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Department of Forest Ecology and Management, Department of Forest Ecology and Management, joint staff
Krycklan is a research catchment and one of the most ambitious projects integrating water quality, hydrology and aquatic ecology in running waters in the boreal region. Monitoring and research has been conducted since 1920 in the area, with more intensive research the last 30 years. On this page, you will find information about Krycklan, its history, ongoing research, newsletters, recent publications and much more.
Listed below are the publications connected to Krycklan published each year
Arnott, S.E., Fugère, V., Symons, C.C., Melles, S.J., Beisner, B.E., Cañedo-Argüelles, M., Hébert, M.-P., Brentrup, J.A., Downing, A.L., Gray, D.K., Greco, D., Hintz, W.D., McClymont, A., Relyea, R.A., Rusak, J.A., Searle, C.L., Astorg, L., Baker, H.K., Ersoy, Z., Espinosa, C., Franceschini, J.M., Giorgio, A.T., Göbeler, N., Hassal, E., Huynh, M., Hylander, S., Jonasen, K.L., Kirkwood, A., Langenheder, S., Langvall, O., Laudon, H., Lind, L., Lundgren, M., Moffett, E.R., Proia, L., Schuler, M.S., Shurin, J.B., Steiner, C.F., Striebel, M., Thibodeau, S., Cordero, P.U., Vendrell-Puigmitja, L., Weyhenmeyer, G.A., Derry, A.M., n.d. Widespread variation in salt tolerance within freshwater zooplankton species reduces the predictability of community-level salt tolerance. Limnology and Oceanography Letters n/a. https://doi.org/10.1002/lol2.10277
Babak Mojarrad, B., Wörman, A., Riml, J., 2022. Regional groundwater funneling within the hyporheic zone EGU22-8607. https://doi.org/10.5194/egusphere-egu22-8607
Bastias, E., Sponseller, R.A., Bundschuh, M., Jonsson, M., 2022. Seasonal variation in the coupling of microbial activity and leaf litter decomposition in a boreal stream network. Freshwater Biology 67, 812–827. https://doi.org/10.1111/fwb.13883
Bejčková, M., 2022. Změny koncentrací organických látek v kontextu hydrologických extrémů v pramenných oblastech.
Blaško, R., Forsmark, B., Gundale, M.J., Lim, H., Lundmark, T., Nordin, A., 2022. The carbon sequestration response of aboveground biomass and soils to nutrient enrichment in boreal forests depends on baseline site productivity. Science of The Total Environment 838, 156327. https://doi.org/10.1016/j.scitotenv.2022.156327
Bolou-Bi, B.E., Legout, A., Laudon, H., Louvat, P., Pollier, B., Gaillardet, J., Bishop, K., Köhler, S.J., 2022. Use of stable Mg isotope ratios in identifying the base cation sources of stream water in the boreal Krycklan catchment (Sweden). Chemical Geology 588, 120651. https://doi.org/10.1016/j.chemgeo.2021.120651
Bostedt, G., 2022. Skogen som lärmiljö. Mittuniversitetet, pp. 68–69.
Costello, D.M., Tiegs, S.D., Boyero, L., Canhoto, C., Capps, K.A., Danger, M., Frost, P.C., Gessner, M.O., Griffiths, N.A., Halvorson, H.M., Kuehn, K.A., Marcarelli, A.M., Royer, T.V., Mathie, D.M., Albariño, R.J., Arango, C.P., Aroviita, J., Baxter, C.V., Bellinger, B.J., Bruder, A., Burdon, F.J., Callisto, M., Camacho, A., Colas, F., Cornut, J., Crespo-Pérez, V., Cross, W.F., Derry, A.M., Douglas, M.M., Elosegi, A., de Eyto, E., Ferreira, V., Ferriol, C., Fleituch, T., Follstad Shah, J.J., Frainer, A., Garcia, E.A., García, L., García, P.E., Giling, D.P., Gonzales-Pomar, R.K., Graça, M.A.S., Grossart, H.-P., Guérold, F., Hepp, L.U., Higgins, S.N., Hishi, T., Iñiguez-Armijos, C., Iwata, T., Kirkwood, A.E., Koning, A.A., Kosten, S., Laudon, H., Leavitt, P.R., Lemes da Silva, A.L., Leroux, S.J., LeRoy, C.J., Lisi, P.J., Masese, F.O., McIntyre, P.B., McKie, B.G., Medeiros, A.O., Miliša, M., Miyake, Y., Mooney, R.J., Muotka, T., Nimptsch, J., Paavola, R., Pardo, I., Parnikoza, I.Y., Patrick, C.J., Peeters, E.T.H.M., Pozo, J., Reid, B., Richardson, J.S., Rincón, J., Risnoveanu, G., Robinson, C.T., Santamans, A.C., Simiyu, G.M., Skuja, A., Smykla, J., Sponseller, R.A., Teixeira-de Mello, F., Vilbaste, S., Villanueva, V.D., Webster, J.R., Woelfl, S., Xenopoulos, M.A., Yates, A.G., Yule, C.M., Zhang, Y., Zwart, J.A., 2022. Global Patterns and Controls of Nutrient Immobilization on Decomposing Cellulose in Riverine Ecosystems. Global Biogeochemical Cycles 36, e2021GB007163. https://doi.org/10.1029/2021GB007163
Dorodnikov, M., Knorr, K.-H., Fan, L., Kuzyakov, Y., Nilsson, M.B., 2022. A novel belowground in-situ gas labeling approach: CH4 oxidation in deep peat using passive diffusion chambers and 13C excess. Science of The Total Environment 806, 150457. https://doi.org/10.1016/j.scitotenv.2021.150457
Edström, S., 2022. Groundwater modeling of Krycklan catchment and evaluation of the groundwater discharge distribution.
