Citation:

PANGAEA.982536

Name: English Channel Glycymeris glycymeris increment widths
Published: 2025-05-16
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Bivalve; bivalves growth; English Channel; Glycymeris; sclerochronology

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Published: 2025-05-16 • DOI registered: 2025-05-16

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Abstract:

Live specimens and dead shell valves of the dog cockle (Glycymeris glycymeris) were collected from the seabed using a dredge in September 2013. The collection site was Mid-South Cornwall (49° 50.821'N, 03° 11.93'W) at depths of 70-71 m. A total of 29 shells were collected, of which four were live specimens used to anchor the chronology in time.

After obtaining the increment-width measurements from each shell, the age-related trend was removed by fitting a negative exponential curve to the power-transformed data and the resulting record was prewhitened retaining environmental correlation using the software ARSTAN.

Keyword(s):

Bivalve; bivalves growth; English Channel; Glycymeris; sclerochronology

Related to:

Holmes, Sarah (2022): Sclerochronology and modelling: Combining annually resolved bivalve records and biogeochemical models to understand the shelf seas [thesis]. University of Exeter (United Kingdom), 85-01, 258 p

Coverage:

Latitude: 49.847000 * Longitude: -3.198800

Event(s):

Cornwall_Mid-South * Latitude: 49.847000 * Longitude: -3.198800 * Location: English Channel * Method/Device: Dredge (DRG)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Age	Age	a AD/CE	Holmes, Sarah
2	AGE	Age	ka BP	Holmes, Sarah		Geocode
3	Growth index, standardized	SGI		Holmes, Sarah	Standard dendrochronology software package ARSTAN

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

200 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Age [a AD/CE]	2 Age [ka BP]	3 SGI
1913	0.037	0.861
1914	0.036	0.515
1915	0.035	0.677
1916	0.034	1.010
1917	0.033	1.099
1918	0.032	0.799
1919	0.031	0.958
1920	0.030	0.833
1921	0.029	1.002
1922	0.028	1.104
1923	0.027	1.090
1924	0.026	1.511
1925	0.025	1.261
1926	0.024	1.204
1927	0.023	1.118
1928	0.022	1.065
1929	0.021	1.224
1930	0.020	1.152
1931	0.019	1.264
1932	0.018	1.105
1933	0.017	0.847
1934	0.016	0.935
1935	0.015	0.715
1936	0.014	0.765
1937	0.013	1.038
1938	0.012	1.056
1939	0.011	1.011
1940	0.010	1.284
1941	0.009	0.998
1942	0.008	1.220
1943	0.007	1.000
1944	0.006	0.999
1945	0.005	1.139
1946	0.004	0.913
1947	0.003	0.877
1948	0.002	1.212
1949	0.001	1.037
1950	0.000	0.623
1951	-0.001	1.019
1952	-0.002	1.169
1953	-0.003	0.968
1954	-0.004	1.081
1955	-0.005	0.992
1956	-0.006	1.379
1957	-0.007	1.385
1958	-0.008	1.283
1959	-0.009	1.282
1960	-0.010	1.047
1961	-0.011	1.050
1962	-0.012	0.876
1963	-0.013	0.847
1964	-0.014	1.057
1965	-0.015	0.668
1966	-0.016	0.955
1967	-0.017	0.742
1968	-0.018	0.916
1969	-0.019	1.159
1970	-0.020	1.022
1971	-0.021	1.235
1972	-0.022	0.748
1973	-0.023	1.334
1974	-0.024	0.836
1975	-0.025	1.143
1976	-0.026	0.867
1977	-0.027	0.940
1978	-0.028	0.770
1979	-0.029	0.683
1980	-0.030	0.841
1981	-0.031	0.815
1982	-0.032	0.886
1983	-0.033	0.771
1984	-0.034	1.050
1985	-0.035	1.024
1986	-0.036	0.900
1987	-0.037	1.266
1988	-0.038	1.087
1989	-0.039	1.138
1990	-0.040	1.150
1991	-0.041	0.794
1992	-0.042	1.085
1993	-0.043	1.187
1994	-0.044	1.194
1995	-0.045	1.106
1996	-0.046	0.841
1997	-0.047	1.144
1998	-0.048	0.991
1999	-0.049	1.074
2000	-0.050	0.842
2001	-0.051	0.934
2002	-0.052	0.973
2003	-0.053	0.953
2004	-0.054	0.879
2005	-0.055	0.917
2006	-0.056	1.092
2007	-0.057	1.088
2008	-0.058	0.997
2009	-0.059	0.887
2010	-0.060	0.929
2011	-0.061	0.959
2012	-0.062	0.864