Patterns And Processes.- The relationship between phytoplankton diversity and community function in a coastal lagoon.- Ascendency as ecological indicator for environmental quality assessment at the ecosystem level: a case study.- Phytoplankton seasonality in a highly stratified karstic estuary (Krka, Adriatic Sea).- Factors controlling phytoplankton blooms in a temperate estuary: nutrient limitation and physical forcing.- The near-bottom layer as an ecological boundary in marine ecosystems: diversity, taxonomic composition and community definitions.- Seasonal and spatial patterns of distribution of subtidal benthic invertebrate communities in the Mondego River, Portugal — a poikilohaline estuary.- Benthic ecology of semi-natural coastal lagoons, in the Ria Formosa (Southern Portugal), exposed to different water renewal regimes.- Inter-annual variability of soft bottom macrofaunal communities in two Ionian Sea lagoons.- Spatial patterns of benthic macroinvertebrates in intertidal areas of a Southern European estuary: the Tagus, Portugal.- Structure and dynamics of a benthic invertebrate community in an intertidal area of the tagus estuary, western portugal: a six year data series.- Spatial and environmental factors affecting the distribution of the main decapod crustacean prey species in the NW Mediterranean.- Probing diversity in the plankton: using patterns in Tintinnids (planktonic marine ciliates) to identify mechanisms.- Fish assemblages in different shallow water habitats of the Venice Lagoon.- The effect of zostera noltii, spartina maritima and scirpus maritimus on sediment pore-water profiles in a temperate intertidal estuary.- Biogeographic patterns of intertidal macroinvertebrates and their association with macroalgae distribution along the Portuguese coast.- Seasonal variations of cystoseira barbata (stackhouse) C. Agardh frond architecture.- Epifaunal inventory of two shipwrecks from the Belgian Continental Shelf.- Assesment.- Using asymmetrical designs for environmental impact assessment of unplanned disturbances.- Threats.- Mass mortality of coral reef ascidians following the 1997/1998 El NiñO event.- Changes in the range of some common rocky shore species In Britain — A Response To Climate Change?.- Effects of dredging activities on population dynamics of Posidonia oceanica (L.) Delile in the Mediterranean sea: the case study of Capo Feto (SW Sicily, Italy).- The colonisation of human-made structures by the invasive alga Codium fragile ssp. tomentosoides in the north Adriatic Sea (Ne Mediterranean).- Immediate effects of experimental human trampling on mid-upper intertidal benthic invertebrates at the Asinara Island MPA (NW Mediterranean).- Imposex in Hexaplex trunculus at some sites on the North Mediterranean Coast as a base-line for future evaluation of the effectiveness of the total ban on organotin based antifouling paints.- Environmental effects of marine fish pond culture in the Ria Formosa (Southern Portugal).- Time-series evolution of toxic organisms and related environmental factors in a brackish ecosystem of the Mediterranean Sea.- Management and Conservation.- Assessing the sensitivity of seabed species and biotopes — the Marine Life Information Network (MarLIN).- Characterisation of the European Marine Sites in South West England: the Fal and Helford candidate Special Area of Conservation (cSAC).- Macrobenthic colonisation of artificial reefs on the southern coast of Portugal (Ancão, Algarve).- The benthic impacts of the Loch Linnhe Artificial Reef.