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Exploring positive youth development and civic engagement in an environment action program : a Saint Louis Zoo case study
(University of Missouri--Columbia, 2020)
To become thriving and contributing members of society, a vital skill for youth to learn is civic engagement behaviors. Civic engagement can manifest itself as volunteering, community engagement, or behaviors such as voting ...
The application of integrated regional enstrophy in identifying the south Asian summer monsoon season
(University of Missouri--Columbia, 2020)
This study uses integrated regional enstrophy (IRE) to identify the onset and termination of South Asian summer monsoon (SASM) (10[degrees] N-25[degrees] N, 80[degrees] E-120[degrees] E) from 2000 to 2019. The SASM region ...
Educating for adoption : understanding long-term outcomes of the Agroforestry Academy
(University of Missouri--Columbia, 2020)
Agroforestry adoption remains low in temperate regions despite academic acceptance of diverse benefits. And while education is often cited as a tool for empowering adoption, researchers have struggled to identify generalizable ...
Agroforestry buffer, biomass crop, and grain crop effects on soil quality and soil water use
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Soil degradation, impaired water quality, and reduced soil organic carbon have become major concerns in the management of degraded claypan soils with ...
Assessment and diversity of fish communities in non-wadeable tributaries of the Missouri and Mississippi rivers
(University of Missouri--Columbia, 2020)
As the geographical centers of riverscapes, rivers support fish populations at local and basin-wide scales. However, refinements to fish sampling protocols and theories underpinning basin-wide community ecology have been ...
The variability of the El Nino southern oscillation and Modoki mode and their impacts on New York State climate
(University of Missouri--Columbia, 2020)
The El Nino Southern Oscillation (ENSO) has long been an influential climate and weather driver for many regions. Many studies have examined the variability of the phases of ENSO, leading to discovery of a separate mode ...
Exploring educational values of deliberative pedagogy as a means of climate change communication
(University of Missouri--Columbia, 2020)
Climate change is a major obstacle facing the world today, impacting the environment and communities across the globe. With rising greenhouse gas emissions and subsequent rising surface temperatures, evidence shows that ...
Using soil moisture as a predictor for spring convection within the state of Missouri
(University of Missouri--Columbia, 2020)
Previous studies have shown that increased soil moisture can affect the overlying water vapor in the atmospheric boundary layer (ABL), potentially moistening this layer. Increased buoyancy can create more turbulence and ...
Habitat use and distribution of lithophilic spawning and riffle fishes in the East Fork Black River
(University of Missouri--Columbia, 2020)
Freshwater streams are dynamic ecosystems that house diversity of taxa adapted to and dependent on habitat characteristics these flowing systems. Conservation of these ecosystems, requires an understanding of the abiotic ...
Effect of climate change, drought, and insects on oak-pine forests in the Ozark highlands
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI--COLUMBIA AT REQUEST OF AUTHOR.] Oak-dominated forests in the Ozarks Highlands of Arkansas and Missouri have been suffering severe oak decline and this became a chronic ...
Northern bobwhite brood ecology and population dynamics in southwest Missouri
(University of Missouri--Columbia, 2020)
Northern bobwhite (Colinus virginianus) have experienced widespread, long-term population declines. Bobwhite populations in Missouri have declined 2.7% annually between 1966 and 2015, and 3.5% annually between 2005 and ...
Evaluating phytochemical contributions to atrazine degradation
(University of Missouri--Columbia, 2020)
Surface water contamination from the herbicide atrazine (2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine) has been a concern for many years. The use of vegetated buffer strips (VBS) is known to improve water quality ...
Factors influencing practitioner adoption of agroforestry : a USDA SARE case study
(University of Missouri--Columbia, 2020)
Agroforestry practices offer a compelling alternative to conventional agriculture as they provide a broad range of economic, ecological and social benefits. Despite its' recognized potential, on-the-ground adoption of U.S. ...
Investigating denitrification from two Missouri claypan soils
(University of Missouri--Columbia, 2020)
Denitrification in agricultural soils is responsible for a majority of anthropogenic nitrous oxide (N2O) production, and N2O is a major greenhouse gas with a global warming potential [approximately] 300 times that of carbon ...
Assessment of a voluntary nonlead ammunition outreach program on midwestern national wildlife refuges
(University of Missouri--Columbia, 2020)
Lead exposure from spent hunting ammunition affects wildlife populations, human health, and poses challenges to natural resource management. In addition to existing data on this topic spanning [greater than] 100-years, ...
Effects of large fires on boreal forests of China : historical reconstruction and future prediction through landscape modeling
(University of Missouri--Columbia, 2020)
Boreal forests of China store about 350 Tg tree biomass carbon, which is approximately 24–31 [percent] of the total forest carbon storage in China, and thus, play an important role in maintain national carbon balance. ...
Using DCIN and DCAPE to evaluate severe surface winds in the case of elevated convection
(University of Missouri--Columbia, 2020)
A series of case studies were analyzed using the ratio between the downdraft convective available potential energy (DCAPE) and the downdraft convective inhibition (DCIN). The hypothesis is that with a ratio |DCIN/DCAPE| ...
Identification and characterization of health-promoting benefits and bioactive molecules in black walnuts (Juglans nigra l.) and waste materials from agroforestry systems
(University of Missouri--Columbia, 2020)
Black walnut (Fagales: Juglandaceae; Juglans nigra L.), known as eastern black walnut or America walnut, is one of the most economically valuable hardwood species and a high value tree for edible nut production in the ...