Regional and temporal variation in minor ions in groundwater of a part of a large river delta, southern India.

abstract：:The existing data on the species composition of zooplankton and grazing intensities of crustacean plankton are discussed in the light of trophic status, particularly in the Dutch lakes of varying trophy. Several species of rotifers in northern Europe and North America are considered to indicate eutrophic environments....

journal_title：Environmental monitoring and assessment

authors： Gulati RD

更新日期：1983-09-01 00:00:00

abstract：:The mangrove crab Ucides cordatus is widespread in the Brazilian coast, which has an important role in nutrient cycling. This species reproduces in summer and females carry eggs about a month, when they maintain contact with water and sediments. It remains unclear if trace metals can be absorbed or adsorbed by the egg...

journal_title：Environmental monitoring and assessment

authors： de Almeida EV,Kütter VT,Marques ED,da Silva-Filho EV

更新日期：2016-07-01 00:00:00

abstract：:Wind energy is a renewable energy resource that has increased in usage in most countries. Site selection for the establishment of large wind turbines, called wind farms, like any other engineering project, requires basic information and careful planning. This study assessed the possibility of establishing wind farms i...

journal_title：Environmental monitoring and assessment

authors： Azizi A,Malekmohammadi B,Jafari HR,Nasiri H,Amini Parsa V

更新日期：2014-10-01 00:00:00

abstract：:Despite California policies requiring assessment of ambient wetland condition and compensatory wetland mitigations, no intensive monitoring tools have been developed to evaluate freshwater wetlands within the state. Therefore, we developed standardized, wadeable field methods to sample macroinvertebrate communities an...

journal_title：Environmental monitoring and assessment

authors： Lunde KB,Resh VH

更新日期：2012-06-01 00:00:00

abstract：:Little is known about the importance of landscape and land cover to the implementation and performance of agricultural conservation projects designed to improve stream quality. In our study, we addressed the potential importance of landscape and land cover to conservation projects by measuring variation across 191 mu-...

journal_title：Environmental monitoring and assessment

authors： Yates AG,Bailey RC

更新日期：2006-03-01 00:00:00

abstract：:We present data on the distributional changes within an order of macroinvertebrates used in biological water quality monitoring. The British Odonata (dragonflies and damselflies) have been shown to be expanding their range northwards and this could potentially affect the use of water quality metrics. The results show ...

journal_title：Environmental monitoring and assessment

authors： Hassall C,Thompson DJ,Harvey IF

更新日期：2010-01-01 00:00:00

abstract：:Fipronil and 2,4-D are two main pesticides of sugarcane cultivation in Brazil. While pesticides have helped to improve food quality and quantity, the continuous increase in usage has raised concerns over the unintended negative environmental impacts they introduce. Mesocosm systems are used as surrogate ecosystems to ...

journal_title：Environmental monitoring and assessment

authors： Goulart BV,Vizioli BC,Espindola ELG,Montagner CC

更新日期：2020-11-27 00:00:00

abstract：:A suite of heavy metals was monitored at sediments and overlying water in three urban lakes located in Seoul, Korea during spring season 2006. Metals measured were zinc, arsenic, chromium, copper, nickel, and cadmium. All metal concentrations in urban lake sediments were much higher than those in natural lake sediment...

journal_title：Environmental monitoring and assessment

authors： Baek YW,An YJ

更新日期：2010-12-01 00:00:00

abstract：:Surface sediments samples from the Cochin estuary were measured for elemental, stable isotopic and molecular biomarkers (aliphatic hydrocarbons and fatty acids) to study the sources and distribution of sedimentary organic matter. Concentrations of total organic carbon (TOC), total nitrogen (TN) and stable isotopic rat...

journal_title：Environmental monitoring and assessment

authors： Gireeshkumar TR,Deepulal PM,Chandramohanakumar N

更新日期：2015-03-01 00:00:00

abstract：:The concept of ecosystem conservation as a broad theme came into existence during the 1970s under the Man and Biosphere Programme (MAB) of the United Nations Educational, Scientific and Cultural Organization (UNESCO). The Indian Government followed this approach and chose the method to segregate the landscape for cons...

journal_title：Environmental monitoring and assessment

authors： Nautiyal S,Kaechele H

更新日期：2009-06-01 00:00:00

abstract：:4-[N,N-(Dimethyl)amino]benzaldehyde thiosemicarbazone (DMABT) is proposed as an analytical reagent for the extractive spectrophotometric determination of copper(II). DMABT forms yellow colored complex with copper(II) in the pH range 4.4-5.4. Beer's law is obeyed in the concentration range up to 4.7 μg mL(-1). The opti...

