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  • Articles  (11)
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  • Conservation  (11)
  • 1990-1994  (10)
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  • Energy, Environment Protection, Nuclear Power Engineering  (11)
  • 1
    ISSN: 1432-1009
    Keywords: Biodiversity ; Mexico ; Conservation ; Development planning
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract An important goal of biological inventories is to provide information for environmental assessments of development projects and biodiversity conservation. Likewise, computer data bases have been proposed for efficient compilation and management of biological information. However, the attributes of biological inventories and computer data bases have not been examined with respect to environmental assessments. This article presents a case study in Mexico to analyze the current limitations of biological inventories for successful environmental assessments and biodiversity conservation in developing countries. Results demonstrate that, considering the objectives of environmental assessments and information constraints, computerized biological inventories should be assembled with a minimum of record fields: taxonomic data and georeferenced collection localities. Furthermore, it is proposed that environmental assessments should become a feedback to biological inventories and an important financial support to universities and research institutions in developing countries.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Environmental and resource economics 4 (1994), S. 435-454 
    ISSN: 1573-1502
    Keywords: Conservation ; disequilibrium ; CGE mode(s) ; pareto-optimality ; energy efficiency ; “free lunch” ; “no regrets”
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Notes: Abstract There is a sharp disagreement between mainstream economists and advocates of energy efficiency as regards the potential for “free lunches” or “no regrets” policies to cut greenhouse gas emissions. From an economics perspective, the critical question is whether the economic system is — or is not — close to a Pareto-optimum equilibrium state. If so, it follows that most technological systems now in place are optimum, or nearly so, from an economic perspective. If not, there may be many sub-optimal technologies in place, with corresponding opportunities for very high returns on appropriate investments. This paper presents some of the evidence supporting the latter thesis.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Environmental management 17 (1993), S. 199-210 
    ISSN: 1432-1009
    Keywords: Conservation ; Thousand Islands ; Aesthetics ; Visual quality ; Biological quality ; Discriminant analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Consideration of biological quality has long been an important component of rating areas for conservation. Often these same areas are highly valued by people for aesthetic reasons, creating demands for housing and recreation that may conflict with protection plans for these habitats. Most methods of selecting land for conservation purposes use biological factors alone. For some land areas, analysis of aesthetic qualities is also important in describing the scenic value of undisturbed land. A method for prioritizing small islands and shoals based on both biological and visual quality factors is presented here. The study included 169 undeveloped islands and shoals ⩽0.8 ha in the Thousand Islands Region of the St. Lawrence River, New York. Criteria such as critical habitat for uncommon plant and animal species were considered together with visual quality and incorporated into a rating system that ranked the islands and shoals according to their priority for conservation management and protection from development. Biological factors were determined based on previous research and a field survey. Visual quality was determined by visual diagnostic criteria developed from public responses to photographs of a sample of islands. Variables such as elevation, soil depth, and type of plant community can be used to classify islands into different categories of visual quality but are unsuccessful in classifying islands into categories of overall biological quality.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1009
    Keywords: Biosphere reserve ; Central Andes ; Conservation ; Environmental assessment ; Environmental mapping ; Land-use management ; Land-use planning ; Puna
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract A method for the identification, mapping and evaluation of integrated environmental units is described. This method is applied to the assessment and zoning of a biosphere reserve, in order to establish guidelines for the distribution of conservation and management actions. The method, based on the definition of units according to observable features, enables the diagnosis of qualities of interest for planning and management, with results that can be reproduced by different operators, if certain initial criteria are accepted. Using these criteria, initial descriptive maps can be transformed into prescriptive maps which provide the basis for management decisions. The nature and distribution of the units present in the area is shown. The allocation of land-use activities obtained using the criteria indicated above provides the basis for economic assessment of development plans. A series of conservation and development actions are proposed for the reserve.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Environmental management 17 (1993), S. 829-835 
    ISSN: 1432-1009
    Keywords: Conservation ; Forest fragmentation ; Recreation damage ; Pedestrian traffic ; Trash dumping ; Edge effects ; Footpaths
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Suburban forest fragments often experience heavy recreational and waste disposal use, with considerable damage to the vegetation. To suggest strategies for conservation of the forest flora, spatial distributions of human impact were described in 40 fragmentary stands in northern New Castle County, Delaware. The distribution of human impact showed a significant bias to the forest edge, with 95% of localized damage occurring in the first 82 m. Forms of impact related to lawn maintenance fell significantly closer to the edge than impacts related to recreation and showed the strongest edge orientation. Edge distances of campsites, vandalized trees, and firewood gathering were negatively correlated with distance to the nearest graded road, indicating the importance of road access. Several forms of impact were also clustered near footpaths, although distance to paths was independent of edge distance in all cases. In terms of penetration of the forest and severity of damage, human impact greatly exceeds natural edge effects reported for this community. These findings suggest that damage may be minimized by limiting road access and avoiding the creation of small forest fragments.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Environmental management 16 (1992), S. 435-450 
    ISSN: 1432-1009
    Keywords: Biodiversity ; Land management ; Conservation ; Monitoring
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract As human influences fragment native communities and ecosystems, remaining land must be better managed to conserve many elements of biodiversity. Much of this land is privately held, yet traditional private land-use management practices often further diminish biodiversity by promoting favored or edge-adapted species. Today, private land stewards are increasingly aware of and concerned about biodiversity, but little guidance exists for them to make land-use decisions incorporating principles and knowledge from conservation biology. Consequently, most management strategies are highly subjective. This article addresses that problem by introducing current conservation wisdom to management and use of private lands. The result is a model program for developing land management plans, with the goal of maintaining viable populations and natural distributions of native species and communities from a landscape perspective. The program establishes a protocol for classifying sites according to the importance of their species, communities, and other elements to global and regional biodiversity. These site classifications are based on the management objectives necessary to maintain important elements. Once managers classify a site, the program provides management standards, general stewardship principles, examples of land management strategies, and basic monitoring and evaluation procedures.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1009
