Pollution and self-cleansing of an urban river in a developing country: a case study in Dar es Salaam, Tanzania.

abstract：:Investigating local people's environmental perceptions can produce useful information that could be incorporated into decision making processes that help resolve environmental problems. Although China is undergoing severe desertification, the perceptions of the local people toward their degraded environment and the re...

journal_title：Environmental management

authors： Lee HF,Zhang DD

更新日期：2008-02-01 00:00:00

abstract：:Fee-fishing involves paying a fee for the privilege of fishing a body of water where fish populations are enhanced by stocking fish. Past literature on this activity has focused more on the operation of the enterprise and management of the fish than the people and site characteristics. The objectives of the study were...

journal_title：Environmental management

authors： Schuett MA,Pierskalla CD

更新日期：2007-02-01 00:00:00

abstract：:This article describes a template for implementing an integrated community sustainability plan. The template emphasizes community engagement and outlines the components of a basic framework for integrating ecological, social and economic dynamics into a community plan. The framework is a series of steps that support a...

journal_title：Environmental management

authors： Ling C,Hanna K,Dale A

更新日期：2009-08-01 00:00:00

abstract：:The development of a model for assessing the impact and interactions of stressors in the ecosystem of Lake Koronia, based on fuzzy inference, is presented in this paper. The proposed fuzzy inference model assesses the synergistic interactions among several significant stressors on fish production. These stressors incl...

journal_title：Environmental management

authors： Ioannidou IA,Paraskevopoulos S,Tzionas P

更新日期：2003-11-01 00:00:00

abstract：:Active exchanges of water and dissolved material between the stream and groundwater in many porous sand- and gravel-bed rivers create a dynamic ecotone called the hyporheic zone. Because it lies between two heavily exploited freshwater resources-rivers and groundwater-the hyporheic zone is vulnerable to impacts coming...

journal_title：Environmental management

authors： Hancock PJ

更新日期：2002-06-01 00:00:00

abstract：:Floodplain forests are flood-dependent ecosystems. They rely on well-timed, periodic floods for the provision of regeneration sites and on tapered flood recession curves for the successful establishment of seedlings. These overbank flood events are described as "regeneration flows." Once floodplain forest trees are es...

journal_title：Environmental management

authors： Hughes FM,Rood SB

更新日期：2003-07-01 00:00:00

abstract：:Methods for defining and retrieving reference conditions for large rivers were explored with emphasis on hydromorphologic and biologic quality indicators. For a set of four large rivers in the European Western Plains ecoregion, i.e., the rivers Meuse, Loire, Allier, and Dordogne, reference reaches were selected based ...

journal_title：Environmental management

authors： Van Looy K,Meire P,Wasson JG

更新日期：2008-05-01 00:00:00

abstract：:Temporal and spatial vegetation structure has impact on biodiversity qualities. Yet, current schemes of biotope mapping do only to a limited extend incorporate these factors in the mapping. The purpose of this study is to evaluate the application of a modified biotope mapping scheme that includes temporal and spatial ...

journal_title：Environmental management

authors： Gao T,Qiu L,Hammer M,Gunnarsson A

更新日期：2012-02-01 00:00:00

abstract：:This research addresses the need to improve our knowledge on the demand for national forests for recreation and offers an in-depth data analysis supported by the complementary use of count data and ordered models. From a policy-making perspective, while count data models enable the estimation of monetary welfare measu...

journal_title：Environmental management

authors： Simões P,Barata E,Cruz L

更新日期：2013-11-01 00:00:00

abstract：:Red sesbania is an invasive South American shrub that has rapidly expanded its range along California waterways, emphasizing the need to prioritize eradication sites at a regional scale. To accomplish this, we updated baseline location data in summer 2010 using field surveys throughout the state. We collected relevant...

journal_title：Environmental management

authors： Robison R,Barve N,Owens C,Skurka Darin G,DiTomaso JM

更新日期：2013-07-01 00:00:00

abstract：:Connectivity among fragmented areas of habitat has long been acknowledged as important for the viability of biological conservation, especially within highly modified landscapes. Identifying important habitat patches in ecological connectivity is a priority for many conservation strategies, and the application of 'gra...

