نتایج جستجو برای: sampling stations

تعداد نتایج: 243372  

Journal: :محیط شناسی 0
مریم کیانی صدر کارشناس ارشد آلودگی محیط زیست واحد علوم و تحقیقات دانشگاه آزاد اسلامی اهواز پروین نصیری استاد دانشکدة بهداشت دانشگاه علوم پزشکی تهران محمد صادق سخاوتجو استادیار گروه مهندسی محیط زیست واحد علوم و تحقیقات دانشگاه آزاد اسلامی اهواز مجید عباسپور دانشیار گروه مکانیک دانشگاه صنعتی شریف تهران

the main objective of the research is to study noise pollution in khorram abad, presenting executive strategies to control or reduce it. therefore, 38 stations were selected at the region to measure the noise level round-the-clock, and the samples were also taken for a week in the middle of spring and summer, 2007. the measurements were carried out during the day (7:00 am to 10:00 pm) and night...

2013
Mohamad Pauzi Zakaria Muhammad Raza Nor Rasidah Hashim

Mangrove sediments act as site of organic carbon accumulation in estuary. This paper aims to determine the distribution of OC content in mangrove sediment in mangrove root zone. Three replicate samples of mangrove sediment were collected from seven stations. Six in-situ water quality parameters were measured during low tide along the river. The OC content in mangrove sediment varied significant...

Journal: :شیلات 0
الهام میررسولی باشگاه پژوهشگران جوان، دانشگاه آزاد اسلامی، لاهیجان، ایران رسول قربانی 2دانشگاه علوم کشاورزی و منابع طبیعی، دانشکده شیلات، گرگان، ایران

this study was conducted to assess water quality level of zarin gol stream on macrobenthic invertebrates. macrobenthic fauna were sampled from 9 selected sampling stations along the stream with an average distance of 22 km by using a surber sampler every 45 days during the year. sampling was replicated 9 times in each sampling station. collected samples were fixed with 4% formalin, isolated, an...

Journal: :The Science of the total environment 2006
Joanna Burger Stephen Jewett Michael Gochfeld Max Hoberg Shawn Harper Heloise Chenelot Christian Jeitner Sean Burke

It is increasingly clear that the public, native tribes, and governmental agencies are interested in assessing the well-being of natural resources and ecosystems. This may take the form of understanding species presence, monitoring population status and trends, measuring behavior, or quantifying physiology, biological stresses, or chemical/radiological exposure through biomarkers. Often there i...

2008
D. Gaughan M. Craine P. Stephenson T. Leary

Regrowth of pilchard (Sardinops sagax) stocks off southern WA following the mass mortality event of 1998/99 Final FRDC Report – Project 2000/135 may be reproduced by any process, electronic or otherwise, without the specific written permission of the copyright owners. Neither may information be stored electronically in any form whatsoever without such permission. The Fisheries Research and Deve...

F Lakzaie , F Owfi , M Doustdar , M Ramin,

During a survey of Gahar Lake and Gahar River from 2008 to 2009 some specimen obtained by seasonal sampling in 6 stations, 3 stations in the lake and 3 stations in the river. Three different methods were used for sampling, gill net and hook in the lake and electrofishing in the river. Due to the results 3 species from 2 families in Gahar Lake and 12 species form 3 families in Gahar River were...

ژورنال: اکوبیولوژی تالاب 2021
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Indices qualitative pollution is one of procedures involved in managing quality water can be a powerful management tool for decision-making, as an appropriate-use. In this paper, using done index quality water BCWQI and index pollution water Liou evaluate quality of river Bahmanshir. Sampling was within one year (2019) and 5 stations conducted. Quality parameters were investigated including: te...

2015
Neslihan Balkis Yelda Aktan Nuray Balkis

The aim of this paper was to establish the annual variations in nutrient and chlorophyll-a concentrations. Samples were collected from June 2003 to May 2004 at five stations in the coastal waters of the Bosphorus. Nitrate+nitrite, phosphate and silicate concentrations in winter were higher than other sampling periods. Chlorophyll-a concentrations ranged between 0.54 and 6.13 μg l .

2002

The Global Network of Isotopes in Precipitation consisted of 153 active stations in 2001. As can be seen in the map above, active stations are classified as " IAEA " or " National Network " (NN). The " IAEA " stations are those where national institutes are performing the monthly sampling, compiling the meteorological parameters and shipping samples to the IAEA for isotope analyses. The " Natio...

2007
J. González

GONZÁLEZ DEL RÍO, J.; ROMERO, I.; FALCO, S.; RODILLA, M.; SAEZ, M.; SIERRA, J.P.; SÁNCHEZ-ARCILLA; A., AND MÖSSO, C., 2007. Changes in phytoplankton population along the saline gradient of the Júcar Estuary and plume. Journal of Coastal Research, S1(47), 63–68. West Palm Beach (Florida), ISSN 0749-0208. This paper presents the results of phytoplankton counts carried out with epifluorescence at ...

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