abstract：:Southern California desert public lands receive especially high levels of off-highway recreation due to large population centers nearby and popular riding environments such as sand dunes. Controversy has developed over the flat-tailed horned lizard (Phrynosoma mcallii), previously a candidate for listing under the End...

journal_title：Environmental management

authors： Grant TJ,Doherty PF Jr

更新日期：2009-03-01 00:00:00

abstract：:An index based method is developed that ranks the subwatersheds of a watershed based on their relative impacts on watershed response to anticipated land developments, and then applied to an urbanizing watershed in Eastern Pennsylvania. Simulations with a semi-distributed hydrologic model show that computed low- and hi...

journal_title：Environmental management

authors： Kalin L,Hantush MM

更新日期：2009-02-01 00:00:00

abstract：:In this article we present a framework for assessing climate change impacts on water and watershed systems to support management decision-making. The framework addresses three issues complicating assessments of climate change impacts--linkages across spatial scales, linkages across temporal scales, and linkages across...

journal_title：Environmental management

authors： Johnson TE,Weaver CP

更新日期：2009-01-01 00:00:00

abstract：:Cross-boundary coordination is a tool for ecosystem management whereby landowners voluntarily coordinate management practices toward economic and/or ecological landscape-scale outcomes (e.g., fiber, invasive species control, habitat). Past research indicates that it may be particularly applicable on landscapes that in...

journal_title：Environmental management

authors： Gass RJ,Rickenbach M,Schulte LA,Zeuli K

更新日期：2009-01-01 00:00:00

abstract：:Objective assessment of habitat compensation is a central yet challenging issue for restoration ecologists. In 1997, a 3.4-km stream channel, designed to divert water around an open pit diamond mine, was excavated in the Barrenlands region of the Canadian Arctic to create productive stream habitat. We evaluated the in...

journal_title：Environmental management

authors： Jones NE,Scrimgeour GJ,Tonn WM

更新日期：2008-12-01 00:00:00

abstract：:Mapped environmental classifications are defined using various procedures, but there has been little evaluation of the differences in their ability to discriminate variation in independent ecological characteristics. We tested the performance of environmental classifications of the streams and rivers of France that ha...

journal_title：Environmental management

authors： Snelder TH,Pella H,Wasson JG,Lamouroux N

更新日期：2008-11-01 00:00:00

abstract：:We investigated the use of Landsat ETM+ images in the monitoring of turbidity, colored dissolved organic matter (CDOM), and Secchi disk transparency (Z(SD)) in lakes of two river basins located in southern Finland. The ETM+ images were acquired in May, June, and September 2002 and were corrected for atmospheric distur...

journal_title：Environmental management

authors： Kallio K,Attila J,Härmä P,Koponen S,Pulliainen J,Hyytiäinen UM,Pyhälahti T

更新日期：2008-09-01 00:00:00

abstract：:Worldwide, the ecological condition of streams and rivers has been impaired by agricultural practices such as broadscale modification of catchments, high nutrient and sediment inputs, loss of riparian vegetation, and altered hydrology. Typical responses include channel incision, excessive sedimentation, declining wate...

journal_title：Environmental management

authors： Lester RE,Boulton AJ

更新日期：2008-08-01 00:00:00

abstract：:Conservation-based development programs have sought to create economic opportunities for people negatively impacted by biological diversity protection. The USDA Forest Service, for example, developed policies and programs to create contracting opportunities for local communities to restore public lands to replace jobs...

journal_title：Environmental management

authors： Moseley C,Reyes YE

更新日期：2008-08-01 00:00:00

abstract：:To mitigate the adverse environmental impact of forest roads, especially degradation of endangered salmonid habitat, many public and private land managers in the western United States are actively decommissioning roads where practical and affordable. Road decommissioning is associated with reduced long-term environmen...

journal_title：Environmental management

authors： Thompson M,Sessions J

更新日期：2008-08-01 00:00:00

abstract：:Four beaches that share physiographic characteristics (sandy, wide, and long) but differ in socioeconomic and cultural terms (three are located in northwestern Mexico and one in California, USA) were evaluated by beach users. Surveys (565) composed of 36 questions were handed out to beach users on weekends and holiday...

journal_title：Environmental management

authors： Cervantes O,Espejel I,Arellano E,Delhumeau S

更新日期：2008-08-01 00:00:00

abstract：:Visitor use surveys and water quality data indicates that high visitor use levels of two rivers in Puerto Rico does not appear to adversely affect several water quality parameters. Optimum visitor use to maximize visitor defined satisfaction is a more constraining limit on visitor use than water quality. Our multiple ...

