Search Results - "Choi, Ryan T."

Competition and coexistence in plant communities: intraspecific competition is stronger than interspecific competition by Adler, Peter B., Smull, Danielle, Beard, Karen H., Choi, Ryan T., Furniss, Tucker, Kulmatiski, Andrew, Meiners, Joan M., Tredennick, Andrew T., Veblen, Kari E., Comita, Liza

“…Theory predicts that intraspecific competition should be stronger than interspecific competition for any pair of stably coexisting species, yet previous…”
Get full text

Migratory goose arrival time plays a larger role in influencing forage quality than advancing springs in an Arctic coastal wetland by Beard, Karen H, Choi, Ryan T, Leffler, A Joshua, Carlson, Lindsay G, Kelsey, Katharine C, Schmutz, Joel A, Welker, Jeffrey M

“…With warmer springs, herbivores migrating to Arctic breeding grounds may experience phenological mismatches between their energy demands and the availability…”
Get full text

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 Leffler, A Joshua, Beard, Karen H, Kelsey, Katharine C, Choi, Ryan T, Schmutz, Joel A, Welker, Jeffrey M

“…Rapid warming in northern ecosystems over the past four decades has resulted in earlier spring, increased precipitation, and altered timing of plant-animal…”
Get full text

Phenological mismatch in coastal western Alaska may increase summer season greenhouse gas uptake by Kelsey, Katharine C, Leffler, A Joshua, Beard, Karen H, Choi, Ryan T, Schmutz, Joel A, Welker, Jeffery M

“…High latitude ecosystems are prone to phenological mismatches due to climate change- driven advances in the growing season and changing arrival times of…”
Get full text

Diet of the Nonnative Greenhouse Frog (Eleutherodactylus planirostris) in Maui, Hawaii by Ferreira, Rodrigo B, Beard, Karen H, Choi, Ryan T, Pitt, William C

“…The Greenhouse Frog (Eleutherodactylus planirostris) is one of the most widespread frog species in the world. Because of its high population densities,…”
Get full text

Multiple resource limitation of dryland soil microbial carbon cycling on the Colorado Plateau by Choi, Ryan T., Reed, Sasha C., Tucker, Colin L.

“…Understanding interactions among biogeochemical cycles is increasingly important as anthropogenic alterations of global climate and of carbon (C), nitrogen…”
Get full text

Goose Feces Effects on Subarctic Soil Nitrogen Availability and Greenhouse Gas Fluxes by Beard, Karen H., Kelsey, Katharine C., Choi, Ryan T., Welker, Jeffrey M., Leffler, A. Joshua

“…Vertebrate herbivore excrement is thought to influence nutrient cycling, plant nutrition, and growth; however, its importance is rarely isolated from other…”
Get full text

Delayed herbivory by migratory geese increases summer‐long CO2 uptake in coastal western Alaska by Leffler, A. Joshua, Beard, Karen H., Kelsey, Katharine C., Choi, Ryan T., Schmutz, Joel A., Welker, Jeffrey M.

“…The advancement of spring and the differential ability of organisms to respond to changes in plant phenology may lead to “phenological mismatches” as a result…”
Get full text

Phenological mismatch between season advancement and migration timing alters Arctic plant traits by Choi, Ryan T., Beard, Karen H., Leffler, A. Joshua, Kelsey, Katharine C., Schmutz, Joel A., Welker, Jeffrey M., Cornelissen, Hans

“…Climate change is creating phenological mismatches between herbivores and their plant resources throughout the Arctic. While advancing growing seasons and…”
Get full text

Short‐term effects of experimental goose grazing and warming differ in three low‐Arctic coastal wetland plant communities by Choi, Ryan T., Petit Bon, Matteo, Leffler, A. Joshua, Kelsey, Katharine C., Welker, Jeffrey M., Beard, Karen H.

“…Question Understanding the sensitivity and magnitude of plant community responses in tundra wetlands to herbivory and warming is pressing as these ecosystems…”
Get full text

Early Goose Arrival Increases Soil Nitrogen Availability More Than an Advancing Spring in Coastal Western Alaska by Choi, Ryan T., Beard, Karen H., Kelsey, Katharine C., Leffler, A. Joshua, Schmutz, Joel A., Welker, Jeffrey M.

“…An understudied aspect of climate change-induced phenological mismatch is its effect on ecosystem functioning, such as nitrogen (N) cycling. Migratory…”
Get full text

Coqui frog invasions change invertebrate communities in Hawaii by Choi, Ryan T., Beard, Karen H.

“…The Puerto Rican coqui frog ( Eleutherodactylus coqui ) invaded Hawaii in the late 1980s. Because the coqui reaches high densities and consumes large…”
Get full text

Delayed herbivory by migratory geese increases summer-long CO 2 uptake in coastal western Alaska by Leffler, A Joshua, Beard, Karen H, Kelsey, Katharine C, Choi, Ryan T, Schmutz, Joel A, Welker, Jeffrey M

“…The advancement of spring and the differential ability of organisms to respond to changes in plant phenology may lead to "phenological mismatches" as a result…”
Get full text

Climate-Driven Impacts of Warming and Grazing on Sub-Arctic Coastal Wetlands in Alaska by Choi, Ryan T

“…Climate change is rapidly warming the Arctic, especially at lower latitudes. Warmer temperatures and earlier springs are altering the timing of plants and…”
Get full text

Invertebrate community changes along coqui invasion fronts in Hawaii by Choi, Ryan T

“…The Puerto Rican coqui frog, Eleutherodactylus coqui, was introduced to Hawaii in the late 1980s via the commercial horticulture trade. Previous research has…”
Get full text