management, Swedish University of Agricultural Sciences (SLU), Skogsmarksgränd 17, SE-901 83, Umeå, Sweden