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Browsing Electronic Theses and Dissertations by Title

Browsing Electronic Theses and Dissertations by Title

Now showing items 6905-6924 of 14045

Impacts of forest-to-agriculture conversion on aboveground and soil carbon and nitrogen stocks along a bioclimatic gradient in Costa Rica

Jobse, Judith C. (2008-09-25)

Tropical forest-to-agriculture conversions contribute to ~20% of contemporary global C emissions. Current global C flux estimates assume C is lost from vegetation and soils over time due to this conversion, and that C st ...
Impacts of fuel reduction thinning treatments on oak and chaparral communities of southwestern Oregon

Perchemlides, Keith A. (2006-06-02)

In response to concerns about excessive stand densities and high-severity wildfires, land managers in the western United States are carrying out extensive programs of fuel reduction thinning. How will these sudden redu ...
The impacts of government market intervention on weed control technology, income and employment : a case study of basic grain farms in El Salvador, Central America

Fonollera, R. E. (Raymundo E.) (1977-03-18)

El Salvador's land resources are intensively cultivated. Labor is relatively abundant and wages are low. This study analyzed the effects of government policies and observed farm price distortions on enterprise/weed co ...
Impacts of instream flows on the Colorado River Delta, Mexico : spatial vegetation change analysis and opportunities for restoration

Zamora-Arroyo, Jose Francisco (2002-10-07)

Until the 1930s, flows of the Colorado River maintained approximately 781,060 hectares of wetlands in its delta. These wetlands provided important feeding and nesting grounds for resident and migratory birds as well as ...
The impacts of logjam removal on fish populations and stream habitat in Western Oregon

Baker, Calvin Orville (1979-05-02)
Impacts of multispecies parasitism on coho salmon (Oncorhynchus kisutch) in Oregon

Ferguson, Jayde A. (2011-01-04)

Diseases caused by parasites are recognized as significant sources of mortality in wild fish populations. I assessed the impacts of multispecies parasitism on a threatened stock of juvenile coho salmon (Oncorhynchus kisu ...
Impacts of nursery processing on the survival, growth and physiology of 2+0 Douglas-fir seedlings

Darbyshire, Robyn Lea Willey (1982-07-01)

This study compared three nursery handling processes from the time just before lifting to the time seedlings are placed in cold storage after grading, sorting, and packing at the nursery. The seedlings handled in these d ...
Impacts of oysters on eelgrass (Zostera marina L.) : importance of early life history stages in response to aquaculture disturbance

Wisehart, Lorena Michelle (2006-06-12)

The importance of seagrasses (families Posidoniaceae, Zosteraceae, Hydrocharitaceae and Cymodoceaceae) to estuarine communities is widely accepted and this, combined with their continued decline throughout the world, h ...
Impacts of ponderosa pine forest restoration treatments on the ectomycorrhizal fungal community and fine root biomass in the Blue Mountains of Oregon

Smith, Jane E. (Jane Elizabeth) (2004-05-07)

Before the arrival of Euro-Americans, the inland Pacific Northwest was settled by native people whose frequent intentional burning of the landscape promoted open stands dominated by large fire-resistant ponderosa pine. ...
Impacts of post-fire salvage logging on soil chemistry, physical properties and bacterial community composition in a mixed-conifer forest in central Oregon

Jennings, Tara Nicolle (2008-12-09)

Land managers, scientists, and the interested public are confronted with uncertainty about the impacts of salvage logging on soil productivity. In recent years, stand-replacing wildfires in the western United States have ...
The impacts of social change in natural resource management : a central Oregon regional study

Sharp, Shalya B. (2005-03-16)

The sentiments expressed by Wells capture the fundamental nature of natural resource and land management in Deschutes, Jefferson, and Crook County, Oregon. Driven by the attraction and abundance of natural and scenic a ...
Impacts of the Internet on academic culture in Aceh, Indonesia

Daud, Darni M. (2000-05-01)

The adoption and increasing uses of the Internet in higher education in many parts of the world have resulted in fundamental changes in academic cultures. The transfer of information is essential to academic life, and ...
Impacts, standards, and perceived crowding on the Deschutes River : extending carrying capacity research

Whittaker, Douglas P. (1987-10-23)

In response to increasing recreation use, many resource managers have set use limits or carrying capacities in an attempt to protect the quality of experiences. These limits require definitions of quality which involv ...
Implementation and comparison of two wakeup logic for out-of-order superscalar microprocessors

Lee, Hsien-Yen (2002-08-22)

The wakeup logic in out-of-order superscalar microprocessors is responsible for resolving the data dependency hazard between instructions. Its performance is critical because it may prevent the processor to have deeper ...
An implementation and initial test of generalized radial basis functions

Wettschereck, Dietrich (1990-06-27)

Generalized Radial Basis Functions were used to construct networks that learn input-output mappings from given data. They are developed out of a theoretical framework for approximation based on regularization techniqu ...
Implementation and performance analysis of a scalable routing protocol

Venkatesan, Rudhrakumar (2003-01-24)

Ad Hoc networks are multi-hop wireless networks consisting of mobile hosts. They do not have any pre-existing network infrastructure and are characterized by constantly changing topology, limited battery power and band ...
Implementation and performance measurement and analysis of OLSR protocol

Sinky, Hassan Hussein (2010-03-18)

This paper provides a measurement-based performance evaluation of the Optimized Link State Routing (OLSR) protocol. Two versions of OLSR, OLSR-ETX and OLSR-ETT, are implemented and evaluated on a mesh network that we b ...
Implementation aspects of elliptic curve cryptography

Savaș, Erkay (2000-06-20)

As the information-processing and telecommunications revolutions now underway will continue to change our life styles in the rest of the 21st century, our personal and economic lives rely more and more on our ability t ...
Implementation of a gross anatomical maturity key for the study of spawning phenology and geography of Pacific cod (Gadus macrocephalus)

Neidetcher, Sandi (2012-07-30)

Pacific cod (Gadus macrocephalus) is an important species, both economically and ecologically in the Bering Sea and Aleutian Islands (BSAI). However, little is known about its spawning dynamics. To address this knowledge ...
Implementation of a high performance network node for a control oriented local area network

Rafi, Mohammed (1994-03-03)

TASKMASTER is an experimental microcontroller node of a real-time control oriented network which was proposed by James H. Herzog and Tinggui Zhang to demonstrate the feasibility of a task oriented control structure in ...