Columbia subject headings:
Landscape assessment--Ireland--Congresses.
Landscape changes--Ireland--Congresses.
Nature--Effect of human beings on--Ireland--Congresses.
Harvard subject headings:
Landscape assessment--Ireland--Congresses.
Landscape changes--Ireland--Congresses.
Nature--Effect of human beings on--Ireland--Congresses.
Princeton subject headings:
Landscape protection--Ireland.
Nature conservation--Ireland.