In the present study, changes in benthic communities due to seasonal changes in the water of the southern Caspian Basin were investigated. Sampling was conducted monthly, from March 2006 to March 2007, at six selected stations in Tajan River mouth located on south eastern Caspian Sea. Also secondary benthic production consumable for fish and other biota inhabiting the mouth and adjacent areas w...

To the best of our knowledge, understanding benthic metabolism coastal sedimentary areas is still limited due to complexity determining their true in situ dynamics over large spatial and temporal scales. Multidisciplinary methodological approaches are then necessary increase comprehension factors controlling processes fluxes. An aquatic Eddy Covariance (EC) system Benthic Chambers (BC) were sim...

Modeling mass-transfer across the sediment-water interface is a significant issue in environmental hydraulics. In fact diffusional exchanges of solutes between the bed sediment and the overlying water column could greatly affect water quality. Particularly, diffusional flux of dissolved oxygen (DO) towards the bed sediments from the water column could be responsible for low and unacceptable lev...

We used field observations, laboratory measurements and a reactive transport model (RTM) to investigate temporal spatial variations in benthic nitrogen (N) cycling the eutrophic temperate macro-tidal Vilaine Bay (VB), France. A time series of flux pore-water profiles dissolved inorganic N (DIN: ammonium, nitrate, nitrite) organic (DON) was conducted at single station between April September 201...

Denitrification is a critical process that can alleviate the effects of excessive nitrogen availability in aquatic ecosystems subject to eutrophication. An important part of denitrification occurs in benthic systems where bioturbation by meiofauna (invertebrates <1 mm) and its effect on element cycling are still not well understood. Here we study the quantitative impact of meiofauna populations...

The sandy sediments that blanket the inner shelf are situated in a zone where nutrient input from land and strong mixing produce maximum primary production and tight coupling between water column and sedimentary processes. The high permeability of the shelf sands renders them susceptible to pressure gradients generated by hydrodynamic and biological forces that modulate spatial and temporal pat...