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CONTEMPORARY SALT-MARSH FORAMINIFERAL DISTRIBUTION FROM THE ADRIATIC COAST OF CROATIA AND ITS POTENTIAL FOR SEA-LEVEL STUDIES

Shaw, TA and Kirby, JR and Holgate, S and Tutman, P and Plater, AJ (2016) CONTEMPORARY SALT-MARSH FORAMINIFERAL DISTRIBUTION FROM THE ADRIATIC COAST OF CROATIA AND ITS POTENTIAL FOR SEA-LEVEL STUDIES. JOURNAL OF FORAMINIFERAL RESEARCH, 46 (3). pp. 314-332. ISSN 0096-1191

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Abstract

Salt-marsh foraminifera serve as proxy sea-level indicators due to a quantifiable relationship with elevation in the contemporary environment. In this paper, we document the distribution of salt-marsh foraminifera from two microtidal sites, Jadrtovac and Blace, along the Adriatic coast of Croatia and assess their suitability as proxies for elevation in transfer-function-based reconstructions of sea level, which has so far evaded the Mediterranean region. The assemblages are dominated by typical salt-marsh agglutinated taxa, Jadammina macrescens and Trochammina inflata, and the calcareous taxa Ammonia spp. and Quinqueloculina spp. Quantitative analyses revealed that the assemblages are divided into three faunal zones, which are elevation dependent, and where an assemblage dominated by J. macrescens and T. inflata extends to higher elevations in the intertidal frame. The training set was used to develop a tidal- level transfer function using linear regression due to the short environmental gradients observed. The model predicts sea level with a precision of ± 0.08 m. This study highlights the strong potential of salt-marsh foraminifera in reconstructing RSL trends for the Mediterranean region, where studies of past sea-level have previously been restricted to other indicators.

Item Type: Article
Uncontrolled Keywords: 0403 Geology, 0602 Ecology, 0603 Evolutionary Biology
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Divisions: Natural Sciences and Psychology
Publisher: Cushman Foundation
Date Deposited: 23 Aug 2016 15:01
Last Modified: 23 Aug 2016 15:01
URI: http://researchonline.ljmu.ac.uk/id/eprint/3760

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