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Articles 1 - 10 of 10
Full-Text Articles in Life Sciences
An Armington Model Of The U.S. Demand For Scallops, Fuzhi Cheng
An Armington Model Of The U.S. Demand For Scallops, Fuzhi Cheng
Electronic Theses and Dissertations
The supply of scallops in the United States in recent years has remained relatively stable and the supply source has shifted noticeably from domestic production to imports, especially from China and Japan, where aquaculture production of scallops has been successful. During the past decade, the market share of imported scallops has increased drastically. The scallop fishery in the U.S. is now facing potential competitions from imports. Continuing efforts to provide information on the effect of increasing imports on the U.S. scallop market is warranted. In addition, the impacts of supply increases on domestic scallop prices, either through wild stock enhancement …
Public Conservation Land And Economic Growth In The Northern Forest Region, David Lewis
Public Conservation Land And Economic Growth In The Northern Forest Region, David Lewis
Electronic Theses and Dissertations
Environmental issues frequently revolve around a perceived tradeoff between the economy and the environment. In the Northern Forest region, one of the most important environmental policy issues of recent years has been the ownership of vast stretches of undeveloped forestland. Specifically, the possibility of increasing public conservation ownership on these lands has emerged. Opponents of conservation lands often argue that employment will decline significantly when land is diverted from commodity-oriented uses such as forest products production. Proponents of conservation lands frequently cite the amenity benefits of conservation lands and the potential to diversify and stimulate the economy by designating more …
Influence Of Fermentation And Cowpea Steaming On Some Quality Characteristics Of Maize-Cowpea Blends, Samuel Sefa-Dedeh, Yvonne Kluvitse, Emmanuel Ohene Afoakwa
Influence Of Fermentation And Cowpea Steaming On Some Quality Characteristics Of Maize-Cowpea Blends, Samuel Sefa-Dedeh, Yvonne Kluvitse, Emmanuel Ohene Afoakwa
Professor Emmanuel Ohene Afoakwa
Fermentation and cowpea steaming can be used to improve the protein quality and quantity of fermented maize dough. In the production of maize-cowpea blends, it is important that the quality characteristics are evaluated to determine their functionality in the products. A 5x4x2x2 factorial experiment with cowpea level, fermentation time, cowpea steaming time and fermentation method as the variable was performed. The cowpeas were dehulled, steamed, dried at 65EC for 24 hours and milled into flours. Maize was soaked in water (18 hours), drained and milled into flour. The maize-cowpea blends were made into a 50% moisture dough, fermented for the …
Method For Determining Oxidation Of Vegetable Oils By Near-Infrared Spectroscopy, Gulgun (Yildiz) Tiryaki
Method For Determining Oxidation Of Vegetable Oils By Near-Infrared Spectroscopy, Gulgun (Yildiz) Tiryaki
Dr. Gülgün YILDIZ TIRYAKI
No abstract provided.
Chemical Composition And Quality Changes Occurring In Dioscorea Dumetorum Pax Tubers After Harvest, Emmanuel Ohene Afoakwa, Samuel Sefa-Dedeh
Chemical Composition And Quality Changes Occurring In Dioscorea Dumetorum Pax Tubers After Harvest, Emmanuel Ohene Afoakwa, Samuel Sefa-Dedeh
Professor Emmanuel Ohene Afoakwa
Studies were conducted on the chemical composition, as well as the biochemical and textural changes, occurring during storage of two cultivars of Dioscorea dumetorum yam tubers. The tubers were harvested and stored under tropical ambient (28_C) and cold room conditions (4_C) for 24, 48 and 72 h. The samples were evaluated for moisture, starch, sugars, fibres and textural properties. Chemical analysis showed no significant differences between the means obtained for moisture, ash, protein, fibre, fat, carbohydrate, calcium, phosphorus, iron, vitamin A and vitamin C contents of the cultivars (white and yellow) studied. During storage, moisture contents decreased by approximately 6–10% …
Ecological Sustainability For Pastoral Management, Hugh Pringle, Ken Tinley
Ecological Sustainability For Pastoral Management, Hugh Pringle, Ken Tinley
Journal of the Department of Agriculture, Western Australia, Series 4
