Columbia subject headings:
Biology--Ireland--Periodicals.
Biology--Periodicals.
Ecology--Ireland--Periodicals.
Ecology--Periodicals.
Harvard subject headings:
Biology--Ireland--Periodicals.
Biology--Periodicals
Ecology--Ireland--Periodicals.
Ecology--Periodicals
Princeton subject headings:
Biology--Ireland--Periodicals.
Biology--Periodicals.
Ecology--Ireland--Periodicals.
Ecology--Periodicals.
Periodicals.