GA Oliver South Harbour, Cape Clear Island, Skibbereen, Co. Cork. Tel/Fax
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DISCLAIMER No part of the content of this report should betaken as a statement of Dachas policy in respect of any of the matters addressed. Theviews expressed by the author are not necessarily those of Dachas. The user of thisreport assumes full responsibility for any policy decisions and for any action takenas aresult of the conclusions contained in this report. Neither Dachas, nor the authormay be held liable for the outcome of any policy decision or action takenby users of this report. G. A. Oliver South Harbour, Cape Clear Island, Skibbereen, Co. Cork. Tel/Fax: 028 39193 e-mail: [email protected] Contents List of Figures List of Tables List of Plates 1. Introduction 2. Study Sites 3. Methods 4. Results 4.1. Ballyteige drainage channels, Co. Wexford. 4.2. Kilmore Lake, Whiddy Island, Co. Cork. 4.3. An Loch Mor, Inis Oirr, Aran Islands, Co. Galway. 4.4. Loch Phort Chorr ich, Arainn, Aran Islands, Co. Galway. 4.5. Loch an Chara, Arainn, Aran Islands, Co. Galway. 4.6. Loch Fhada complex, Connemara, Co. Galway. 4.7. Loch an Aibhnin, Connemara, Co. Galway. 4.8. Loch Cara Fionnla, Connemara, Co. Galway. 4.9. Lough an tSaile, Connemara, Co. Galway. 4. 10. Lough Athola, North Mannin Bay, Co. Galway. 4.11. Lough Bofin, Inishbofin, Co. Galway. 4.12. Maghery Lough, Co. Donegal. 4.13. Sally's Lough, Co. Donegal. 4.14. Kincas Lough, The Rosses, Co. Donegal. 4.15. Moorlagh, The Rosses, Co. Donegal. 4.16. Inch Lough, Lough Swilly, Co. Donegal. 5. Summary of the 16 sites selected for survey in1998. 6. Summary of the 36 sites surveyed in 1996 and1998. 7. Evaluation of the 36 sites surveyed in 1996 and1998. References Acknowledgements i ------------ -------------- -------------- ----------- List of figures Figure 2.1 Map of Ireland showing position of the 16 sites selectedfor survey of aquatic fauna, 1998. Figure 4.1.1 Section of O.S. 6" map showing area of Ballyteige drainagechannels, Co. Wexford. Figure 4.1.2. Sketch map of Ballyteige drainage channels, Co. Wexford, showing samplingstations used for a survey of aquatic fauna, 1998 Figure 4.2.1 Section of O.S. 6" map showing area of Kilmore Lake,Co. Cork. Figure 4.2.2 Sketch map of Kilmore Lake, Co. Cork, showing sampling stationsused for a survey of aquatic fauna, 1998. Figure 4.3.1 Section of O.S. 6" map showing area of Loch Mor,Inis Oirr, Co. Galway. Figure 4.3.2 Sketch map of Loch Mor, Inis Oirr, Co. Galway, showingsampling stations used for a survey of aquatic fauna, 1998 Figure 4.4.1 Section of O.S. 6" map showing area of Loch PhortChurroch, Inis Mor, Co. Galway. Figure 4.4.2 Sketch map of Loch Phort Churroch, Inis Mor, Co. Galway,showing sampling stations used for a survey of aquatic fauna, 1998. Figure 4.5.1 Section of O.S. 6" map showing area of Loch anChara, Inis Mor, Co. Galway. Figure 4.5.2 Sketch map of Loch an Chara, Inis Mor, Co. Galway,showing sampling stations used for a survey of aquatic fauna, 1998. Figure 4.6.1 Section of O.S. 6" map showing area of Loch Fhada,Connemara, Co. Galway. Figure 4.6.2 Sketch map of Loch Fhada, Connemara, Co. Galway, showing samplingstations used for a survey of aquatic fauna, 1998. Figure 4.7.1 Section of 0. S. 6" map showing area of Lochan Aibhnin, Co. Galway. Figure 4.7.2 Sketch map of Loch an Aibhnin, Connemara, Co. Galway, showingsampling stations used for a survey of aquatic fauna, 1998. Figure 4.8.1 Section of O.S. 6" map showing area of Loch CaraFionnla, Co. Galway. Figure 4.8.2 Sketch map of Loch Cara Fionnla, Connemara, Co. Galway, showingsampling stations used for a survey of aquatic fauna, 1998 Figure 4.9.1 Section of O.S. 6" map showing area of Loch antSaile, Co. Galway. Figure 4.9.2 Sketch map of Loch Ahalia, Connemara, Co. Galway, showing samplingstations used for a survey of aquatic fauna, 1998. Figure 4.10.1 Section of O.S. 6" map showing area Loch Athola, Connemara,Co. Galway. Figure 4.10.2 Sketch map of Loch Athola, Connemara, Co. Galway, showing samplingstations used for a survey of aquatic fauna, 1998. Figure 4.11.1 Section of O. S. 6" map showing area of LoughBofin, Inishbofin, Co. Galway. Figure 4.11.2 Sketch map of Lough Bofin, Inishbofin, Co. Galway, showing samplingstations used for a survey of aquatic fauna, 1998. Figure 4.12.1 Section of O. S. 6" map showing area of MagheryLough, Co. Donegal. Figure 4.12.2 Sketch map of Maghery Lough, Co. Donegal, showing sampling stations used for a survey of aquatic fauna, 