BalticSea_Maritime_Administration_Latvia Wreck found using MBES technique

BalticSea_Maritime_Administration_Latvia Wreck found using MBES technique

A historical collection of marine species records from Academics at the University of North Wales, Bangor collated from ad-hoc sightings, shore and ship based surveys collated by Ivor Rees.

Counts of diatom cells for 7 stations in the Southern North Sea in January and February 1971.The data are digitized from technical reports in the frame of the 4DEMON project.

Samples of macro- and megafauna were collected in the North Aegean Sea, between 1997 and 1998. This dataset then served as a basis to describe the diversity, spatial and temporal variability and trophic relationships of different taxonomic groups inhabiting hard substrates.

These inventories list marine species observations performed in the Roscoff area since 1830. Observations result from a review of historical literature and observations made by voluntary contributors and the scientific teams of the Roscoff Marine Station. Taxonomic groups documented in the inventories are macroalgae, marine benthic macroinvertebrates and fish. Inventories provide information (when known) about: location, collection date, collection type, collector, and species biology (habitat, reproduction period).

The Observatoire of Villefranche sur Mer supports the daily sampling of zooplankton since 1966 at a time series station located at the entrancy of the Bay of Villefranche sur Mer. Samples were collected by a vertical tow from bottom to surface (75-0 m), using a WP2 net. Zooplankton abundance was counted by specialist at OOV under microscopes

What ecological effects does a foreshore suppletion, and a beach suppletion, have on the marine ecosystem in the intertidal and shallow surf zone (<6 m depth)? The foreshore suppletion (400.000m³) was by means of an experimental set-up in the shallow coastal zone (-1 to -2m TAW) of Mariakerke. Beside it, a beach nourishment was conducted at Mariakerke (681243m³) and Middelkerke (968754m³). For the Mariakerke area, we collect biological and sedimentological samples in the impact area and in a control area (Bredene), before as after the suppletion, whereas for Middelkerke only the data after suppletion was part of the study. We monitor the marine ecosystem with a focus on the fauna within the sediment (macrofauna) and on the sediment (hyperbenthos, epi- and demersal fish fauna) in the intertidal zone and subtidal zone. In both studies, the subtidal area is the zone between the low water line and the 6m depth line and the intertdial area is the zone between low and high tide water line.

The monitoring at station SOMLIT-Astan (north of Roscoff - France, Western English Channel) was designed to study long term changes in phytoplankton communities in a global change context (diversity, phenology).

Monitoring of species richness, abundances of all macrobenthic species, biomass, sediment grain size, temperature and salinity