Sentences with phrase «with calcareous»

Ocean acidification is often considered in terms of its direct negative effects on the growth and calcification of organisms with calcareous shells or skeletons.

That additional acidity gained from carbon dioxide in sea water is affecting many species with calcareous shells and having the most significant effect on hard corals, which also use calcium carbonate to build their home

«Acidification actually threatens all marine animals and plants with calcareous skeletons, including corals, snails, clams and crabs.

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.

To answer this question, the researchers analyzed marine sediment cores collected off Galicia (Spain) and from the Bay of Biscay, containing pollen and foraminifera, microscopic marine organisms with calcareous skeletons.

Not exact matches

Just after you were born Europe and her limestone cities swirled with last - breath calcium blasted into the air yet you tell of chewing plaster out of your nursery wall and how at your first refugee - child Christmas you ignored the candled sweets and gnawed the pine tree's base of calcareous brittle.

Not only is it AMAZING at removing poop but my daughter's mild case of redness is no more with The oleo - calcareous ointment (aka a liniment) from Les Produits de Maya.

Scanning electron microscope photograph of the ciliate Tiarina with its 100 - 150 micrometer calcium carbonate (calcareous) shell containing the Symbiodinium cells (not visible here).

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).

The team said the eggshells were pliable with hard calcareous exteriors and soft inner membranes, similar to the eggs of some snakes.

These are called the Toledo Beds and consist mainly of thin bedded shales and mudstones, with some blue calcareous (calcium derived) sandstones and patches of limestone.

We show that the onset of the PETM coincided with a prominent increase in the origination and extinction of calcareous phytoplankton.

Along gradients of normal pH (8.1 — 8.2) to lowered pH (mean 7.8 — 7.9, minimum 7.4 — 7.5), typical rocky shore communities with abundant calcareous organisms shifted to communities lacking scleractinian corals with significant reductions in sea urchin and coralline algal abundance.

On the other hand, some shelled organisms, including oysters, clams, sea urchins, corals, and calcareous plankton could be at risk if a more acid environment interferes with the calcification process.

With very inaccurate estimates, how can you be certain that some of the light atmospheric C is not coming from termites, reduced calcareous phytoplankton pull down, increased imbalance between sea and air caused by reduced mixing?

During the early Miocene, calcareous biogenic sediments began to be displaced northward by siliceous biogenic sediments with higher rates of sedimentation reflecting the beginning of circulation related to the development of the Antarctic Convergence.

PROFILE: Energetic professional with hands - on experience in cleaning accretions and calcareous deposits from teeth and under gum margins.