Browsing by Author "Whelan, John"

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Breeding bird populations of Irish peatlands : capsule peatlands are very important habitats for birds despite low species diversity

Bracken, Fintan ; McMahon, Barry J. ; Whelan, John (British Trust for Ornithology / Taylor & Francis, 2008)

Aims to describe the variation in breeding bird populations that occur on different types of Irish peatlands and their associated habitat characteristics. Methods: Bird abundance and diversity were compared between four ...
A comparison of winter bird communities in agricultural grassland and cereal habitats in Ireland: implications for Common Agricultural Policy reform

McMahon, Barry J. ; Carnus, Tim ; Whelan, John (Taylor & Francis, 2013-01-16)

Capsule. In winter, grassland sites had greater bird numbers compared to winter cereals, but a number of species of conservation concern were exclusively recorded on winter cereals. Aims. To compare the winter bird ...
Farmland birds and the field boundary evaluation and grading system in Ireland.

McMahon, Barry J. ; Whelan, John ; Kirwan, Laura ; Collier, Marcus (Faculty of Agriculture, UCD in association with Teagasc, 2005-07)

Field boundaries are important habitats for birds within the agricultural landscape. In this study, bird surveys were carried out during the winter and breeding season on nine farms in the east and south-east of Ireland ...