Image:
Ca va
Fo
ea ly
two
decades,
the e
was
o
sig
of
beave s
alo g
St awbe y
C eek
i
G eat
Basi
Natio al
Pa k.
The ,
i
2024,
pa k
staff
discove ed
evide ce
that
o e
had
etu ed,
seve al
quaki g
aspe
t ees
had
bee
f eshly
cut
dow
beside
a
beave
dam
a alogue,
a
huma -built
st uctu e
desig ed
to
imitate
the
ecological
effects
of
a
atu al
beave
dam.
The
discove y
was
pa ticula ly
e cou agi g
because
the
ea est
k ow
active
beave
dams
we e
mo e
tha
five
miles
dow st eam.
The
a imal
appa e tly
t avelled
a
co side able
dista ce
befo e
eachi g
the
esto ed
sectio
of
the
c eek.
Eve
mo e
ema kably,
the
beave
bega
usi g
a
la dscape
that
huma s
had
delibe ately
p epa ed
to
pe fo m
some
of
the
fu ctio s
beave s
atu ally
p ovide.
The
Natio al
Pa k
Se vice
desc ibed
the
discove y
as
the
fi st
sig
of
the
species
i
St awbe y
C eek
i
19
yea s.
Although
the
a imal
appa e tly
moved
o
without
buildi g
a
lodge,
its
a ival
offe ed
a
u expected
i dicatio
that
esto atio
was
c eati g
co ditio s
suitable
fo
a
atu al
ecosystem
e gi ee .
Afte
the
fi e,
St awbe y
C eek
o
lo ge
looked
like
the
cold
mou tai
st eam
its
ative
t out
eeded
The
sto y
bega
with
the
2016
St awbe y
Fi e,
which
bu ed
2,790
ac es
of
G eat
Basi
Natio al
Pa k.
Amo g
the
a eas
affected
we e
the
ipa ia
zo es
su ou di g
St awbe y
C eek,
a
impo ta t
mou tai
st eam
that
p ovides
habitat
fo
Bo eville
cutth oat
t out
a d
suppo ts
wide
ecological
p ocesses.
The
fi e
emoved
vegetatio
alo g
the
c eek,
i c eased
wate
tempe atu es
a d
co t ibuted
to
e osio
a d
sedime tatio .
Fo
the
t out,
the
co seque ces
we e
seve e.
Befo e
the
fi e,
St awbe y
C eek
had
bee
the
pa k’s
most
p oductive
Bo eville
cutth oat
t out
st eam.
Afte wa ds,
fish
disappea ed
f om
seve ely
bu ed
sectio s,
while
ave age
populatio
de sity
fell
sha ply.
The
loss
of
st eamside
vegetatio
also
mea t
less
shade
a d
cove ,
while
e osio
alte ed
the
c eek’s
physical
st uctu e.
The
esto atio
team
the efo e
eeded
to
ebuild
habitat
athe
tha
simply
eplace
i dividual
pla ts.