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Full-Text Articles in Life Sciences

Pasturelands As Natural Climate Solutions: A Socioecological Study Of Tree Carbon And Beef Production Trade-Offs, Bela Starinchak May 2023

Pasturelands As Natural Climate Solutions: A Socioecological Study Of Tree Carbon And Beef Production Trade-Offs, Bela Starinchak

Masters Theses, 2020-current

Forest restoration is the most effective natural climate solution, with the potential to sequester 37% of the carbon dioxide (CO2) needed to reach the Paris climate mitigation goal. Cattle pastures offer an underutilized opportunity to increase global forest restoration efforts, improve biodiversity, and maximize carbon storage through the adoption of management strategies that prioritize the incorporation of trees into pasturelands. However, remote estimations of tree carbon storage in pastoral systems have never been field-verified and their accuracy is unclear. Furthermore, the effect of increased trees on cattle production is understudied across biomes. Lastly, the restoration potential of these …


The Effect Of Cattle Management On Soil Carbon: Implications For Climate Change, Kelly M. Livernoche May 2017

The Effect Of Cattle Management On Soil Carbon: Implications For Climate Change, Kelly M. Livernoche

Masters Theses, 2010-2019

In naturally occurring ecosystems, forests function as substantial carbon sinks, storing carbon in soil and in biomass that would otherwise exist in the atmosphere as carbon dioxide. The conversion of forested land to cattle pastures and their associated operational processes are noteworthy contributors to recent increases in global carbon emissions and subsequent climate change. However, appropriately managed cattle pastures have potential to be reservoirs for carbon. Rotational cattle pastures, where cattle are moved between enclosed sections of pasture, may improve soil carbon content compared to conventional practices. In rotational cattle pastures, a more even distribution of manure increases plant biomass, …


Compost Land Management And Soil Carbon Sequestration, Kylene A. Hohman May 2016

Compost Land Management And Soil Carbon Sequestration, Kylene A. Hohman

Senior Honors Projects, 2010-2019

Extensive fossil fuel burning has released carbon dioxide into the atmosphere. Under proper ecological conditions plants convert atmospheric carbon dioxide into stable soil organic matter, a natural and efficient means of mitigating climate change. In the symbiotic relationship between mycorrhizae and plants, mycorrhizae provide plants with essential nutrients in exchange for carbon sugars leaked from the plants. Mycorrhizae convert carbon sugars to an exudate called glomalin, a protein that assists in developing soil aggregates composed of sand, silt, and clay. These aggregates, called humus, store carbon for hundreds of years under healthy ecological conditions. Compost prompts soil microbes to aerobically …