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  • Articles  (51)
  • Wetlands  (51)
  • Energy, Environment Protection, Nuclear Power Engineering  (51)
  • Political Science
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  • Articles  (51)
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Keywords
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  • 1
    Electronic Resource
    Electronic Resource
    The role of property rights in economic research on U.S. wetlands policy
    Amsterdam : Elsevier
    Ecological Economics 11 (1994), S. 27-33 
    Details
    ISSN: 0921-8009
    Keywords: Contingent valuation ; Optimal pollution ; Property rights ; Resource economics ; Wetlands
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0921-8009(94)90047-7
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  • 2
    Electronic Resource
    Electronic Resource
    Detention and mixing in free water wetlands
    Amsterdam : Elsevier
    Ecological Engineering 3 (1994), S. 345-380 
    Details
    ISSN: 0925-8574
    Keywords: Detention time ; Flow modeling ; Hydrology ; Mixing ; Tracer testing ; Wetlands
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0925-8574(94)00007-7
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  • 3
    Electronic Resource
    Electronic Resource
    The hydrology of four experimental constructed marshes
    Amsterdam : Elsevier
    Ecological Engineering 3 (1994), S. 319-343 
    Details
    ISSN: 0925-8574
    Keywords: Hydrology ; Water budgets ; Wetlands
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0925-8574(94)00006-9
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  • 4
    Electronic Resource
    Electronic Resource
    Water quality improvement by four experimental wetlands
    Amsterdam : Elsevier
    Ecological Engineering 3 (1994), S. 381-397 
    Details
    ISSN: 0925-8574
    Keywords: Nitrogen ; Phosphorus ; Suspended solid ; Water quality ; Wetlands
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0925-8574(94)00008-5
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  • 5
    Electronic Resource
    Electronic Resource
    Alternative property rights to wetland externalities
    Amsterdam : Elsevier
    Ecological Economics 10 (1994), S. 61-68 
    Details
    ISSN: 0921-8009
    Keywords: Pigouvian tax and subsidy ; Property right ; Wetlands
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0921-8009(94)90037-X
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  • 6
    Electronic Resource
    Electronic Resource
    A meta-analysis of wetland contingent valuation studies (1999)
    Springer
    Regional environmental change 1 (1999), S. 47-57 
    Details
    ISSN: 1436-378X
    Keywords: Key words Meta-analysis ; Contingent valuation ; Wetlands ; Ecosystem functions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract There is growing interest in the potential for producing generally applicable models for valuing non-market environmental services which do not rely upon expensive and time-consuming survey work, but rather extrapolate results from previous studies. This paper presents a meta-analysis for the use and non-use values generated by wetlands across North America and Europe. The study assesses the socio-economic values attributable to the hydrological, biogeochemical and ecological functions provided by such complex environmental assets. The clustering of multiple values derived from single studies is examined through the application of multilevel modelling methods allowing for the hierarchical structure of such data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s101130050007
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  • 7
    Electronic Resource
    Electronic Resource
    Environmental gradients in northwest freshwater wetlands (1986)
    Springer
    Environmental management 10 (1986), S. 125-134 
    Details
    ISSN: 1432-1009
    Keywords: Wetlands ; Environmental characteristics ; Boundary definition ; Zonal properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Wetland environmental characteristics are examined to determine their spatial and temporal relationships. Two very different Oregon freshwater wetlands provided a range of wetland types. Results are evaluated to determine the possible use of environmental characteristics in defining wetlands and their boundaries. Representative physical, hydrological, and edaphic properties were periodically measured in microplots along upland/wetland transects. A multivariate approach is stressed in the data analysis; correlation, cluster analysis, and principal components analyses were used. The results indicate the environmental characteristics change in a quantifiable manner both spatially and temporally. The controlling mechanism is moisture, spatially in terms of the upland/wetland transect and temporally with respect to seasonal response. These changes do not correlate well with vegetation. Several hypotheses are offered as an explanation. Correlation within environmental characteristics is variable but definite patterns are discernible. These data suggest both single and combinations of environmental characteristics that could serve as “keys” in wetland identification and boundary determination. However, before extensive use is made of this information additional long-term monitoring of wetland environmental characteristics will be required.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01866425
