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A biogeochemical cycle, or more generally a cycle of matter, is the movement and transformation of chemical elements and compounds between living organisms, the atmosphere, and the Earth's crust. Major biogeochemical cycles include the carbon cycle, the nitrogen cycle and the water cycle. In each cycle, the chemical element or molecule is transformed and cycled by living organisms and through various geological forms and reservoirs, including the atmosphere, the soil and the oceans. It can be thought of as the pathway by which a chemical substance cycles the biotic compartment and the abiotic compartments of Earth. The biotic compartment is the biosphere and the abiotic compartments are the atmosphere, lithosphere and hydrosphere.
Biogeochemistry is the scientific discipline that involves the study of the chemical, physical, geological, and biological processes and reactions that govern the composition of the natural environment. In particular, biogeochemistry is the study of biogeochemical cycles, the cycles of chemical elements such as carbon and nitrogen, and their interactions with and incorporation into living things transported through earth scale biological systems in space and time. The field focuses on chemical cycles which are either driven by or influence biological activity. Particular emphasis is placed on the study of carbon, nitrogen, oxygen, sulfur, iron, and phosphorus cycles. Biogeochemistry is a systems science closely related to systems ecology.
Panicum virgatum, commonly known as switchgrass, is a perennial warm season bunchgrass native to North America, where it occurs naturally from 55°N latitude in Canada southwards into the United States and Mexico. Switchgrass is one of the dominant species of the central North American tallgrass prairie and can be found in remnant prairies, in native grass pastures, and naturalized along roadsides. It is used primarily for soil conservation, forage production, game cover, as an ornamental grass, in phytoremediation projects, fiber, electricity, heat production, for biosequestration of atmospheric carbon dioxide, and more recently as a biomass crop for ethanol and butanol.
The pedosphere is the outermost layer of the Earth that is composed of soil and subject to soil formation processes. It exists at the interface of the lithosphere, atmosphere, hydrosphere and biosphere. The pedosphere is the skin of the Earth and only develops when there is a dynamic interaction between the atmosphere, biosphere, lithosphere and the hydrosphere. The pedosphere is the foundation of terrestrial life on Earth.
The Joint Genome Institute (JGI) is a scientific user facility for integrative genomic science at Lawrence Berkeley National Laboratory. The mission of the JGI is to advance genomics research in support of the United States Department of Energy's (DOE) missions of energy and the environment. It is one of three national scientific user facilities supported by the Office of Biological and Environmental Research (BER) within the Department of Energy's Office of Research. These BER facilities are part of a more extensive network of 28 national scientific user facilities that operate at the DOE national laboratories.
Energy crops are low-cost and low-maintenance crops grown solely for renewable bioenergy production. The crops are processed into solid, liquid or gaseous fuels, such as pellets, bioethanol or biogas. The fuels are burned to generate electrical power or heat.
The microbial loop describes a trophic pathway where, in aquatic systems, dissolved organic carbon (DOC) is returned to higher trophic levels via its incorporation into bacterial biomass, and then coupled with the classic food chain formed by phytoplankton-zooplankton-nekton. In soil systems, the microbial loop refers to soil carbon. The term microbial loop was coined by Farooq Azam, Tom Fenchel et al. in 1983 to include the role played by bacteria in the carbon and nutrient cycles of the marine environment.
This page is an index of sustainability articles.
Asmeret Asefaw Berhe is a soil biogeochemist and political ecologist who served as Director of the Office of Science at the US Department of Energy from 2022 to 2024. She is a Professor of Soil Biogeochemistry and the Ted and Jan Falasco Chair in Earth Sciences and Geology in the Department of Life and Environmental Sciences; University of California, Merced. Her research group works to understand how soil helps regulate the Earth's climate.
Tracy Teal is an American bioinformatician and the executive director of Data Carpentry. She is known for her work in open science and biomedical data science education.
