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. 2017 Jun 13;7:3340. doi: 10.1038/s41598-017-03383-8

Figure 3.

Figure 3

Spatial distribution of Gulf Corvina (Cynoscion othonopterus) densities (fish/1000 m3). Mean fish densities per every 150-m survey length in the spawning grounds of the northeastern channel of the Colorado River Delta on the incoming and outgoing tides on (a,b) 27 March 2014, (c,d) 28 March 2014, (e,f) 27 April 2014, and (g,h) 28 April 2014. All survey data are depicted, including 150-m survey lengths with densities of 0 fish/1000 m3. Collection of active acoustic data on the outgoing tide of 27 March 2014 (b) ended prior to the termination of passive acoustic data collection due to deteriorated survey conditions. Maps were generated using the ArcMap extension of ArcGIS version 10.2.2 (http://www.esri.com/, ESRI, USA).