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    Phytobenthos community data, a large portion of the data held are monitoring data submitted for the OSPAR CEMP and HELCOM COMBINE monitoring programmes and therefore follow specific monitoring programme guidelines.

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    Phytobenthos data from Polish Exclusive Economic Zone of the Baltic Sea collected in frame of the Polish Monitoring Programme. Data include information on species composition, areal coverage and dry biomass of phytobenthos community for the period of 2002-2012. Additional data on substrate type are included in the data.

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    The aim of this study was to describe the gradient of the benthic algal vegetation along the coast of Berufjördur, with focus on the influence of salinity and substrate configuration on the zonation patterns and the leading algal associations. Additionally, attention was paid to the differences between the main algal zones on sheltered versus exposed sites of rocky formations.

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    Marine biological surveys of seabed and shore habitats in four areas exposed to strong tidal currents around southwest and northwest Wales, made in summer 2002 and 2003.

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    The purpose of this study was to follow the gradient of the benthic algal vegetation from the head to the mouth of the Borgafjördur. Attention was paid to the zonation patterns, algal associations and the species distribution. These data were also compared to the vegetation of other Icelandic fjords.

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    This study dealt with the biomass of algal settlements at different locations along the Istrian coast in the Northern Adriatic Sea. The eulittoral and upper sublittoral zone of rocky sites was investigated during three subsequent years: 1967, 1968 and 1969.

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    The aim of this study was to describe the species distribution, main algal associations and zonation patterns along the coast of Mjóifjürdur from the head of the fjord and outwards.

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    This dataset provides data collected during the Natural Geography In Shore Areas (NaGISA) quantitative global nearshore census.

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    Data were collected as part of the project “Distribution, use and conservation of the botanical heritage of the Northern Coast of Portugal: a sustainable development approach for a (future) ‘Natura 2000’ site”. The general aim of the data collection was to characterise the macroalgal community composition and variability in rock pools along the northwest coast of Portugal.

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    Benthic macrophyte samples were collected from 51 sites along the Slovenian rocky coast. The aim of the study was three-fold: (1) to select sampling points for a surveillance monitoring programme, (2) to confirm water body boundaries proposed by the Slovenian Ministry of Environment and Spatial Planning and (3) to assess the preliminary Ecological Status Classes (ESC) within the European Water Framework Directory.