journal_title：Environmental management

authors： Santiago LE,Gonzalez-Caban A,Loomis J

更新日期：2008-06-01 00:00:00

abstract：:During the past decades, the traditional state monopoly in urban water management has been debated heavily, resulting in different forms and degrees of private sector involvement across the globe. Since the 1990s, China has also started experiments with new modes of urban water service management and governance in whi...

journal_title：Environmental management

authors： Zhong L,Mol AP,Fu T

更新日期：2008-06-01 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：:Desert springs, often the sole sources of water for wildlife and cattle, support wetland and wetland/upland transition ecosystems including rare and endemic species. In the basin and range province in Nevada, USA, springs in the Great Basin and Mojave deserts are sustained by interconnected deep carbonate and shallow ...

journal_title：Environmental management

authors： Patten DT,Rouse L,Stromberg JC

更新日期：2008-03-01 00:00:00

abstract：:BioScene (scenarios for reconciling biodiversity conservation with declining agriculture use in mountain areas in Europe) was a three-year project (2002-2005) funded by the European Union's Fifth Framework Programme, and aimed to investigate the implications of agricultural restructuring and decline for biodiversity c...

journal_title：Environmental management

authors： Sheate WR,do Partidário MR,Byron H,Bina O,Dagg S

更新日期：2008-02-01 00:00:00

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：:This article explores the expression of three forest value orientations that emerged from an analysis of Australian news media discourse about the management of Australian native forests from August 1, 1997 through December 31, 2004. Computer-coded content analysis was used to measure and track the relative importance...

journal_title：Environmental management

authors： Webb TJ,Bengston DN,Fan DP

更新日期：2008-01-01 00:00:00

abstract：:The traditional method of identifying wildlife habitat distribution over large regions consists of pixel-based classification of satellite images into a suite of habitat classes used to select suitable habitat patches. Object-based classification is a new method that can achieve the same objective based on the segment...

journal_title：Environmental management

authors： Jobin B,Labrecque S,Grenier M,Falardeau G

更新日期：2008-01-01 00:00:00

abstract：:Spatio-temporal variations of biochemical oxygen demand (BOD) and total coliform (TC) in the Han River, Korea, were investigated in terms of concentration-based and mass loading-based approaches. Considering the river water quality criteria regulated by the Ministry of Environment in Korea, the tributaries linked to t...

journal_title：Environmental management

authors： Kim JW,Ki SJ,Moon J,Yoo SK,Ryu A,Won J,Choi H,Kim JH

更新日期：2008-01-01 00:00:00

abstract：:An experimental study was conducted in Tillamook, Oregon, USA, to quantify the effectiveness of edge-of-field vegetated buffers for reducing transport of fecal coliform bacteria (FCB) from agricultural fields amended with dairy cow manure. Installation of vegetated buffers on loamy soils dramatically reduced the bacte...

journal_title：Environmental management

authors： Sullivan TJ,Moore JA,Thomas DR,Mallery E,Snyder KU,Wustenberg M,Wustenberg J,Mackey SD,Moore DL

更新日期：2007-12-01 00:00:00

abstract：:Habitat protection for grassland birds is an important component of open space land acquisition in suburban Chicago. We use optimization decision models to develop recommendations for land protection and analyze tradeoffs between alternative goals. One goal is to acquire (and restore if necessary) as much grassland ha...

journal_title：Environmental management

authors： Snyder SA,Miller JR,Skibbe AM,Haight RG

更新日期：2007-12-01 00:00:00

abstract：:Many public land management agencies are committed to understanding and protecting recreation visitor experiences. Parks Canada is deeply committed to that objective for visitors to Canada's National Parks. This 2004 study, informed by a 2003 qualitative study of visitor experiences and influences on those experiences...

journal_title：Environmental management

authors： Watson A,Glaspell B,Christensen N,Lachapelle P,Sahanatien V,Gertsch F

更新日期：2007-12-01 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：:Here we report N(2)O emission results for freshwater marshes isolated from human activities at the Sanjiang Experimental Station of Marsh Wetland Ecology in northeastern China. These results are important for us to understand N(2)O emission in natural processes in undisturbed freshwater marsh. Two adjacent plots of De...

journal_title：Environmental management

authors： Yu J,Liu J,Wang J,Sun W,Patrick WH Jr,Meixner FX

更新日期：2007-10-01 00:00:00

abstract：:Land cover change in protected areas is often associated with human use, especially illicit extraction, but the direction and spatial distribution of such effects and their drivers are poorly understood. We analyze and explain the spatial distribution of vegetation change at the Kumbhalgarh Wildlife Sanctuary in the A...

