Landsat ETM+ images in the estimation of seasonal lake water quality in boreal river basins.

abstract：:/ Nitrous oxide (N(2)O) emissions from temperate grasslands are poorly quantified and may be an important part of the atmospheric N(2)O budget. In this study N(2)O emissions were simulated for 1052 grassland sites in the United States using the NGAS model of Parton and others (1996) coupled with an organic matter deco...

journal_title：Environmental management

authors： Mummey DL,Smith JL,Bluhm G

更新日期：2000-02-01 00:00:00

abstract：:Effective management of invasive plants conserves biodiversity values, reduces economic costs, and minimizes negative impacts on human health. Fostering people's awareness of invasive plants is one of the most cost-effective approaches in preventing the spread and introduction of invasive plants. Therefore, this study...

journal_title：Environmental management

authors： Nguyen NA,Eskelson BNI,Meitner MJ,Murray T

更新日期：2020-12-01 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：:/ The risk tropospheric ozone poses to forests in the United States is dependent on the variation in ozone exposure across the distribution of the forests in question and the various environmental and climate factors predominant in the region. All these factors have a spatial nature, and consequently an approach to ch...

journal_title：Environmental management

authors： HOGSETT WE,WEBER JE,TINGEY D,HERSTROM A,LEE EH,LAURENCE JA

更新日期：1997-01-01 00:00:00

abstract：:/ While extinctions of individual species are part of a normal cycle, the current rate of extinctions should be a concern to us all. The maintenance of biological diversity is important for utilitarian reasons, quality of life considerations, and because biodiversity is important to sustainable regional economies. Sin...

journal_title：Environmental management

authors： PIPKIN J

更新日期：1996-11-01 00:00:00

abstract：:Based on government and other relevant documentation, this paper explores the conceptual linkage between population, development, and waste management in Botswana and the implications of this relationship for global climate change. Population is increasing, albeit at a decreasing rate. Spatially, the population is bec...

journal_title：Environmental management

authors： Gwebu TD

更新日期：2003-03-01 00:00:00

abstract：:Spatio-temporal trends in infrastructure footprints, energy production, and landscape alteration were assessed for the Eagle Ford Shale of Texas. The period of analysis was over four 2-year periods (2006-2014). Analyses used high-resolution imagery, as well as pipeline data to map EF infrastructure. Landscape conditio...

journal_title：Environmental management

authors： Pierre JP,Young MH,Wolaver BD,Andrews JR,Breton CL

更新日期：2017-11-01 00:00:00

abstract：:Wild and Scenic Rivers provide a host of psychological, social, ecological, and economic benefits to local communities. In this study, we use data collected from recreational users of two Wild and Scenic Rivers to examine perceptions of the benefits provided by the rivers to local communities. Our purposes are (1) to ...

journal_title：Environmental management

authors： Smith JW,Moore RL

更新日期：2011-05-01 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：:There have been significant diversions of water from rivers and streams around the world; natural flow regimes have been perturbed by dams, barriers and excessive extractions. Many aspects of the ecological 'health' of riverine systems have declined due to changes in water flows, which has stimulated the development o...

journal_title：Environmental management

authors： Shenton W,Bond NR,Yen JD,Mac Nally R

更新日期：2012-07-01 00:00:00

abstract：:/ The rural West of the United States is considered strongly antienvironment. The traditional economic reliance of the area on natural resources has long explained this antienvironment stance. The region consistently elects federal officials who as a group consistently vote against environmental bills and seek to undo...

journal_title：Environmental management

authors： Bennett K,Mcbeth MK

更新日期：1998-05-01 00:00:00

abstract：:Parameters about composition of refuse such as mass percentage of biodegradable matter, volatile solid, organic carbon, cellulose, total sugar, and settlement were monitored and analyzed in a large-scale experimental unit. The empirical formulas between composition and refuse age were established in terms of the data ...

journal_title：Environmental management

authors： Jiangying L,Dimin X,Youcai Z,Shaowei C,Guojian L,Qi Z

更新日期：2004-09-01 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：:Water management has been significantly reshaped throughout recent decades in Europe and worldwide. Vivid examples of this restructuring include Southern European coastal zones which have been transformed into the European "pleasure periphery" over the last 40 years, requiring significant changes in water service prov...

journal_title：Environmental management

authors： Thiel A

更新日期：2010-07-01 00:00:00

abstract：:Studies have shown that ecological restoration projects are more likely to gain public support if they simultaneously increase important human services that natural resources provide to people. River restoration projects have the potential to influence many of the societal functions (e.g., flood control, water quality...

journal_title：Environmental management

authors： Golet GH,Roberts MD,Larsen EW,Luster RA,Unger R,Werner G,White GG

更新日期：2006-06-01 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：:Rehabilitated riparian zones in agricultural landscapes enhance environmental integrity and provide environmental services such as carbon (C) sequestration. This study quantified differences in organic matter input, soil biochemical characteristics, and soil respiration in a 25-year-old rehabilitated (RH), grass (GRS)...

journal_title：Environmental management

authors： Oelbermann M,Raimbault BA,Gordon AM

更新日期：2015-02-01 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：:Humans are rapidly depleting critical ecosystems and the life support functions they provide, increasing the urgency of developing effective conservation tools. Using a case study of the conversion of mangrove ecosystems to shrimp aquaculture, this article describes an effort to develop a transdisciplinary, transinsti...

journal_title：Environmental management

authors： Farley J,Batker D,de la Torre I,Hudspeth T

更新日期：2010-01-01 00:00:00

abstract：:Formulation of standards of quality in parks and outdoor recreation can be guided by normative theory and related empirical methods. We apply this approach to measure the acceptability of a range of use levels in national parks in Turkey and the United States. Using statistical methods for comparing norm curves across...

journal_title：Environmental management

authors： Sayan S,Krymkowski DH,Manning RE,Valliere WA,Rovelstad EL

更新日期：2013-08-01 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：:Payment for Environmental Service programs are increasingly applied in communal settings where resource users collectively join the program and agree to limit their shared use of a common-property resource. Who decides to join PES and the degree to which community members agree with the collective decision is critical...

journal_title：Environmental management

authors： Murtinho F,Hayes T

更新日期：2017-06-01 00:00:00

abstract：:Legislation on the protection of biodiversity (e.g., European Union Habitat and Bird Directives) increasingly requires ecological impact assessment of human activities. However, knowledge and understanding of relevant ecological processes and species responses to different types of impact are often incomplete. In this...

journal_title：Environmental management

authors： Etienne RS,Vos CC,Jansen MJ

更新日期：2003-12-01 00:00:00

abstract：:Cordilleran cypress (Austrocedrus chilensis [D.Don] Pic. Serm. et Bizarri) forests occupy 140,000 ha along a sharp environmental gradient of central Andean-Patagonia in Argentina. Every summer, about 3200 ha of these forests are affected by wildfires, taking thereafter long time to recover. To accelerate forest recove...

journal_title：Environmental management

authors： Urretavizcaya MF,Gonda HE,Defossé GE

更新日期：2017-03-01 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：: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：: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：:We tested the precision and accuracy of the Trimble GeoXTtrade mark global positioning system (GPS) handheld receiver on point and area features and compared estimates of stream habitat dimensions (e.g., lengths and areas of riffles and pools) that were made in three different Oklahoma streams using the GPS receiver a...

journal_title：Environmental management

authors： Dauwalter DC,Fisher WL,Belt KC

更新日期：2006-02-01 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

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