journal_title：Environmental monitoring and assessment

authors： Karthikeyan J,Naik PP,Shetty AN

更新日期：2011-05-01 00:00:00

abstract：:Accurate characterization of heavy-metal contaminated areas and quantification of the uncertainties inherent in spatial prediction are crucial for risk assessment, soil remediation, and effective management recommendations. Topsoil samples (0-15 cm) (n=547) were collected from the Zhangjiagang suburbs of China. The se...

journal_title：Environmental monitoring and assessment

authors： Zhao Y,Xu X,Sun W,Huang B,Darilek JL,Shi X

更新日期：2008-03-01 00:00:00

abstract：:Changes in the benthic macroinvertebrate community in the Arente River (a tributary of the Crati river in the Region of Calabria, Italy) were monitored monthly for 1 year through stratified sampling by habitat (pools and riffles) together with general descriptors of communities structure and the extended biotic index ...

journal_title：Environmental monitoring and assessment

authors： Gallo L,De Filippis A,Mezzotero A,Voelz NJ,Lucadamo L

更新日期：2010-07-01 00:00:00

abstract：:One year after the Deepwater Horizon oil spill accident, semipermeable membrane devices (SPMDs) and polyethylene devices (PEDs) were deployed in wetland areas and coastal areas of the Gulf of Mexico (GOM) to monitor polycyclic aromatic hydrocarbons (PAHs). The measured PAH levels with the PEDs in coastal areas were 0....

journal_title：Environmental monitoring and assessment

authors： Hong Y,Wetzel D,Pulster EL,Hull P,Reible D,Hwang HM,Ji P,Rifkin E,Bouwer E

更新日期：2015-10-01 00:00:00

abstract：:Soil, rock and water samples were collected from India's oldest coalfield Raniganj to investigate trace metal contamination from mining activity. Our data reveal that trace metal concentration in soil samples lies above the average world soil composition; especially, Cr, Cu, Ni and Zn concentrations exceed the maximum...

journal_title：Environmental monitoring and assessment

authors： Das SK,Chakrapani GJ

更新日期：2011-06-01 00:00:00

abstract：:The use of native plants was examined in three rural communities in the semi-arid of the state of Pernambuco, in northeastern Brazil. The techniques employed in the present study combined a number of different techniques of data-gathering, including semi-structured interviews, guided tour, key-informants, and particip...

journal_title：Environmental monitoring and assessment

authors： Lucena RF,Albuquerque UP,Monteiro JM,Almeida Cde F,Florentino AT,Ferraz JS

更新日期：2007-02-01 00:00:00

abstract：:Monitoring networks aiming to assess the state of groundwater quality and detect or predict changes could increase in efficiency when fitted to vulnerability and pollution risk assessment. The main purpose of this paper is to describe a methodology aiming at integrating aquifers vulnerability and actual levels of grou...

journal_title：Environmental monitoring and assessment

authors： Preziosi E,Petrangeli AB,Giuliano G

更新日期：2013-05-01 00:00:00

abstract：:The activity concentrations of soil samples collected from thirty different locations of Malwa region of Punjab were determined by using HPGe detector based on high-resolution gamma spectrometry system. The range of activity concentrations of 226Ra, 232Th and 40K in the soil from the studied areas varies from 18.37 Bq...

journal_title：Environmental monitoring and assessment

authors： Mehra R,Singh S,Singh K,Sonkawade R

更新日期：2007-11-01 00:00:00

abstract：:Radon-222 is a naturally occurring radioactive gas in the uranium-238 decay series that has traditionally been called, simply, radon. The lung cancer risks associated with the inhalation of radon decay products have been well documented by epidemiological studies on populations of uranium miners.The realization that r...

journal_title：Environmental monitoring and assessment

authors： Cecil LD,Gesell TF

更新日期：1992-01-01 00:00:00

abstract：:A field experiment was conducted over two seasons to evaluate the dissipation kinetics and assess the risks of chlorfenapyr in tomato and cabbage following foliar application of chlorfenapyr 10% SC at 100 and 200 g a.i. ha-1. Samples of tomato, cabbage, and soil were analyzed and quantified by gas chromatography-elect...