journal_title：Environmental management

authors： Robbins PF,Chhangani AK,Rice J,Trigosa E,Mohnot SM

更新日期：2007-09-01 00:00:00

abstract：:Many California streams have been adversely affected by sedimentation caused by historic and current land uses, including timber harvesting. The impacts of timber harvesting and logging transportation systems on erosion and sediment delivery can be directly measured, modeled, or inferred from water quality measurement...

journal_title：Environmental management

authors： Harris RR,Sullivan K,Cafferata PH,Munn JR,Faucher KM

更新日期：2007-09-01 00:00:00

abstract：:Fragmentation of family-owned farms and ranches has been identified as the greatest single threat to wildlife habitat, water supply, and the long-term viability of agriculture in Texas. However, an integrative framework for insights into the pathways of land use change has been lacking. The specific objectives of the ...

journal_title：Environmental management

authors： Kjelland ME,Kreuter UP,Clendenin GA,Wilkins RN,Wu XB,Afanador EG,Grant WE

更新日期：2007-08-01 00:00:00

abstract：:A study of water quality, land use, and population variations over the past three decades was conducted in eastern Massachusetts to examine the impact of urban sprawl on water quality using geographic information system and statistical analyses. Since 1970, eastern Massachusetts has experienced pronounced urban sprawl...

journal_title：Environmental management

authors： Tu J,Xia ZG,Clarke KC,Frei A

更新日期：2007-08-01 00:00:00

abstract：:A recent article in Environmental Management by All argued that flood flows in North America's Colorado River do not reach the Gulf of California because they are captured and evaporated in Laguna Salada, a below sea-level lakebed near the mouth of the river. We refute this hypothesis by showing that (1) due to its li...

journal_title：Environmental management

authors： Glenn EP,Flessa KW,Cohen MJ,Nagler PL,Rowell K,Zamora-Arroyo F

更新日期：2007-07-01 00:00:00

abstract：:This article applies a stated preference choice model to assess trade-offs that residents of two squatter settlements in Dhaka, Bangladesh might consider if they were given choices for relocation to flood-free areas. The respondents were asked to choose repeatedly from a set of choice cards, which displayed different ...

journal_title：Environmental management

authors： Rashid H,Hunt LM,Haider W

更新日期：2007-07-01 00:00:00

abstract：:Zoning and applying Limits of Acceptable Change (LAC) are two promising strategies for managing tourism in Marine Protected Areas (MPAs). Typically, these management strategies require the collection and integration of ecological and socioeconomic data. This problem is illustrated by a case study of Koh Chang National...

journal_title：Environmental management

authors： Roman GS,Dearden P,Rollins R

更新日期：2007-06-01 00:00:00

abstract：:Brazil's Cuiabá-Santarém (BR-163) Highway provides a valuable example of ways in which decision-making procedures for infrastructure projects in tropical forest areas need to be reformulated in order to guarantee that environmental concerns are properly weighed. BR-163, which is slated to be paved as an export corrido...

journal_title：Environmental management

authors： Fearnside PM

更新日期：2007-05-01 00:00:00

abstract：:This article provides an overview of the use of risk-based analysis (RBA) in flood damage assessment, and it illustrates the use of Geographic Information Systems (GIS) in identifying flood-prone areas, which can aid in flood-mitigation planning assistance. We use RBA to calculate expected annual flood damages in an u...

journal_title：Environmental management

authors： Hardmeyer K,Spencer MA

更新日期：2007-04-01 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：: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：:In the United States, the Clean Water Act requires mitigation for wetlands that are negatively impacted by dredging and filling activities. During the mitigation process, there generally is little effort to assess function for mitigation sites and function is usually inferred based on vegetative cover and acreage. In ...

journal_title：Environmental management

authors： Hoeltje SM,Cole CA

更新日期：2007-03-01 00:00:00

abstract：:Hillsborough County, Florida, is a karst region that is heavily urbanized, yet no study has been undertaken measuring the degree of human disturbance. Van Beynen and Townsend (2005) created a hierarchical and standardized disturbance index specifically designed for karst environments. To address the problem of determi...

journal_title：Environmental management

authors： van Beynen P,Feliciano N,North L,Townsend K

更新日期：2007-02-01 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：:Advocates of community-based approaches to environmental management argue that by respecting local circumstances, skills, and concerns we may improve the prospects of achieving environmental sustainability; yet, within nation states such as Canada, environmental conditions, management and enforcement costs and capabil...

journal_title：Environmental management

authors： Reed MG

更新日期：2007-01-01 00:00:00