1998. Figure 4.13.1 Section of O.S. 6" map showing area of Sally's Lake,Co. Donegal. Figure 4.13.2 Sketch map of Sally's Lake, Co. Donegal, showing sampling stations used for a survey of aquatic fauna, 1998. Figure 4.14.1 Section of O.S. 6" map showing area of Kincas Lough,Co. Donegal. Figure 4.14.2 Sketch map of Kincas Lough, Co. Donegal, showing sampling stations used for a survey of aquatic fauna, 1998. Figure 4.15.1 Section of O.S. 6" map showing area of Moorlagh, Co.Donegal. Figure 4.15.2 Sketch map of Moorlagh, Co. Donegal, showing sampling stations usedfor a survey of aquatic fauna, 1998. Figure 4.16.1 Section of O.S. 6" map showing area of Inch Lough,Lough Swilly, Co. Donegal. Figure 4.16.2 Sketch map of Inch Lough, Lough Swilly, Co. Donegal, showingsampling stations used for a survey of aquatic fauna, 1998. Figure 6.1 Relative proportions of fauna in 8 salinity tolerance classes in39 lagoons (Type 1). Figure 6.2 Relative proportions offauna in 8 salinity tolerance classes in 39 lagoons (Type2). Figure 6.3 Relative proportions offauna in 8 salinity tolerance classes in 39 lagoons (Type3). Figure 6.4 Relative proportions offauna in 8 salinity tolerance classes in 39 lagoons (Type4). Figure 6.5 Relative proportions offauna in 8 salinity tolerance classes in 39 lagoons (Type5). Figure 6.6 Relative proportions ofmain taxonomic groups in 39 lagoons (Type A). Figure 6.7 Relative proportions ofmain taxonomic groups in 39 lagoons (Type B). Figure 6.8 Relative proportions ofmain taxonomic groups in 39 lagoons (Type Q. ii Figure 6.9 Relative proportions of main taxonomic groups in 39 lagoons (TypeD). Figure 6.10 Relative proportions of main taxonomic groups in 39 lagoons (TypeE). List of Tables. Table 1.1 List of lagoonal specialist fauna in Britain Table 1.2 Proposed list of lagoonal specialist fauna in Ireland Table 2.1 List of sites surveyed in 1998. Table 4.1.1 Aquatic fauna recorded at stations in Ballyteige drainage channels, Co.Wexford. 1998. Table 4.2.1 List of taxa recorded in Kilmore L., arranged in broadecological categories. Table 4.2.2 Aquatic fauna recorded at stations in Kilmore Lake, Co. Cork.1998. Table 4.3.1 Aquatic fauna recorded at stations in An Loch Mor, InisOirr, Co. Galway. 1998. Table 4.3.2 Salinity data from L. Mor. Table 4.4.1 Aquatic fauna recorded at stations in Loch Phort Chorr ich,Arainn, Co. Galway. 1998. Table 4.5.1 Aquatic fauna recorded at stations in Loch an Chara, Arainn,Co. Galway. 1998. Table 4.6.1 Aquatic fauna recorded at stations in the Loch Fhada complex,Co. Galway. 1998. Table 4.7.1 List of taxa recorded in L. an Aibhnin arranged inbroad ecological categories Table 4.7.2 Aquatic fauna recorded at stations in Loch an Aibhnin, Co.Galway. 1998. Table 4.8.1 Aquatic fauna recorded at stations in Loch Cara Fionnla, Co.Galway. 1998. Table 4.8.2 Aquatic fauna recorded at stations in Kinvarra saltmarsh, Co. Galway.1998. Table 4.9.1 Aquatic fauna recorded at stations in Loch an tSaile, Co.Galway. 1998. Table 4.9.2 Salinity data from L. an tSaile. Table 4.10.1 List of taxa recorded in L. Athola, arranged in broadecological categories. Table 4.10.2 Aquatic fauna recorded at stations in Lough Athola, Co. Galway.1998. Table 4.11.1 Aquatic fauna recorded at stations in Lough Bofin, Co. Galway.1998. Table 4.12.1 Aquatic fauna recorded at stations in Maghery Lough, Co. Donegal.1998. Table 4.13.1 Aquatic fauna recorded at stations in Sally's Lough, Co. Donegal.1998. Table 4.14.1 Aquatic fauna recorded at stations in Kincas Lough, Co. Donegal.1998. Table 4.15.1 Aquatic fauna recorded at stations in Moorlagh, Co. Donegal. 1998. Table 4.16.1 Aquatic fauna recorded at stations in Inch Lough, Co. Donegal.1998. Table 5.1. Aquatic fauna recorded in the 16 sites selected for surveyin 1998. Table 6.1 List of taxa identified recorded in the 36 sites surveyedin 1996 and 1998. Table 6.2 Numbers of taxa, lagoonal specialists and taxonomic groups recorded in1996 and 1998. Table 7.1 Summary of the 16 sites showing size of the lagoonand numbers of taxa, lagoonal specialists and rare species. Table 7.2 Evaluation scores for the 36 sites based on fauna andfaunal habitat. Table 7.3 Ranking of the 36 sites for Score 1 and Score2 Table 7.4 Conservation value of the 36 sites surveyed. List of plates Plate 4.1.1 View of Cull Lake (Sta. 1), Ballyteige, Co. Wexford. 1998. Plate 4.1.2 View looking north along sea wall towards pumping station.Ballyteige drainagechannels, Co. Wexford. 1998. Plate 4.1.3 View looking east along channel from pumping station (Sta.