A red tide off the coast of La Jolla San Diego, California. Red tide is a common name for a phenomenon known as an algal bloom (large concentrations of aquatic microorganisms) when it is caused by a few species of dinoflagellates and the bloom takes on a red or brown color.ed tide is a colloquial term used to refer to one of a variety of natural phenomena known as harmful algal blooms or HABs. The term red tide specifically refers to blooms of a species of dinoflagellate known as Karenia brevis.
Innisfree is supposedly about five miles away. There is a small isle called Innisfree, located in Loch Gill in Sligo County on the western coast of Ireland and made famous in a poem by William Butler Yeats. The poem Lake Isle of Innisfree appeared in an 1893 collection of his poetry titled The Rose.
But she immortalized it in many poems, and in the essay Jicama, without Expectation, first published in Prairie Schooner; and so it continues to flourish beside the real but vanished bean-rows of Thoreau, which inspired hers, and Yeats's imaginary bean-rows on the Lake Isle of Innisfree, also inspired by Thoreau's.