Sentences with phrase «higher aragonite»

Waters with higher aragonite saturation state tend to be better able to support shellfish, coral and other species that use this mineral to build and maintain their shells and other hard parts.

Not exact matches

Higher concentrations of chlorophyll in the areas of pronounced reef growth suggests that an abundance of food may provide the excess energy needed for calcification in waters with low aragonite saturation.

Changes in the carbonate ion concentration in seawater can affect the saturation state (and hence biological availability) of several types of calcium carbonate (e.g., calcite, aragonite, or high - magnesian calcite.

As the science develops, it is important for managers to design select examples of coral reef areas in a variety of ocean chemistry and oceanographic regimes (e.g., high and low pH and aragonite saturation state; areas with high and low variability of these parameters) for inclusion in MPAs.

Its left - coiled, high - spired shell is made of aragonite, a form of calcium carbonate that is easily affected by ocean acidification.

We document a deeper aragonite saturation horizon and higher near surface aragonite saturation state in the summers of 2014 and 2015 (compared with 2010 — 2013), associated with anomalous warm conditions and decadal scale oscillations.

One approach is to develop empirical regional models that enable aragonite saturation state to be estimated from existing hydrographic measurements, for which greater spatial coverage and longer time series exist in addition to higher spatial and temporal resolution.

This study compares aragonite saturation states in open pelagic waters, shallow shelf waters, and ice - bound high - latitude waters to delineate rates of change and causes of variation in carbonate mineral saturation states.

The aragonite, a crystal form of calcium carbonate, formed by tiny organisms then become too corroded to survive in high - pressure or cold waters including some parts of the shallow North Pacific, the southern ocean and the deepest waters of the ocean.

Past hypotheses arguing calcification was dependent on carbonate ion concentration, or aragonite and calcite saturation levels, were most likely misled by the fact that higher carbonate ion concentrations are a daily «side effect» of photosynthesis.

But since corals, be it with an aragonite or a calcite skeleton, both rely on symbiotic algae as their main source of energy they remain vulnerable, since those algae are highly susceptible to both low pH and high temperatures.

Coral migration to higher latitudes with more optimal SST is unlikely, due both to latitudinally decreasing aragonite concentrations and PROJECTED atmospheric CO2 increases (Kleypas et al., 2001; Guinotte et al., 2003; Orr et al., 2005; Raven et al., 2005).