Open Access. Powered by Scholars. Published by Universities.®
- Discipline
Articles 1 - 4 of 4
Full-Text Articles in Life Sciences
The National School Lunch Program, Katherine M. Hadley
The National School Lunch Program, Katherine M. Hadley
Undergraduate Honors Capstone Projects
In 1946, President Harry Truman signed the National School Lunch Act which recently celebrated its 50th anniversary (1). It was established by congress "to safeguard the health and well-being of the nation's children" (2). The National School Lunch Program (NSLP) is a federally assisted meal program that is functioning in more than 94,000 public and nonprofit private schools. Lunches through the NSLP are served to more than 25 million school children each day.
Exploring The Structure And Function Of The Snf1 Kinase Gene In The Slime Mold Dictyostelium Discoideum, Bryan Donald Whitemarsh
Exploring The Structure And Function Of The Snf1 Kinase Gene In The Slime Mold Dictyostelium Discoideum, Bryan Donald Whitemarsh
Undergraduate Honors Capstone Projects
All organisms must respond to different environmental stresses. For unicellular organisms, the most important source of stress is starvation or nutrient depletion. These microscopic life forms must respond to a constantly changing food supply in which short periods of nutrient availability are interspersed with extended periods of famine. In addition to complete starvation, these organisms are affected by other chemical changes, such as forced switching from a desirable to a less desirable carbon source, and physical changes, such as heat shock. Many microorganisms respond to such stresses by entering a different phase of their life cycle. For example, the budding …
Grazing Systems As Management Tools To Meet Multiple Objectives, Lacy Nicole Hadley
Grazing Systems As Management Tools To Meet Multiple Objectives, Lacy Nicole Hadley
Undergraduate Honors Capstone Projects
Grazing systems have in the past been developed to increase or maintain livestock production without degrading the land (Archer and Smeins, 1991). A grazing system is a "specialization of grazing management which defines the periods of grazing and non-grazing" (Jacoby, 1989). However, these systems can be developed for other uses besides just livestock. Grazing systems can be used as management tools by manipulating vegetation in specific directions to meet desired objectives. This is done by the livestock themselves because they act as "ecosystem regulators" by having a direct impact on the vegetation (Holechek et al., 1995). Livestock can alter the …
Litter Decomposition And Nutrient Release Patterns In A Subalpine Forest In Northern Utah, Amber Denton Johnson
Litter Decomposition And Nutrient Release Patterns In A Subalpine Forest In Northern Utah, Amber Denton Johnson
Undergraduate Honors Capstone Projects
In the arid subalpine zone of the intermountain west it is common to see patchy forests interspersed with open meadows containing scattered clusters of trees referred to as tree islands. These tree islands are often composed of subalpine fir [Abies lasiocarpa (Hook) Nutt.] and Englemann spruce [Picea englemannii (Parry)]. In desert ecosystems, where lack of water is the most important factor limiting growth and nutrient dynamics, it is not unusual to see individual plants (especially in the shrub community) creating "islands of fertility", in which the plants collect nutrients by pumping them from deeper in the soil profile and redepositing …