نتایج جستجو برای: tropical estuary

تعداد نتایج: 76170  

2007
José Antonio Mompean

This paper examines the ontological status of the supposedly new accent of England termed Estuary English by comparing its phonetics with those of Received pronunciation and Cockney, two varieties with which Estuary English is often compared. The paper also discusses some of the criteria that may be used to draw the boundaries between the three varieties and the potential status of Estuary Engl...

2013
Mélanie Raimonet Françoise Andrieux-Loyer Olivier Ragueneau Emma Michaud Xavier Philippon Michel Nonent Laurent Mémery

12 13 This study aims to investigate the role of spatial and temporal physical, biological and 14 biogeochemical gradients on sediment biogeochemistry along a macrotidal and Si-rich estuary. 15 Scanning and biogeochemical analyses were performed in the inner, mid and outer Aulne Estuary 16 (France) at four seasons. The inner estuary shows high diagenetic activity linked to fluid mud 17 dynamics...

Journal: :The Science of the total environment 2009
M Villa F Mosqueda S Hurtado J Mantero G Manjón R Periañez F Vaca R García-Tenorio

The Huelva Estuary in Huelva, Spain, has been one of the most studied environmental compartments in the past years from the point of view of naturally occurring radioactive material (NORM) releases. It has been historically affected by waste releases, enriched in radionuclides from the U-decay series, from factories located in the area devoted to the production of phosphoric acid and phosphate ...

2016
David A. Sutherland Molly A. O'Neill

Hypoxia is an issue of growing concern for coastal communities. In the California Current System, a prototypical eastern boundary current, attention has been focused on explaining the trend of increasing shelf hypoxia. Despite the regional focus on hypoxia in eastern boundary regions, relatively few studies have examined smaller estuarine systems. Here, we present results from an observational ...

2011
Adam Woźniczka Sławomira Gromisz Norbert Wolnomiejski

During a study carried out in spring-summer 2010, the invasive Ponto-Caspian polychaete Hypania invalida (Grube, 1960) was recorded for the first time in the southern part of the River Odra estuary (southern Baltic). This is the first record of this species in Poland or in any a Baltic estuary. The appearance of H. invalida in the Odra estuary coincided with flood water descent in the Odra, sug...

2014
Mohamed Ali Geawhari Lloyd Huff Nadia Mhammdi Athena Trakadas Abdellah Ammar

BACKGROUND Several different classifications to characterize estuarine systems have been proposed. In this present paper, one of the most important estuaries in North Africa, the Oued Loukkos (Morocco), forms a case-study for proposing a systematic classification of this particular tidal estuary according to the vertical salinity gradient. FINDINGS This study, conducted using a CTD, shows tha...

2008
W. R. Geyer R. Chant R. Houghton

[1] A sequence of dye releases in the Hudson River estuary provide a quantitative assessment of horizontal dispersion in a partially mixed estuary. Dye was released in the bottom boundary layer on 4 separate occasions, with varying tidal phase and spring-neap conditions. The three-dimensional distribution of dye was monitored by two vessels with in situ, profiling fluorometers. The three-dimens...

2012

NOTE – NMFS is in the process of writing individual stock assessment reports for each of the 32 bay, sound and estuary stocks of bottlenose dolphins that are included in this report. Until this effort is completed and this report is replaced by 32 individual reports, basic information for all individual bay, sound and estuary stocks will remain in this report: “Northern Gulf of Mexico Bay, Soun...

Journal: :The Biological bulletin 1995
Dwm Alderman B R Balsis I D Buffam R H Garritt C S Hopkinson J J Vallino

In this experiment we quantified pelagic metabolism in the Plum Island Sound estuary, Massachusetts. Pelagic metabolism is an important process in estuarine ecosystems, with in situ primary production usually being the primary source of organic carbon supporting the trophic web. Production and respiration were determined by incubating water in bottles for 14 and 24 h every other day for three c...

Journal: :Biology letters 2015
David B Eggleston Erika Millstein Gayle Plaia

Information on migration patterns is critical to using no-take migratory corridors and marine reserves to protect the spawning stock of commercially exploited species. Both active and passive acoustic tracking methods quantified movement of commercially and ecologically important blue crabs in the White Oak River estuary, NC, USA. We targeted post-mating female crabs migrating down-estuary to o...

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