Last Updated：2025/12/29
Sentence
A
recent
study
of
shell-shape
in
the
dog
whelk
Nucella
lapillus
along
the
Bristol
Channel
suggests
-
that
in
progressively
less
saline
conditions
the
species
lives
in
a
colonising
situation,
where
periodic
food
shortages,
rather
than
physiological
limitations,
decimate
populations
and
sometimes
lead
to
local
extinction.
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A recent study of shell-shape in the dog whelk Nucella lapillus along the Bristol Channel suggests - that in progressively less saline conditions the species lives in a colonising situation, where periodic food shortages, rather than physiological limitations, decimate populations and sometimes lead to local extinction.
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