Information till studenter och medarbetare med anledning av covid-19 (Uppdaterad: 26 januari 2021)

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Umeå universitet
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Personalbild Ryan Sponseller

Ryan Sponseller

Kontakt

E-post
ryan.sponseller@umu.se
Telefon
090-786 65 50

Verksam vid

Anknytning
Universitetslektor vid Institutionen för ekologi, miljö och geovetenskap Roll: Studierektor
Plats
KB. H4, Linnaeus väg 6, Umeå, A4.24.15 Umeå universitet, 901 87 Umeå
2021
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.
2020
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.
2020
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.
2020
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
2020
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.
2020
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.
2020
Nutrients influence seasonal metabolic patterns and total productivity of Arctic streams
Limnology and Oceanography
Myrstener, Maria; Gómez-Gener, Lluís; Rocher-Ros, Gerard; et al.
2020
Metabolism overrides photo-oxidation in CO2 dynamics of Arctic permafrost streams
Limnology and Oceanography
Rocher-Ros, Gerard; Harms, Tamara K.; Sponseller, Ryan A.; et al.
2020
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.
2020
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.
2020
Integrating carbon emission, accumulation and transport in inland waters to understand their role in the global carbon cycle
Global Change Biology
Vachon, Dominic; Sponseller, Ryan A.; Karlsson, Jan
2019
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.
2019
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.
2019
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.
2019
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
2019
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.
2018
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.
2018
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.
2018
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.
2018
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.
2018
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.
2018
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.
2018
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.
2018
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.
2018
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.
2018
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.
2018
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
2017
Evaluating hillslope and riparian contributions to dissolved nitrogen (N) export from a boreal forest catchment
Journal of Geophysical Research - Biogeosciences, AMER GEOPHYSICAL UNION 2017, Vol. 122, (2) : 324-339
Blackburn, M.; Ledesma, Jose L. J.; Näsholm, Torgny; et al.
2017
Seasonal resource limitation of heterotrophic biofilms in boreal streams
Limnology and Oceanography, WILEY-BLACKWELL 2017, Vol. 62, (1) : 164-176
Burrows, Ryan M.; Laudon, Hjalmar; McKie, Brendan G.; et al.
2017
Land use influences macroinvertebrate community composition in boreal headwaters through altered stream conditions
Ambio, SPRINGER 2017, Vol. 46, (3) : 311-323
Jonsson, Micael; Burrows, Ryan M.; Lidman, Johan; et al.
2017
Management perspectives on Aqua incognita: Connectivity and cumulative effects of small natural and artificial streams in boreal forests
Hydrological Processes, WILEY 2017, Vol. 31, (23) : 4238-4244
Kuglerova, Lenka; Hasselquist, Eliza Maher; Richardson, John S.; et al.
2017
Composition of riparian litter input regulates organic matter decomposition: Implications for headwater stream functioning in a managed forest landscape
Ecology and Evolution, WILEY 2017, Vol. 7, (4) : 1068-1077
Lidman, Johan; Jonsson, Micael; Burrows, Ryan M.; et al.
2017
New insights on resource stoichiometry: assessing availability of carbon, nitrogen, and phosphorus to bacterioplankton
Biogeosciences, Vol. 14, (6) : 1527-1539
Soares, Ana R. A.; Bergström, Ann-Kristin; Sponseller, Ryan A.; et al.
2017
Future Riverine Inorganic Nitrogen Load to the Baltic Sea From Sweden: An Ensemble Approach to Assessing Climate Change Effects