Engman, A., 2022. Quantification of peat volume change in Northern peatlands : A study of mires capacity to swell and shrink and its relation to mire age and land management (Independent).
Erdbrügger, J., van Meerveld, I., Seibert, J., Bishop, K., 2022. Shallow groundwater level time series and a groundwater chemistry survey from a boreal headwater catchment. Earth System Science Data Discussions 1–40. https://doi.org/10.5194/essd-2022-114
Falk, A., 2022. Towards climate optimised riparian buffer zones in boreal forests (Master’s Thesis). SLU, Dept. of Forest Ecology and Management, Umeå.
Flyckt, J., Andersson, F., Lavesson, N., Nilsson, L., Å gren, A.M., 2022. Detecting ditches using supervised learning on high-resolution digital elevation models. Expert Systems with Applications 201, 116961. https://doi.org/10.1016/j.eswa.2022.116961
Grau-Andrés, R., Kardol, P., Gundale, M.J., 2022. Trait coordination in boreal mosses reveals a bryophyte economics spectrum. Journal of Ecology 110, 2493–2506. https://doi.org/10.1111/1365-2745.13965
Hagemann, N., Magdon, P., Schnell, S., Pommerening, A., 2022. Analysing gap dynamics in forest canopies with landscape metrics based on multi-temporal airborne laser scanning surveys – A pilot study. Ecological Indicators 145, 109627. https://doi.org/10.1016/j.ecolind.2022.109627
Hébert, M.-P., Symons, C.C., Cañedo-Argüelles, M., Arnott, S.E., Derry, A.M., Fugère, V., Hintz, W.D., Melles, S.J., Astorg, L., Baker, H.K., Brentrup, J.A., Downing, A.L., Ersoy, Z., Espinosa, C., Franceschini, J.M., Giorgio, A.T., Göbeler, N., Gray, D.K., Greco, D., Hassal, E., Huynh, M., Hylander, S., Jonasen, K.L., Kirkwood, A., Langenheder, S., Langvall, O., Laudon, H., Lind, L., Lundgren, M., McClymont, A., Proia, L., Relyea, R.A., Rusak, J.A., Schuler, M.S., Searle, C.L., Shurin, J.B., Steiner, C.F., Striebel, M., Thibodeau, S., Urrutia Cordero, P., Vendrell-Puigmitja, L., Weyhenmeyer, G.A., Beisner, B.E., n.d. Lake salinization drives consistent losses of zooplankton abundance and diversity across coordinated mesocosm experiments. Limnology and Oceanography Letters n/a. https://doi.org/10.1002/lol2.10239
Huang, Z., Yun, Y., Chai, H., Lv, X., 2022. The Iterative Extraction of the Boundary of Coherence Region and Iterative Look-Up Table for Forest Height Estimation Using Polarimetric Interferometric Synthetic Aperture Radar Data. Remote Sensing 14, 2438. https://doi.org/10.3390/rs14102438
Hugosson, K., n.d. Evaluation of the variation in albedo over snow-covered forest in Northern Sweden and Finland.
Huo, L., Lindberg, E., Holmgren, J., 2022. Towards low vegetation identification: A new method for tree crown segmentation from LiDAR data based on a symmetrical structure detection algorithm (SSD). Remote Sensing of Environment 270, 112857. https://doi.org/10.1016/j.rse.2021.112857
Jutebring Sterte, E., Lidman, F., Sjöberg, Y., Ploum, S.W., Laudon, H., 2022. Groundwater travel times predict DOC in streams and riparian soils across a heterogeneous boreal landscape. Science of The Total Environment 849, 157398. https://doi.org/10.1016/j.scitotenv.2022.157398
Karimi, S., Seibert, J., Laudon, H., 2022. Evaluating the effects of alternative model structures on dynamic storage simulation in heterogeneous boreal catchments. Hydrology Research 53, 562–583. https://doi.org/10.2166/nh.2022.121
Klaus, F., n.d. Impacts of peatland drainage on soil properties (Master’s Thesis).
Kuglerová, L., Nilsson, G., Hasselquist, E.M., 2022. Too much, too soon? Two Swedish case studies of short-term deadwood recruitment in riparian buffers. Ambio. https://doi.org/10.1007/s13280-022-01793-1
Larson, J., Lidberg, W., Ågren, A.M., Laudon, H., 2022. Predicting soil moisture conditions across a heterogeneous boreal catchment using terrain indices. Hydrology and Earth System Sciences 26, 4837–4851. https://doi.org/10.5194/hess-26-4837-2022
Laudon, H., Lidberg, W., Sponseller, R.A., Maher Hasselquist, E., Westphal, F., Östlund, L., Sandström, C., Järveoja, J., Peichl, M., Ågren, A.M., 2022. Emerging technology can guide ecosystem restoration for future water security. Hydrological Processes 36. https://doi.org/10.1002/hyp.14729
Leach, J.A., Moore, R.D., Laudon, H., Buahin, C.A., Neilson, B.T., 2022. Do headwater lakes moderate downstream temperature response to forest harvesting? Illustrating opportunities and obstacles associated with virtual experiments. Hydrological Processes 36, e14593. https://doi.org/10.1002/hyp.14593
Liao, Z., He, B., Shi, Y., 2022. Improved forest biomass estimation based on P-band repeat-pass PolInSAR data across different forest sites. International Journal of Applied Earth Observation and Geoinformation 115, 103088. https://doi.org/10.1016/j.jag.2022.103088
Lidman, F.D., n.d. Natural regeneration and management of birch (PhD Thesis).
