Search Results - "Catunda, Karen M."

Pastures and Climate Extremes: Impacts of Cool Season Warming and Drought on the Productivity of Key Pasture Species in a Field Experiment by Churchill, Amber C, Zhang, Haiyang, Fuller, Kathryn J, Amiji, Burhan, Anderson, Ian C, Barton, Craig V M, Carrillo, Yolima, Catunda, Karen L M, Chandregowda, Manjunatha H, Igwenagu, Chioma, Jacob, Vinod, Kim, Gil Won, Macdonald, Catriona A, Medlyn, Belinda E, Moore, Ben D, Pendall, Elise, Plett, Jonathan M, Post, Alison K, Powell, Jeff R, Tissue, David T, Tjoelker, Mark G, Power, Sally A

“…Shifts in the timing, intensity and/or frequency of climate extremes, such as severe drought and heatwaves, can generate sustained shifts in ecosystem function…”
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Rapid quantification of biological nitrogen fixation using optical spectroscopy by Zhang, Haiyang, Plett, Jonathan M, Catunda, Karen L M, Churchill, Amber C, Moore, Ben D, Powell, Jeff R, Power, Sally A, Yang, Jinyan, Anderson, Ian C

“…Abstract Biological nitrogen fixation (BNF) provides a globally important input of nitrogen (N); its quantification is critical but technically challenging…”
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Nitrogen niche partitioning between tropical legumes and grasses conditionally weakens under elevated CO2 by Churchill, Amber C., Zhang, Haiyang, Kim, Gil Won, Catunda, Karen L. M., Anderson, Ian C., Isbell, Forest, Moore, Ben, Pendall, Elise, Plett, Jonathan M., Powell, Jeff R., Power, Sally A.

“…Plant community biodiversity can be maintained, at least partially, by shifts in species interactions between facilitation and competition for resources as…”
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Short‐term drought is a stronger driver of plant morphology and nutritional composition than warming in two common pasture species by Catunda, Karen L. M., Churchill, Amber C., Zhang, Haiyang, Power, Sally A., Moore, Ben D.

“…Under warmer and drier future conditions, global livestock and dairy production are threatened by impacts on the productivity and nutritional quality of…”
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Near infrared spectroscopy calibration strategies to predict multiple nutritional parameters of pasture species from different functional groups by Catunda, Karen LM, Churchill, Amber C, Power, Sally A, Moore, Ben D

“…Near infrared reflectance (NIR) spectroscopy has been used by the agricultural industry as a rapid and inexpensive technique to quantify nutritional chemistry…”
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Climate warming negates arbuscular mycorrhizal fungal reductions in soil phosphorus leaching with tall fescue but not lucerne by Zhang, Haiyang, Powell, Jeff R., Plett, Jonathan M., Churchill, Amber C., Power, Sally A., Macdonald, Catriona A., Jacob, Vinod, Kim, Gil Won, Pendall, Elise, Tissue, David, Catunda, Karen M., Igwenagu, Chioma, Carrillo, Yolima, Moore, Ben D., Anderson, Ian C.

“…Nutrient losses due to leaching from agricultural soils can be substantial but, in some cases, soil microbes such as arbuscular mycorrhizal (AM) fungi can…”
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Nitrogen niche partitioning between tropical legumes and grasses conditionally weakens under elevated CO 2 by Churchill, Amber C., Zhang, Haiyang, Kim, Gil Won, Catunda, Karen L. M., Anderson, Ian C., Isbell, Forest, Moore, Ben, Pendall, Elise, Plett, Jonathan M., Powell, Jeff R., Power, Sally A.

“…Abstract Plant community biodiversity can be maintained, at least partially, by shifts in species interactions between facilitation and competition for…”
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Arbuscular mycorrhizal fungal-mediated reductions in N2O emissions were not impacted by experimental warming for two common pasture species by Zhang, Haiyang, Powell, Jeff R., Power, Sally A., Churchill, Amber C., Plett, Jonathan M., Macdonald, Catriona A., Jacob, Vinod, Kim, Gil Won, Pendall, Elise, Tissue, David T., Catunda, Karen L.M., Igwenagu, Chioma, Carrillo, Yolima, Moore, Ben D., Anderson, Ian C.

“…Soil emissions of nitrous oxide (N2O), a potent greenhouse gas associated with agricultural systems, can be reduced by the activity of arbuscular mycorrhizal…”
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