|
| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Johnston, T.P., Legg, I.C., Mitchell, W.I., Smith, R.A. & Young, R.S.M. | 1990 | Geological map of Derrygonnelly and Marble Arch | Map | | Details... |
| Kelly, J.G. | 1990 | Reyfad Pot. Irelands deepest (and longest?) descent | Published | | Details... |
| Mallory, J.P. | 1990 | Trial excavations at Tievebulliagh, Co. Antrim | Journal | Ulst. J. Archaeol. | Details... |
| Milton, K. | 1990 | Negative images: the social structure of conservation in Northern Ireland | Chapter | | Details... |
| Milton, K. | 1990 | Our countryside, our concern. The policy and practice of conservation in Northern Ireland | Report | | Details... |
| Mitchell, W.I. & Owens, B. | 1990 | The geology of the western part of the Fintona Block: evolution of Carboniferous basins | Journal | Geol. Mag. | Details... |
| Nash, R., Boston, M.R. & Nelson, B. | 1990 | The Hymenoptera Aculeata in the superfamilies Pompiloidea, Vespoidea, Sphecoidea and Apoidea of Murlough National Nature Reserve, Co. Down | Journal | Ir. Nat. J. | Details... |
| National Trust | 1990 | Plant list for Crom Estate made in c.1990 and using DOE lists as well as National Trust survey | Unpublished | | Details... |
| Nelson, B. | 1990 | Xanthandrus comtus Harris and Xylota abien Meigen (Diptera: Syrphidae) in Co. Fermanagh | Journal | Ir. Nat. J. | Details... |
| O'Neil, S. | 1990 | Soil profile development at Murlough sand spit, Co. Down | Unpublished | | Details... |
| Phillips, J. | 1990 | Excursion: Conlig | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Phillips, J.C.L. | 1990 | Dense-flowered or Irish orchid Neotinea maculata (Desf.) Stearn in Co. Fermanagh (H33) | Journal | Ir. Nat. J. | Details... |
| Picton, B.E. | 1990 | The sublittoral communities of Rathlin Island, Northern Ireland | Journal | PMNHS Newsletter | Details... |
| Rippey, I. | 1990 | Alder buckthorn Frangula alnus Miller and other scarce plants in Co. Down (H38) | Journal | Ir. Nat. J. | Details... |
| Rippey, I. | 1990 | Excursion: Peatlands Park, Co. Armagh | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Rippey, I. | 1990 | Excursion: Crawfordsburn Country Park and Clandeboye Estate | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Rippey, I. | 1990 | Brackagh Bog N.N.R. habitat and invertebrate survey. Unpublished report to EHS | Report | | Details... |
| RSPB | 1990 | Great crested grebe count - Belfast Lough | Unpublished | | Details... |
| Toal, L. | 1990 | Merlin survey data for Northern Ireland | Unpublished | | Details... |
| Twist, R.S. | 1990 | Excursion: Geology of the south-east Mournes | Journal | Proc. Belf. Nat. Fld. Club | Details... |
3701 references found.