Enhanced methane production from anaerobic digestion of waste activated sludge through preliminary pretreatment using calcium hypochlorite.

abstract：:Due to the pressures of increasing population and developing economy all over the world, the present situation of water-quality management is far from satisfactory. To enhance sustainability of water-quality-management systems, in-depth research of the related barriers and the relevant mitigation approaches is desired...

journal_title：Journal of environmental management

authors： Huang GH,Xia J

更新日期：2001-01-01 00:00:00

abstract：:Many developing countries in the tropics have focused on tourism to generate additional income sources and to diversity the economy. Coastlines in particular have been on the forefront of tourist infrastructure development. Here, the presence of a large number of tourists has often had negative consequences for the su...

journal_title：Journal of environmental management

authors： Gössling S

更新日期：2001-02-01 00:00:00

abstract：:Accelerated expansion of wastewater services to small communities in the Middle East and North Africa (MENA) is essential in order to address serious concerns over water scarcity and pollution in addition to meeting the demand for convenience and protecting public health. Centralized and conventional wastewater system...

journal_title：Journal of environmental management

authors： Bakir HA

更新日期：2001-04-01 00:00:00

abstract：:Wildlife management is generally carried out under conditions of uncertainty. The exact population size is unknown, its future dynamics are uncertain and clear management objectives are often not formulated. In order to provide management advice in this situation, a framework is presented for combining different sourc...

journal_title：Journal of environmental management

authors： Trenkel VM

更新日期：2001-05-01 00:00:00

abstract：:Attempts to evaluate the economic benefits associated with complex environmental policies, using the contingent valuation (CV) method, have been dogged by controversy. In particular, debate has centred on the influence of embedding and related effects on the validity of CV willingness-to-pay (WTP) estimates. This pape...

journal_title：Journal of environmental management

authors： Christie M

更新日期：2001-07-01 00:00:00

abstract：:The level of water was manipulated in a freshwater wetland, with the aim of enhancing abundances of benthic animals and, ultimately, improving habitat for feeding birds (Japanese Snipe, Gallinago hardwickii). We tested whether these actions had the predicted and desired effects on benthic animals, by contrasting chang...

journal_title：Journal of environmental management

authors： Lindegarth M,Chapman MG

更新日期：2001-08-01 00:00:00

abstract：:Data used in quantitative studies of global tropical deforestation are typically of poor quality. These studies use either cross-sectional or panel data to measure the contribution of social and land use factors to forest decline world wide. However, there are pitfalls in the use of either type of data. Panel data stu...

journal_title：Journal of environmental management

authors： Koop G,Tole L

更新日期：2001-10-01 00:00:00

abstract：:An inventory of volatile organic compound (VOC) and nitrogen oxides (NOx) emissions is an important tool for the management of ground-level ozone pollution. This paper has two broad aims: it illustrates the potential of a geographic information system (GIS) for enhancing an existing spatially-aggregated, anthropogenic...

journal_title：Journal of environmental management

authors： Diem JE,Comrie AC

更新日期：2001-12-01 00:00:00

abstract：:This paper describes the development and implementation of the Norwegian monitoring programme for agricultural landscapes--the '3Q programme'. The main objective of the scheme is to indicate development trends in the agricultural landscape, and their consequences for spatial structure, biodiversity, cultural heritage ...

journal_title：Journal of environmental management

authors： Dramstad WE,Fjellstad WJ,Strand GH,Mathiesen HF,Engan G,Stokland JN

更新日期：2002-01-01 00:00:00

abstract：:Leachates are generated as a result of water or other liquid passing through waste at a landfill site. These contaminated liquids originate from a number of sources, including the water produced during the decomposition of the waste as well as rain-fall which penetrates the waste and dissolves the material with which ...

