Evaluating microbial indicators of environmental condition in Oregon rivers.

abstract：:The BOSAWAS Natural Resource Reserve of Nicaragua was established in 1991, to protect a portion of the remaining tropical rain forest and to promote the sustainable use of the region's resources. Information required to effectively manage the reserve includes the extents and locations of present land-cover types and r...

journal_title：Environmental management

authors： Smith JH

更新日期：2003-02-01 00:00:00

abstract：:"Avança Brasil" (Forward Brazil) is a package of 338 projects throughout Brazil; the portion of the plan to be carried out in Brazil's Legal Amazon region totals US$43 billion over 8 years, US$20 billion of which would be for infrastructure causing environmental damage. Brazil's environmental impact assessment system ...

journal_title：Environmental management

authors： Fearnside PM

更新日期：2002-12-01 00:00:00

abstract：:Wetlands in the Sanjiang Plain are rich in biodiversity and natural resources in the northeast of China. However, this wetland area has decreased in size and deteriorated in quality owing to expanded agricultural activities since the 1950s. Converting farmlands to wetlands is necessary to improve these conditions. Usi...

journal_title：Environmental management

authors： Huang N,Wang Z,Liu D,Niu Z

更新日期：2010-11-01 00:00:00

abstract：:We examined long-term (10 years) meadow plant community responses to (1) livestock grazing under riparian grazing utilization limits; (2) suspension of livestock grazing; and (3) meadow site wetness and precipitation on the Inyo National Forest, California. Observed trends in meadow plant species richness, diversity, ...

journal_title：Environmental management

authors： Freitas MR,Roche LM,Weixelman D,Tate KW

更新日期：2014-08-01 00:00:00

abstract：:Climate change will further exacerbate wetland deterioration, especially in the Mediterranean region. On the one side, it will accelerate the decline in the populations and species of plants and animals, this resulting in an impoverishment of biological abundance. On the other one, it will also promote biotic homogeni...

journal_title：Environmental management

authors： Faccioli M,Riera Font A,Torres Figuerola CM

更新日期：2015-03-01 00:00:00

abstract：:Urban vegetation can mitigate increases in summer air temperature by reducing the solar gain received by buildings. To quantify the temperature-moderating influence of city trees and vine-covered buildings, a total of 13 pairs of temperature loggers were installed on the surfaces of eight buildings in downtown Toronto...

journal_title：Environmental management

authors： Millward AA,Torchia M,Laursen AE,Rothman LD

更新日期：2014-06-01 00:00:00

abstract：:Sea level rise (SLR) is posing a great inundation risk to coastal areas. Some coastal nesting species, including sea turtle species, have experienced diminished habitat from SLR. Contingent valuation method (CVM) was used in an effort to assess the economic loss impacts of SLR on sea turtle nesting habitats for Florid...

journal_title：Environmental management

authors： Hamed A,Madani K,Von Holle B,Wright J,Milon JW,Bossick M

更新日期：2016-01-01 00:00:00

abstract：:Taking 109 gymnosperm species in China as a case, the uncertainty and risk of losing habitat areas of gymnosperm species under future climate conditions were investigated via representative concentration pathways climate change scenarios, fuzzy set classifications and Monte Carlo techniques. Under nonrandom climate ch...

journal_title：Environmental management

authors： Wu J

更新日期：2020-04-01 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：:The dominant environmental determinants of aquatic communities have been a persistent topic for many years. Interactions between natural and anthropogenic characteristics within the aquatic environment influence fish communities in complex ways that make the effect of a single characteristic difficult to ascertain. Re...

journal_title：Environmental management

authors： Schnier S,Cai X,Cao Y

更新日期：2016-02-01 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：:The objective of this article is to apply fuzzy set and interpolation techniques for land suitability evaluation for maize in Northern Ghana. Land suitability indices were computed at point observations using the Semantic Import (SI) model, whereas spatial interpolation was carried out by block kriging. Interpolated l...

journal_title：Environmental management

authors： Braimoh AK,Vlek PL,Stein A

更新日期：2004-02-01 00:00:00

abstract：:Hydrogeomorphic (HGM) functional assessment models were used to assess whether function in created wetlands of two ages (1 year old and >12 years old) was equivalent to that of natural (reference) mainstem floodplain wetlands. Reference wetlands scored higher than both created age classes for providing energy dissipat...

journal_title：Environmental management

authors： Hoeltje SM,Cole CA

更新日期：2009-04-01 00:00:00

abstract：:We critically evaluate some of the key ecological assumptions underpinning the use of nutrient replacement as a means of recovering salmon populations and a range of other organisms thought to be linked to productive salmon runs. These assumptions include: (1) nutrient mitigation mimics the ecological roles of salmon,...

journal_title：Environmental management

authors： Collins SF,Marcarelli AM,Baxter CV,Wipfli MS

更新日期：2015-09-01 00:00:00

abstract：:Recreational beach use with off-road vehicles is popular, but potentially harmful from an environmental perspective. Beaches are important habitats to invertebrates such as ghost crabs of the genus Ocyopde, which excavate extensive and elaborate burrows. Ghost crabs are sensitive to human pressures and changes in burr...