Lindqvist, K., 2022. Modelling the Effects of Climate Change on Future DOC Export to Lake Mälaren Using a Generalized Watershed Loading Functions (GWLF) Model (Master’s Thesis).
Lupon, A, Ploum, S.W., Leach, J.A., Kuglerová, L., Laudon, H. (2023). Groundwater flow paths drive longitudinal patterns of stream DOC concentrations in boreal landscapes. Hydrology and Earth System Sciences (In press).
Lupon, A., L. Gómez-Gener, M. L. Fork, H. Laudon, E. Martí, and R. A. Sponseller. Groundwater-stream connections shape the spatial patterns and rates of aquatic metabolism. Limnology and Oceanography Letters (in press)
Martínez-García, E., Nilsson, M.B., Laudon, H., Lundmark, T., Fransson, J.E.S., Wallerman, J., Peichl, M., 2022. Overstory dynamics regulate the spatial variability in forest-floor CO2 fluxes across a managed boreal forest landscape. Agricultural and Forest Meteorology 318, 108916. https://doi.org/10.1016/j.agrformet.2022.108916
Mojarrad, B.B., Wörman, A., Riml, J., Xu, S., 2022. Convergence of Groundwater Discharge through the Hyporheic Zone of Streams. Ground Water. https://doi.org/10.1111/gwat.13236
Mosquera, V., Hasselquist, E.M., Sponseller, R.A., Laudon, H., 2022. Co-occurrence of browning and oligotrophication in a boreal stream network. Limnology and Oceanography 67, 2325–2339. https://doi.org/10.1002/lno.12205
Munassar, S., Monteil, G., Scholze, M., Karstens, U., Rödenbeck, C., Koch, F.-T., Totsche, K.U., Gerbig, C., 2022. Impact of atmospheric transport on CO 2 flux estimates derived from the atmospheric tracer inversions. Atmospheric Chemistry and Physics Discussions. https://doi.org/10.5194/acp-2022-510
Myrstener, M., M. Fork, D. Hauptmann, P. Isles, R. Burrows, A-K Bergström, and R.A. Sponseller. 2022. Resolving the drivers of algal nutrient limitation from boreal to Arctic lakes and streams. Ecosystems https://doi.org/10.1007/s10021-022-00759-4.
Nieminen, M., Hasselquist, E.M., Mosquera, V., Ukonmaanaho, L., Sallantaus, T., Sarkkola, S., 2022. Post-drainage stand growth and peat mineralization impair water quality from forested peatlands. Journal of Environmental Quality 51, 1211–1221. https://doi.org/10.1002/jeq2.20412
Nordin, P., Olofsson, E., Hjelm, K., 2022. Successful spruce regenerations – impact of site preparation and the use of variables from digital elevation models in decision-making? Scandinavian Journal of Forest Research 37, 33–44. https://doi.org/10.1080/02827581.2022.2028895
Paul, S.S., Hasselquist, E.M., Jarefjäll, A., Ågren, A.M., 2023. Virtual landscape-scale restoration of altered channels helps us understand the extent of impacts to guide future ecosystem management. Ambio 52, 182–194. https://doi.org/10.1007/s13280-022-01770-8
Peichl, Matthias; Martínez-García, Eduardo; Fransson, Johan E. S.; Wallerman, Jörgen; Laudon, Hjalmar; Lundmark, Tomas; Nilsson, Mats B. 2022, Landscape-variability of the carbon balance across managed boreal forests, Global Change Biology, 10.1111/gcb.16534
Persson, H.J., Ekström, M., Ståhl, G., 2022. Quantify and account for field reference errors in forest remote sensing studies. Remote Sensing of Environment 283, 113302. https://doi.org/10.1016/j.rse.2022.113302
Pingree, M.R.A., Kardol, P., Nilsson, M.-C., Wardle, D.A., Maaroufi, N.I., Gundale, M.J., 2022. No evidence that conifer biochar impacts soil functioning by serving as microbial refugia in boreal soils. GCB Bioenergy 14, 972–988. https://doi.org/10.1111/gcbb.12978
Puts, I.C., Ask, J., Deininger, A., Jonsson, A., Karlsson, J., Bergström, A.-K., n.d. Browning affects pelagic productivity in northern lakes by surface water warming and carbon fertilization. Global Change Biology n/a. https://doi.org/10.1111/gcb.16469
Qiao, M., Qi, W., Liu, H., Qu, J., 2022. Oxygenated polycyclic aromatic hydrocarbons in the surface water environment: Occurrence, ecotoxicity, and sources. Environment International 163, 107232. https://doi.org/10.1016/j.envint.2022.107232
Rhen, L., R.A. Sponseller, H. Laudon, and M. Wallin.,2022, Long-term changes in dissolved inorganic carbon (DIC) across boreal streams caused by altered hydrology. Limnology & Oceanography, https://doi: 10.1002/lno.12282.
Rulli, M.P.D., Bergström, A.-K., Sponseller, R.A., Berggren, M., 2022. Seasonal patterns in nutrient bioavailability in boreal headwater streams. Limnology and Oceanography 67, 1169–1183. https://doi.org/10.1002/lno.12064
Sánchez Calderón, L., 2022. Forest Ditches As Habitat For Aquatic Macroinvertebrate In Boreal Landscapes.