journal_title：Journal of environmental management

authors： Fatta D,Naoum D,Loizidou M

更新日期：2002-04-01 00:00:00

abstract：:The aim of this research was to determine the performance of a submerged biological aerated filter, composed of a double-layer bed. This bed is made up of a top layer of ceramic material and a bottom layer of plastic material (both from previously used waste material). Effluent concentrations are presented related to ...

journal_title：Journal of environmental management

authors： Osorio F,Hontoria E

更新日期：2002-05-01 00:00:00

abstract：:The public preferences for environmental quality should be a primary consideration of planners and decision-makers in environmental systems planning. In the first stage of multicriteria analysis, a multi-attribute evaluation model for determining public preferences is formulated. The environmental indices are defined ...

journal_title：Journal of environmental management

authors： Tzeng GH,Tsaur SH,Laiw YD,Opricovic S

更新日期：2002-06-01 00:00:00

abstract：:This paper introduces a violation analysis approach for the planning of regional solid waste management systems under uncertainty, based on an interval-parameter fuzzy integer programming (IPFIP) model. In this approach, several given levels of tolerable violation for system constraints are permitted. This is realized...

journal_title：Journal of environmental management

authors： Huang YF,Baetz BW,Huang GH,Liu L

更新日期：2002-08-01 00:00:00

abstract：:Industrial estates (IE) are today perceived as an integral part of development strategies of many countries worldwide. The environmental impacts from a concentration of large number of industries in a small area or unplanned IE, can pose a serious threat to both local and global sustainable development initiatives. Th...

journal_title：Journal of environmental management

authors： Singhal S,Kapur A

更新日期：2002-09-01 00:00:00

abstract：:This study assessed campsite conditions and the effectiveness of campsite impact management strategies at Isle Royale National Park, USA. Protocols for assessing indicators of vegetation and soil conditions were developed and applied to 156 campsites and 88 shelters within 36 backcountry campgrounds. The average site ...

journal_title：Journal of environmental management

authors： Marion JL,Farrell TA

更新日期：2002-10-01 00:00:00

abstract：:The growing scarcity of fresh and clean water is among the most important issues facing civilization in the 21st century. Despite the growing attention to a chronic, pernicious crisis in world's water resources our ability to correctly assess and predict global water availability, use and balance is still quite limite...

journal_title：Journal of environmental management

authors： Simonovic SP

更新日期：2002-11-01 00:00:00

abstract：:It is widely known that watershed hydrology is dependent on many factors, including land use, climate, and soil conditions. But the relative impacts of different types of land use on the surface water are yet to be ascertained and quantified. This research attempted to use a comprehensive approach to examine the hydro...

journal_title：Journal of environmental management

authors： Tong ST,Chen W

更新日期：2002-12-01 00:00:00

abstract：:Agri-environmental schemes (AES) have been introduced as part of European Union's (EU) Common Agricultural Policy and are now an important part of this. A methodological approach to analyse the policy effects of AES is outlined, in which we distinguish between performance effects (on agricultural practices) and outcom...

journal_title：Journal of environmental management

authors： Primdahl J,Peco B,Schramek J,Andersen E,Oñate JJ

更新日期：2003-02-01 00:00:00

abstract：:In Europe temperate forests play a prominent role in timber production, nature protection, water conservation, erosion control and recreation. For centuries temperate forests in Europe have been affected by forest devastation and soil degradation. Applying great efforts to eliminate the severe wood shortage of those d...

journal_title：Journal of environmental management

authors： Spiecker H

更新日期：2003-01-01 00:00:00

abstract：:Patterns of vegetation across Great Britain (GB) between 1990 and 1998 were quantified based on an analysis of plant species data from a total of 9596 fixed plots. Plots were established on a stratified random basis within 501 1 km sample squares located as part of the Countryside Survey of GB. Results are primarily c...

journal_title：Journal of environmental management

authors： Smart SM,Clarke RT,van de Poll HM,Robertson EJ,Shield ER,Bunce RG,Maskell LC

