نتایج جستجو برای: brackish water

تعداد نتایج: 551445  

2006
Uwe Schleiff

Due to the lack of good quality water for human consumption and industry, in many countries irrigated agriculture is exposed to increasing pressure to expand the use of brackish and even high-saline waters for crop production. The application of lower quality waters requires special management practices, which are not yet fully understood with respect to optimization of plant growth on saline s...

2008
David E. Rosenberg Jay R. Lund

Stochastic mixed-integer optimization is used to identify a portfolio of longand short-term supply and conservation actions for a municipal water system to cost-effectively accommodate a distribution of water shortages. Alternative robust, grey-number, and best/ worst case formulations systematically explore implications of uncertainties in action costs, life spans, water volumes gained or save...

2006
Tom Wiklund

The survival of 'atypical', cytochrome oxidase-negative Aeromonas salmonicida in microcosms containing sterilized water and sediment was assessed using the plate count method. The effect of sal~nity, temperature and presence of sediment was investigated on the survival of 2 strains isolated from ulcerated flounder Platjcl~thys flesus from the northern Baltic Sea. The strains survived for only a...

2015
Qiufang Zhang Fangyuan Tang Yangjing Zhou Jirong Xu Heping Chen Mingkuang Wang Hendrikus J. Laanbroek

Aerobic ammonia oxidation plays a key role in the nitrogen cycle, and the diversity of the responsible microorganisms is regulated by environmental factors. Abundance and composition of ammonia-oxidizing archaea (AOA) and ammonia-oxidizing bacteria (AOB) were investigated in the surface waters along an environmental gradient of the Yong River in Ningbo, East China. Water samples were collected ...

2017
Anti Vasemägi Janne Sulku Matthieu Bruneaux Olaf Thalmann Hannu Mäkinen Mikhail Ozerov

Both effective population size and life history may influence the efficacy of purifying selection, but it remains unclear if the environment affects the accumulation of weakly deleterious nonsynonymous polymorphisms. We hypothesize that the reduced energetic cost of osmoregulation in brackish water habitat may cause relaxation of selective constraints at mitochondrial oxidative phosphorylation ...

2010
A. I. Schäfer A. Broeckmann B. S. Richards

In isolated communities where potable water sources as well as energy grids are limited or nonexistent, treating brackish groundwater aquifers with small-scale desalination systems is an interesting and sometimes viable alternative to existing water infrastructures. With regards to the performance of intermittently operated desalination systems only very limited experience exists, both with reg...

2013
Pan Zhang Jingtao Hu Wei Li Houbo Qi

Brackish water (BW) desalination is a primary path to relieve the shortage of water. As one of the BW desalination methods, reverse osmosis (RO) technology has advantage for both technology and process procedure. The expounding of this research studied or reviewed recent years, reverse osmosis membrane, energy recovery, new energy and application technology in BW desalination of RO at home and ...

Journal: :The Korean journal of parasitology 2003
Woon-Mok Sohn Eun-Taek Han Min Seo Jong-Yil Chai

The metacercariae of Acanthotrema felis Sohn et al., 2003 (Digenea: Heterophyidae) were discovered in a species of the brackish water fish, Acanthogobius flavimanus, in the Republic of Korea. They were experimentally fed to kittens, and adult flukes were harvested 7 days later. The adults were morphologically characterized by the presence of a bipartite seminal vesicle, the ventral sucker assoc...

B. Mojazi Amiri, K. hosravi-Katuli, S. Yelghi,

  The stocks of Caspian roach ( Rutilus rutilus ), an economically important species in the Caspian Sea, is depleting. Annually, millions of fingerlings of these species are produced artificially and restock in the mouth of Qare Soo River in the Southern Caspian Sea, where they exposed to the pesticides coming from rice and orchard farms in the region. The fate of this exposure in hypo-osm...

2009
ISABELLA A. ABBOTT

of the Territorial Board of Agriculture and Forestry and the University of Hawaii. Manuscript received February 28, 1947. 2 The author completed most of the work on this paper while on the Department of Botany staff, University of Hawaii, and finished the manuscript at the University of California, Berkeley, with the aid of the excellent algal herbarium (cited as U. C. Herb.) and library at the...

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