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Summary of National Parks & Wildlife Service surveys for common (harbour) seals (Phoca vitulina) and grey seals (Halichoerus grypus), 1978 to 2003

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Figure

Table 1. Number of observations and sites sampled for grey seals per county
Figure 2. Monthly variations in the sampling effort of common and grey seal countsin Irish waters by NPWS staff
Table 4 Grey seal surveys on the Blasket Islands undertaken by NPWS from 1978 to 2003(continued…)
Table 4 Grey seal surveys on the Blasket Islands undertaken by NPWS from 1978 to 2003(continued…)
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