| Summary: | These data include macrofaunal (i.e. > 0.5 mm) densities and biomasses and environmental data from the monitoring of a seagrass meadow located at the Manicouagan peninsula, Quebec, Canada. Sampling occurred during the year 2018 (April, June, August and October). Sample were collected in vegetated areas (V) and in artificial (aTP) and natural (nTP) tidal pools. Data are organized in five tabular data files (.txt files; separator = tab, decimal = .) (1) Manicouagan_biomasses.txt includes biomasses (g blotted wet weight/m 2 ) of sampled macrofaunal species (2) Manicouagan_densities.txt includes densities (individuals/m 2 ) of sampled macrofaunal species (3) Manicouagan_porewater_profiles.txt include depth profile of nutrient (NH 4 + , NO 2 + NO 3 - and PO 4 3- ) concentrations (µM) (4) Manicouagan_Sediment_characteristics.txt includes median sediment grain size (D50; µm) sediment porosity (volume ration), particulate organic carbon content (OC; % Dry Weight), particulate total nitrogen content (TN; % DW), sediment chlorophyll a content (chla; µg/g), sediment phaeopigment content (µg/g), Total (Seagrass), above ground (AboGround) and below ground (BelGround) seagrass biomass (g/m 2 ) and nutrients (NH 4 + , NO 2 + NO 3 - and PO 4 3- ) stock (µmol/m 2 ) in the first 8 cm of the sediment column. (5) Manicouagan_Bacteria.txt include extractible bacteria count (Abundance in number of cells per mL of sediment) and fluorescence (green fluorescence, relative unit) in the sediment.
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