Shi, Z., 2022. Enhancing UV-Vis Spectrophotometry Technology with Data Analytics for Real-time Water Quality Monitoring and Treatment Process Operation (PhD Thesis).
Sipari, S., Khalil, H., Magnusson, M., Evander, M., Hörnfeldt, B., Ecke, F., 2022. Climate change accelerates winter transmission of a zoonotic pathogen. Ambio 51, 508–517. https://doi.org/10.1007/s13280-021-01594-y
Staaf, R., 2022. Sediment transport in small streams is related to riparian buffer width (Bachelor Thesis). SLU, Dept. of Forest Ecology and Management, Umeå.
Stanley, E.H., Loken, L.C., Casson, N.J., Oliver, S.K., Sponseller, R.A., Wallin, M.B., Zhang, L., Rocher-Ros, G., 2022. GRiMeDB: The global river database of methane concentrations and fluxes. Earth System Science Data Discussions 1–94. https://doi.org/10.5194/essd-2022-346
Sun, X., Wang, B., Xiang, M., Zhou, L., Wang, S., Jiang, S., 2022. Machine-Learning Inversion of Forest Vertical Structure Based on 2-D-SGVBVoG Model for P-Band Pol-InSAR. IEEE Transactions on Geoscience and Remote Sensing 60, 1–15. https://doi.org/10.1109/TGRS.2021.3091541
Templer, P.H., Harrison, J.L., Pilotto, F., Flores-Díaz, A., Haase, P., McDowell, W.H., Sharif, R., Shibata, H., Blankman, D., Avila, A., Baatar, U., Bogena, H.R., Bourgeois, I., Campbell, J., Dirnböck, T., Dodds, W.K., Hauken, M., Kokorite, I., Lajtha, K., Lai, I.-L., Laudon, H., Lin, T.C., Lins, S.R.M., Meesenburg, H., Pinho, P., Robison, A., Rogora, M., Scheler, B., Schleppi, P., Sommaruga, R., Staszewski, T., Taka, M., 2022. Atmospheric deposition and precipitation are important predictors of inorganic nitrogen export to streams from forest and grassland watersheds: a large-scale data synthesis. Biogeochemistry 160, 219–241. https://doi.org/10.1007/s10533-022-00951-7
Tiwari, T., Sponseller, R., Laudon, H., 2021. The emerging role of drought as a regulator of dissolved organic carbon in the boreal landscapes. Nature communications. https://doi.org/10.21203/rs.3.rs-1137926/v1
Truchy, A., Sponseller, R.A., Ecke, F., Angeler, D.G., Kahlert, M., Bundschuh, M., Johnson, R.K., McKie, B.G., 2022. Responses of multiple structural and functional indicators along three contrasting disturbance gradients. Ecological Indicators 135, 108514. https://doi.org/10.1016/j.ecolind.2021.108514
Urrutia-Cordero, P., Langenheder, S., Striebel, M., Angeler, D.G., Bertilsson, S., Eklöv, P., Hansson, L.-A., Kelpsiene, E., Laudon, H., Lundgren, M., Parkefelt, L., Donohue, I., Hillebrand, H., 2022. Integrating multiple dimensions of ecological stability into a vulnerability framework. Journal of Ecology 110, 374–386. https://doi.org/10.1111/1365-2745.13804
Vlah, M., Rhea, S., Bernhardt, E., DelVecchia, A., Gubbins, N., Slaughter, W., Thellman, A., Ross, M.R.V., 2022. MacroSheds: a synthesis of long-term biogeochemical, hydroclimatic, and geospatial data from small watershed ecosystem studies.
Weingartner, A., Raich, J., 2022. Smart Sensors for Smart Waters, in: Di Mauro, A., Scozzari, A., Soldovieri, F. (Eds.), Instrumentation and Measurement Technologies for Water Cycle Management, Springer Water. Springer International Publishing, Cham, pp. 295–340. https://doi.org/10.1007/978-3-031-08262-7_13
Wickberg, E., Bergqvist, E.M., 2022. Effekter på beståndsutvecklingen av gallring i äldre tallskog (Bachelor Thesis). SLU, Dept. of Forest Ecology and Management, Umeå.
Zhu, X., Chen, L., Pumpanen, J., Ojala, A., Zobitz, J., Zhou, X., Laudon, H., Palviainen, M., Neitola, K., Berninger, F., 2022. The role of terrestrial productivity and hydrology in regulating aquatic dissolved organic carbon concentrations in boreal catchments. Global Change Biology 28, 2764–2778. https://doi.org/10.1111/gcb.16094
Åström, E., 2022. Long-Term Impact of Drought on AcidSulfate Soil Leaching, a Study of NineCatchment Areas in Sweden and Finland.
