| Papers [97-108] of 357 :: [Page 9 of 30] | | Go to page : <— 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 —> | |
|
|
Hydraulic Conductivity, 2005. A research paper that analyzes hydraulic conductivity. 1,389 words (approx. 5.6 pages), 7 sources, APA, $ 46.95 »
Click here to show/hide summary
Abstract This paper provides an overview of hydraulic conductivity, how it is measured, and why it is important for transient storage. A review of current issues in hydraulic conductivity is followed by a summary of the research in the conclusion.
From the Paper " In 2003, Thomas, Valetta, Webster and Mulholland (2003), reported they had developed the Regression Partitioning Method (RPM) for estimating the proportion of reactive solute uptake occurring within transient storage zones of streams. "The RPM is a technique for analyzing solute addition data in which whole stream uptake (mg m−2 d−1) is determined from the longitudinal pattern in plateau tracer concentrations. At one location, a time series of samples are collected that define the 'rising limb' of the solute breakthrough curve" (Thomas et al. 965). These researcher estimated the y-intercept by regressing a measure of reactive tracer availability (e.g., NO3-15N:Cl ratio) as well as the percentage of tracer that has resided within, and returned from, the transient storage zone (i.e. hyporheic zone), which was then used to predict channel-specific NO3 uptake rates. The uptake within the transient storage zone of stream-derived material was calculated by difference."
| |
|
Impacts of Nitrogen and Phosphorus Flux, 2005. An analysis of the impacts of nitrogen and phosphorus glux from sediments in a small pond. 4,062 words (approx. 16.2 pages), 16 sources, APA, $ 109.95 »
Click here to show/hide summary
Abstract This paper presents a research proposal that will confirm that sediments of the small pond discussed in the paper, like larger bodies of water, will contain significant amounts of P and N, and that these sediments will be one of the sources responsible for the increasing incidence of eutrophic or hypereutrophic in the nation's systems of ponds, rivers, lakes and streams.
From the Paper "Over the millennia, water has provided humankind with numerous products and services, including transportation, food, drinking water, irrigation, recreation, and protection. Unfortunately, the world's lakes, rivers, and oceans have also been used as a dumping ground for by-products of industrial development and residential refuge. Until recently, however, there was very little attention was paid to water quality (Faeth & Greenhalgh, 2001). Today, the contamination of natural waters such as ponds, lakes, and rivers by anthropogenic organic chemicals has assumed major importance for environmental protectionists. A number of studies over the years have documented how many synthetic organic compounds, although applied or introduced to confined locations, tend to become widely dispersed even to the "ends of the earth" (Schwarzenbach, Haderlein, Muller & Ulrich, 1998). Today, the diffuse loss of phosphorus (P) from agricultural land is generally regarded as a major contributor to eutrophication of fresh water, and there has been a significant increase in research into this issue recently (Fertilizer Applications Influence Phosphorus Runoff, 2004)."
| |
|
Agricultural Economics, 2004. An analysis of the issues concerning agricultural economists for the future. 867 words (approx. 3.5 pages), 4 sources, MLA, $ 30.95 »
Click here to show/hide summary
Abstract There are several areas of concern for agricultural economists, when they look towards the future. Some of these areas of interest are nutrition & health, the possibility of using food products for other uses than consumption and genetic adaptation of crops. However, three major interests of agricultural economists are the supply of food available, farm productivity and profits and agriculture production that will be friendly to the environment. This paper discusses these issues.
From the Paper "The first consideration in food security is the rising temperatures of the world. According to Lester Brown, the "16 warmest years since record-keeping began in 1880 have occurred since 1980. With the three warmest years on record-1998, 2001 and 2003-coming in the last five years, crops are facing unprecedented heat stress" (Brown 1). The heat stress on plants globally impacts evaporation and impedes fertilization, leading to production of fewer crops. Fewer crops will lead to increased prices in food, particularly for countries that import much of their food, principally grain."
| |
|
Bio-Engineered Crops, 2004. An examination of the developing field of genetically modified crops. 1,005 words (approx. 4.0 pages), 4 sources, MLA, $ 35.95 »
Click here to show/hide summary
Abstract This paper discusses genetic modification (GM) farming and analyzes the problems associated with the use of genetically modified food crops by a study of some recent scientific articles, which espouse this viewpoint. The paper contends that the rapid advancements in genomic science have created new possibilities in the fields of agriculture and in the treatment and management of diseases. The biotech revolution characterized by genetically engineered food products is regarded as a boon to the human society, a life-saving solution to manage the food crisis of our globe.
