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. 2020 Nov 26;27(3):521–535. doi: 10.1111/gcb.15443

TABLE 1.

Gridded environmental and anthropogenic pressure datasets used in the study, their characteristics (units, time period covered and spatial resolution) and sources. The label assigned to the variable in our study is indicated in the first column in parentheses, or when not provided it matches the variable name. Variables in our results referring to pairwise differences have the suffix ‘df’ added to the variable name

Covariate and variable name Unit Time coverage Resolution Data source

  • Depth

 m 30 s General Bathymetric Chart of the Oceans (GEBCO; www.gebco.net)

  • Temperature

 K 1985–2013 ⅟₉° longitude by ⅟₁₅° latitude Modelled with version 3.4 of the Nucleus for European Modelling of the Ocean (NEMO) ocean model (Madec, 2008) coupled to the European Regional Seas Ecosystem Model (ERSEM; Butenschön et al., 2016). Datasets available from http://marine.copernicus.eu/; datasets ‘NORTHWESTSHELF_ REANALYSIS_PHYS_004_009’ and ‘NORTHWESTSHELF_REANALYSIS_BIO_004_011’.

  • Salinity

 e−3 (N/A)

  • Nitrate concentration (‘Nitrate mean’ or ‘log10(nitrate)’)

 mmol/m3

  • Phosphate concentration (‘Phosphate mean’ or ‘log10(phosphate)’)

 mmol/m3

  • Dissolved oxygen (‘Dissolved oxygen mean’ or ‘log10(DO)’)

 mmol/m3

  • Current speed (‘Bottom current’)

 m/s

  • Chlorophyll‐a concentration (‘Chlorophyll’)

 mg/m3 1998–2016 4 km Ocean Colour Climate Change Initiative dataset, Version 3.1, European Space Agency, available online at http://www.esa‐oceancolour‐cci.org.

Sediment fraction of:

  • Sand

  • Mud

  • Gravel

 Proportion (0–1) N/A 7.5 arc seconds Dataset described by Mitchell et al. (2019).

  • Particulate organic carbon (POC)

 % N/A 500 m Dataset described by Diesing et al. (2017).

  • Shear stress (‘Shear stress’ for mean of the 7 years, ‘Shear stress SD’ for standard deviation)

 m/s 1975–1981 0.125° Modelled by GETM (Burchard & Bolding, 2002), hindcast model run described in Bricheno et al. (2015).

Fishing pressure for:

  • Beam trawls

  • Otter trawls

  • Pelagic trawls

 Hours per year 2009–2016 0.05° Analysis of Fisheries Administrations’ VMS data provided by the MMO, for UK vessels larger than 15 m.