Ågren, A.M., Larson, J., Paul, S.S., Laudon, H., Lidberg, W., 2021. Use of multiple LIDAR-derived digital terrain indices and machine learning for high-resolution national-scale soil moisture mapping of the Swedish forest landscape. Geoderma 404, 115280. https://doi.org/10.1016/j.geoderma.2021.115280
Ameli, A.A., Laudon, H., Teutschbein, C., Bishop, K., 2021. Where and When to Collect Tracer Data to Diagnose Hillslope Permeability Architecture. Water Resources Research 57, e2020WR028719. https://doi.org/10.1029/2020WR028719
Bandau, F., Albrectsen, B.R., Robinson, K.M., Gundale, M.J., 2021. European aspen with high compared to low constitutive tannin defenses grow taller in response to anthropogenic nitrogen enrichment. Forest Ecology and Management 487, 118985. https://doi.org/10.1016/j.foreco.2021.118985
Bolou-Bi, B.E., Legout, A., Laudon, H., Louvat, P., Pollier, B., Gaillardet, J., Bishop, K., Köhler, S.J., 2022. Use of stable Mg isotope ratios in identifying the base cation sources of stream water in the boreal Krycklan catchment (Sweden). Chemical Geology 588, 120651. https://doi.org/10.1016/J.CHEMGEO.2021.120651
Buffam, I., Bishop, K., Laudon, H., 2021. Influence of the Landscape Template on Chemical and Physical Habitat for Brown Trout Within a Boreal Stream Network. Frontiers in Water 0, 112. https://doi.org/10.3389/FRWA.2021.683070
Burrows, R.M., Jonsson, M., Fältström, E., Andersson, J., Sponseller, R.A., 2021. Interactive effects of light and nutrients on stream algal growth modified by forest management in boreal landscapes. Forest Ecology and Management 492, 119212. https://doi.org/10.1016/j.foreco.2021.119212
Cai, Z., Junttila, S., Holst, J., Jin, H., Ardö, J., Ibrom, A., Peichl, M., Mölder, M., Jönsson, P., Rinne, J., Karamihalaki, M., Eklundh, L., 2021. Modelling Daily Gross Primary Productivity with Sentinel-2 Data in the Nordic Region–Comparison with Data from MODIS. Remote Sensing 13, 469. https://doi.org/10.3390/rs13030469
Campeau, A., Vachon, D., Bishop, K., Nilsson, M.B., Wallin, M.B., 2021. Autumn destabilization of deep porewater CO2 store in a northern peatland driven by turbulent diffusion. Nat Commun 12, 6857. https://doi.org/10.1038/s41467-021-27059-0
Chang, K.-Y., Riley, W.J., Knox, S.H., Jackson, R.B., McNicol, G., Poulter, B., Aurela, M., Baldocchi, D., Bansal, S., Bohrer, G., Campbell, D.I., Cescatti, A., Chu, H., Delwiche, K.B., Desai, A.R., Euskirchen, E., Friborg, T., Goeckede, M., Helbig, M., Hemes, K.S., Hirano, T., Iwata, H., Kang, M., Keenan, T., Krauss, K.W., Lohila, A., Mammarella, I., Mitra, B., Miyata, A., Nilsson, M.B., Noormets, A., Oechel, W.C., Papale, D., Peichl, M., Reba, M.L., Rinne, J., Runkle, B.R.K., Ryu, Y., Sachs, T., Schäfer, K.V.R., Schmid, H.P., Shurpali, N., Sonnentag, O., Tang, A.C.I., Torn, M.S., Trotta, C., Tuittila, E.-S., Ueyama, M., Vargas, R., Vesala, T., Windham-Myers, L., Zhang, Z., Zona, D., 2021. Substantial hysteresis in emergent temperature sensitivity of global wetland CH4 emissions. Nat Commun 12, 2266. https://doi.org/10.1038/s41467-021-22452-1
Chi, J., Zhao, P., Klosterhalfen, A., Jocher, G., Kljun, N., Nilsson, M.B., Peichl, M., 2021. Forest floor fluxes drive differences in the carbon balance of contrasting boreal forest stands. Agricultural and Forest Meteorology 306, 108454. https://doi.org/10.1016/j.agrformet.2021.108454
Dahlgren Lidman, F., Holmström, E., Lundmark, T., Fahlvik, N., 2021. Management of spontaneously regenerated mixed stands of birch and Norway spruce in Sweden. Silva Fenn. 55. https://doi.org/10.14214/sf.10485
Delwiche, K.B., Knox, S.H., Malhotra, A., Fluet-Chouinard, E., McNicol, G., Feron, S., Ouyang, Z., Papale, D., Trotta, C., Canfora, E., Cheah, Y.-W., Christianson, D., Alberto, M.C.R., Alekseychik, P., Aurela, M., Baldocchi, D., Bansal, S., Billesbach, D.P., Bohrer, G., Bracho, R., Buchmann, N., Campbell, D.I., Celis, G., Chen, J., Chen, W., Chu, H., Dalmagro, H.J., Dengel, S., Desai, A.R., Detto, M., Dolman, H., Eichelmann, E., Euskirchen, E., Famulari, D., Fuchs, K., Goeckede, M., Gogo, S., Gondwe, M.J., Goodrich, J.P., Gottschalk, P., Graham, S.L., Heimann, M., Helbig, M., Helfter, C., Hemes, K.S., Hirano, T., Hollinger, D., Hörtnagl, L., Iwata, H., Jacotot, A., Jurasinski, G., Kang, M., Kasak, K., King, J., Klatt, J., Koebsch, F., Krauss, K.W., Lai, D.Y.F., Lohila, A., Mammarella, I., Belelli Marchesini, L., Manca, G., Matthes, J.H., Maximov, T., Merbold, L., Mitra, B., Morin, T.H., Nemitz, E., Nilsson, M.B., Niu, S., Oechel, W.C., Oikawa, P.Y., Ono, K., Peichl, M., Peltola, O., Reba, M.L., Richardson, A.D., Riley, W., Runkle, B.R.K., Ryu, Y., Sachs, T., Sakabe, A., Sanchez, C.R., Schuur, E.A., Schäfer, K.V.R., Sonnentag, O., Sparks, J.P., Stuart-Haëntjens, E., Sturtevant, C., Sullivan, R.C., Szutu, D.J., Thom, J.E., Torn, M.S., Tuittila, E.-S., Turner, J., Ueyama, M., Valach, A.C., Vargas, R., Varlagin, A., Vazquez-Lule, A., Verfaillie, J.G., Vesala, T., Vourlitis, G.L., Ward, E.J., Wille, C., Wohlfahrt, G., Wong, G.X., Zhang, Z., Zona, D., Windham-Myers, L., Poulter, B., Jackson, R.B., 2021. FLUXNET-CH4: a global, multi-ecosystem dataset and analysis of methane seasonality from freshwater wetlands. Earth System Science Data 13, 3607–3689. https://doi.org/10.5194/essd-13-3607-2021
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Winterdahl, M., M. Erlandsson, M. N. Futter, G. A. Weyhenmeyer, and K. Bishop (2014), Intra-annual variability of organic carbon concentrations in running waters: Drivers along a climatic gradient, Global Biogeochemical Cycles, 28(4), 2013GB004770, doi: 10.1002/2013GB004770.
