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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| McVicker, S.J. | 1993 | A study of the vegetational history of the Mourne Mountains, county Down, using palynological and tephrochronological techniques | Ph.D. Thesis | | Details... |
| National Trust | 1993 | Biological Survey - Skernaghan Point | Report | | Details... |
| Northern Ireland Bird Report 1991-92. | 1993 | Northern Ireland Bird Report 1992-1992 | Report | | Details... |
| Nunn, J.D. | 1993 | Recording Mollusca in Ireland: Castleward Bay, Strangford Lough | Journal | Conch. Newsletter | Details... |
| Oxford, G.S. & Ross, H.C.G. | 1993 | Three Tegenaria species newly recorded from Northern Ireland | Journal | Brit. Arach. Soc. Newsletter | Details... |
| Phillips, J.C.L. | 1993 | Presidential excursion: Florence Court Forest Park | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Reid, B. | 1993 | Strangford Lough - the need to involve the local community | Journal | PMNHS Newsletter | Details... |
| Riley, D.H. | 1993 | Further changes in a dune grassland in Co. Londonderry, 1980-1990 | Journal | Ir. Nat. J. | Details... |
| Rippey, I. | 1993 | 1992 Butterfly and moth report for Northern Ireland | Report | | Details... |
| Roberts, D.T. & Mackie, T.G. | 1993 | Survey of the freshwater pearl mussel populations of Northern Ireland. Unpublished report, Dept of Environment Contract CP1432/1 | Report | | Details... |
| RSPB | 1993 | Castlecaldwell Annual Report | Report | | Details... |
| RSPB | 1993 | Portmore Lough Annual Report | Report | | Details... |
| RSPB | 1993 | Rathlin Island Annual Report | Report | | Details... |
| RSPB | 1993 | Swan Island Annual Report | Report | | Details... |
| Russell, B. | 1993 | Excursion: Fair Head | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Russell, B. | 1993 | Excursion: Slieve Gullion | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Russell, B. | 1993 | Excursion: Vulcanology at Black Head | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Russell, B.W. | 1993 | Excursion: The Quaternary of north Antrim | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Scruby, M. & Foster, A. | 1993 | National Trust Biological Survey 1992. Castle Coole, Co. Fermanagh | Report | | Details... |
| Scruby, M. & Foster, A. | 1993 | National Trust Biological Survey. Castleward, Co. Down | Report | | Details... |
3701 references found.