Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 98 for “"population decline"”.
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Analysis of Seoul Apartment Prices during Population Decline Era
Since the early 2020s, South Korea has faced a population decrease due to the lowest birth rates globally, but the apartment prices in capital regions covering Seoul, capital city of South Korea and Gyeonggi-do, have ironically shown a consistent upward trend. This thesis explores the persistent …
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Population decline or power disparity? Explaining changes in school accessibility in Chicago
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms
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Population Size of Blue-footed Boobies in Galápagos: Evaluation of Indications of Population Decline
… in Galápagos, Ecuador from 2011-2012 indicated a population reduction, probably by more than 50%. Anthropogenic effects such as introduced predators are unlikely to explain this decline, because islands with and without such factors exhibited the same low breeding. The poor reproduction seems to …
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SPATIAL AND TEMPORAL TRENDS IN RANGE-USE BY THE BATHURST CARIBOU DURING A POPULATION DECLINE, 1997-2019
… herd of Northwest Territories and Nunavut declined by 98% between 1986 and 2019; from an estimated population of 470,000 animals to just 8,200. Although caribou herds are known to fluctuate greatly between high and low populations, the recent population low has raised fears that this herd …
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A model to understand population decline of the Devil's Hole pupfish (Cyprinodon diabolis) and support habitat management decisions
… stabilize the water level in Devil's Hole, the population of the Devil's Hole Pupfish showed slight but steady increase from the 1970s until the mid-1990s when the population began a steady deCline In this study I developed a system dynamics model to help the Devil's Hole Pupfish Recovery Team …
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The population structure of wild Scottish brown trout (Samo trutta L.1758) of Loch Maree, Wester Ross: spatial genetic distribution after population decline
The wild trout of Loch Maree is an understudied population that recently experienced a population decline after once having a world status for its sea trout fisheries. Tissues and specimens sampled over the last decade exist in archives and have yet to undergo population genetic analysis. This …
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The struggle for vibrancy : a study of local government intervention in Detroit's inner suburbs
… governmental capacity, commercial disinvestment, population decline, poverty, failing schools, and racial and ethnic tensions. These challenges are compounded by growing fiscal difficulties fueled by shrinking revenues and increasing costs. This thesis asks what strategies an inner suburban …
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Spring Migration Ecology of American Woodcock (Scolopax minor) in the Central Management Region of the United States
… (Scolopax minor) is a migratory game bird in population decline since the start of monitoring in 1968. Researchers are interested in gaining knowledge of spring migration ecology to improve migration habitat and mitigate population decline. I captured six woodcock with mist and hand nets on …
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HURDLES TO JAPAN’S QUEST FOR SELF-PROCURED SECURITY
… Japan Self-Defense Forces (JSDF) at risk amid population decline and an aging population, or have adequate measures been put in place to address these challenges? This thesis seeks to explore the drivers underlying these two constraints on fully realized self-defense, such as long-rooted …
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Spatial and disease ecology of the plains spotted skunk
… range in the eastern U.S. due to a range-wide population decline that began in the 1940s. The reason for the decline remains unknown; a combination of factors, including habitat loss, disease, and overharvest, may have collectively led to the population decline. As a result, a subspecies of …
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Modernization and Health in Developing Countries: The Case of Brazil
Improved health, declines in mortality and morbidity and extension of life expectancy have all been positively associated with development in industrial countries within the last century, through improved nutrition, sanitation, better housing, improved conditions of work, income, education, public …
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Knowledge Production and Policy in the Arctic: The Political Ecology of the Thick-billed Murre
… three decades, however, the thick-billed murre population in Greenland has been facing a decline with some colonies being lost in Southwestern Greenland, which has become the focus of scientific research conducted by seabird biologists in Greenland. This research, and the recommendations made by …
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Habitat modelling and the ecology of the marsh tit (Poecile palustris).
… of woodland specialists have undergone a serious population decline in recent decades, for reasons that are poorly understood. The Marsh Tit is one such species, experiencing a 71% decline in abundance between 1967 and 2009, and a 17% range contraction between 1968 and 1991. The factors driving …
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Reproduction and establishment of two endangered African cedars, Widdringtonia cedarbergensis and Widdringtonia whytei
In this thesis I determine the effect of population decline on reproduction for two critically endangered African cedars. Widdringtonia whytei (Mulanje cedar) endemic to Mt Mulanje, in Malawi and Widdringtonia cedarbergensis (Clanwilliam cedar) endemic to the Cedarberg Mountains in the Western Cape …
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Food, Growth, and Reproduction of White Crappies (Pomixis Annularis) and Black Crappies (P. Nigromaculatus) in Lake Poinsett, South Dakota
… habits, food selectivity, growth, condition, and population structures of the white crappies (Pomoxis annularis) and black crappies (P. nigromaculatus) in Lake Poinsett, South Dakota, were studied from May, 1975, to May, 1976. The total food volume of 173 adult white crappies consisted of 59.0% …
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Status of the Ozark Hellbender (Cryptobranchus Alleganiensis Bishopi): a Long-Term Assessment
A global decline in amphibian populations has been noted by biologists since the early 1970's. There are two problems with documenting the decline of amphibian populations: natural fluctuations in population numbers and lack of long-term data. I censused populations of the long-lived Ozark …
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Ecology, conservation and management of the black lechwe (Kobus leche smithemani) in the Bangweulu Basin, Zambia
… belongs to the family reduncinae. Its current population is confined to the Bangweulu Basin in the northern Zambia. This research was undertaken to assess its current population status, the sex and age ratios, carrying capacity of the flood-plain where it occurs and its maximum sustainable …
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Lesser Scaup use of Wetlands in Eastern South Dakota
Long-term population and harvest data have shown that the continental population of lesser scaup (Aythya affinis) has been steadily declining, about 150,000 per year, over the past 20 years. Due to the temporal length of their population decline, scaup have received widespread attention by resource …
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Land reform and economic development : case study on Romania
… in the standard of living for the rural population, decline in real productivity, and lower production. Hence, one main conclusion is that the distribution of property rights in land is a necessary but not a sufficient condition for creating the basis for development. Redistribution of …
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