From the Paper "Altering specific sequences of DNA allows plants to develop resistance to pesticides, resulting in increased yield. Using genetic engineering methods such as electroporation, gene gun, gene silencing and vector mediated transfer, scientists are now able to insert a new gene or control the expression of an already present gene in a plant. [UCS] In a special report from the 'New scientist' the author discusses some of the possibilities of applying genomic science into farming practices. Using these biotech processes scientists have created disease and herbicide resistant crops promising huge increase in productivity. The result of this biotech revolution was amazing. Vitamin boosted rice, Onions without tears, potatoes enriched with proteins, Soya built resistant to pesticides, and even caffeine free coffee became a reality and bio-engineered products offered endless possibilities."
| |
|
Malaria in Sub-Saharan Africa, 2004. An analysis of malaria in Sub-Saharan African countries and the methods used to control the spread of the disease. 8,901 words (approx. 35.6 pages), 27 sources, MLA, $ 186.95 »
Click here to show/hide summary
Abstract This paper discusses the occurrence of malaria in Sub-Saharan Africa. The paper reviews the first program to control the spread of malaria in Sub-Saharan African countries that started in the 1920's with larval restraint. The governments in Sub-Saharan Africa have encouraged policies that target the destruction of the mosquitoes that cause this disease, since reliable means to contain this disease are out of their reach. These policies have paved way for excessive utilization of man-made insect-killers, mainly dichlorodiphenyl trichioroethane (DDT). This man-made insect-killer is said to possess extreme side affects to both the environment and the human life. The paper examines the reasons that have triggered the developed world to ban the use of DDT and explores the attempts to influence Third World countries to also take the initiative to ban the use of DDT. The paper demonstrates that malaria entails exceedingly important economic expenditures on Sub-Saharan African countries.
Outline
Executive Summary
Background of the Study
Statement of the Problem
Purpose of the Study
Significance of the Study
Research Questions
Review of the Literature
Malaria Incidence in Sub-Saharan Africa
Age and Gender Analysis of Malaria Cases
Financial Expenses of Malaria Treatment
Malaria Prevention and Control in Sub-Saharan Africa
Pertinent Foundation
DDT is Necessary to Control Malaria
Abolishing the Use of DDT
Function of the World Health Organization
Influence of International Policies
Methodology
Collection of Data
Data Analysis and Search Tactics
Discussion
Conclusion
From the Paper "It is common knowledge that malaria is the world's most lethal bloodsucking infection. Malaria takes life from more people than any other infectious virus, apart from tuberculosis (TB). Despite the fact that the geological region influenced by malaria has reduced drastically in size in the preceding five decades, restraining Malaria has turned out to be extremely difficult, in fact impossible, and the efforts and improvements by the respective governments have been wasted.
The infection is passed on by Anopheline mosquitoes, the figure and kind of which establish the degree of flow in a specified region. Augmented threat of the infection is related with transformations in the utilization of land concerning actions like highway construction, mining, logging, as well as, farming and irrigation ventures, predominantly in border regions like the Sub-Sahara Africa. One of the cures for this ailment that has been extremely useful is the utilization of DDT."
| |
|
Genetically Modified Foods, 2005. A look at the pros and cons of using genetically modified foods. 1,026 words (approx. 4.1 pages), 6 sources, MLA, $ 36.95 »
Click here to show/hide summary
Abstract This paper examines how one of the ways scientists have discovered how to increase food supply for a growing planet is by using genetic modification techniques to produce heartier, healthier, and more abundant crops. It analyzes whether they are safe for human consumption and the environment. The writer shows how there are differing opinions on both of these questions.