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Kuglerová, L., Ågren, A., Jansson, R. Laudon, H. (2014). Towards optimizing riparian buffer zones: Ecological and biogeochemical implications for forest management. Forest Ecology and Management, 334, 74–84.
Sponseller, R.A., J. Temnerud, K. Bishop, and H. Laudon. 2014. Patterns and drivers of riverine nitrogen (N) across alpine, subarctic, and boreal Sweden. Biogeochemistry, 120, 105-120.
Öquist, M. G., Bishop, K., Grelle, A., Klemedtsson, L., Köhler, S.J. Laudon, H., Lindroth, A., Ottosson Löfvenius, M., Wallin, M.B., and Nilsson, M.B. (2014).The full annual carbon balance of boreal forests is highly sensitive to precipitation. Environmental Science & Technology Letters, dx.doi.org/10.1021/ez500169j.
Karlsson, J., Berggren, M., Ask, J., Byström, P., Jonsson, A., Laudon, H. and Jansson, M. (2014). Response to Comment: Terrestrial support of pelagic consumers in unproductive lakes—Uncertainty and potential in assessments using stable isotopes. Limnology and Oceanography, 59(5), 2014, 1800–1803.
Köhler, Stephan J.; Lidman, Fredrik and Laudon, H. (2014). Landscape types and pH control organic matter mediated mobilization of Al, Fe, U and La in boreal catchments. Geochimica et Cosmochimica Acta, 135, 190-202.
Codling G., Halsall C., Ahrens L., Del Vento S., Wiberg K., Bergknut M., Laudon H., Ebinghaus R. (2014). The fate of per- and polyfluoroalkyl substances within a melting snowpack of a boreal forest, Environmental Pollution, 191, 190-198.
Camino-Serrano, M., Gielen, B., Luyssaert, S., Ciais, P., Vicca, S., Guenet, B., De Vos, B., Cools, N., Ahrens, B., Arain, A., Borken, W., Clarke, N., Clarkson, B., Cummins, T., Don, A., Pannatier, E.G., Laudon, H., Moore, T., Nieminen, T., Nilsson, M.B., Peichl, M., Schwendenmann, L., Siemens, J., and Janssens I., (2014). Linking variability in soil solution dissolved organic carbon to climate, soil type and vegetation type. Global Biogeochemical Cycles. DOI: 10.1002/2013GB004726.
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Ågren, A., Buffam, I., Cooper, D.M., Tiwari, T., Evans, C.D., and Laudon, H., (2014). Can the heterogeneity in stream dissolved organic carbon be explained by contributing landscape elements? Biogeosciences, 11, 1199-1213.
Lidman, F., Köhler, S., Mörth, C.M., Laudon, H., (2014). Metal transport in the boreal landscape - the role of wetlands and the affinity for organic matter. Environmental Science & Technology. 48, 3783-3790.
Eklöf, K., Schelker, J., Sørensen, R., Meili, M., Laudon, H., von Brömssen, C., Bishop, K., (2014). Impact of forestry on total and methyl-mercury in surface waters: distinguishing effects of logging and site preparation. Environmental Science & Technology, 48, 4690-4698.
Tiwari, T., Laudon, H., Beven K. and Ågren. A. (2014).Downstream changes in DOC: Inferring contributions in the face of model uncertainties. Water Resources Research, DOI: 10.1002/2013WR014275.
Kuglerová, L., Jansson, R., Ågren, A., Laudon, H., and Malm-Renöfält, B. (2014) Groundwater discharge creates hotspots of riparian plant species richness in a boreal forest stream network, Ecology, 95, 715-725.
Newton, S., Bidleman, T., Bergknut, M., Racine, J., Laudon, H., Giesler, R., Wiberg, K., (2014). Atmospheric deposition of persistent organic pollutants and chemicals of emerging concern at two sites in northern Sweden. Environmental Science-Processes & Impacts, 16, 298-305.
Sundman, A., Karlsson, T., Laudon, H., and Persson, P. (2014). XAS study of iron speciation in waters and soils from a boreal catchment. Chemical Geology, 364, 93-102.
Schelker, J., Öhman, K., Löfgren, S. and Laudon, H (2014).Scaling of increased dissolved organic carbon inputs by forest clear-cutting - What arrives downstream? Journal of Hydrology, 508, 299–306.
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Frainer, A. (2013). Ecosystem functioning in streams: Disentangling the roles of biodiversity, stoichiometry and anthropogenic drivers. ISBN 978-91-7459-758-5. Doctoral Thesis Umeå University.
