The revisionists contend that the country un-
derwent a major transformation through the centu-
ries of contact with Rome, culminating in conver-
sion to Christianity and the consequent intro-
duction of literacy. In this scenario the Iron Age is
seen as a depressed period when agricultural and
pasture lands contracted, as shown by an increase of
tree pollen in several pollen diagrams from different
parts of Ireland. This contraction began in about
the seventh century
B.C., perhaps intensified around
200
B.C., and continued until about the third centu-
ry
A.D., when woodland clearance recommenced.
This renewed clearance has been attributed to the
introduction of the plow with iron share and coulter
and of dairying, through contact with Roman Brit-
ain. It is thought that productivity of both tillage
and livestock thus improved considerably, which in-
creased the wealth of the upper classes and enabled
them to invest in clients and to buy slaves. In this
way, so the hypothesis has it, the rural economy and
society that were so well documented in the early
medieval period were triggered by innovations from
the Roman world.
We have no satisfactory dating for the appear-
ance of the iron share and coulter, however, and the
introduction of dairying is the subject of controver-
sy. Pam Crabtree has argued that the mortality pat-
tern of cattle bones from Knockaulin, probably dat-
ing to the first century
B.C. or the first century A.D.,
is consistent with dairying. Finbar McCormick dis-
puted this analysis and went on to propose the hy-
pothesis that dairying was introduced through
Roman contacts (i.e., later than the Knockaulin as-
semblage). In addition, he argued that ringforts—
those typical enclosed homesteads of the earlier me-
dieval period—were developed specifically to pro-
vide protection for valuable dairy cattle. Milk
residues have been identified, however, in British
prehistoric pottery. Since this pottery is as old as the
Neolithic (fourth through third millennia
B.C.), it is
plausible to propose that dairying was introduced to
nearby Ireland in prehistoric times. Clearly, this de-
bate will continue.
The nativist and revisionist positions are not
completely incompatible: the former does not deny
that the conversion to Christianity promoted sub-
stantial changes in Irish society, nor does the latter
deny some continuity from Iron Age to early Chris-
tian Ireland (e.g., La Tène art). As archaeological
evidence gradually accrues, and textual analysis is
pursued, interpretations will improve.
See also Milk, Wool, and Traction: Secondary Animal
Products (vol. 1, part 4); Trackways and Dugouts
(vol. 1, part 4); Bronze Age Britain and Ireland
(vol. 2, part 5); Irish Bronze Age Goldwork (vol. 2,
part 5); La Tène Art (vol. 2, part 6); Irish Royal
Sites (vol. 2, part 6); Early Christian Ireland (vol. 2,
part 7); Raths, Crannogs, and Cashels (vol. 2, part
7).
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