Sentences with phrase «forming calcareous»

One of the most likely consequences is the slower growth of organisms forming calcareous skeletons or shells, such as corals and mollusks.

This process, termed ocean acidification, makes it energetically more costly for calcifying organisms to form their calcareous shells and skeletons.

Not exact matches

In a new study recently published in the journal Global Biogeochemical Cycles, scientists of Kiel University (CAU) with colleagues from GEOMAR Helmholtz Centre for Ocean Research Kiel and international partners from the USA, New Zealand, and Great Britain studied marine benthic shell - forming organisms around the world in relation to the chemical conditions they currently experience — with a surprising result: 24 percent, almost a quarter of the analyzed species, including sea urchins, sea stars, coralline algae or snails, already live in seawater unfavorable to the maintenance of their calcareous skeletons and shells (a condition referred to as CaCO3 - undersaturation).

An exceptionally porous form of travertine is known as calcareous tufa.

Pink Beach — locally called Pantai Merah — has a mixture of white and red sand formed from pieces of foraminifera, a marine protozoan with calcareous shells, and is one of only seven of its kind in the entire world.