DEFINITION of 'Concentration Ratio'. In economics, a ratio that indicates the relative size of firms in relation to their industry as a whole. Low concentration ratio in an industry would indicate greater competition among the firms in that industry than one with a ratio nearing 100%, which would be evident in an industry characterized by a true monopoly.
The Rime of the Ancient Mariner. The Rime of the Ancient Mariner is the longest major poem by the English poet Samuel Taylor Coleridge, written in 1797â98 and published in 1798 in the first edition of Lyrical Ballads. Modern editions use a revised version printed in 1817 that featured a gloss.
Abandoned and derelict vessels are also marine debris. So let's review. Anything we use every day can become marine debris if we don't dispose of it properly or if it goes into the water by accident. Marine debris can be very small, or can be very big, and anything in between.