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Topic: Bioerosion


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  2nd International Workshop on Bioerosion   (Site not responding. Last check: 2007-10-25)
Aguilar A., Teresita A. and Fonseca E., Ana C.: Bioerosion in coral reefs from the upper Oligocene/lower Miocene of Costa Rica [poster].
Dávid, Árpád: Bioerosion on the shells of late Oligocene (Egerian) molluscs (Eger, Hungary).
Kiene, William: Bioerosion assessment and monitoring on the coral reefs of Parque Nacional del Este, Dominican Republic.
www.envs.emory.edu /ichnology/IN99-2NDINT~1.HTM   (1287 words)

  
 REEF CONSTRUCTION AND BIOEROSION
The opposite of reef growth or accretion is bioerosion.
Direct bioerosion is caused by organisms boring into, biting or grinding carbonate substrate.
The second type is indirect bioerosion, which is caused by organisms that facilitate the invasion of coral substrate by  killing or injuring coral tissue.
www.fiu.edu /~goldberg/coralreefs/REEFCONSTRReview.htm   (352 words)

  
 Bioerosion Website: Department of Geology, The College of Wooster, Ohio USA
Bioerosion appears to us as a slow process of removing hard substrate, especially when compared to the way storms and floods remove soft sediment, but over time the effects are extraordinary.
Geologists and paleontologists are particularly interested in patterns of bioerosion preserved in the rock record.
Bioerosion traces in ancient limestones of the Bahamas, for example, have given us a direct indication of a rapid global sealevel change about 125,000 years ago (see image below).
www.wooster.edu /geology/Bioerosion/Bioerosion.html   (823 words)

  
 Bioerosion of coral reefs - chemical approach; Limnol. Oceanogr. 36: 377-383; -
Bioerosion of coral reefs - chemical approach; Limnol.
Coral reefs generate the fine coral sand supplying shores with the white sand characteristic of tropical islands and one of the main attractions in beach tourism (and tourist brochures!).
The loss of these erect corals (Acropora) eliminates important microhabitats for fishes and may ultimately suppress all coral recruitment.
www.oceansatlas.com /id/19080   (329 words)

  
 THE ORDOVICIAN BIOEROSION REVOLUTION   (Site not responding. Last check: 2007-10-25)
Cicatricula is a ramifying shallow boring found on Middle Ordovician hardground surfaces in Iowa; it appears to have been produced by some sort of boring sponge.
These styles of bioerosion which appeared in the Ordovician remained dominant for the remainder of the Paleozoic.
The only significant Paleozoic additions were acrothoracican barnacle borings in the Devonian, apparently bivalve-produced Gastrochaenolites in the Pennsylvanian, and the phoronid boring Talpina and the recurved worm boring Caulostrepsis, also in the Pennsylvanian.
gsa.confex.com /gsa/2001AM/finalprogram/abstract_16893.htm   (393 words)

  
 Dr Pat Hutchins - Bioerosion - Heidi Gibson
According to Pat, in some places where the balance has been significantly damaged by human activity, once rich coral reefs have been replaced by rocky fields of murky algal growth.
To learn more about bioerosion along the northern reaches of the Great Barrier Reef, Pat teamed up with the marine biologists of Undersea Explorer - a combined scientific research and adventure dive vessel based in Port Douglas, Queensland.
Together, they placed groups of solid blocks made from coral skeleton material along a variety of reef sites that also varied in distance from the coast and exposure to human activity.
www.underseaexplorer.com /articles/reef_eaters_HGibson.htm   (515 words)

  
 Homepage Microendoliths   (Site not responding. Last check: 2007-10-25)
In 1984, Klaus-Peter Vogel established the Research Group “Bioerosion and Paleobathymetry” at the Frankfurt Geologisch-Paläontologisches Institut.
Based on microborings we reconstruct paleo-depth and estimate their contribution to bioerosion.
The first members of the Research Team in front of the "boring tramway" (subway entrance) and the Institute of Geology and Paleontology in Frankfurt/Main: Drs.
www.geologie.uni-frankfurt.de /Staff/Homepages/Vogel/Bioerosion/MicroborerE.html   (182 words)

  
 U. of South Florida-College of Marine Science, Reef Indicators Lab
An underwater coral-reef photo, followed by an aerial view of a reef showing spur and groove features, provides the backdrop for a brief discussion of reef zonation, from the deep reef to the reef crest to back-reef seagrass beds.
Bioerosion is described using a cartoon of a parrotfish eating coral and defecating sand.
A large, flat cake is brought out (one cake mix baked in an oversized pan), as well as a tray of the "reef creatures." The cake is tilted towards the students, to represent shallow to deep reef.
www.marine.usf.edu /reefslab/pages/reefcake.html   (985 words)

  
 A.P.Pharma | Technology Platforms
Bioerodible polymers are an important class of materials with potential for both drug delivery and devices.
The successful application of such polymers requires that stringent criteria are met, such as benign toxicity, ease of manufacturing, surface erosion, essentially neutral internal pH, stability, complete bioerosion and the ability to tailor polymer properties to meet specific purposes.
While a number of bioerodible polymers, notably poly(lactide-co-glycolide) copolymers and polyanhydrides, and most recently poly(phospho esters), have been developed, none of these systems successfully meets all of the above criteria.
www.appharma.com /technology/main_techn_platform.html   (310 words)

  
 bioerosion.net   (Site not responding. Last check: 2007-10-25)
All fotos courtesy of Dr. Max Wisshak - fotos taken during our joint project on microbioerosion in high latitudes
I have specialized on bioerosion and work with microendoliths.
The wealth of microendolithic species can be confusing and so I have made an effort to give a taxonomic overview over the most abundant ones world-wide.
www.bioerosion.net   (108 words)

  
 The Paleontological Society
This focuses on experimental approaches to the taphonomy of molluscan shells in habitats ranging from the land to the deep sea.
Walker is especially interested in the ecology and evolution of hermit crabs’ use and abuse of shells, in bioerosion and biotic processes that accumulate molluscan shells to become fossil assemblages, in mutualism and predation.
She is active in international fieldwork, including recent research using SCUBA and deep-sea submersibles in the Bahamas.
www.paleosoc.org /speakerseries.html   (612 words)

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