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Umeå University
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Staff photo Ryan Sponseller

Ryan Sponseller

Contact

E-mail
ryan.sponseller@umu.se
Phone
+46 90 786 65 50

Works at

Affiliation
Associate professor at Department of Ecology and Environmental Science Role: Director of studies
Location
KB. H4, Linnaeus väg 6, Umeå, A4.24.15 Umeå universitet, 901 87 Umeå
Landscape constraints on mire lateral expansion
Quaternary Science Reviews, Elsevier 2023, Vol. 302
Ehnvall, Betty; Ratcliffe, Joshua L.; Bohlin, Elisabet; et al.
Groundwater-stream connections shape the spatial pattern and rates of aquatic metabolism
Limnology and Oceanography Letters
Lupon, Anna; Gómez-Gener, Lluís; Fork, Megan L.; et al.
Seasonal variation in the coupling of microbial activity and leaf litter decomposition in a boreal stream network
Freshwater Biology, John Wiley & Sons 2022, Vol. 67, (5) : 812-827
Bastias, Elliot; Sponseller, Ryan A.; Bundschuh, Mirco; et al.
Global patterns and controls of nutrient immobilization on decomposing cellulose in riverine ecosystems
Global Biogeochemical Cycles, John Wiley & Sons 2022, Vol. 36, (3)
Costello, David M.; Tiegs, Scott D.; Boyero, Luz; et al.
Emerging technology can guide ecosystem restoration for future water security
Hydrological Processes, John Wiley & Sons 2022, Vol. 36, (10)
Laudon, Hjalmar; Lidberg, William; Sponseller, Ryan A.; et al.
Co-occurrence of browning and oligotrophication in a boreal stream network
Limnology and Oceanography, John Wiley & Sons 2022, Vol. 67, (10) : 2325-2339
Mosquera, Virginia; Maher Hasselquist, Eliza; Sponseller, Ryan A.; et al.
Resolving the Drivers of Algal Nutrient Limitation from Boreal to Arctic Lakes and Streams
Ecosystems (New York. Print), Springer-Verlag New York 2022, Vol. 25 : 1682-1699
Myrstener, Maria; Fork, Megan L.; Bergström, Ann-Kristin; et al.
Landscape determinants of pelagic and benthic primary production in northern lakes
Global Change Biology, John Wiley & Sons 2022, Vol. 28, (23) : 7063-7077
Puts, Isolde C.; Ask, Jenny; Siewert, Matthias B.; et al.
Long-term changes in dissolved inorganic carbon across boreal streams caused by altered hydrology
Limnology and Oceanography
Rehn, Lukas; Sponseller, Ryan A.; Laudon, Hjalmar; et al.
Seasonal patterns in nutrient bioavailability in boreal headwater streams
Limnology and Oceanography, John Wiley & Sons 2022, Vol. 67, (5) : 1169-1183
Rulli, Mayra P. D.; Bergström, Ann-Kristin; Sponseller, Ryan A.; et al.
The emerging role of drought as a regulator of dissolved organic carbon in boreal landscapes
Nature Communications, Nature Publishing Group 2022, Vol. 13, (1)
Tiwari, Tejshree; Sponseller, Ryan A.; Laudon, Hjalmar
Responses of multiple structural and functional indicators along three contrasting disturbance gradients
Ecological Indicators, Elsevier 2022, Vol. 135
Truchy, Amélie; Sponseller, Ryan A.; Ecke, Frauke; et al.
Interactive effects of light and nutrients on stream algal growth modified by forest management in boreal landscapes
Forest Ecology and Management, Elsevier 2021, Vol. 492
Burrows, Ryan M.; Jonsson, Micael; Fältström, Emma; et al.
Integrating Discharge-Concentration Dynamics Across Carbon Forms in a Boreal Landscape
Water resources research, John Wiley & Sons 2021, Vol. 57, (8)
Gómez-Gener, Lluís; Hotchkiss, Erin R.; Laudon, Hjalmar; et al.
Global carbon dioxide efflux from rivers enhanced by high nocturnal emissions
Nature Geoscience, Nature Publishing Group 2021, Vol. 14, (5) : 289-294
Gómez-Gener, Lluís; Rocher-Ros, Gerard; Battin, Tom; et al.
Moving towards multi-layered, mixed-species forests in riparian buffers will enhance their long-term function in boreal landscapes
Forest Ecology and Management, Elsevier 2021, Vol. 493
Hasselquist, Eliza Maher; Kuglerová, Lenka; Sjögren, Jörgen; et al.
Multiple stressors in small streams in the forestry context of Fennoscandia: The effects in time and space
