نتایج جستجو برای: marine environmen
تعداد نتایج: 93154 فیلتر نتایج به سال:
Although TEX is a reliable, high-quality and well-understood tool for authors writing their conference and journal articles, editors and typesetters face a much more difficult task when they want to compose articles for actual journal publication or preprints. We present organisational and software solutions for problems editors of journals and proceedings might face. As case studies we present...
Article history: This paper discusses largeReceived 1 May 2007 Received in revised form 27 January 2008 Accepted 2 December 2008 Available online 20 February 2009
Sound patterns of vowel harmony reduce articulatory effort which facilitates speech production with increased speech rate and accuracy. We argue that back harmony patterns reduce articulatory effort compared to height harmony and non-harmony patterns and harmony patterns formed from front unrounded (FU) vowels reduce articulatory effort compared to those of front rounded (FR)vowels. We report o...
The majority (>99%) of microorganisms from the environment resist cultivation in the laboratory. Ribosomal RNA analysis suggests that uncultivated organisms are found in nearly every prokaryotic group, and several divisions have no known cultivable representatives. We designed a diffusion chamber that allowed the growth of previously uncultivated microorganisms in a simulated natural environmen...
Detecting ships in marine images is an essential problem in maritime surveillance systems. Although several types of deep neural networks have almost ubiquitously used for this purpose, but the performance of such networks greatly drops when they are exposed to low size and low contrast images which have been captured by passive monitoring systems. On the other hand factors such as sea waves, c...
As sea surface temperatures rise and the global human population increases, large-scale field observations of marine organism health and water quality are increasingly necessary. We investigated the health of corals from the family Fungiidae using visual observations in relation to water quality and microbial biogeochemistry parameters along 1300 km of the Red Sea coast of Saudi Arabia. At larg...
The fluid mechanics of marine and terrestrial systems are surprisingly similar at many spatial and temporal scales. Not surprisingly, the dispersal of organisms that float, swim or fly is influenced by the fluid environments of air and seawater. Nonetheless, it has been argued repeatedly that the geography of evolution differs fundamentally between marine and terrestrial taxa. Might this view e...
Herein we report on the abundance and composition of floating marine debris (FMD) in coastal waters of the SE-Pacific (off the Chilean coast) during the austral summer 2002. The observed FMD consisted mainly of plastic material (86.9%). Densities of FMD were highest between 20 degrees S and 40 degrees S, corresponding to the main concentrations of human population and activities. Low densities ...
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