. Coast watch. Marine resources; Oceanography; Coastal zone management; Coastal ecology. Pfiesteria has 24 life stages ... including star ameoba cyst from toxic zoospore planozygote Beyond PQesteria: Harmful Algae in Coastal Waters I Lt's been called the "cell from hell" and compared — absurdly — to the deadly Ebola virus. Pfiesteria piscicida has been given horror movie proportions by some accounts. But Pfiesteria is not a freak of nature, nor is it a monster. It has not killed people, and its threat to human health has yet to be proven. Rather, Pfiesteria is a harmful algal bloom (
. Coast watch. Marine resources; Oceanography; Coastal zone management; Coastal ecology. Pfiesteria has 24 life stages ... including star ameoba cyst from toxic zoospore planozygote Beyond PQesteria: Harmful Algae in Coastal Waters I Lt's been called the "cell from hell" and compared — absurdly — to the deadly Ebola virus. Pfiesteria piscicida has been given horror movie proportions by some accounts. But Pfiesteria is not a freak of nature, nor is it a monster. It has not killed people, and its threat to human health has yet to be proven. Rather, Pfiesteria is a harmful algal bloom (HAB), one of many that plague coastal waters around the country. "HABs in general are a problem that I think we should be paying a lot more attention to," says JoAnn Burkholder, a North Carolina Sea Grant researcher and codiscoverer of Pfiesteria piscicida. ''Pfiesteria is a recent poster child, and it's , only one of many that are really important in coastal areas and are causing a lot of ; Virtually invisible, small numbers of HABs such as Pfiesteria may live in coastal waters at any time. But in the right environment, they can form large colonies or blooms that discolor water and deplete oxygen that other marine organisms need to survive. HABs also By Jeannie Faris Norris can cause human illness and death, alter marine habitats through shading and overgrowth, and close coastal businesses. The recent spate of headlines might suggest otherwise, but harmful algae are nothing new. They have been around for. The toxic stages of Pfiesteria have been linked to sores and fish kills, particularly among menhaden. thousands of years, says Barbara Doll, North Carolina Sea Grant's water quality specialist. The Old Testament of the Bible contains the first known description of a red tide, and Native Americans in the Pacific Northwest were aware of shellfish poisonings centuries ago. But in recent decades, the United States has experienced an escalating trend in ha
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