scholarly journals Discovery of a large population of Heliopora coerulea at Akaishi Reef, Ishigaki Island, southwest Japan

2010 ◽  
Vol 12 (2) ◽  
pp. 85-86 ◽  
Author(s):  
Tsutomu TAKINO ◽  
Atsushi WATANABE ◽  
Shunsuke MOTOOKA ◽  
Kazuo NADAOKA ◽  
Nina YASUDA ◽  
...  
2004 ◽  
Vol 20 ◽  
pp. 647-652
Author(s):  
S. M. B. RAHAMANI ◽  
Eizo NAKAZA ◽  
Seikoh TSUKAYAMA ◽  
Yasushi KITAMURA

Coral Reefs ◽  
1998 ◽  
Vol 17 (1) ◽  
pp. 89-99 ◽  
Author(s):  
H. Yamano ◽  
H. Kayanne ◽  
N. Yonekura ◽  
H. Nakamura ◽  
K. Kudo

Radiocarbon ◽  
2001 ◽  
Vol 43 (2B) ◽  
pp. 899-908 ◽  
Author(s):  
Hiroya Yamano ◽  
Osamu Abe ◽  
Hiroyuki Kitagawa ◽  
Etsuko Niu ◽  
Toshio Nakamura

In comparison with windward coral reefs, the facies and evolution of leeward coral reefs has been discussed to a lesser extent. By accelerator mass spectrometry (AMS) carbon-14 dating of coral specimens collected from the trench excavated across a modern coral reef during a fishery port repair, we revealed the internal facies and Holocene evolution of a leeward reef in Ishigaki Island, Ryukyu Islands, southwest Japan. The reef facies can be split into three facies: the tabular Acropora framework facies, the tabular Acropora reworked facies, and the unconsolidated bioclast facies. The tabular Acropora reworked facies first formed a ridge by 3500 BR Then, the tabular Acropora framework facies grew both upward and seaward. The accumulation rates of the tabular Acropora framework facies ranged from 2.2 to 8.3 m/ka. Thus, the reef framework facies and accumulation rates of this leeward reef is similar to those of windward reefs, although the age of the reef top is younger than that of windward reefs.


Author(s):  
F.G. Lightfoot ◽  
L.E. Grau ◽  
M.M. Cassidy ◽  
G.R. Tadvalkar ◽  
G.V. Vahouny

Psyllium hydrophillic mucilloid is a natural gelling fiber consumed by a large population of our society. It is used as a bulk-producing laxative and in the treatment of gastrointestinal disorders such as “Irritable Bowel Syndrome”. The literature pertaining to the ultrastructural effects of this agent is sparse.This study documents morphological changes induced by psyllium. Animals fed a diet containing 2% psyllium for four weeks were subsequently sacrificed and processed for scanning and transmission electron microscopy. The colon contained fecal material combined with psyllium which conformed to the contour of the luminal surface. This mixture formed surface replicas of the intestinal mucosa. These replicas and their related colonic sites were processed for morphologic analysis.


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