Pastoralists and rangeland bureaucracies are now required to operate within the limits of ecological sustainability. However, while the concept of ecological sustainability has been enshrined in law and policy at State and Commonwealth levels in Australia, there has been little translation into pastoral management objectives. The introduction of the 'EMU (Ecosystem Management Unit) process', as an equal partnership between ecologists and pastoralists, promises to bring pastoralists into close dialogue with the landscapes they manage on their stations, and to acknowledge and manage for values other than pasture production. In doing so, pastoralists are likely to increase production, reduce costs, and …
Livestock Production Costs Of Small Ranches On The Central Altiplano, Alfredo Benito Lopez
Livestock Production Costs Of Small Ranches On The Central Altiplano, Alfredo Benito Lopez
Theses and Dissertations
One of the more important economic activities in the Altiplano region is raising livestock, the exploitation of cattle, sheep, and llamas which are raised and adapted to the conditions surrounding this activity. Livestock production plays a fundamental role in the economy of farming families by providing them products such as meat, milk, cheese, fiber, skins, and other products that each translate into monetary revenues. The present study was carried out in the community of "Chama 6 de julio," Ingavi Province, Department of La Paz, about 83 km. (51.6 miles) outside of La Paz at an elevation of 3,792 m. (12,440 …
Certification And Labeling Of Forest Products: Will It Lead To More Environmentally Benign Forestry In Maine?, Mario F. Teisl, Stephanie Peavey, Kelly O’Brien
Certification And Labeling Of Forest Products: Will It Lead To More Environmentally Benign Forestry In Maine?, Mario F. Teisl, Stephanie Peavey, Kelly O’Brien
Maine Policy Review
From a supply and demand point of view, the trend toward forest-products certification appears simple: some retail consumers may prefer to buy products from forests managed in an environmentally sound way while some forest owners may be willing to alter their management practices in order to sell to these consumers. However, as the authors indicate, the issue of communicating to consumers the degree of “environmental good” being purchased can be complicated and may be a factor affecting the long-term success of certification programs. The authors present the results of a recent survey that assessed the use of two types of …
Analysis Of A Mixed Cereal Of Legumes That Processes Similar Nutritional Characteristics To A Cereal Product Of Local Consumption And Its Economic Feasibility, Willy Ivan Anzaldo Garcia
Analysis Of A Mixed Cereal Of Legumes That Processes Similar Nutritional Characteristics To A Cereal Product Of Local Consumption And Its Economic Feasibility, Willy Ivan Anzaldo Garcia
Theses and Dissertations
In this analysis, we plan on developing vegetable mixes with high nutritional qualities and instant fuel consumption. These are to be used as a nutritional supplement in the feeding of children from 6 months of age. Initially, I selected the raw material, due to its high protein content and low cost (soy, tarhui, Cuban corn, rice, wheat, barley). They formed mixes with nutritional characteristics similar to the control for reference (15.5% of protein, 419 kcal of energy). From these formulas, different tests of completed production of mixtures, going so far as to obtain eight mixes with good nutritional and organoleptic …
Forest Dynamics In Flood Plain Forests In The Peruvian Amazon: Effects Of Disturbance And Implications For Management, Gustav Nebel, Lars Peter Kvist, Jerome K. Vanclay, Hector Vidaurre
Forest Dynamics In Flood Plain Forests In The Peruvian Amazon: Effects Of Disturbance And Implications For Management, Gustav Nebel, Lars Peter Kvist, Jerome K. Vanclay, Hector Vidaurre
Professor Jerome K Vanclay
Forest dynamics were studied from 1993 to 1997 for individuals > 10 cm DBH in nine 1 ha permanent sample plots. They were established in natural flood plain forests located on the lower Ucayali river in the Peruvian Amazon. After inventories of three plots in each of three forest types, a light and a heavy felling treatment were applied to each of the two plots, while a third plot was kept untreated. Average annual stem mortality and recruitment rates in the untreated plots were among the highest observed in neotropical rain forests: mortality 2.2-3.2% per year, recruitment 3.0-4.6% per year. Dead …