    Keywords: Park ; Reserves ; Boundary management ; Conservation ; Conflict
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Protecting biodiversity on public lands is difficult, requiring the management of a complex array of factors. This is especially true when the ecosystems in question are affected by, or extend onto, lands outside the boundaries of the protected area. In this article we review recent developments in the cross-boundary management of protected natural resources, such as parks, wildlife reserves, and designated wilderness areas. Five ecological and 11 anthropic techniques have been suggested for use in cross-boundary management. The categories are not mutually exclusive, but each is a distinct and representative approach, suggested by various authors from academic, managerial, and legal professions. The ecological strategies stress the collection of basic data and documentation of trends. The anthropic techniques stress the usefulness of cooperative guidelines and the need to develop a local constituency which supports park goals. However, the situation is complex and the needed strategies are often difficult to implement. Diverse park resources are influenced by events in surrounding lands. The complexity and variability of sources, the ecological systems under protection, and the uncertainty of the effects combine to produce situations for which there are no simple answers. The solution to coexistence of the park and surrounding land depends upon creative techniques and recommendations, many still forthcoming. Ecological, sociological, legal, and economic disciplines as well as the managing agency should all contribute to these recommendations. Platforms for change include legislation, institutional policies, communication, education, management techniques, and ethics.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Environmental management 16 (1992), S. 179-186 
    ISSN: 1432-1009
    Keywords: Petrified forest ; Conservation ; Sustainable development
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The Gallatin Petrified Forest of Montana, USA, is a unique resource. The extensive area of the fossil forests, the numerous petrified trees in upright positions, and the large number of vertical layers of “successive” forests are unparalleled in the world. Collection by permit is permitted, but damage to the petrified forest by indiscriminate collection occurs. To assess the impact, a comparative examination of replicate (over 13 yr) photography of selected specimens was undertaken. The amount of change over time, the possible cause of change, and the relationship of the location of the specimen to that amount of change were determined. It was found that although considerable loss continues, impacts prior to a 1973 collection policy were most severe. There was more loss by natural erosion than by collection, but the collections are additive to the natural changes. Size of petrified outcrops and the steepness of the slope on which they were found did correlate with the amount of natural change occurring over time. Human-induced change was associated with the distance of the outcrops from the main trailheads and the specimen size. This method provides a tool with which to monitor impacts and develop a future policy aimed towards conservation of a unique resource in light of the need for appreciative recreation and some specimen collection. Recommended changes in present management policy are provided.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Environmental management 14 (1990), S. 317-324 
    ISSN: 1432-1009
    Keywords: Environmental law ; Mexico ; Conservation ; Multiple-resource modeling ; Computer simulation ; Forest management ; Decision making
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The current Mexican environmental law provides the legal basis for comprehensive land-use planning. Under the law, development of natural ecosystems must combine goals, policies, and practices towards the sustainable use of natural resources and the protection of biological diversity. Thus, ecosystem manipulation must be able to counter fragmentation of natural ecosystems and isolation of natural reserves, while providing for human needs. Assessment of the potential of natural ecosystems and management impacts are required. Multiple-resource simulation is an assessment and land-use planning tool that permits managers and decision makers to comply with the law, providing a flexible, user-oriented system that can meet the needs of managers, conservationists, and researchers. A multiple-resource model and an example of how it can be applied to meet planning needs is presented for discussion.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Environmental management 14 (1990), S. 349-358 
    ISSN: 1432-1009
    Keywords: Conservation ; Ecology ; Planning ; Land use ; Zoning ; Camp siting
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract This article discusses an application of the ecological planning model proposed by Van Riet and Cooks. The various steps outlined in this model have been applied to Kruger National Park in South Africa. The natural features of Kruger National Park, which form the basis of such an ecological planning exercise and from which the various land use categories, values, and zoning classes can be determined, are discussed in detail. The suitability of each of the various features is analyzed and a final zoning proposal for Kruger National Park is suggested. Furthermore a method for selecting a site for a new camp is illustrated by referring to the site for the new Mopane rest camp which is now under construction in the Kruger National Park. The conclusion is reached that the proposed ecological planning model can be used successfully in planning conservation areas such as Kruger National Park and for the selection of the most desirable sites for the establishment of new rest camps. Its suitability as a practical model in such planning exercises is proven by the fact that the siting proposals of two new camps based on this model have been accepted by the National Parks Board, the controlling body of Kruger National Park.
    Type of Medium: Electronic Resource
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  • 11
    Electronic Resource
    Electronic Resource
    Springer
    Environmental management 7 (1983), S. 511-523 
    ISSN: 1432-1009
    Keywords: Forest management ; Forest policy ; Philippines ; Logging laws ; Wood Processing ; Reforestation ; Slash- and-burn cultivation ; Conservation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract This article begins by summarizing the importance of the forestry sector in the Philippine economy It provides an overview of the multiplicity of Philippine governmental institutions involved in forestry in 1982 Then it discusses forestry laws in the country and concludes by examining fifteen critical forest policy issues: sustained yield management; area-specific logging bans; increased use of wood wastes; revision of forest charges; unprocessed log export ban; rationalization of the forest industry, acceleration of reforestation; protection of watersheds; recognition of the social dimensions of slash- and-burn agriculture; fuelwood supply; public land classification for forestry and agriculture, development of plantations for dendrothermal electricity; multiple-use management; preservation of mangrove areas, and improvements in administration and implementation.
    Type of Medium: Electronic Resource
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