Global Biogeochemical Cycles, American Geophysical Union (AGU) 2017, Vol. 31, (11) : 1674-1701
Teutschbein, C.; Sponseller, Ryan A.; Grabs, T.; et al.
2017
Inferring scale-dependent processes influencing stream water biogeochemistry from headwater to sea
Limnology and Oceanography, John Wiley & Sons 2017, Vol. 62 : S58-S70
Tiwari, Tejshree; Buffam, Ishi; Sponseller, Ryan A.; et al.
2016
Conceptualizing and communicating management effects on forest water quality
Ambio, Vol. 45 : S188-S202
Futter, Martyn N.; Högbom, Lars; Valinia, Salar; et al.
2016
The role of biogeochemical hotspots, landscape heterogeneity, and hydrological connectivity for minimizing forestry effects on water quality
Ambio, Vol. 45 : S152-S162
Laudon, Hjalmar; Kuglerova, Lenka; Sponseller, Ryan A.; et al.
2016
Long-term declines in stream and river inorganic nitrogen (N) export correspond to forest change
Ecological Applications, Vol. 26, (2) : 545-556
Lucas, Richard W.; Sponseller, Ryan A.; Gundale, Michael J.; et al.
2016
Hydroclimatic influences on non-stationary transit time distributions in a boreal headwater catchment
Journal of Hydrology, Vol. 543, (A) : 7-16
Peralta-Tapia, A.; Soulsby, C.; Tetzlaff, D.; et al.
2016
Nitrogen export from a boreal stream network following forest harvesting: seasonal nitrate removal and conservative export of organic forms
Biogeosciences, Vol. 13, (1) : 1-12
Schelker, J.; Sponseller, Ryan; Ring, E.; et al.
2016
Nitrogen dynamics in managed boreal forests: Recent advances and future research directions
Ambio, Vol. 45 : S175-S187
Sponseller, Ryan A.; Gundale, Michael J.; Futter, Martyn; et al.
2015
Toward an ecologically meaningful view of resource stoichiometry in DOM-dominated aquatic systems
Journal of Plankton Research, Vol. 37, (3) : 489-499
Berggren, Martin; Sponseller, Ryan A.; Soares, Ana R. Alves; et al.
2015
Nitrogen limitation of heterotrophic biofilms in boreal streams
Freshwater Biology, Vol. 60, (7) : 1237-1251
Burrows, Ryan M.; Hotchkiss, Erin R.; Jonsson, Micael; et al.
2015
Sources of and processes controlling CO2 emissions change with the size of streams and rivers
Nature Geoscience, Vol. 8, (9) : 696-699
Hotchkiss, E. R.; Hall, R. O., Jr.; Sponseller, R. A.; et al.
2015
Local and regional processes determine plant species richness in a river-network metacommunity
Ecology, Vol. 96, (2) : 381-391
Kuglerová, Lenka; Jansson, Roland; Sponseller, Ryan; et al.
2015
Connecting precipitation inputs and soil flow pathways to stream water in contrasting boreal catchments
Hydrological Processes, Wiley-Blackwell 2015, Vol. 29, (16) : 3546-3555
Peralta-Tapia, A; Sponseller, Ryan A; Tetzlaff, D; et al.
2015
Scale-dependent groundwater contributions influence patterns of winter baseflow stream chemistry in boreal catchments
Journal of Geophysical Research - Biogeosciences, Vol. 120, (5) : 847-858
Peralta-Tapia, Andres; Sponseller, Ryan A.; Agren, Anneli; et al.
2015
Linking Biodiversity, Ecosystem Functioning and Services, and Ecological Resilience: Towards an Integrative Framework for Improved Management
Ecosystem Services: From Biodiversity to Society, Part 1, Elsevier 2015 : 55-96
Truchy, Amelie; Angeler, David G.; Sponseller, Ryan A.; et al.
2014
Applying resilience thinking to production ecosystems
Ecosphere, Vol. 5, (6) : 73-
Rist, L.; Felton, A.; Nyström, M.; et al.
2014
Patterns and drivers of riverine nitrogen (N) across alpine, subarctic, and boreal Sweden
Biogeochemistry, Springer 2014, Vol. 120, (1-3) : 105-120
Sponseller, Ryan A.; Temnerud, Johan; Bishop, Kevin; et al.
Visa publikationer i DiVA

Forskargrupper

Gruppmedlem
Biogeokemi
Limnisk ekologi

Forskningsprojekt

1 januari 2020 till 31 december 2022
Stora eller små fiskar för fiske? Effekter av ontogenetiska habitatsskiften och flaskhalsar i rekrytering
1 januari 2019 till 31 december 2022
Påverkan av skogsbruk på utsläpp av växthusgaser från vattendrag
1 januari 2017 till 31 december 2022
Klimatinducerade regimskiften i nordliga sjöekosystem
1 april 2015 till 1 december 2020
Ekosystemdynamik i arktiska bäckar
1 januari 2013 till 31 december 2016
Future Forests