Caroline Masiello is a biogeochemist who develops tools to better understand the cycling and fate of globally relevant elemental cycles. She is a professor at Rice University in the Department of Earth, Environmental and Planetary Sciences and holds joint appointments in the Chemistry and Biochemistry Departments. Masiello was elected as a Fellow of the Geological Society of America in 2017. She currently leads an interdisciplinary team of scientists who are developing microbial sensors for earth system science.
Wendy Yang is an associate professor of Plant Biology and Geology at the University of Illinois Urbana-Champaign where she works on soil biogeochemistry and ecosystem ecology.
Erika Marín-Spiotta is a biogeochemist and ecosystem ecologist. She is currently Professor of Geography at the University of Wisconsin-Madison. She is best-known for her research of the terrestrial carbon cycle and is an advocate for underrepresented groups in the sciences, specifically women.
Kristen M. DeAngelis is a professor in the department of Microbiology at the University of Massachusetts where she studies soil microbes in relation to climate change.
Tana Elaine Wood is a biogeochemist and ecosystem scientist with a focus in land-use and climate change. Her research is focused on looking into how these issues affect tropical forested ecosystems and particularly focuses on soil science and below ground research efforts.
Julie Dierstein Jastrow is an American terrestrial ecologist who works at the Argonne National Laboratory. Her research considers soil and ecosystems ecology. She was elected Fellow of the American Association for the Advancement of Science in 2021.
Ashley L. Shade is a Director of Research with the Institute of Ecology and the Environment of Le Centre National de la Recherche Scientifique. Shade is an adjunct associate professor at Michigan State University in the Department of Microbiology and Molecular Genetics and Department of Plant, Soil and Microbial Sciences. She is best known for her work in microbial ecology and plant-microbe interactions.
Bridget Emmett is a British ecologist, Professor and Science Area Head for the UK Centre for Ecology & Hydrology. She is the President of British Ecological Society from 2024.
Aindrila Mukhopadhyay is an American scientist who is the Division Deputy of the Biological Systems and Engineering Division at Lawrence Berkeley National Laboratory. Her research involves microbial engineering for the production of biofuels. She was nominated a Fellow of the American Association for the Advancement of Science in 2022.
Blake A. Simmons is an American chemical engineer, entrepreneur and an academic. He is an adjunct professor at the University of Queensland, and the University of Hawaiʻi at Hilo, the division director for biological systems and engineering at Lawrence Berkeley National Laboratory, and the chief science and technology officer at the Joint BioEnergy Institute.
References
- 1 2 3 "CABBI Welcomes Sustainability Theme PI Jennifer Pett-Ridge | Center for Advanced Bioenergy & Bioproducts Innovation". 9 December 2020. Retrieved 2022-06-22.
- ↑ Pett-Ridge, Jennifer (2005). Rapidly fluctuating redox regimes frame the ecology of microbial communities and their biogeochemical function in a humid tropical soil. OCLC 945871157.
- 1 2 "pettridge2". people.llnl.gov. Retrieved 2022-06-22.
- ↑ Celebrating Women in Climate Action with LLNL Director Kim Budil, 30 March 2021, retrieved 2022-06-22
- ↑ "Jennifer Pett-Ridge Biography". carbon-economy.llnl.gov. Retrieved 2022-06-22.
- 1 2 "Bacteria wars are raging in soil, and it's keeping ecosystems healthy". Popular Science. 2021-04-30. Retrieved 2022-06-22.
- ↑ "Go with your gut—the hidden secrets and powers of microbiomes". The Economist. ISSN 0013-0613 . Retrieved 2022-06-22.
- ↑ Ashley, Dan; Didion, Tim (2021-07-26). "Here's how Bay Area researchers are using plants to fight climate change". ABC7 San Francisco. Retrieved 2022-06-22.
- ↑ "Endowed Biogeochemistry Lecture | Geochemical Society". www.geochemsoc.org. Retrieved 2022-06-22.
- ↑ "Energy Secretary Granholm Announces 2021 Ernest Orlando Lawrence Award Winners". Energy.gov. Retrieved 2022-06-22.
- ↑ "Two LLNL scientists earn E.O. Lawrence Award". www.llnl.gov. Retrieved 2022-06-22.
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