Granger causality testes at lag 1.

<p>Granger causality testes at lag 1.</p

Annual landings of selected elasmobranch species.

<p>(A) Spurdog, (B) Tope shark, and (C) Small-spotted catshark.</p

Finfish species included in our analysis with respective trophic levels (TL).

<p>nei: not elsewhere included.</p>a<p>Figure represent the mean TL value of known species belonging to that taxonomic group within UK waters. Species included were obtained from the UK Fisheries Statistics list <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0101506#pone.0101506-Marine1" target="_blank">[37]</a>, see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0101506#pone.0101506.s002" target="_blank">Table S2</a>.</p

Annual landings of selected gadoid species.

<p>(A) Atlantic cod, (B) Ling, (C) European hake.</p

Instances of “Fishing Down Marine Food Web” across the globe, showing rates of decline in mean trophic level (mTL).

<p>Instances of “Fishing Down Marine Food Web” across the globe, showing rates of decline in mean trophic level (mTL).</p

Invertebrate species included in our analysis with respective trophic levels (TL).

<p>nei: not elsewhere included.</p>a<p>Figure represent the mean TL value of known species belonging to that taxonomic group within UK waters. Species included were obtained from the UK Fisheries Statistics list <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0101506#pone.0101506-Marine1" target="_blank">[37]</a>, see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0101506#pone.0101506.s002" target="_blank">Table S2</a>.</p

ICES data for the English Channel on landings, mTL and FiB index for 1920–2010.

<p>Analysis excludes pelagic species. (A) Annual landings from the English Channel. (B) Changes in the mTL over time. (C) Changes in the FiB index over time. The blue dashed line is a smoothing function, “supsmu” <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0101506#pone.0101506-Friedman1" target="_blank">[50]</a> available as standard with the R software package <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0101506#pone.0101506-R1" target="_blank">[51]</a>.</p

ICES data on changes in catch composition for the English Channel 1920–2010.

<p>Species grouped into ISSCAAP categories.</p

Major English Channel fishing ports by landings value in 2010, ICES areas VIIe and VIId.

<p>Data sourced from MMO and France AgriMer. Pie charts show the proportions of fish and shellfish landed by the UK and French fishing fleets for the period 1920–1930 and 2000–2010.</p

Annual landings of selected shellfish species.

<p>(A) Edible crab, (B) European lobster and (C) Great Atlantic scallop.</p