Digital Commons Network^™

Biochar And Microbial Soil Amendment Effects On Post-Mined Soil For Pinus Echinata Restoration In A Changing Climate, Casey Iwamoto, Courtney Siegert, Joshua J. Granger, Krishna P. Poudel, Adam Polinko, Zachary Freedman

Forest & Wildlife Research Center Publications and Scholarship

In the face of climate uncertainty, there is a need to understand how the success of current restoration efforts may be impacted in the future. Combinations of biochar and microbial soil amendments were used in a greenhouse study to quantify potential benefits for soil health, water quality, and tree growth parameters in post-mined soil. This dataset represents a comprehensive 6-month greenhouse experiment for shortleaf pine restoration with consideration to climate change under dry, average, and wet moisture regimes. Soil amendments were applied to one year old seedlings replicated across moisture treatments including: biochar, microbial, mixture of biochar and microbial, unamended …

Influence Of Biochar As A Soil Amendment On Soil Water Content And Wild Blueberry Physiology, Abigayl Novak

Electronic Theses and Dissertations

Maine wild (or lowbush) blueberries (Vaccinium angustifolium Ait.) continue to face challenges imposed by climate change. Reduced frequency of precipitation and increased drought conditions have negatively impacted this crop since it resides in sandy soils with limited retention of water and nutrients. The wild blueberry plants growing in water- and nutrient-poor sandy soils are likely to have poor resilience to drought, resulting in a decline in berry yield during drought years. Thus, there is an urgent need to find a drought management solution for wild blueberries. Compared with other drought management practices, such as irrigation systems, mulching, and adopting drought-resistant …

Ten New Insights In Climate Science 2023/2024, Mercedes Bustamante, Joyashree Roy, Daniel Ospina, Ploy Achakulwisut, Anubha Aggarwal, Ana Bastos, Wendy Broadgate, Josep G. Canadell, Edward Carr, Deliang Chen, Helen A. Cleugh, Kristie L. Ebi

Geography

Non-technical summary: We identify a set of essential recent advances in climate change research with high policy relevance, across natural and social sciences: (1) looming inevitability and implications of overshooting the 1.5°C warming limit, (2) urgent need for a rapid and managed fossil fuel phase-out, (3) challenges for scaling carbon dioxide removal, (4) uncertainties regarding the future contribution of natural carbon sinks, (5) intertwinedness of the crises of biodiversity loss and climate change, (6) compound events, (7) mountain glacier loss, (8) human immobility in the face of climate risks, (9) adaptation justice, and (10) just transitions in food systems. Technical …

Neutralizing The Atmosphere, Shelley Welton

All Faculty Scholarship

“Net zero” has rapidly become the new organizing paradigm of climate change law. In the past few years, thousands of countries, companies, states, and cities have developed pledges that promise by a set date—typically around 2050—that any carbon they emit will be counterbalanced by capturing an equal amount of carbon out of the atmosphere. Collectively, these pledges now cover more than 91% of the global economy. This widespread adoption of scientifically aligned climate policy appears on its surface like a cause for celebration. However, concerns are mounting. To date, critiques of net zero have centered on what this Feature terms …

Climate Change And Management Impacts On Soybean N Fixation, Soil N Mineralization, N2O Emissions, And Seed Yield, Elvis F. Elli, Ignacio A. Ciampitti, Michael J. Castellano, Larry C. Purcell, Seth Naeve, Patricio Grassini, Nicolas C. La Menza, Luiz Moro Rosso, André F. De Borja Reis, Péter Kovács, Sotirios V. Archontoulis

Department of Agronomy and Horticulture: Faculty Publications

Limited knowledge about how nitrogen (N) dynamics are affected by climate change, weather variability, and crop management is a major barrier to improving the productivity and environmental performance of soybean-based cropping systems. To fill this knowledge gap, we created a systems understanding of agroecosystem N dynamics and quantified the impact of controllable (management) and uncontrollable (weather, climate) factors on N fluxes and soybean yields. We performed a simulation experiment across 10 soybean production environments in the United States using the Agricultural Production Systems sIMulator (APSIM) model and future climate projections from five global circulation models. Climate change (2020–2080) increased N …

Characterization Of Biochar As A Carbon Regulator In Manure And Environmental Management Applications, Josephine Getz

Doctoral

Biochar is a product of pyrolysis, which is the thermal decomposition of materials at elevated temperatures (300 - 900 °C) in an oxygen-limited atmosphere. Biochar has been recognized as a potentially vital tool to help reduce the climate change impact. It has been used in the agricultural sector as an addition to reduce greenhouse gas emissions in several animal husbandry settings. The application in the animal sector is an important point to reduce the overall amount of greenhouse gases released as this sector produces many greenhouse gases. Though not in every case a reduction of emissions was the result of …

A Review Of Transformative Strategies For Climate Mitigation By Grasslands, Nuria Gomez-Casanovas, Elena Blanc-Betes, Caitlin E. Moore, Carl J. Bernacchi, Ilsa Kantola, Evan H. Delucia

