Table 3

Harvesting incidents witnessed and recorded between 2004 and 2022. Harvest site numbers are displayed in Figure 2. Harvesting scale refers to the gathered effort, if <5 kg considered personal if, >5 kg commercial (witnessed estimates). Oyster number decreases have been calculated from data cited in the reference list.

Date Harvested sites Harvesting scale Oyster no. decrease Witnessed by: References
Sep-May 2004-05
Sep-May 2004-06
Island sites: 23,24,25,26,28, 29,30,31,32,33,34
Ballyreagh sites: 1,2,3 and 4
NSC sites: 11,12 and 13
Greyabbey sites: 17,18 and 19
Commercial and Personal
Commercial and Personal
Dr. D. Smyth- Queen's University Belfast (QUB)
Mr. S. Rogers- Cuan Marine Services Ltd.
Dr. C. Guy- QUB
Dr. L. Browne- Centre for Marine Research Portaferry.
Mr. D. Rogers- Portaferry Marine Laboratory.
Dr. Dai Roberts- QUB
Smyth, 2008
Roberts et al., 2005
Smyth et al., 2009
Pig Island sites: 6,7
NSC sites: 11,12,13
Greyabbey sites: 18 and19
Dr. A. Mahon-QUB
Members of general public
Kregting et al., 2020
Smyth et al., 2020
2008–2018 Sites: 5–21 Personal ≈15,000 Mr. D. Rogers- Portaferry Marine Laboratory.
Newtownards RYA Members.
North Down Kite Surfing Club.
Smyth et al., 2020
Sites: 5–19
Horse Island site:35
Commercial and Personal
North Down Kite Surfing Club.
Mr. S. Rogers-Cuan Marine Services Ltd.
Dr. D. Smyth- Bangor University Wales.
Dr. L. Lieber- QUB
Dr. L. Kregting- QUB
Smyth et al., 2020

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