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Fig. 13 | Progress in Earth and Planetary Science

Fig. 13

From: Perspective on the response of marine calcifiers to global warming and ocean acidification—Behavior of corals and foraminifera in a high CO2 world “hot house”

Fig. 13

X-ray micro-CT cross-section images and histogram of CT number for G. bulloides shells: a original fresh shell before dissolution and b a partly dissolved shell after a low-pH condition in a 6-day dissolution experiment. c Relatively preserved shell and d relatively dissolved shell collected from the surface sediment at a water depth of 1362 m and 3135 m of the North western Pacific, respectively. As dissolution progressed, the inner side of the foraminiferal shell was selectively dissolved, and the mode of the CT number histogram gradually decreased. This CT image was obtained by scanning using a X-ray micro-CT system (ScanXmate-D160TSS105/11000, Comscantecno Co. Ltd., Kanagawa, Japan) at the Tohoku University Museum. Data are cited from Iwasaki et al. (2015)

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