From the Paper "Crops can also be modified to deliver medicines and vaccines. Pharmaceuticals are often costly to produce and require special storage conditions. Third world countries could benefit greatly from edible vaccines in plants such as tomatoes or potatoes. These medicinal vegetables would be ?easier to ship, store and administer than traditional injectable vaccines? (Whitman, 2000). ?In trials, crops have been genetically engineered to manufacture proteins for healing wounds and treating conditions such as cystic fibrosis, cirrhosis of the liver and anemia; antibodies to fight cancer and vaccines against rabies, cholera and foot-and-mouth disease? (Pearce, 2004). Scientists have even made it possible for livestock, such as cattle, to contain omega-3 oils, known to prevent heart attacks, without the use of expensive fishmeal feed (Coghlan, 2004)."
| |
|
Concentrated Animal Feeding, 2004. This paper discusses concentrated animal feeding operations (CAFOs) for swine and the environmental and human health hazards typically associated with such practices. 845 words (approx. 3.4 pages), 6 sources, APA, $ 30.95 »
Click here to show/hide summary
Abstract This paper explains that recent changes in swine-management practices, concentrated animal feeding operations (CAFOs), have resulted in a growing controversy surrounding the environmental and public health effects of modern swine production. The author points out two problems in swine-management practices, including an increase in health hazards because of the confined spaces, and public relations problems for the industry, particularly in the communities immediately situated near such facilities. The paper relates that the industry deal with these issues by using sound environmental health practices in the workplace and by providing anaerobic lagoons to help remediate the large amount of biological wastes that are inevitably generated at such CAFOs.
Table of Contents
Introduction
Review and Discussion
Background and Overview
Environmental and Health Hazards Associated with CAFOs for Swine
Current and Future Trends
Conclusion
From the Paper "During the last half of the 20th century, agricultural growth and development in the United States has become more closely linked to a wide range of social and environmental problems. Partially because of the industrialization of farming and food production, soil and water resources have been degraded, wildlife habitats have been destroyed, and rural communities have been dissolved and uprooted.The scale, mechanization, specialization, capital-intensity, and chemical-intensity of agricultural production have dramatically increased, with the result that large agribusinesses and individual farm operators have come under greater environmental scrutiny associated with the broader ?greening? of public opinion since 1970."
| |
|
The Coffee Industry, 2005. A detailed report on the economic, political, geographical aspects of the coffee industry. 5,003 words (approx. 20.0 pages), 26 sources, MLA, $ 126.95 »
Click here to show/hide summary
Abstract This paper begins with a brief look at the history and varieties of coffee and then takes a deeper look at how important coffee is to the economies of the countries in which it is grown. The paper lists the main countries where coffee is grown and then looks at the coffee industry in each of those countries from an economic perspective. The paper also describes the types of processing and supply chain management typically used in the coffee industry, as well as how coffee is marketed in both domestic and international markets.
Introduction
Importance of Coffee
Brazil
The Ecuadorian/Amazon Region
Other Countries
Process/Supply Chain
Marketing and World Trade
From the Paper "According to legend the origins of the coffee industry began when an Arabian goatherd named Kaldi found that his goats reacted strangely around a certain green-leafed bush with red cherries. He ascertained that the excitement exhibited by the goats was due to the effects from eating these cherries. He also consumed some of the fruit and felt ?invigorated?; later monks were said to have benefited from the plants qualities to help them stay awake during their long hours of prayer. Whether this story has any basis in fact is unknown but what has been determined is that Coffea Arabica originates from Ethiopia. The plant was cultivated by the Oromom people in the Kafa Province of the country. Arab traders are said to have transported seeds and grew plantations in about 1000 A.D. (Coffee, FAO)"
| |
|
Green Tea vs. Black Tea, 2004. An analysis of green and black teas and their potential health benefits. 2,660 words (approx. 10.6 pages), 20 sources, MLA, $ 79.95 »
Click here to show/hide summary
Abstract This paper discusses this differences between green and black tea and explores the positive effects these teas can have on various diseases. The paper examines the composition of the various teas, explaining the different chemical compositions. The paper analyzes several studies performed in an attempt to establish a connection between tea consumption and the occurrence of cancer.
