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Modelling farmland abandonment in the Regional Municipality of Ottawa-Carleton.Dirschl, Harold Brent, Carleton University. Dissertation. Geography. January 1992 (has links)
Thesis (M.A.)--Carleton University, 1992. / Also available in electronic format on the Internet.
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SECONDARY SUCCESSION OF ABANDONED FIELD VEGETATION IN SOUTHERN ARIZONAKarpiscak, Martin M. January 1980 (has links)
No description available.
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I skuggan av stormaktens sista krig : Inre förhållanden i den svenska militärstatens Jämtland under stora nordiska krigetSundberg, Markus January 2019 (has links)
This paper is focused on the consequences of the drawn-out conflict, known as ”the great northern war”, which lasted from the start of the 18th century up to 1721. More precisely the focus is at the economic situation facing the agrarian lower classes during these years, as well the nature in which their discontent presented itself. The study is restricted to one particular region of early-modern Sweden, Jämtland. The subjects that are examined are: - The amount of tax that were not paid or delivered to the proper authorities in time. - Contemporary depictions of the situation for the agrarian lower classes in Jämtland. - Taxes from earlier years yet to be paid.- Abandoned farms during the period. - Crop failures and their connection to the economic situation. - The so called ”everyday forms of resistance” in Jämtland as an expression of the people’s discontent towards the ruling figures in Stockholm – manifested against their local representatives. / <p>Betygsdatum 2019-06-13</p>
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Ecological succession on abandoned farmland and its relationship to wildlife production in Cumberland County, VirginiaByrd, Mitchell Agee January 1954 (has links)
Game management has been defined as the art of making land produce sustained annual crops of wild game for recreational use (Leopold, 1939). Game is a product of the land; thus the successful practice of game management is dependent upon the manipulation of the land so as to meet most adequately the needs of any animal species.
Natural habitats are constantly undergoing many changes in response to external influences. These changes are usually very slow but almost invariably take place in a series of integrating, but well defined steps when the pattern is unaltered by the activities of man. This sequence or plant changes has associated with it an animal population which is probably governed by floristic alterations. There are few quantitative data available on the relationship of these plant successional changes on the associated animal populations. Whereas the effect of plant succession on the animal population of a habitat is not susceptible to exact measurements, this effect probably may be measured in relative terms. In Virginia alone, an average of 50,000 acres of land has been abandoned each year for the past fifty years (United States Department of Commerce, Agricultural Census, 1950). In the state this represents approximately two and one half million acres of wildlife habitat which is in a state of dynamic change. Such abandoned areas may be among the more important wildlife producing areas 1n the state as the production of wildlife on such areas is not in conflict with agricultural or forestry interests and, therefore, may be given top priority in a game management program. On the 40,000 acres of the three state forests here in Virginia, large sums of money are spent annually on a wildlife management program and a majority of the activities under this program is devoted to the reclamation of abandoned areas or the holding of such areas at a stage of ecological succession so as to produce the maximum crop of wildlife. A similar wildlife management program is in effect on the approximately 1,500,000 acres in the two Virginia National Forests. In addition, there is a statewide farm game program sponsored by the Virginia Commission of Game and Inland Fisheries and a majority of work under this program also is concerned With holding ecological succession at a stage where game supposedly is produced in reasonable quantities.
Basic data on the influence of ecological succession on game populations are needed for these programs if they are to be carried out intelligently and effectively. It is the purpose of this project to attempt to supply such data. The primary objectives of the project were fourfold:
(1) To follow the trend of natural plant succession in abandoned areas in Cumberland County, Virginia in the Piedmont Region of the state,
(2) to determine the influence of natural plant succession on the cottontail rabbit and bobwhite quail on abandoned areas in Cumberland County, Virginia,
(3) to determine those stages in ecological plant succession which are best suited to the requirements of the cottontail rabbit and the bobwhite quail,
(4) to develop a basis for predicting the tenure of animal and plant species in areas in which natural succession is undisturbed.
A study or this nature should indicate the type of habitat changes which might be normally expected on abandoned land and the associated shifts in animal populations which may be concurrent with these habitat changes. If these successional data are accurately analyzed, they may indicate in general what has happened, is happening, or may be expected to happen on much of the approximately two and one half million acres of abandoned land in Virginia. This study was largely concerned with the trend or plant changes on abandoned land rather than with the underlying causes for these changes.
In addition to the primary objectives of the study, three secondary objectives were considered in this investigation in Cumberland County. These objectives were:
(1) To determine rabbit utilization of land use types other than abandoned land by means of trapping,
(2) to collect population data, age ratios, and call indices for the bobwhite quail and to attempt to relate these data to land use types,
(3) to determine small manal utilization of land use types other than abandoned land by means of trapping. / Ph. D.
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Identifying and Situating the Medieval Ragundaskogen: A Tale of Forest, Fish and Farmers / Identifiera och lokalisera den medeltida Ragundaskogen: En berättelse om skogen, fisket och bönderna som levde därCochrane, Alexandra January 2021 (has links)
In several medieval written sources an area called Ragundaskogen (Eng: Ragunda Forest) is documented in eastern Jämtland. The references in the sources are general and lack specific information about location, meaning and the extent of this area. This thesis uses a theoretical framework based on niche construction and a method employing written sources, place names and archaeological remains to better understand the medieval concept of the Ragunda Forest. The study will reconstruct and discuss the area’s geography, but also provide insight into the people who lived there, their relationships with each other and places in the landscape, as well as their relationship to the church in Uppsala and the monarchy in Norway. The Ragunda Forest was a niche in a border area and during certain periods seems to have had a certain form of independence. The Middle Ages are a period characterised by a series of crises due to climate change and diseases such as the plague. The Ragunda Forest will be used as a background to discuss how the medieval population and landscapes were affected. The thesis suggests that interdisciplinary studies of delimited and local landscape spaces are an effective method for better understanding historical human-environment relations. / I flera skriftliga källor från medeltiden omnämns Ragundaskogen i östra Jämtland. Hänvisningarna i källorna är generella så det är svårt att avgöra Ragundaskogens exakta betydelse, läge och utbredning. Denna uppsats använder ett teoretiskt ramverk som bygger på nischkonstruktion och en metod som omfattar skriftliga källor, platsnamn och arkeologiska lämningar för att bättre förstå det medeltida begreppet Ragundaskogen. Studien kommer att rekonstruera och diskutera områdets geografi, men också ge insikt till människorna som levde där, till deras relationer sinsemellan och till platser i landskapet, samt till deras förhållanden till kyrkan i Uppsala och kungamakten i Norge. Ragundaskogen var en nisch i ett gränsområde och verkar under vissa perioder också haft en viss form av självständighet. Medeltiden är en tidsperiod som kännetecknas av en rad kriser till följd av klimatförändring och sjukdomar som pesten. Ragundaskogen kommer att användas som en bakgrund för att diskutera hur medeltidens människor och landskap påverkades. Uppsatsen föreslår att tvärvetenskapliga studier av avgränsade och lokala landskapsrum är en effektiv metod för att bättre förstå historiska människa-miljö relationer.
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