Scottish Marine and Freshwater Science Vol 7 No 25
This report presents the results of the 2015 survey of cockle (Cerastoderma edule) stocks in the Scottish Solway Firth. It continues a series of surveys conducted between 1990 and 2009 by Marine Scotland Science (MSS) (previously Fisheries Research Services) and a further survey in 2013, conducted by Marine Ecological Solutions Ltd under contract to Marine Scotland (Stamp et al., 2013). Tables in the report are available to download as .csv files.
Data and Resources
- Scottish Marine and Freshwater Science Vol 7 No 25pdf
Report text and formatted data.
- SMFS 0725 Table 1csv
Table 1: Sampling details for the Stratified Random (SR) and Adaptive...
- SMFS 0725 Table 2csv
Table 2: Abundance (millions), biomass (tonnes) and variance of C. edule by...
- SMFS 0725 Table 3csv
Table 3: Results of adaptive surveys on Barnhourie for 2015. (A) Abundance (...
- SMFS 0725 Table 4csv
Table 4: (A) Abundance (millions) and (B) density (number/m2) by age of C....
- SMFS 0725 Table 5csv
Table 5: (A) Biomass (tonnes) and (B) biomass density (tonnes/km2) by age of...
- SMFS 0725 Table 6csv
Table 6: 2015 survey results. Estimates of area surveyed (km2) C. edule...
- SMFS 0725 Table 8csv
Table 8: Sampling details for the Stratified Random (SR) and Adaptive...
- SMFS 0725 Table 9: Abundancecsv
Table 9 (Abundance): Total abundance (millions) and variance of M. balthica...
- SMFS 0725 Table 9: Biomasscsv
Table 9 (Biomass): Total biomass (tonnes) and variance of M. balthica, for...
- SMFS 0725 Appendix 2csv
Appendix 2: Cockle (Cersatoderma edule) biomass (tonnes) by mm length class...
- SMFS 0725 Appendix 3csv
Appendix 3: Macoma balthica biomass (tonnes) by mm length class on each of...
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2015-01-01 to 2015-12-31
UK Open Government Licence (OGL)
|Data Dictionary|| |
The 2015 Solway Firth cockle survey was carried out between August 10th and 20th by staff from Marine Ecological Solutions Ltd (Marine EcoSol) and their sub-contractors Hebog Environmental Ltd, working under contract to Marine Scotland. As in previous Solway shore-based surveys, All Terrain Vehicles (ATVs) were used to collect samples at pre-determined randomly generated locations (stations), during periods of low water. A stratified random sampling design (first stage) was employed at each fishing ground. At Barnhourie a two-stage adaptive sampling design (Francis, 1984; Bailey et al., 1998) was used to target high density areas of C. edule, identified during the first sampling stage. Computer generated random sampling positions were uploaded to Global Positioning Systems (GPS) equipment mounted on the ATVs or carried by hand.
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Marine Scotland Science
|Public Access Level|| |