Search Results

Long-term increases in snow pack elevate leaf N and photosynthesis in Salix arctica: responses to a snow fence experiment in the High Arctic of NW Greenland

by A Joshua Leffler, Jeffery M Welker
Published in Environmental Research Letters (2013)

Leaf nitrogen and digestibility for tall shrubs, dwarf shrubs, and sedges within ambient, deep, and shallow snow zones of the moist acidic tundra snow fence at Toolik Lake, Alaska,...

by A. Joshua Leffler, Jessica Richert, Jeffrey Welker
Published 2021

Carbon and Nitrogen Percent Compositions of Vegetation in Arctic Alaska, 2017-2019

by Monica Ague, Katharine Kelsey, A. Joshua Leffler, Jeffrey Welker
Published 2021

Carbon and Nitrogen Percent Compositions of Vegetation in Arctic Alaska, 2017-2019

by Monica Ague, Katharine Kelsey, A. Joshua Leffler, Jeffrey Welker
Published 2021

Polar semidesert responses to long-term experimental warming and wetting, Thule, Northwest Greenland, 2018.

by Robert Jespersen, Jeffrey Welker, Maria Vaisanen, A. Joshua Leffler
Published 2022

Polar semidesert responses to long-term experimental warming and wetting, Thule, Northwest Greenland, 2018.

by Robert Jespersen, Jeffrey Welker, Maria Vaisanen, A. Joshua Leffler
Published 2022

Polar semidesert responses to long-term experimental warming and wetting, Thule, Northwest Greenland, 2018.

by Robert Jespersen, Jeffrey Welker, Maria Vaisanen, A. Joshua Leffler
Published 2022

Leaf nitrogen and digestibility for Salix pulchra, Betula nana, and Eriophorum vaginatum in short-term (<2 summers) and long-term (~25 summers) warming by open-top chamber in the m...

by A. Joshua Leffler, Heidi Becker, Katharine Kelsey, Jeffrey Welker
Published 2021

Leaf nitrogen and digestibility for Salix pulchra, Betula nana, and Eriophorum vaginatum in short-term (<2 summers) and long-term (~25 summers) warming by open-top chamber in the m...

by A. Joshua Leffler, Heidi Becker, Katharine Kelsey, Jeffrey Welker
Published 2021

Short‐term effects of summer warming on caribou forage quality are mitigated by long‐term warming

by A. Joshua Leffler, Heidi A. Becker, Katharine C. Kelsey, Donald A. Spalinger, Jeffrey M. Welker
Published in Ecosphere (2022)

Snow and vegetation seasonality influence seasonal trends of leaf nitrogen and biomass in Arctic tundra

by Katharine C. Kelsey, Stine Højlund Pedersen, A. Joshua Leffler, Joseph O. Sexton, Jeffrey M. Welker
Published in Ecosphere (2023)

Phenological mismatch in coastal western Alaska may increase summer season greenhouse gas uptake

by Katharine C Kelsey, A Joshua Leffler, Karen H Beard, Ryan T Choi, Joel A Schmutz, Jeffery M Welker
Published in Environmental Research Letters (2018)

Cloud cover and delayed herbivory relative to timing of spring onset interact to dampen climate change impacts on net ecosystem exchange in a coastal Alaskan wetland

by A Joshua Leffler, Karen H Beard, Katharine C Kelsey, Ryan T Choi, Joel A Schmutz, Jeffrey M Welker
Published in Environmental Research Letters (2019)

Migratory goose arrival time plays a larger role in influencing forage quality than advancing springs in an Arctic coastal wetland.

by Karen H Beard, Ryan T Choi, A Joshua Leffler, Lindsay G Carlson, Katharine C Kelsey, Joel A Schmutz, Jeffrey M Welker
Published in PLOS ONE (2019)

Analyzing Arctic Ecology Using Networked Infomechanical Systems ...

by Healey, Nathan C, Oberbauer, Steven F., Hollister, Robert D., Tweedie, Craig E., Welker, Jeffrey M., Gould, William A., A. Joshua Leffler
Published 2012

Herbivore diversity effects on Arctic tundra ecosystems: a systematic review

by Laura Barbero-Palacios, Isabel C Barrio, Mariana García Criado, Ilona Kater, Matteo Petit Bon, Tiina HM Kolari, Ragnhild Bjørkås, Jonas Trepel, Erick Lundgren, Katrín Björnsdóttir, Bernice C Hwang, Laura Bartra-Cabré, Mathilde Defourneaux, Jennifer Ramsay, Thomas K Lameris, A Joshua Leffler, Janine G Lock, Mari S Kuoppamaa, Jeppe A Kristensen, Anne D Bjorkman, Isla Myers-Smith, Nicolas Lecomte, Jan C Axmacher, Olivier Gilg, Michael Den Herder, Emmanuel P Pagneux, Anna Skarin, Natalia Sokolova, Torben Windirsch, Helen C Wheeler, Emmanuel Serrano, Tarmo Virtanen, David S Hik, Elina Kaarlejärvi, James DM Speed, Eeva M Soininen
Published 2024

Herbivore diversity effects on Arctic tundra ecosystems: a systematic review

by Laura Barbero-Palacios, Isabel C. Barrio, Mariana García Criado, Ilona Kater, Matteo Petit Bon, Tiina H. M. Kolari, Ragnhild Bjørkås, Jonas Trepel, Erick Lundgren, Katrín Björnsdóttir, Bernice C. Hwang, Laura Bartra-Cabré, Mathilde Defourneaux, Jennifer Ramsay, Thomas K. Lameris, A. Joshua Leffler, Janine G. Lock, Mari S. Kuoppamaa, Jeppe A. Kristensen, Anne D. Bjorkman, Isla Myers-Smith, Nicolas Lecomte, Jan C. Axmacher, Olivier Gilg, Michael Den Herder, Emmanuel P. Pagneux, Anna Skarin, Natalia Sokolova, Torben Windirsch, Helen C. Wheeler, Emmanuel Serrano, Tarmo Virtanen, David S. Hik, Elina Kaarlejärvi, James D. M. Speed, Eeva M. Soininen
Published in Environmental Evidence (2024)