black band disease


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black band disease

[¦blak¦band di‚zēz]
(invertebrate zoology)
A coral reef disease that is characterized by a thick black band of tissue that advances rapidly across infected corals, leaving empty coral skeletons behind.
References in periodicals archive ?
It is reported by (Myers et al., 2007), as the cause of affectations to scleractinian corals to Black Band Disease (BBD).
Black band disease type II (BBD II) affects the coral Acropora cervicornis, and it is believed that Vibrio carchariae is the cause, as studies by Ritchie & Smith (1995) demonstrated the presence of bacteria in diseased corals and absence in healthy corals.
Nutrients increase benefits the increase of fungi population and bacteria and in turn their virulence as pathogens, leading to diseases such as aspergillosis and black band disease among others (Bruno et al., 2003, Pinzon et al., 2014).
Cyanobacteria associated with coral black band disease in Caribbean and Indo-Pacific reefs.
Fine structure analysis of black band disease (BBD) infected coral and coral exposed to the BBD toxins microcystin and sulfide.
The scientists forecast that by 2025, plastic going into the marine environment will increase to roughly 15.7 billion plastic items on coral reefs, which could lead to skeletal eroding band disease, white syndromes and black band disease."This study demonstrates that reductions in the amount of plastic waste entering the ocean will have direct benefits to coral reefs by reducing disease-associated mortality," Lamb said.
Washington, March 28 ( ANI ): Researchers have examined corals from the Great Barrier Reef affected by the Black Band Disease and identified the critical parameters that allow this prevalent disease to cause wide mortality of corals around the world.
Corals infected with Black Band Disease show a characteristic appearance of healthy tissue displaced by a dark front, the so-called Black Band, which leaves the white limestone skeleton of the coral animal exposed.
The increased sulfide concentration around the necrosing tissue and the resulting decrease in oxygen leads to the spreading of the lesions to the surrounding, healthy tissue; a positive feedback that causes rapid migration of the Black Band Disease.
"Our measurements show that the Black Band Disease can migrate at one centimetre per day in the summer months.
the arrival of coral black band disease in 1973, mass dieoffs of staghorn and elkhorn corals and sea urchins in 1983, and coral bleaching beginning in 1987--occurred during peak dust years.
Researchers visiting Aquarius study, for example, black band disease, which kills coral and threatens sea life.