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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, A. Joshua Leffler, Karen H. Beard, Katharine C. Kelsey, Ryan T. Choi, Joel A. Schmutz, Jeffrey M. Welker
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, A. Joshua Leffler, Karen H. Beard, Katharine C. Kelsey, Ryan T. Choi, Joel A. Schmutz, Jeffrey M. Welker
Wildland Resources Faculty Publications
Rapid warming in northern ecosystems over the past four decades has resulted in earlier spring, increased precipitation, and altered timing of plant–animal interactions, such as herbivory. Advanced spring phenology can lead to longer growing seasons and increased carbon (C) uptake. Greater precipitation coincides with greater cloud cover possibly suppressing photosynthesis. Timing of herbivory relative to spring phenology influences plant biomass. None of these changes are mutually exclusive and their interactions could lead to unexpected consequences for Arctic ecosystem function. We examined the influence of advanced spring phenology, cloud cover, and timing of grazing on C exchange in the Yukon–Kuskokwim Delta …
Is Grassfed Meat And Dairy Better For Human And Environmental Health?, Frederick D. Provenza, Scott L. Kronberg, Pablo Gregorini
Is Grassfed Meat And Dairy Better For Human And Environmental Health?, Frederick D. Provenza, Scott L. Kronberg, Pablo Gregorini
Wildland Resources Faculty Publications
The health of livestock, humans, and environments is tied to plant diversity—and associated phytochemical richness—across landscapes. Health is enhanced when livestock forage on phytochemically rich landscapes, is reduced when livestock forage on simple mixture or monoculture pastures or consume high-grain rations in feedlots, and is greatly reduced for people who eat highly processed diets. Circumstantial evidence supports the hypothesis that phytochemical richness of herbivore diets enhances biochemical richness of meat and dairy, which is linked with human and environmental health. Among many roles they play in health, phytochemicals in herbivore diets protect meat and dairy from protein oxidation and lipid …