journal_title：Environmental management

authors： Poodat F,Arrowsmith C,Fraser D,Gordon A

更新日期：2015-09-01 00:00:00

abstract：:Trees are a major threat to power line security across forested regions of the world. We developed a decision support system for identifying locations in Connecticut, USA where trees have grown tall enough to make contact with transmission lines during storms. We used the Random Forest algorithm, danger tree presence/...

journal_title：Environmental management

authors： Poulos HM,Camp AE

更新日期：2011-02-01 00:00:00

abstract：:A linkage between the condition of watersheds and adjacent nearshore coral reef communities is an assumed paradigm in the concept of integrated coastal management. However, quantitative evidence for this "catchment to sea" or "ridge to reef" relationship on oceanic islands is lacking and would benefit from the use of ...

journal_title：Environmental management

authors： Rodgers KS,Kido MH,Jokiel PL,Edmonds T,Brown EK

更新日期：2012-07-01 00:00:00

abstract：:Road ecology research has tended to focus on wildlife-vehicle collisions (WVCs) while omitting or failing to differentiate domestic (i.e., livestock) animal-vehicle collisions (DAVCs). This has limited our understanding of where, when, and how frequently DAVCs occur, and whether these patterns differ from those for WV...

journal_title：Environmental management

authors： Creech TG,Fairbank ER,Clevenger AP,Callahan AR,Ament RJ

更新日期：2019-12-01 00:00:00

abstract：:Environmental indicators are often aggregated into a single index for various purposes in environmental studies. Aggregated indices derived from the same data set can differ, usually because the aggregated indices' sensitivities are not thoroughly analyzed. Furthermore, if a sensitivity analysis is carried out, it is ...

journal_title：Environmental management

authors： Tran LT,O'Neill RV,Smith ER,Knight CG

更新日期：2007-04-01 00:00:00

abstract：:A total of 154 aquatic alien species have invaded the New York State Canal and Hudson River systems and a total of 162 aquatic species have invaded the Great Lakes Basin. Some of these invasive species are causing significant damage and control costs in both aquatic ecosystems. In the New York State Canal and Hudson R...

journal_title：Environmental management

authors： Pimentel D

更新日期：2005-05-01 00:00:00

abstract：:Transport of aquatic invasive species (AIS) by boats traveling up rivers and streams is an important mechanism of secondary spread of AIS into watersheds. Because physical barriers to AIS movement also prevent navigation, alternate methods for preventing spread are necessary while allowing upstream navigation. One pro...

journal_title：Environmental management

authors： Beyer J,Moy P,De Stasio B

更新日期：2011-01-01 00:00:00

abstract：:We describe the population ecology of two tropical deciduous trees, Bombax ceiba leiocarpum A. Robyns and Brachychiton diversifolius R. Br., which are in high demand for Indigenous sculpture production in Arnhem Land, Australia. We monitored tagged populations of both species at two locations f...

journal_title：Environmental management

authors： Koenig J,Griffiths A

更新日期：2012-10-01 00:00:00

abstract：:Biodiversity policies in the European Union (EU) are mainly implemented through the Birds and Habitats Directives as well as the establishment of Natura 2000, a network of protected areas throughout the EU. Considerable resources must be allocated for fulfilling the Directives and the question of optimal allocation is...

journal_title：Environmental management

authors： Strange N,Jacobsen JB,Thorsen BJ,Tarp P

更新日期：2007-11-01 00:00:00

abstract：:In the current study, conventional resources-based ammonia generation routes are comparatively studied through a comprehensive life cycle assessment. The selected ammonia generation options range from mostly used steam methane reforming to partial oxidation of heavy oil. The chosen ammonia synthesis process is the mos...

