Evaluation of deposited sediment and macroinvertebrate metrics used to quantify biological response to excessive sedimentation in agricultural streams.

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：:The long-term Biological Monitoring and Abatement Program (BMAP) has always needed to collect and retain high-quality data on which to base its assessments of ecological status of streams and their recovery after remediation. Its formal quality assurance, data processing, and data management components all contribute ...

journal_title：Environmental management

authors： Christensen SW,Brandt CC,McCracken MK

更新日期：2011-06-01 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：:The Southeastern United States is a global center of freshwater biotic diversity, but much of the region's aquatic biodiversity is at risk from stream degradation. Nonpoint pollution sources are responsible for 70% of that degradation, and controlling nonpoint pollution from agriculture, urbanization, and silviculture...

journal_title：Environmental management

authors： Potter KM,Cubbage FW,Blank GB,Schaberg RH

更新日期：2004-07-01 00:00:00

abstract：:In agricultural landscapes, studies that identify factors driving species richness and occupancy are important because they can guide farmers to use conservation practices that minimize species loss. In this context, anurans are threatened by habitat loss because they depend on the characteristics of both local water ...

journal_title：Environmental management

authors： Prado VH,Rossa-Feres Dde C

更新日期：2014-04-01 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：:Integrated management and policy models suggest that solutions to environmental issues may be linked to the socioeconomic and political characteristics of a nation. In this study, we empirically explore these suggestions by applying them to the wetland management activities of nations. Structural equation modeling was...

journal_title：Environmental management

authors： La Peyre MK,Mendelssohn IA,Reams MA,Templet PH,Grace JB

更新日期：2001-06-01 00:00:00

abstract：:Multivariate clustering based on fine spatial resolution maps of elevation, temperature, precipitation, soil characteristics, and solar inputs has been used at several specified levels of division to produce a spectrum of quantitative ecoregion maps for the conterminous United States. The coarse ecoregion divisions ac...

journal_title：Environmental management

authors： Hargrove WW,Hoffman FM

更新日期：2004-01-01 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：:Dry grasslands are one of the most species rich and endangered types of vegetation in Europe. In the Czech Republic, dry grasslands are mainly of anthropogenic origin and were formed as a result of grazing after the clear-cutting of thermophilous oak woods. Gradual changes in the farming landscape throughout the 20th ...

journal_title：Environmental management

authors： Dostálek J,Frantík T

更新日期：2012-04-01 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：:We developed a mechanistic life-cycle model derived from the elicitation of multiple factors influencing the success of individual life-stages of the imperiled delta smelt (Hypomesus transpacificus). We discuss the relevance of limiting factors in population ecology and problems with additive models in detecting them....

journal_title：Environmental management

authors： Hamilton SA,Murphy DD

更新日期：2018-08-01 00:00:00

abstract：:Riparian zones are critical for protecting water quality and wildlife, but are often impacted by human activities. Ongoing threats and uncertainty about the effectiveness of buffer regulations emphasize the importance of monitoring riparian buffers through time. We developed a method to rapidly categorize buffer width...

journal_title：Environmental management

authors： Owers KA,Albanese B,Litts T

更新日期：2012-03-01 00:00:00

abstract：:Management of forests, rangelands, and wetlands on public lands, including the restoration of degraded lands, has the potential to increase carbon sequestration or reduce greenhouse gas (GHG) emissions beyond what is occurring today. In this paper we discuss several policy options for increasing GHG mitigation on publ...

journal_title：Environmental management

authors： Olander LP,Cooley DM,Galik CS

更新日期：2012-03-01 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：: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 river system is a network of intertwining channels and tributaries, where interacting flow and sediment transport processes are complex and floods may frequently occur. In water resources management of a complex system of rivers, it is important that instream discharges and sediments being carried by streamflow are ...

journal_title：Environmental management

authors： Yitian L,Gu RR

更新日期：2003-01-01 00:00:00

abstract：:Australia's Landcare program is advanced as a successful international example of local watershed groups and governments working together to improve natural resource management. One of the aspects considered critical in the success of watershed groups is engaging widespread participation. This paper draws on two regio...

journal_title：Environmental management

authors： Byron I,Curtis A

更新日期：2002-07-01 00:00:00

abstract：:It is a vexing problem to achieve a consensus about the proper scientific way to assess population viability for habitat conservation plans. Rather than a hypothesis-testing approach, here it is proposed to select population models, estimate extinction parameters, and assess prediction uncertainty using a pragmatic, e...

journal_title：Environmental management

authors： FOLEY P

更新日期：2000-07-01 00:00:00

abstract：:Public and private companies make significant water infrastructure investments to meet increasing water demand. In this context, investments in wastewater treatment plants (WWTPs), which play an important role in recycling of used water, are also increasing. This study investigates determination of the efficiency scor...

journal_title：Environmental management

authors： Ayyildiz E,Yildiz A,Taskin Gumus A,Ozkan C

更新日期：2020-10-30 00:00:00

abstract：:/ Time and money could be saved and better invested on environmental monitoring and assessment programs if redundant elements in biological communities were identified. Either aggregation of species into higher taxonomic groupings or selection of indicator taxa are known procedures to eliminate redundancy in large fau...

journal_title：Environmental management

authors： Saiz-Salinas JI,González-Oreja JA

更新日期：1999-10-01 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：: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：: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：:The adaptive management leitmotiv of "learning to manage and managing to learn" sets out an attractive agenda for dealing with the overwhelming complexity of environmental phenomena that humans have problematized. To ensure that this rallying cry translates into effective action, it is important to give consideration ...

journal_title：Environmental management

authors： Stubbs M,Lemon M

更新日期：2001-03-01 00:00:00

abstract：:Various approaches have been used to classify large geographical areas into smaller regions of similar water quality or extrapolate water-quality data from a few streams to other unmonitored streams. A combination of some of the strengths of existing techniques is used to develop a new approach for these purposes. In ...

journal_title：Environmental management

authors： Robertson DM,Saad DA

更新日期：2003-05-01 00:00:00

abstract：:/ The main objectives of this study were to identify the regions inFennoscandia where the critical loads of sulfur (S) and acidifying nitrogen(N) for lakes are exceeded and to investigate the consequences for depositionreductions, with special emphasis on the possible trade-offs between S and Ndeposition in order to a...

journal_title：Environmental management

authors： Posch M,Kamari J,Forsius M,Henriksen A,Wilander A

更新日期：1997-03-01 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：: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：:The stability of cohesive sediment deposits during a rare storm is a critical component in the evaluation of remedial options at a contaminated sediment site. Estimating scour depths during a rare storm, and the resulting contaminant concentrations in the surficial layer of the bed, is necessary for comparing the effi...

journal_title：Environmental management

authors： Ziegler CK

更新日期：2002-03-01 00:00:00