更新日期：2003-03-01 00:00:00

abstract：:There is a growing evidence that the ecological and biological integrity of the lagoon has declined during the last 50 years, probably due to the decline in water quality. Establishment of a watershed scale seagrass-based nutrient load assessment is the major aim of water quality management in the Indian River Lagoon ...

journal_title：Journal of environmental management

authors： Sigua GC,Tweedale WA

更新日期：2003-04-01 00:00:00

abstract：:Economic liberalization in former socialist countries may have various implications for their environmental sustainability. Positive effects of this process are potentially associated with improved efficiency, investments into cleaner technologies, responsiveness to environmentally aware markets, and ending subsidies ...

journal_title：Journal of environmental management

authors： Cherp A,Kopteva I,Mnatsakanian R

更新日期：2003-06-01 00:00:00

abstract：:Public participation as a means of identifying sustainability indicators for Chongming County, Shanghai, China was evaluated by an international group drawing on established best practice. An initial 'long list' of 86 sustainability indicators, based on previous indicator systems developed in China, was identified. Th...

journal_title：Journal of environmental management

authors： Yuan W,James P,Hodgson K,Hutchinson SM,Shi C

更新日期：2003-07-01 00:00:00

abstract：:Features of the land management history over a 125,755 km(2) area of central Queensland, Australia were determined from a variety of sources. A random sample of 205 site locations provided the basis for determining trends in land use. Trends in vegetation clearing were determined using sequential aerial photography fo...

journal_title：Journal of environmental management

authors： Fensham RJ,Fairfax RJ

更新日期：2003-08-01 00:00:00

abstract：:The visual and aesthetic aspects of any object are defined by its colour, form, line and texture, to which might be added compositional reference elements such as scale and, in the case of three dimensional scenes, spatial character. This paper investigates one of these colour and proposes a method for predicting the ...

journal_title：Journal of environmental management

authors： García L,Hernández J,Ayuga F

更新日期：2003-09-01 00:00:00

abstract：:The Nigerian forests have been subjected to unguarded exploitation over the years. Although there is overwhelming empirical evidence, which show that Nigeria's forest, may soon vanish, available statistics have shown its increasing importance in the energy sector. With increasing population come the attendant demands ...

journal_title：Journal of environmental management

authors： Akinbami JF,Salami AT,Siyanbola WO

更新日期：2003-10-01 00:00:00

abstract：:The feasibility of using diatomite for the removal of the problematic reactive dyes as well as basic dyes from textile wastewater was investigated. Methylene blue, Cibacron reactive black and reactive yellow dyes were considered. Physical characteristics of diatomite such as pHsolution, pHZPC, surface area, Fourier tr...

journal_title：Journal of environmental management

authors： Al-Ghouti MA,Khraisheh MA,Allen SJ,Ahmad MN

更新日期：2003-11-01 00:00:00

abstract：:The Delphi technique is a means of aggregating the judgement of a panel of experts in order to improve the quality of decision-making. This paper provides a case study of the technique by undertaking a three-round Delphi study to determine a package of best available techniques to reduce nitrogen emissions from a poul...

journal_title：Journal of environmental management

authors： Angus AJ,Hodge ID,McNally S,Sutton MA

更新日期：2003-12-01 00:00:00

abstract：:The purpose of every water utility is to provide consumers with drinking water that is aesthetically acceptable and presents no risk to public health. Several studies have been carried out to analyze people's perception and attitude about the drinking water coming from their water distribution systems. The goal of the...

journal_title：Journal of environmental management

authors： Turgeon S,Rodriguez MJ,Thériault M,Levallois P

更新日期：2004-04-01 00:00:00

abstract：:Highly radioactive, mixed-waste sludges that have been collected at Oak Ridge over several decades are being combined for treatment and disposal. Stabilization of the sludges in the different tank sets was tested prior to the proposed combination and treatment. This paper, which follows a previous article on the Melto...

journal_title：Journal of environmental management

authors： Spence RD,Mattus CH

更新日期：2004-03-01 00:00:00