Lidman, F. (2013). Radionuclide transport in the boreal landscape – U, Th and other metals in forests, wetlands and streams. ISBN 978-91-7459-714-1. Doctoral Thesis Umeå University.
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Göthe, E., Angeler, D.G. and Sandin, L. (2013) Metacommunity structure in a small boreal stream network Journal of Animal Ecology, DOI: 10.1111/1365-2656.12004
Jabiol, J., Bruder, A., Gessner, M.O., Makkonen, M., Mckie, B.G. , Peeters, E.T.H.M., Vos, V.C.A. and Chauvet, E., (2013). Diversity patterns of leaf-associated aquatic hyphomycetes along a broad latitudinal gradient. Fungal Ecology, 6, 439-448. DOI: 10.1016/j.funeco.2013.04.002.
Frainer, A., McKie, B.G. and Malmqvist, B. (2013). When does diversity matter? Species functional diversity and ecosystem functioning across habitats and seasons in a field experiment. Journal of Animal Ecology, doi: 10.1111/1365-2656.12142
Dinsmore, K.J., Wallin, M.B., Johnson, M.S., Billett, M.F., Bishop, K., Pumpanen, J. and Ojala, A. (2013) Contrasting CO2 concentration discharge dynamics in headwater streams: A multi-catchment comparison. Journal of Geophysical Research-Biogeosciences 118(2), 445-461.
Laudon, H., Taberman, Ågren, A., Futter, M., Ottosson-Löfvenius, M., and Bishop, K., (2013). The Krycklan Catchment Study - A flagship infrastructure for hydrology, biogeochemistry and climate research in the boreal landscape. Water Resources Research.
Schelker, J., Öhman, K., Löfgren, S. and Laudon, H (2014).Scaling of increased dissolved organic carbon inputs by forest clear-cutting - What arrives downstream? Journal of Hydrology, 508, 299–306
Carey, S.K., Tetzlaff, D., Buttle, J., Laudon, H., McDonnel, J.J., McGuire, K., Seibert, J., Soulsby, C., and Shanley, J. (2013). Use of color maps and wavelet coherence to discern seasonal and inter annual climate influences on streamflow variability in northern catchments. Water Resources Research, In press.
Schelker J., Grabs T., Bishop K. & Laudon H. Drivers of increased organic carbon concentrations in stream water following forest disturbance: Separating effects of changes in flow-pathways and soil warming. Journal of Geophysical Research G: Biogeosciences
Kuglerová, L., Jansson, R., Ågren, A., Laudon, H., and Malm-Renöfält, B. (2013) Groundwater discharge creates hotspots of riparian plant species richness in a boreal forest stream network, Ecology, In Press.
Sundman, Anneli, Karlsson, Torbjörn, Laudon, Hjalmar, Persson, Per, XAS study of iron speciation in soils and waters from a boreal catchment, Chemical Geology (2013), doi: 10.1016/j.chemgeo.2013.11.023
Neubauer, E., Kohler, S.J., von der Kammer, F., Laudon, H., and Hofmann, T. (2013) Effect of pH and stream order on Iron and Arsenic speciation in boreal catchments. Environmental Science and Technology, 47, 7120-7128, DOI: 10.1021/es401193j.
Ali, G., Tetzlaff, D., Kruitbos, L., Soulsby, C., Carey, S., McDonnell, J., Buttle, J., Laudon, H., Seibert, J., McGuire, K., and Shanley, J., (2013). Analysis of hydrological seasonality across northern catchments using monthly precipitation–runoff polygon metrics, Hydrological Sciences Journal, DOI: 10.1080/02626667.2013.822639.
Ledesma, J. L. J., Grabs, T., Futter, M. N., Bishop, K. H., Laudon, H. and Köhler, S. J. 2013. Riparian zone controls on base cation concentrations in boreal streams. Biogeosciences, 10, 3849-3868, DOI: 10.5194/bg-10-3849-2013.
Oni, S. K., Futter, M. N., Bishop, K., Köhler, S. J., Ottosson-Löfvenius, M., and Laudon, H. (2013). Long-term patterns in dissolved organic carbon, major elements and trace metals in boreal headwater catchments: trends, mechanisms and heterogeneity, Biogeosciences, 10, 2315-2330, doi:10.5194/bg-10-2315-2013.
Lidman, F., Ramebäck, H., Bengtsson, Å. and Laudon, H. (2013). Distribution and transport of radionuclides in a boreal mire – assessing past, present and future accumulation of uranium, thorium and radium, Journal of Environmental Radioactivity, doi:10.1016/j.jenvrad.2012.06.010.
Haei, M., Öquist, M. G., Kreyling, J., Ilstedt, U. and Laudon, H. (2013). Winter climate controls soil carbon dynamics during summer in boreal forests. Environmental Research Letters 8, 024017. doi:10.1088/1748-9326/8/2/0240.
Schelker, J., Kuglerová, L., Eklöf, K., Bishop, K. and Laudon H. (2013). Hydrological effects of clear-cutting in a boreal forest – snowpack dynamics, snowmelt and streamflow responses, Journal of Hydrology, 484, 105-114.
Lucas, R.W., Sponseller, R.A., and Laudon, H. (2013). Controls over base cation concentrations in stream and river waters: A long-term analysis on the Role of deposition and climate, Ecosystems, 16, 707-721, DOI: 10.1007/s10021-013-9641-8.