Science of the Total Environment, Elsevier 2021, Vol. 756
Kuglerova, Lenka; Hasselquist, Eliza Maher; Sponseller, Ryan Allen; et al.
Northern landscapes in transition: Evidence, approach and ways forward using the Krycklan Catchment Study
Hydrological Processes, John Wiley & Sons 2021, Vol. 35, (4)
Laudon, Hjalmar; Hasselquist, Eliza Maher; Peichl, Matthias; et al.
From legacy effects of acid deposition in boreal streams to future environmental threats
Environmental Research Letters, Institute of Physics (IOP) 2021, Vol. 16, (1)
Laudon, Hjalmar; Sponseller, Ryan A.; Bishop, Kevin
Nutrients influence seasonal metabolic patterns and total productivity of Arctic streams
Limnology and Oceanography, John Wiley & Sons 2021, Vol. 66, (S1) : S182-S196
Myrstener, Maria; Gómez-Gener, Lluís; Rocher-Ros, Gerard; et al.
Nitrogen supply and physical disturbance shapes Arctic stream nitrogen uptake through effects on metabolic activity
Freshwater Biology, John Wiley & Sons 2021, Vol. 66, (8) : 1502-1514
Myrstener, Maria; Thomas, Steven A.; Giesler, Reiner; et al.
Metabolism overrides photo-oxidation in CO2 dynamics of Arctic permafrost streams
Limnology and Oceanography, John Wiley & Sons 2021, Vol. 66, (S1) : S169-S181
Rocher-Ros, Gerard; Harms, Tamara K.; Sponseller, Ryan A.; et al.
Stochastic processes and ecological connectivity drive stream invertebrate community responses to short-term drought
Journal of Animal Ecology, John Wiley & Sons 2021, Vol. 90, (4) : 886-898
Sarremejane, Romainyuuii; Truchy, Amelie; McKie, Brendan G.; et al.
Integrating carbon emission, accumulation and transport in inland waters to understand their role in the global carbon cycle
Global Change Biology, John Wiley & Sons 2021, Vol. 27, (4) : 719-727
Vachon, Dominic; Sponseller, Ryan A.; Karlsson, Jan
Water and nitrogen shape winter annual plant diversity and community composition in near-urban Sonoran Desert preserves
Ecological Monographs, Ecological Society of America (esa) 2021, Vol. 91, (3)
Wheeler, Megan M.; Collins, Scott L.; Grimm, Nancy B.; et al.
Heterogeneous CO2 and CH4 patterns across space and time in a small boreal lake
INLAND WATERS, Taylor & Francis 2020, Vol. 10, (3) : 348-359
Denfeld, Blaize A.; Lupon, Anna; Sponseller, Ryan A.; et al.
Particles and Aeration at Mire-Stream Interfaces Cause Selective Removal and Modification of Dissolved Organic Matter
Journal of Geophysical Research - Biogeosciences, American Geophysical Union (AGU) 2020, Vol. 125, (12)
Einarsdottir, Karolina; Attermeyer, Katrin; Hawkes, Jeffrey A.; et al.
Dissolved organic matter regulates nutrient limitation and growth of benthic algae in northern lakes through interacting effects on nutrient and light availability
Limnology and Oceanography Letters, John Wiley & Sons 2020, Vol. 5, (6) : 417-424
Fork, Megan L.; Karlsson, Jan; Sponseller, Ryan A.
Changing Source-Transport Dynamics Drive Differential Browning Trends in a Boreal Stream Network
Water resources research, American Geophysical Union (AGU) 2020, Vol. 56, (2)
Fork, Megan L.; Sponseller, Ryan A.; Laudon, Hjalmar
Drought alters the biogeochemistry of boreal stream networks
Nature Communications, Nature Publishing Group 2020, Vol. 11, (1)
Gómez-Gener, Lluís; Lupon, Anna; Laudon, Hjalmar; et al.
Discrete groundwater inflows influence patterns of nitrogen uptake in a boreal headwater stream
Freshwater Science, University of Chicago Press 2020, Vol. 39, (2) : 228-240
Lupon, Anna; Denfeld, Blaize A.; Laudon, Hjalmar; et al.
Stream metabolism controls diel patterns and evasion of CO2 in Arctic streams
Global Change Biology, John Wiley & Sons 2020, Vol. 26, (3) : 1400-1413
Rocher-Ros, Gerard; Sponseller, Ryan A.; Bergström, Ann-Kristin; et al.
Habitat patchiness, ecological connectivity and the uneven recovery of boreal stream ecosystems from an experimental drought
Global Change Biology, John Wiley & Sons 2020, Vol. 26, (6) : 3455-3472
