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North-Central Section–40th Annual Meeting (20–21 April 2006)

Paper No. 6
Presentation Time: 1:20 PM-5:00 PM

DISTRIBUTION PATTERNS OF LIVING (STAINED) FORAMINIFERAL ASSEMBLAGES FROM THE VENICE LAGOON, ITALY


BROUILLETTE, Ellen R.1, RATHBURN, Anthony E.1, PÉREZ, Elena M.1, KLUESNER, Jared1, GRAY, Cassie J.1, BASAK, Chandranath1 and GIESKES, Joris2, (1)Geography, Geology, and Anthropology, Indiana State Univ, Science Building 159, Terre Haute, IN 47809, (2)Integrative Oceanography Division, Scripps Institution of Oceanography, 9500 Gilman Dr, La Jolla, CA 92093-0236, rose926@hotmail.com

As part of an ongoing study (SIOSED), living (stained) benthic foraminiferal assemblages from the Venice Lagoon were studied to assess benthic ecosystem responses to pollutants. Distribution patterns of rose Bengal stained foraminifera (>150 μm) were determined from push cores collected in the lagoon. Assemblages were dominated by Ammonia sp., Haynesina sp., and Quinqueloculina sp. Percentages of abundant taxa differed for the 0-1 cm interval of sites examined. These differences may reflect changes in the availability of contaminants between sites. Differences in percentage of aberrant test morphologies between sites were noted and compared with those of other sites. Results from this study will contribute to our understanding of the ecological impacts of contaminants in the Venice Lagoon.

Session No. 37--Booth# 16

Paleontology (Posters)
Friday, 21 April 2006: 1:20 PM-5:00 PM
Geological Society of America Abstracts with Programs. Vol. 38, No. 4, p.75
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