Kreyling, J., Haei, M., and Laudon, H. (2013). Snow removal reduces annual cellulose decomposition in a riparian boreal forest, Canadian Journal of Soil Science, 93, 427-433.
Laudon, H., Tetzlaff, D., Soulsby, C., Carey, S., Seibert, J., Buttle, J., Shanley, J., McDonnell, J.J., and McGuire, K. (2013). Change in winter climate will affect dissolved organic carbon and water fluxes in mid- to high latitude catchment, Hydrological Processes, 700-709 DOI: 10.1002/hyp.9686.
Tetzlaff, D., Soulsby, C., Buttle, J., Capell, R., Carey, S.K., Kruitbos, L., Laudon, H., McDonnell, J., McGuire, K., Seibert, S., Shanley, J. (2013). Catchments on the Cusp? Structural and functional change in northern ecohydrological systems. Hydrological Processes, 766-774, DOI: 10.1002/hyp.9700.
Peichl, M., Sagerfors, J., Lindroth, A., Buffam, I., Grelle, A., Klemedtsson, L., Laudon, H. and Nilsson, M.B. (2013). Energy exchange and water budget partitioning in a boreal minerogenic mire. Journal of Geophysical Research-Biogeoscience, 118, 1-13 DOI: 10.1029/2012JG002073.
Wallin, M.B., Grabs, T., Buffam, I., Laudon, H., Ågren, A., Öquist, M.G., and Bishop, K., (2013). Evasion of CO2 from streams – The dominant component of the carbon export through the aquatic conduit in a boreal landscape. Global Change Biology, 785-797, DOI: 10.1111/gcb.12083.
Laudon H. (Editor) (2013). Mark och vatten i framtidens skog. ISBN 978-91-576-9161-3. Future Forest rapport serie, 30 pg.
Krycklan is a watershed located in the boreal region of northern Sweden in the county of Västerbotten. Krycklan is a tributary to the national River Vindelälven which starts in the mountain range, crosses Sweden and enters the Baltic Sea near Umeå.
Krycklan is a 6780 ha watershed catchment running through a mosaic of wetland and lakes that are interspersed throughout the forest landscape. The catchment area is partly located within the Svartberget experimental forests (in Swedish) which was established in 1920th by the Swedish forestry service and is today a unit of the Swedish University of Agricultural Science.
Hydrology and biogeochemical cycling was initiated by Kaj Rosen and Harald Grip in the 1980´s and the monitoring of the 50 ha Nyänget catchment started.
During the 1990´s Nyänget contributed to the role of acid deposition on streams and Kevin Bishop and colleagues, opened for new views about anthropogenic acidification and natural acidity in boreal watersheds. This work has developed the present environmental guidelines for acidification in Sweden.
With time the scope of research has expanded to also include mercury, weathering, aluminum, carbon cycling and water uptake by trees. More intensive work also began on the connection between soils and surface waters which led to a more process-based understanding of the regulation of stream water chemistry.
Another still growing research topic is the influence of climate on biogeochemistry and aquatic ecology which led to the expansion of 50 ha Nyänget catchment to the 6780 ha Krycklan catchment Study. The expansion was launched during the winter 2002/2003 and several stream further down from the Nyänget catchment were added into the sampling program which then covered the size of regional landscape scale.
Another stream, located at the Degerö Stormyr (Kulbäcksliden) complex was also included in the program. Additional, new instruments and logger equipment were installed at the different streams. The expansion has opened for the opportunity to broadening both the fundamental research questions and the water management issues, questions both asked by governments and researches to be answered.
Being able to work with Krycklan at a landscape scale allows us to apply environmental problems and models used for water managements and aquatic ecosystems protections. Addressing such questions would not be possible with information from plots, hill slopes and small catchments. These examples of smaller scales are however very important for the fundamental research, issues also addressed within Krycklans smaller catchments, like Nyänget where 30 years of continually measured stream water data soon exists.
To date, several professors, researchers, assistant professors, almost 20 Ph.D, technicians, master students and field and lab assistants daily perform work connected to Krycklan.
The science taken place in Krycklan value the multidisciplinary approach which includes scale-dependent aspects but also bridge inferential gaps between varying catchment sizes, temporal dynamics, different landscape elements and the changes introduced by human perturbation.
Major science topics within the Krycklan Catchment Study
Krycklan makes it possible to understand key processes then used for building and developing models working at different scales
KSC achieves state-of-the-art research because of the ability to use this unique research platform that span trough traditional disciplinary boundaries and linkages of empirical and experimental results. This makes it possible to understand processes then used for building and developing models working at different scales. We are also able to evaluate the results to overcome gaps between over-parameterized mechanistic models and over-simplified correlative approaches.
KSC is a key for collaborations, the advantage is to apply Krycklan as a unique experimental platform for testing scientific and practical research questions in a natural environment.
Already initiated collaboration will launch modeling tools that will help predict the effects of human perturbations, such as those caused by forestry, climate change and long-range transport of air pollutants, along with forest biodiversity, forest economy optimization and water quality in forestry practice.
Svartberget and hence Krycklan is part of the Swedish Research infrastructure for Ecosystem Science 'SITES'
277 Balsjö
NorthWatch
PERSPEC
Future Forests Magazine is a new publication aimed at international researchers. The magazine provides a glimpse into the largest-ever research project on the theme of forest and sustainability in Sweden. Future Forest magazine 2013
Read more about the press release (in Swedish)
In the local news paper Västerbottens Kuriren (in Swedish)
At the local radio station in their morning program (in Swedish)