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

Grasslands can significantly contribute to climate mitigation. However, recent trends indicate that human activities have switched their net cooling effect to a warming effect due to management intensification and land conversion. This indicates an urgent need for strategies directed to mitigate climate warming while enhancing productivity and efficiency in the use of land and natural (nutrients, water) resources. Here, we examine the potential of four innovative strategies to slow climate change including: 1) Adaptive multi-paddock grazing that consists of mimicking how ancestral herds roamed the Earth; 2) Agrivoltaics that consists of simultaneously producing food and energy from solar panels on …

The Role Of Vegetative Cover In Enhancing Resilience To Climate Change And Improving Public Health, Anastasia D. Ivanova

Masters Theses

Changing temperature and precipitation patterns are causing degraded soil, water, and air quality which is negatively affecting the safety and health of people, and the productivity of urban and rural communities. However, research shows that implementing urban forests and cover crops into urban and rural landscapes, respectively, can mitigate these effects by providing ecosystem services. As extreme precipitation and heat events continue to intensify, there is a need for comprehensively assessing these ecosystem services under changing climates and for this information to be easily accessible by communities for rapid land-use decision making. Therefore, I investigated the role of urban forests …

Removing Carbon Dioxide Through Ocean Alkalinity Enhancement And Seaweed Cultivation: Legal Challenges And Opportunities, Romany M. Webb, Korey Silverman-Roati, Michael B. Gerrard

Faculty Scholarship

This paper explores two ocean-based carbon dioxide removal strategies – ocean alkalinity enhancement and seaweed cultivation. Ocean alkalinity enhancement involves adding alkalinity to ocean waters, either by discharging alkaline rocks or through an electrochemical process, which increases ocean pH levels and thereby enables greater uptake of carbon dioxide, as well as reducing the adverse impacts of ocean acidification. Seaweed cultivation involves the growing of kelp and other macroalgae to store carbon in biomass, which can then either be used to replace more greenhouse gas-intensive products or sequestered.

This paper also examines the international and U.S. legal frameworks that apply to …

(Carbon) Farming Our Way Out Of Climate Change, Alexia Brunet Marks

Publications

Numerous climate-related emergencies highlight the challenges and urgency posed by climate change: the 2018 Intergovernmental Panel on Climate Change (IPCC) Report, the Global Climate Action Summit in California and international student walkouts, to name a few. While the IPCC Report sent an urgent cry to reduce total emissions and to achieve specific results—45% reduction by 2030 and net-zero emissions by 2050—reductions need to be combined with capturing and storing atmospheric carbon dioxide. Scientific studies have shown that an annual increase of 0.4% of carbon stored in soils would make it possible to stop the present increase in atmospheric CO2.

This …

Parks, Recreation, And Opportunities: A Case Study Of East Bay Regional Park District's Climate Change Mitigation And Adaptation Strategies, Brett Walsh

Experience Industry Management

In the face of a global climate emergency, community parks & recreation and land management agencies are beginning to adopt a critical role in the fight against climate change. This study gathered information on efforts around the world and created a case study guide to examine the climate change mitigation and adaptation strategies of East Bay Regional Park District in the San Francisco Bay Area of California in the United States. The study was conducted in hopes of shedding light on how small agencies can be proactive and contribute to larger efforts, creating greater regional impacts.

Going Negative: The Next Horizon In Climate Engineering Law, Tracy Hester, Michael B. Gerrard

Faculty Scholarship

As the global community struggles to turn the Paris Agreement’s commitments into meaningful emission reductions and the United States turbulently reverses its climate policies, the potential role of “negative emissions technologies” and other climate engineering approaches is drawing increasingly serious attention. These technologies are engineering on the grandest scale: climate engineering seeks to offset the effects of anthropogenic climate change by either altering the solar radiation reaching the earth’s surface or changing the composition of the atmosphere itself. Specifically, negative emissions technologies would directly remove greenhouse gases (GHGs) from the ambient air and help to remove accumulated atmospheric carbon dioxide …

Decomposition Dynamics Under Climate Change Conditions In Boreal Peat, Rosa Del Giudice

Electronic Thesis and Dissertation Repository

Boreal peatlands currently act as carbon sinks, but are projected to become carbon sources under climate change. Shifts in plant community composition alongside increased decomposition rates are potential mechanisms precipitating this change. My objective was to determine the decomposition potential of different peatland plant litters (Sphagnum magellanicum (peat moss), Carex magellanica (graminoid) and Chamaedaphne calyculata (woody shrub)) during short-term (48 hour) leaching and microbial decomposition (20 week) phases. The 48-hour leaching experiment measured mass loss and leachate chemistry of litters grown under ambient and elevated CO₂, while the 20-week experiment measured heterotrophic respiration and mass loss of …

The Greenleaf Farm Resiliency Project: An Ecological Landscape Design, Holly Lee Greenleaf