journal_title：Environmental management

authors： Lucrezi S,Schlacher TA

更新日期：2010-06-01 00:00:00

abstract：:Depletion of vegetation by overgrazing in arid environments has long-lasting effects on the environmental quality over extended geographic areas. An adequate inspection of habitat changes requires scaled up procedures that would allow assessing end-points of environmental status in broad areas that would be based on p...

journal_title：Environmental management

authors： Bertiller MB,Ares JO,Bisigato AJ

更新日期：2002-11-01 00:00:00

abstract：:Land-use planning using geographic information systems (GIS) commonly emphasizes biophysical spatial data; however planning can be improved by integrating spatial sets of socioeconomic data into the GIS. As an example, we compared a traditional GIS-aided forestry planning protocol that considered only biophysical suit...

journal_title：Environmental management

authors： Webb EL,Thiha

更新日期：2002-08-01 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：:Ecological impacts associated with nature-based recreation and tourism can compromise park and protected area goals if left unrestricted. Protected area agencies are increasingly incorporating indicator-based management frameworks into their management plans to address visitor impacts. Development of indicators requir...

journal_title：Environmental management

authors： Walden-Schreiner C,Leung YF

更新日期：2013-07-01 00:00:00

abstract：:/ Effects of protective fencing on birds, lizards, black-tailed hares (Lepus californicus), perennial plant cover, and structural diversity of perennial plants were evaluated from spring 1994 through winter 1995 at the Desert Tortoise Research Natural Area (DTNA), in the Mojave Desert, California. Abundance and specie...

journal_title：Environmental management

authors： BROOKS M

更新日期：1999-04-01 00:00:00

abstract：:The adoption of environmentally sustainable techniques by cooperatives and small companies results in specific difficulties rarely discussed in the literature. This paper describes an "action-research" carried out by seafood cultivators and university researchers in Guanabara Bay, which resulted in the substitution of...

journal_title：Environmental management

authors： Bessa Eda S,d'Avignon A,Valle R,Teixeira MG

更新日期：2004-09-01 00:00:00

abstract：:Increased interest in environmental change issues has led researchers to consider more integrated approaches to change dynamics. This paper examines change in terms of land degradation in north-central Botswana from both biophysical and human perspectives. Although seasonal and periodic droughts were prevalent, analys...

journal_title：Environmental management

authors： Ringrose S,Chanda R,Nkambwe M,Sefe F

更新日期：1996-05-01 00:00:00

abstract：:Restoration efforts to increase wildlife habitat quality in agricultural landscapes have limited funding and are typically done on a first come, first serve basis. In order to increase the efficiency of these restoration efforts, a prioritized ranking system is needed to obtain the greatest increase in habitat quality...

journal_title：Environmental management

authors： Holzmueller EJ,Gaskins MD,Mangun JC

更新日期：2011-07-01 00:00:00

abstract：:This study has explored social carrying capacity of an underwater environment based on divers' perceived crowding. Two dimensions were assessed, the number of divers seen and the proximity of diver. Data were obtained from a survey of 132 divers dived in Mabul Island, Malaysia during 2013-2014. Photographs depicting f...

journal_title：Environmental management

authors： Zhang L,Chung S

更新日期：2015-12-01 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：:Impervious surfaces degrade urban water quality, but their over-coverage has not explained the persistent water quality variation observed among catchments with similar rates of imperviousness. Land-cover patterns likely explain much of this variation, although little is known about how they vary among watersheds. Our...

journal_title：Environmental management

authors： Beck SM,McHale MR,Hess GR

更新日期：2016-07-01 00:00:00

abstract：:Employing in-depth, elite interviews, this empirical research contributes to understanding the dynamics among policy windows, policy change, and organizational learning. First, although much of the research on agenda setting-how issues attract enough attention that action is taken to address them-has been conducted at...

journal_title：Environmental management

authors： Michaels S,Goucher NP,McCarthy D

更新日期：2006-12-01 00:00:00

abstract：:Soil heavy metal pollution threatens ecological health and food security. It is significant to classify pollution risk management and control zones, which can effectively cope with soil pollution and scientifically carry out soil remediation projects. In this study, based on 665 soil samples collecting from Ningbo (so...

journal_title：Environmental management

authors： Xiang M,Li Y,Yang J,Li Y,Li F,Hu B,Cao Y

更新日期：2020-12-01 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：:Eutrophication is a serious water quality problem in estuaries receiving increasing anthropogenic nutrient loads. Managers undertaking nutrient-reduction strategies aimed at controlling estuarine eutrophication are faced with the challenge that upstream freshwater segments often are phosphorus (P)-limited, whereas mor...

journal_title：Environmental management

authors： Paerl HW,Valdes LM,Piehler MF,Stow CA

更新日期：2006-03-01 00:00:00