The main purpose of the work was to carry out a detailed seasonal study of the distribution and ecology of the living benthonic foraminiferids in the different environments around the Ebro delta. As a background to the ecological work, a rough sedimentologiacal examination of the Ebro delta itself was attempted. The delta is relatively small, having a surface area of 330 sq. km., and discharge from the River Ebro is sufficient only to keep one outlet open. Four maj or phases of delta gro1rth are recognized and some of these are known to have had more than one river outlet. The river has only recently changed to a mew direction of discharge and abandoned a section of its channel. Levee, abandoned channel, marsh; lacustrine, beach/spit, lagoon, delta front platform and pro delta slope sedimentary environments are distinguished and described; sediment accumulation is most rapid on the delta front platform and the pro delta slope directly off the river mouth. Seven living foraniferal assemblages are described and a method, involving the use of 'percentage similarity indices', is utilized for the detection of offshore faunal boundaries.
| Identifer | oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:567102 |
| Date | January 1969 |
| Creators | Scrutton, Michael Edward |
| Publisher | University of Bristol |
| Source Sets | Ethos UK |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Source | http://hdl.handle.net/1983/e64e5e5c-1b1e-4442-8215-8392d1d5fbb8 |
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