Fire severity and its induced permafrost degradation drive vegetation recovery and succession in the permafrost region in the northern Da Xing’anling Mountains, NE China
CATENA,
Journal Year:
2025,
Volume and Issue:
254, P. 108970 - 108970
Published: March 28, 2025
Language: Английский
Environmental gradients and carabid beetle diversity: Insights from wildfire and intensive site preparation in a Central European forest
Agricultural and Forest Entomology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 26, 2025
Abstract
Modern
interventions,
especially
afforestation
with
Scots
pine
(
Pinus
sylvestris
(Pinales:
Pinaceae),
L.),
have
accelerated
habitat
degradation
in
sandy
lowland
regions,
reducing
biodiversity
and
hindering
the
continuous
succession
of
beetle
populations.
We
conducted
research
from
2013
to
2021
Moravská
Sahara–Bzenec
district,
South
Moravia,
following
a
2012
wildfire.
This
study
investigated
whether
wildfire
intensive
site
preparation—specifically,
disc
trenching
for
replanting—could
support
long‐term
restoration
persistence
psammophilous
Beetle
assemblages
(Coleoptera:
Carabidae)
were
compared
across
six
vegetation
stages:
(i)
uprooted
stand,
afforested;
(ii)
left
decay;
(iii)
semi‐decayed
mid‐aged
stand;
(iv)
affected
mature
(v)
unaffected
(vi)
stand.
recorded
25,468
ground‐dwelling
beetles
113
species.
The
findings
suggest
that
shapes
by
creating
diverse
habitats
various
Habitat
changes
associated
fire
severity,
successional
stage
preparation
intensity,
resulting
distinct
species
clusters.
These
results
indicate
wildfires
can
be
valuable
conservation
tool
enhancing
diversity
early‐successional
assemblages.
In
open
areas
subjected
reforestation,
gradually
declined
no
replacement,
reflecting
homogeneous
structure.
To
promote
continuity,
we
recommend
implementing
low‐intensity
repeat
fires
near
stands.
Consequently,
increased
forest
canopy
closure
should
not
regarded
solely
as
regeneration
but
potential
threat
richness
these
habitats.
Language: Английский
Fire severity drives understory community dynamics and the recovery of culturally significant plants
Ecosphere,
Journal Year:
2024,
Volume and Issue:
15(3)
Published: March 1, 2024
Abstract
Anthropogenic
influences
are
altering
fire
regimes
worldwide,
resulting
in
an
increase
the
size
and
severity
of
wildfires.
Simultaneously,
throughout
western
North
America,
there
is
increasing
recognition
important
role
Indigenous
stewardship
shaping
historical
fire‐adapted
ecosystems.
However,
limited
understanding
how
ecosystems
affected
by
or
recover
from
contemporary
“megafires,”
particularly
terms
understory
plant
communities
that
critical
to
both
biodiversity
cultures.
To
address
this
gap,
our
collaborative
study,
partnership
with
Secwépemc
First
Nations,
examined
community
recovery
following
a
large,
mixed‐severity
wildfire
burned
dry
mesic
conifer
forests
British
Columbia,
Canada,
focus
on
plants
high
cultural
significance
communities.
measure
effect
continuous
gradient
across
forest
types,
we
conducted
field
assessments
sampled
4
years
postfire.
We
found
native
species
richness
were
lowest
areas
at
severity,
distinct
compositional
differences
between
unburned
those
severity.
These
findings
consistent
types
characterized
regimes.
In
contrast,
exotic
increased
dominant
montane
interior
Douglas‐fir
forests,
closely
associated
Our
study
indicates
recent
megafires
may
be
pushing
outside
their
range
variability,
negative
implications
for
ecosystem
use
these
fire‐affected
landscapes.
also
consistently
higher
diversity,
richness,
subalpine
forests.
Collectively,
results
provide
strong
evidence
ecological
low‐
moderate‐severity
longstanding
ongoing
peoples
As
wildfires
continue
impact
human
communities,
offers
novel
insights
into
values,
while
highlighting
need
support
ethical
research
collaborations
Indigenous‐led
revitalization
stewardship.
Language: Английский