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National action plan -
Coregonus autumnalis (Pollan)
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Vision statement
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Lack of data on the pollan population in Lough Neagh and Lower Lough Erne means that it is impossible to ascertain if it is still declining.
This situation should be remedied in 2006 when the Aquatics System Branch of DARD Science Service employ acoustic technology to assess fish stock.
Information on the genetics of these populations will be available by the end of 2006 (PhD thesis).
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Lead Partners
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| Northern Ireland Environment Agency |
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| Northern Ireland Environment Agency |
Mr John Early |
| Northern Ireland Environment Agency |
Richard Weyl |
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Latest UK status
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| Value |
Units |
Accuracy of estimate |
Date assessed |
Comments |
| 2 |
Site(s) / population(s) |
Partial survey |
2008 |
Information based upon data from AFBINI and DCAL Inland Fisheries.
Survey carried out in 2007 for Pollan on Lough Erne. Due to poor weather only 4 survey days takes took place out of a planned 2 weeks. Pollan population was still present with 4 year classes represented in a sample of fish. Information supplied by DCAL inland fisheries suggests population numbers have declined in recent times in the Erne System, most likely due to a combination of habitat loss and eutrophication. The population in Lough Neagh is now widely believed to be the last viable population in Ireland.
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More status information including Country values >
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Latest UK trend
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| Trend |
Accuracy of estimate |
Date assessed |
Comments |
| Declining (slowing) |
Partial survey |
2008 |
Irish Pollan is found in Northern Ireland in Lough Neagh and Lower Lough Erne. Populations in the Erne system have declined substantially over recent times, probably due to a combination of habitat loss and eutrophication. The population in Lough Neagh is now widely believed to be the last viable population in Ireland.
Work is ongoing at Movanagher Fish farm to run a culture program as part of the All Ireland Species Action Plan for the fish's conservation. To date this project have been very successful and represents a significant step towards conservation measures.
Checked LBAP, no relevant data available. |
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More trend information including Country values >
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Work programme
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No work plan actions have been linked to this national plan.
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