Truchy, Amelie; Sarremejane, Romain; Muotka, Timo; et al.
Groundwater inflows control patterns and sources of greenhouse gas emissions from streams
Limnology and Oceanography, Vol. 64, (4) : 1545-1557
Lupon, Anna; Denfeld, Blaize A.; Laudon, Hjalmar; et al.
Landscape process domains drive patterns of CO2 evasion from river networks
Limnology and Oceanography Letters, John Wiley & Sons 2019, Vol. 4, (4) : 87-95
Rocher-Ros, Gerard; Sponseller, Ryan A.; Lidberg, William; et al.
Global patterns and drivers of ecosystem functioning in rivers and riparian zones
Science Advances, Washington: American Association of Advancement in Science 2019, Vol. 5, (1)
Tiegs, Scott D.; Costello, David M.; Isken, Mark W.; et al.
Contrasting responses in dissolved organic carbon to extreme climate events from adjacent boreal landscapes in Northern Sweden
Environmental Research Letters, IOP PUBLISHING LTD 2019, Vol. 14, (8)
Tiwari, Tejshree; Sponseller, Ryan A.; Laudon, Hjalmar
Partitioning spatial, environmental, and community drivers of ecosystem functioning
Landscape Ecology, Springer 2019, Vol. 34, (10) : 2371-2384
Truchy, Amelie; Göthe, Emma; Angeler, David G.; et al.
Mixed method approach to assess atmospheric nitrogen deposition in arid and semi-arid ecosystems
Environmental Pollution, Elsevier 2018, Vol. 239 : 617-630
Cook, Elizabeth M.; Sponseller, Ryan A.; Grimm, Nancy B.; et al.
Carbon Dioxide and Methane Dynamics in a Small Boreal Lake During Winter and Spring Melt Events
Journal of Geophysical Research - Biogeosciences, Vol. 123, (8) : 2527-2540
Denfeld, Blaize A.; Klaus, Marcus; Laudon, Hjalmar; et al.
Identifying and assessing the potential hydrological function of past artificial forest drainage
Ambio, Vol. 47, (5) : 546-556
Hasselquist, Eliza Maher; Lidberg, William; Sponseller, Ryan A.; et al.
Catchment properties predict autochthony in stream filter feeders
Hydrobiologia, Springer 2018, Vol. 815, (1) : 83-95
Jonsson, Micael; Polvi, Lina E.; Sponseller, Ryan A.; et al.
Industrial and natural compounds in filter-feeding black fly larvae and water in 3 tundra streams
Environmental Toxicology and Chemistry, John Wiley & Sons 2018, Vol. 37, (12) : 3011-3017
Kupryianchyk, Darya; Giesler, Reiner; Bidleman, Terry F.; et al.
How landscape organization and scale shape catchment hydrology and biogeochemistry: insights from a long-term catchment study
WIREs Water, John Wiley & Sons 2018, Vol. 5, (2)
Laudon, Hjalmar; Sponseller, Ryan A.
Towards an Improved Conceptualization of Riparian Zones in Boreal Forest Headwaters
Ecosystems (New York. Print), Springer 2018, Vol. 21, (2) : 297-315
Ledesma, José L. J.; Futter, Martyn N.; Blackburn, M.; et al.
Patchy field sampling biases understanding of climate change impacts across the Arctic
Nature Ecology & Evolution, Nature Publishing Group 2018, Vol. 2, (9) : 1443-1448
Metcalfe, Daniel B.; Hermans, Thirze D. G.; Ahlstrand, Jenny; et al.
Persistent nitrogen limitation of stream biofilm communitiesalong climate gradients in the Arctic
Global Change Biology, John Wiley & Sons 2018, Vol. 24, (8) : 3680-3691
Myrstener, Maria; Rocher-Ros, Gerard; Burrows, Ryan M.; et al.
Persistent nitrogen limitation of stream biofilm communities along climate gradients in the Arctic
Global Change Biology, John Wiley & Sons 2018, Vol. 24, (8) : 3680-3691
Myrstener, Maria; Rocher-Ros, Gerard; Burrows, Ryan M.; et al.
Headwater Mires Constitute a Major Source of Nitrogen (N) to Surface Waters in the Boreal Landscape
Ecosystems (New York. Print), Springer 2018, Vol. 21, (1) : 31-44
Sponseller, Ryan A.; Blackburn, M.; Nilsson, M. B.; et al.
Extreme climate effects on dissolved organic carbon concentrations during snowmelt
Journal of Geophysical Research - Biogeosciences, American Geophysical Union (AGU) 2018, Vol. 123, (4) : 1277-1288
Tiwari, Tejshree; Sponseller, Ryan A.; Laudon, Hjalmar
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