From the Paper "Despite the success of such business concerns as Starbucks, it is tea and not coffee that ranks as the world?s most popular drink next to water. This much-loved beverage is produced from the bright green, oval leaves of the plant Camellia sinensis L. Today, about 75 percent of the tea produced worldwide is black; about 23 percent is green; and approximately 2 percent is oolong. Green tea is obtained from fresh leaves that are steamed and dried and therefore retain a composition more similar to the fresh leaf. The leaves contain several polyphenolic compounds that give tea its specific taste and color. The most significant polyphenols present in tea are flavanol tannins (flavonoids), commonly known as catechins, which are very beneficial antioxidants. Antioxidant is a classification of several organic substances, including vitamins C and E, vitamin A--converted from beta-carotene?the mineral selenium and carotenoids or pigment that adds color to many fruits and vegetables. At the molecular and cellular levels, antioxidants deactivate particles called free radicals (in the form of oxygen). These can damage cell walls in addition to some cell structures and the genetic material within them."
| |
|
The Industrial Revolution, 2005. A look at what triggered and sustained the transformation of an agriculture-based economy to an industrial-based economy. 1,752 words (approx. 7.0 pages), 6 sources, APA, $ 56.95 »
Click here to show/hide summary
Abstract This paper explores the causes of the Industrial Revolution, suggesting that the primary cause was the occurrence of an ?Agriculture Revolution? in Britain in the century following 1750. In exploring this topic, the paper also describes the causes and outcome of the Agricultural Revolution, features of the Industrial Revolution, the social consequences of the Industrial Revolution, as well as Karl Marx's and Emile Durkheim?s theories about the Industrial Revolution.
From the Paper "Most historians are in agreement that the Industrial Revolution in Great Britain following mid 1700s could not have been sustained if enough food was not available to feed the country?s rapidly growing population during the period . On all previous occasions of rapid population growth in the country?s history, i.e., in the Roman period, around 1300, and in 1650, lack of sufficient food for a population larger than 5~6 million, had proved a stumbling block for further population growth. However, the mid-eighteenth century saw a number of developments in agriculture that enabled sufficient growth in agricultural output to support a much larger population. These developments and the resultant growth in the output of food crops can be considered as nothing short of an ?Agricultural Revolution.? (Overton, 2002)"
| |
|
Agricultural Economics, 2004. An analysis of agricultural economics, with a focus on the world's food supplies. 867 words (approx. 3.5 pages), 4 sources, MLA, $ 30.95 »
Click here to show/hide summary
Abstract This paper examines several areas of concern for agricultural economists when they look towards the future. Some of these areas of interest are nutrition and health, the possibility of using food products for uses other than consumption, and genetic adaptation of crops. However, the paper highlights three major interests of agricultural economists, the supply of food available, farm productivity and profits, and agriculture production that will be friendly to the environment.
From the Paper "The availability of food supplies in the world is a primary interest and concern for agricultural economists. In an article by Lester Brown, he compares our use of the natural resources to the use of an endowment, which we have now started to utilize in addition to the interest and this leads to bankruptcy. He states, ?By satisfying our excessive demands through overconsumption of the Earth?s natural assets, we are in effect creating a global bubble economy? (Brown 1). Several issues impact the concern of the world?s food supply."
| |
|
New Deal Regulation and Farm Productivity, 2004. This paper reviews Sally Clarke?s article, ?New Deal Regulation and the Revolution in American Farm Productivity,? which states that this regulation in the 1930s made possible the acquisition of labor-saving farm machinery. 725 words (approx. 2.9 pages), 1 source, MLA, $ 25.95 »
Click here to show/hide summary
Abstract This paper explains how the New Deal eliminated earlier concerns and conflicts between safety and productivity. The author states that this article recognizes the roles of the Civilian Conservation Corps (CCC) and the Farm Credit Administration (FCA) in the farmers? investment strategy and that the economic impact of government regulation interfered with market forces in ways that did not always benefit the economy of the country. The paper concludes, in terms of history, that the article shows that the past needs to be taken into account for both its successes and its failures, if things are to move forward in a significant way.
From the Paper "Clarke makes several points to advance her argument. Firstly, she points out that high sales figures for tractors starting in World War I may be misleading, as they do not focus on the farmers who might potentially have bought tractors and did not. When calculating the relative number of farmers potentially benefiting from purchasing tractors, Clarke finds that fewer farmers in the Corn Belt than expected owned tractors in 1929. This advances the argument that economic factors led to reluctance to invest in new technology during this time. The author further reinforces the point by citing the farmers? tendency to protect assets due to the instability of commodity markets."
|
|
|