journal_title：Environmental management

authors： Bicer Y,Dincer I,Vezina G,Raso F

更新日期：2017-05-01 00:00:00

abstract：:Biodiversity offsets are increasingly being used for securing biodiversity conservation outcomes as part of sustainable economic development to compensate for the residual unavoidable impacts of projects. Two recent New Zealand examples of biodiversity offsets are reviewed-while both are positive for biodiversity cons...

journal_title：Environmental management

authors： Norton DA

更新日期：2009-04-01 00:00:00

abstract：:Recent interest in expanding offshore oil production within waters of the United States has been met with opposition by groups concerned with recreational, environmental, and aesthetic values associated with the coastal zone. Although the proposition of new oil platforms off the coast has generated conflict over how c...

journal_title：Environmental management

authors： Brody SD,Grover H,Bernhardt S,Tang Z,Whitaker B,Spence C

更新日期：2006-10-01 00:00:00

abstract：:Climate change affects public land ecosystems and services throughout the American West and these effects are projected to intensify. Even if greenhouse gas emissions are reduced, adaptation strategies for public lands are needed to reduce anthropogenic stressors of terrestrial and aquatic ecosystems and to help nativ...

journal_title：Environmental management

authors： Beschta RL,Donahue DL,DellaSala DA,Rhodes JJ,Karr JR,O'Brien MH,Fleischner TL,Deacon Williams C

更新日期：2013-02-01 00:00:00

abstract：:Water is an abundant resource worldwide, but fresh and clean water is scarce in many areas of the world. Increases in water consumption and climate change will affect global water security even further in the near future. With increasing numbers of people living in metropolitan areas, water, energy, and materials need...

journal_title：Environmental management

authors： van Leeuwen K,de Vries E,Koop S,Roest K

更新日期：2018-05-01 00:00:00

abstract：:Ecological indicators can facilitate an adaptive management approach, but only if acceptable levels for those indicators have been defined so that the data collected can be interpreted. Because acceptable levels are an expression of the desired state of the ecosystem, the process of establishing acceptable levels shou...

journal_title：Environmental management

authors： Smyth RL,Watzin MC,Manning RE

更新日期：2007-03-01 00:00:00

abstract：:Anthropogenic disturbances in wetland ecosystems can alter the composition and structure of plant assemblages and affect system functions. Extensive oil and gas extraction has occurred in wetland habitats along the northern Gulf of Mexico coast since the early 1900s. Activities involved with three-dimensional (3D) sei...

journal_title：Environmental management

authors： Howard RJ,Wells CJ,Michot TC,Johnson DJ

更新日期：2014-07-01 00:00:00

abstract：:The Greater Vancouver area has undergone significant land use and land cover (LULC) change over the past several decades, often adversely affecting stream health and water quality, particularly in those areas that have undergone the most urbanization. In this study 30 years of historical LULC and water quality data we...

journal_title：Environmental management

authors： Shupe S

更新日期：2013-01-01 00:00:00

abstract：:We investigated differences in vegetation composition and dynamics for two globally rare ecosystems, bracken-grasslands and northern-dry forests of northern Wisconsin. These ecosystems commonly have been viewed as degraded pine barrens. Bracken-grasslands contained a high dominance of exotic species, low native richne...

journal_title：Environmental management

authors： Nielsen SE,Haney A

更新日期：2003-06-01 00:00:00

abstract：:Twenty-three king penguins (Aptenodytes patagonicus) from Macquarie Island were tracked by satellite during the late incubation period in 1998-1999 to determine the overlap of the foraging zone of king penguins with an area to be declared a marine protected area (MPA) near the island. While all penguins left the colon...

journal_title：Environmental management

authors： Wienecke B,Robertson G

更新日期：2002-05-01 00:00:00

abstract：:This study adopts and modifies the WWF Rapid assessment and prioritization of protected areas management methodology (RAPPAM) to evaluate the management effectiveness of five protected areas in Taiwan. The results indicate that, unlike the situation in most developing countries, the threats and pressures faced by prot...

journal_title：Environmental management

authors： Lu DJ,Kao CW,Chao CL

更新日期：2012-08-01 00:00:00