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  • 8
    Electronic Resource
    Electronic Resource
    Impact of power utility rights-of-way on wooded wetland (1986)
    Springer
    Environmental management 10 (1986), S. 809-814 
    Details
    ISSN: 1432-1009
    Keywords: Wetlands ; Swamp ; Rights-of-way ; Vegetation ; Environmental impact
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract This study documents the effects of power utility right-of-way construction and maintenance on the vegetation of a wooded wetland in North Reading, Massachusetts, USA. Neither activity had a substantial, long-term negative impact. Except for differences in size and maturity, the vegetation recovered in two years from nearly total destruction caused by construction. Maintenance that included the periodic removal of high-growing species led to the formation of a plant association different from the one occurring naturally, but as diverse and species rich.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01867733
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  • 9
    Electronic Resource
    Electronic Resource
    Louisiana wetland loss: A regional water management approach to the problem (1988)
    Springer
    Environmental management 12 (1988), S. 181-192 
    Details
    ISSN: 1432-1009
    Keywords: Louisiana ; Mississippi Delta ; Sediment ; Accretion deficit ; Land loss ; Wetlands ; Management
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Loss of Louisiana's coastal wetlands has reached catastrophic proportions. The loss rate is approximately 150 km2/yr (100 acres/day) and is increasing exponentially. Total wetland loss since the turn of the century has been almost 0.5 million ha (1.1 million acres) and represents an area larger than Rhode Island. The physical cause of the problem lies in man's attempts to control the Mississippi River's flooding, while enhancing navigation and extracting minerals. Levee systems and control structures confine sediments that once nourished the wetlands to the river channel. As a consequence, the ultimate sediment deposition is in deep Gulf waters off the Louisiana coast. The lack of sediment input to the interdistributary wetlands results in an accretion deficit. Natural and human-induced subsidence exceeds accretion so that the wetlands sink below sea level and convert to water. The solution is to provide a thin veneer of sediment (approximately 0.6 cm/yr; an average of 1450 g m−2 yr−1) over the coastal marshes and swamps and thus prevent the submergence of vegetation. The sediment source is the Mississippi River system. Calculations show that 9.2% of the river's annual suspended sediment load would be required to sustain the deltaic plain wetlands. It should be distributed during the six high-water months (December–June) through as disaggregated a network as possible. The problem is one of distribution: how can the maximum acres of marsh be nourished with the least cost? At present, the river is managed through federal policy for the benefit of navigation and flood control. A new policy structure, recognizing the new role for the river-sediment distribution, is recommended.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01873387
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  • 10
    Electronic Resource
    Electronic Resource
    Cumulative impacts on water quality functions of wetlands (1988)
    Springer
    Environmental management 12 (1988), S. 639-653 
    Details
    ISSN: 1432-1009
    Keywords: Wetlands ; Water quality ; Cumulative impact
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The total effect of cumulative impacts on the water quality functions of wetlands cannot be predicted from the sum of the effects each individual impact would have by itself. The wetland is not a simple filter; it embodies chemical, physical, and biotic processes that can detain, transform, release, or produce a wide variety of substances. Because wetland water quality functions result from the operation of many individual, distinct, and quite dissimilar mechanisms, it is necessary to consider the nature of each individual process. Sound knowledge of the various wetland processes is needed to make guided judgements about the probable effects of a given suite of impacts. Consideration of these processes suggests that many common wetland alterations probably do entail cumulative impact. In addition to traditional assessment methods, the wetland manager may need to obtain appropriate field measurements of water quality-related parameters at specific sites; such data can aid in predicting the effects of cumulative impact or assessing the results of past wetland management.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01867542
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