What is a red tide?

red-tide-bioluminiscence
Red tide bioluminescence. Distinctive blue flashes, a type of bioluminescence, that are visible at night in some marine environments are caused by tiny, unicellular plankton known as dinoflagellates, some of which can produce toxins that are harmful to the environment. Captions: Science Daily. Photo source: ©© Phil Gibbs

Excerpts;

Harmful algal blooms pop up nearly every summer, turning coastal waters red and creating problems for marine life and humans…

Read Full Article, MNN (08-02-2018)

Toxic Algal Blooms Aren’t Just Florida’s Problem. And They’re On The Rise. Huffington Green (07-07-2016)

Wave of Toxic Green Beaches, France; By Sharlene Pilkey (10-2009)
With beaches and coastlines all over the world already under attack from sea level rise, pollution, mining, driving, seawall construction and human development encroachment, another menace is mounting an assault…

Green And Golden Seaweed Tides On The Rise, By Victor Smetacek & Adriana Zinging (08-2014)
Green, brown and red seaweeds lying on the beach are part and parcel of life in many coastal regions. The amount of beached seaweed biomass started to increase along the shores of industrialized countries in the 1970s, and by the 1990s had become a nuisance along many beaches when mass-stranding events of macroalgae became known as green tides…

Toxic Algae Blooming in Warm Water from California to Alaska, (08-05-2015)
A vast bloom of toxic algae off the West Coast is denser, more widespread and deeper than scientists feared even weeks ago…

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Coastal Care junior
The World's Beaches
Sand Mining
One Percent