Sentences with phrase «symbiotic zooxanthellae»

First, it's noteworthy how opinion has solidified on the point that bleaching (corals expelling their associated symbiotic zooxanthellae) is a response to higher temperature driven by general warming of the seas, rather than being due to locally specific causes.

«A significant negative shift in δ13C just prior to mortality surfaces and growth discontinuities indicated a reduced photosynthetic intensity of symbiotic zooxanthellae.

On the other hand, if the stressful conditions prevail, accumulation of the damaged symbiotic zooxanthellae may not maintain the expulsion, which will gradually accumulate in coral tissues.

This research group demonstrated that corals more actively digest and expel damaged symbiotic zooxanthellae under conditions of thermal stress, and that this is likely to be a mechanism that helps corals to cope with environmental change.

Not exact matches

Under normal conditions, corals have a symbiotic relationship with algae known as zooxanthellae.

Bleaching occurs when overly warm water leads corals to expel symbiotic algae called zooxanthellae.

These heat waves can cause coral bleaching (SN: 02/03/18, p. 16)-- corals eject the symbiotic algae known as zooxanthellae that provide corals with both nutrients and color.

The nutrients are believed to disrupt the symbiotic relationship that normally exists between the coral and zooxanthellae algae.

Corals and zooxanthellae have a symbiotic relationship.

They found that many corals died immediately from the heat stress, but others died more slowly following the depletion of their zooxanthellae — the yellowish brown symbiotic algae that live within most reef - building corals.

This is because these compounds may awaken dormant viruses in symbiotic algae called zooxanthellae.

Most reef - building corals contain a symbiotic algae called zooxanthellae, which contributes to the coral's nutritional needs.

In an article on Yale 360 Environment, Veron writes that the major issues include mass bleachings caused by warmer water, which kills off zooxanthellae, the algae with which coral have a symbiotic relationship, and ocean acidification.

«Corals live in a symbiotic relationship with zooxanthellae, which are plant - like cells hosted in surface tissues that provide up to 90 % of the energy to the colony,» said Stephen Simpson, a marine biologist at the University of Exeter in the UK, commenting on the study.

«However, we demonstrated that there is specialisation of the coral host to particular reef environments, with each strain of coral host associating only with particular types of symbiotic algae (zooxanthellae),» he said.

When this happens, symbiotic algae, called zooxanthellae, leave the corals» bodies.

During bleaching events, corals loss the symbiotic algae (known as zooxanthellae) which causes the coral to look white as the limestone skeleton becomes visible.