Sentences with phrase «between calcification rate»

In addition, they state that there was «no significant correlation between calcification rate and seawater aragonite saturation (Ωarag)» and «no evidence of CO2 impact on bleaching.»

Not exact matches

Hence, it could be suggested that the small differences in the calcification rates observed between 100 mg / L and 200 mg / L calcium additions during the day could be a result of relatively mediocre photosynthetic activities of the endo - symbionts, but this should be further studied.

The calcification rate values (µmol CaCO3 h − 1 cm − 2) were calculated according to the equation: Δ A T 2 ∗ V chamber − V coral T ∗ A coral where ΔAT is the difference in Total Alkalinity (AT) measured between the beginning and the end the incubation period, V is the volume of the chamber or the coral fragment, T is the duration of the incubation and A is the coral surface area.

Since you state that a decrease in net calcification could result from a decrease in gross calcification, an increase in dissolution rates, or both, you distinguish between these responses and get to the conclusion that the impact of ocean acidification on a creature's net calcification may be largely controlled by the status of its protective organic cover and that the net slowdown in skeletal growth under increased CO2 occurs not because these organisms are unable to calcify, but rather because their unprotected skeleton is dissolving faster.

There are several feedbacks between decreasing the rate of calcification that organisms do in the ocean, and the carbon cycle.

Moreover, using the average emission scenario (IS92a) of the Intergovernmental Panel on Climate Change, we predict that the calcification rate of scleractinian - dominated communities may decrease by 21 % between the pre-industrial period (year 1880) and the time at which pCO2 will double (year 2065).

Annual bands were then identified manually between density minima, and the annual extension (cm / year), density (g / cm3 / year), and calcification (extension * density; g / cm2 / year) rates were calculated for the core.

In order to establish a cause - and - effect relationship between acidification and decreased calcification, a team led by Carnegie's Ken Caldeira and including Jacob Silverman (the lead author) and Kenneth Schneider, formerly of Carnegie, compared measurements of the rate of calcification in one segment of Australia's Great Barrier Reef called Bird Island that were taken in between 1975 and 1979 to those made at the neighboring Lizard Island in 2008 and 2009.

Coastal ecosystems may show acidification or basification, depending on the balance between the invasion of coastal waters by anthropogenic CO2, watershed export of alkalinity, organic matter and CO2, and changes in the balance between primary production, respiration and calcification rates in response to changes in nutrient inputs and losses of ecosystem components.