Environmental Studies Electronic Thesis Collection

An ecological landscape design that increases the resiliency of Greenleaf Farm in the face of a changing climate is the basis for this project thesis. It is a comprehensive long-term master plan that integrates various agricultural and land management techniques in an attempt to increase resiliency, i.e. ecological and human/cultural resiliency. Patterns in the landscape inform design decisions and serve as models for agricultural systems. The landscape’s tendency to be forested and the goal for production of diverse resources inform the method to integrate ecological goals of the land with greater resilience. Applying the concepts of complexity and diversity to …

The Influences Of Poultry Litter Biochar And Water Source On Radish Growth And Nutrition, Julia Allen, David E. Longer, Edward E. Gbur, Lichen Hao

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Many row-crop fields today have declined in soil fertility due to poor management practices and overuse of pesticides. Under these conditions, plant nutrient uptake can be sub-optimal. There are several soil amendments that can be used to improve soil quality and plant growth. This study focused on the addition of biochar to the soil and the use of structured water to enhance plant growth. Biochar is produced by pyrolysis of organic feedstocks. Previous studies which focused on biochar have shown an increase in plant yield, nutrient availability in the soil, and soil water holding capacity. Structured water is the liquid …

Carbon Farming In Relation To Western Australian Agriculture, Robert Sudmeyer, Jackson Parker, Tanmoy Nath, Ananda Ghose

Bulletins 4000 -

Carbon farming activities need to return multiple economic and environmental co-benefits to be attractive to land managers. This bulletin summarises concepts underlying carbon farming, how Australia accounts for greenhouse gas emissions and the potential for Western Australian land managers to participate in, and benefit from, carbon farming.

The Greenleaf Farm Resiliency Project: An Ecological Landscape Design, Holly Lee Greenleaf

UVM Patrick Leahy Honors College Senior Theses

An ecological landscape design that increases the resiliency of Greenleaf Farm in the face of a changing climate is the basis for this project thesis. It is a comprehensive long-term master plan that integrates various agricultural and land management techniques in an attempt to increase resiliency, i.e. ecological and human/cultural resiliency. Patterns in the landscape inform design decisions and serve as models for agricultural systems. The landscape’s tendency to be forested and the goal for production of diverse resources inform the method to integrate ecological goals of the land with greater resilience. Applying the concepts of complexity and diversity to …

International Law In The Anthropocene: Responding To The Geoengineering Challenge, Karen N. Scott

Michigan Journal of International Law

From The Odyssey to The Tempest and beyond, the control and deliberate manipulation of the weather constitutes an enduring and universal theme in myth and literature. In the twenty-first century, it is scientists and engineers rather than authors and artists who dream of weather and climate control, and their story, as described by James Rodger Fleming, "is not, in essence, a heroic saga about new scientific discoveries that can save the planet, as many of the participants claim, but a tragicomedy of overreaching, hubris, and self-delusion." This notwithstanding, the argument that we should deliberately manipulate earth systems and natural processes …

The Regulation Of Climate Engineering, Jesse Reynolds

Jesse Reynolds

Remaking The World To Save It: Applying U.S. Environmental Laws To Climate Engineering Projects, Tracy Hester

Tracy Hester

Given the high levels of greenhouse gases already in the atmosphere and the likelihood of growing emissions in the future, even aggressive limits on greenhouse gas emissions might ultimately fail to prevent dangerous climate disruptions. To prepare for this risk, some scientists have started to explore techniques that directly influence or control global and regional climatic systems to offset climate change effects. As climate engineering research expands, U.S. environmental law could become an important forum for efforts to control nascent climate engineering technologies. Federal and state agencies should start now to map out regulatory strategies and guidance for potential requests …

Climate Change Response Strategy, Anne Bennett

Bulletins 4000 -

Climate change and policies introduced to reduce emissions will affect the agricultural sector and will lead to social and economic outcomes.

In addressing the Western Australian Government's priority plan for the agriculture and food sector, the Department of Agriculture and Food, Western Australia has a number of roles it can play to assist industry to adapt and respond to climate change.

This document provides a balanced and coordinated strategic direction for climate change activities by identifying and prioritising key actions to be achieved over the next five years. The strategy is split into four chapters: emissions abatement, carbon sinks, adapting …

Biochar: A Carbon Negative Model For Umass Amherst, Susanne E. Hale

Conference on Cellulosic Biofuels

Biochar is a charcoal by-product of pyrolysis production of biofuels from biomass, which offers the potential for long-term, affordable carbon sequestration. Biochar in Amazonian soils have been found to be stable in the soil for hundreds to thousands of years. New pyrolysis technologies currently being developed may have the potential to be used in the future with the new UMass co-generation Central Heating Plant to produce syngas for powering plant turbines, while at the same time producing biochar for carbon sequestration, yielding a carbon negative system. Other benefits of biochar include increased soil fertility and crop yield, stimulation of the …