journal_title：Environmental monitoring and assessment

authors： Patra S,Ganguly P,Barik SR,Samanta A

更新日期：2018-01-09 00:00:00

abstract：:Extracellular polymeric substances (EPS) were extracted from Aspergillus fumigatus using cationic exchange resin technique. The EPS were mainly composed of polysaccharide and low quantities of protein and nucleic acid. Biosorption of Cd(II), Pb(II), and Cu(II) of EPS was investigated as a function of pH using differen...

journal_title：Environmental monitoring and assessment

authors： Yin Y,Hu Y,Xiong F

更新日期：2013-08-01 00:00:00

abstract：:The emission of the dioxin-like compounds from on-site waste incinerators of seven schools in Kyonggi Province of Korea was evaluated by determination of the cytochrome P4501A(CYP1A) catalytic activity and antiestrogenic activity using cell culture microbioassay. The residue samples were extracted in a Soxhlet apparat...

journal_title：Environmental monitoring and assessment

authors： Oh SM,Ro KS,Chung KH

更新日期：2003-03-01 00:00:00

abstract：:Monitoring of waterborne pathogens is improved by using concentration methods prior to detection; however, direct microbial enumeration is desired to study microbial ecology and human health risks. The aim of this work was to determine Salmonella presence in river water with an ultrafiltration system coupled with the ...

journal_title：Environmental monitoring and assessment

authors： Jimenez M,Chaidez C

更新日期：2012-07-01 00:00:00

abstract：:Sediment-dwelling macrofauna, polycyclic aromatic hydrocarbons (PAH), and abiotic parameters were monitored annually in benthic marine sediments from 1989-2007 in Port Valdez, a period of declining routine discharge of treated marine ballast water containing residual PAH from a major crude oil loading facility. The re...

journal_title：Environmental monitoring and assessment

authors： Blanchard AL,Feder HM,Shaw DG

更新日期：2011-07-01 00:00:00

abstract：:Changes in forest landscapes resulting from road construction have increased remarkably in the last few years. On the other hand, the sustainable management of forest resources can only be achieved through a well-organized road network. In order to minimize the environmental impacts of forest roads, forest road manage...

journal_title：Environmental monitoring and assessment

authors： Hayati E,Majnounian B,Abdi E,Sessions J,Makhdoum M

更新日期：2013-02-01 00:00:00

abstract：:We describe a low-cost fiber optic sensor for measuring photosynthetically active radiation (PAR) in turbulent flow. Existing technology was combined in a novel way for probe development addressing the need for a small but durable instrument for use in flowing water. Optical components including fiber optics and a wid...

journal_title：Environmental monitoring and assessment

authors： Chudyk W,Flynn KF

更新日期：2015-06-01 00:00:00

abstract：:Inadequate knowledge of baseline conditions challenges ability for monitoring programs to detect pollution in rivers, especially where there are natural sources of contaminants. Here, we use paleolimnological data from a flood-prone lake ("SD2", informal name) in the Slave River Delta (SRD, Canada), ∼ 500 km downstrea...

journal_title：Environmental monitoring and assessment

authors： Elmes MC,Wiklund JA,Van Opstal SR,Wolfe BB,Hall RI

更新日期：2016-05-01 00:00:00

abstract：:The knowledge about effects of different land use patterns on soil hydraulic properties is essential for best land management practices. This study examined hydraulic properties under different non-agricultural land uses in parts of Abeokuta, Southwest Nigeria. Fifteen clusters surface soil samples at a depth of 0-20 ...

journal_title：Environmental monitoring and assessment

authors： Ganiyu SA

更新日期：2018-09-19 00:00:00

abstract：:On percolating water equivalent to 1,156 mm of rainfall, spiromesifen formulation did not leach out of 25-cm long columns, and 62.7 % of this was recovered in 5-10-cm soil depth. In columns treated with the analytical grade, 52.40 % of the recovered spiromesifen was confined to 0-5-cm soil depth, with 0.04 % in leacha...

journal_title：Environmental monitoring and assessment

authors： Mate ChJ,Mukherjee I,Das SK

更新日期：2014-11-01 00:00:00

abstract：:This study investigates the assessment of uncertainty contribution in projected changes of high and low flows from parameterization of a hydrological model and inputs of ensemble regional climate models (RCM). An ensemble of climate projections including 15 global circulation model (GCM)/RCM combinations and two bias ...

journal_title：Environmental monitoring and assessment

authors： Engin BE,Yücel I,Yilmaz A

更新日期：2017-07-01 00:00:00