Index Catalog // ScholarsArchive@OSU

A steady-state model of ecological hierarchy

Creator:: Thompson, Grant Garrison
Abstract:: A generalized mathematical model of ecosystems is developed. The model begins with the general class of systems known as state-determined systems, in which the time-derivative of each state variable is a function of some subset of the set of all system state variables and .environmental parameters. A formal basis is...
Resource Type:: Dissertation
Full Text:: , natural resource economics, and organismic systems theory. A Steady-State Model of Ecological

Economics of integrated pest management : an interpretive review of the literature

Creator:: McCarl, Bruce A., Oregon State University. Department of Agricultural Economics, International Plant Protection Center, and Oregon State University. Agricultural Experiment Station
Abstract:: Published August 1981. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: ragwort) in Oregon. Economics of Integrated Pest Management • an interpretive review of the literature

A theoretical framework for economic fishery management

Creator:: Thompson, Grant Garrison
Abstract:: A theoretical framework for economic fishery management was developed. Extensive isocline analysis of a general fishery model yielded a detailed look at the possible equilibrium behavior of a system that was allowed to vary in terms of the levels of its environmental parameters, its composition, and the response functions governing...
Resource Type:: Masters Thesis
Full Text:: A Theoretical Framework for Economic Fishery Management

The nature of home economics curriculum in secondary schools

Creator:: Baldwin, Edith E.
Abstract:: As with other areas of the curriculum home economics tends to respond to the objectives of powerful interest groups rather than to the work of recognized scholars and the ideals of democracy. The philosophical orientation of this study is derived from the work of Jurgen Habermas, a dominant figure in...
Resource Type:: Dissertation
Full Text:: The nature of home economics curriculum in secondary

Economics of spraying big sagebrush communities of eastern Oregon

Creator:: Schmisseur, Ed, Miller, Richard, and Oregon State University. Agricultural Experiment Station
Abstract:: Published June 1980. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: '/ C . A^ '■ / i;' / ."/^ Economics of Spraying Big

Influences of tillage system, climate, and soils on the demand for topsoil in northcentral Oregon wheat production

Creator:: Hanrahan, Michael S.
Abstract:: Soil erosion research in the fields of agronomy, soils science and mechanics, agricultural engineering, hydrology, climatology, and other scientific disciplines has economic dimensions. In general, measurable and, at times, significant economic effects are associated with the effects of erosion in the other disciplines. Interactions between climate, soils, hydrology, and tillage...
Resource Type:: Dissertation
Full Text:: . Regardless of tillage system or ecological circumstances, the economic worth of each added soil increment

Multi-fishery activity in Oregon commercial fishing fleets : an economic analysis of short-run decision-making behavior

Creator:: Carter, Christopher Norton
Abstract:: Growing demand for limited quantities of fish has led to systematic planning for the conservation and management of U.S. fishery resources. There is a need for better understanding of the complex biological and social environment on which regulation for conservation, social, and economic purposes is imposed. The behavior of commercial...
Resource Type:: Dissertation
Full Text:: from a fishery, as modified by any relevant economic, social, or ecological factor. An FMP is

The economic effects of air pollution on agriculture : an interpretive review of the literature

Creator:: Adams, Richard M., Ledeboer, M. V., McCarl, Bruce A., and Oregon State University. Agricultural Experiment Station
Abstract:: Published January 1984. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: economics, Oregon State University. ABSTRACT The purpose of this document is to provide an economic

Biology, distribution and economic threshold of the strawberry root weevil, Otiorhynchus ovatus (L.), in peppermint

Creator:: Cacka, Joseph Francis
Resource Type:: Masters Thesis
Full Text:: emphasize the economic and ecological importance of justifying pesticide use. The term "economic injury

An economic evaluation of on-farm strategies for reduction of nitrate groundwater pollution : the case of irrigated production in the Columbia basin

Creator:: Johnson, Scott Lee
Abstract:: Technological advances in agricultural production over the past 40 years have contributed to the high standard of living enjoyed by many in the United States. Extensive use of chemicals to enhance yield and improve crop quality has played a major role in creating this highly productive U.S. agricultural system. Increased...
Resource Type:: Dissertation
Full Text:: of Doctor of Philosophy in Agricultural and Resource Economics presented on October 24. 1989. Title

ScholarsArchive@OSU

A steady-state model of ecological hierarchy

Economics of integrated pest management : an interpretive review of the literature

A theoretical framework for economic fishery management

The nature of home economics curriculum in secondary schools

Economics of spraying big sagebrush communities of eastern Oregon

Influences of tillage system, climate, and soils on the demand for topsoil in northcentral Oregon wheat production

Multi-fishery activity in Oregon commercial fishing fleets : an economic analysis of short-run decision-making behavior

The economic effects of air pollution on agriculture : an interpretive review of the literature

Biology, distribution and economic threshold of the strawberry root weevil, Otiorhynchus ovatus (L.), in peppermint

An economic evaluation of on-farm strategies for reduction of nitrate groundwater pollution : the case of irrigated production in the Columbia basin

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