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It can cause vomiting and diarrhea. [60] The so-called "stinging seaweed" Microcoleus lyngbyaceus is a filamentous cyanobacteria which contains toxins including lyngbyatoxin-a and debromoaplysiatoxin. Direct skin contact can cause seaweed dermatitis characterized by painful, burning lesions that last for days. [1] [61]
Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means.
A very large algae bloom in Lake Erie, North America, which can be seen from space. An algal bloom or algae bloom is a rapid increase or accumulation in the population of algae in fresh water or marine water systems. It is often recognized by the discoloration in the water from the algae's pigments. [1]
The seaweed can choke corals, wreak havoc on coastal ecosystems and diminish air quality. A giant seaweed bloom that can be seen from space threatens beaches in Florida and Mexico Skip to main content
A giant "blob" of sargassum seaweed measuring 5,000 miles wide — twice the width of the continental United States — is headed for the Florida coast and already covering beaches with algae that ...
The brown seaweed that washes up on Florida beaches is known as Sargassum. Once it washes ashore, the seaweed starts to rot and releases hydrogen sulfide gas, which smells like nasty, rotten eggs.
The brown algae include the largest and fastest growing of seaweeds. [6] Fronds of Macrocystis may grow as much as 50 cm (20 in) per day, and the stipes can grow 6 cm (2.4 in) in a single day. [13] Growth in most brown algae occurs at the tips of structures as a result of divisions in a single apical cell or in a row of such
These, the nonprofit environmental organization says, remain predominantly "excellent," while elsewhere beds of native eelgrass are dead or dying, once abundant bay scallops are gone, oxygen ...