Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Фев. 19, 2024
Abstract
Since
24
February
2022,
Ukraine
has
experienced
full-scale
military
aggression
initiated
by
the
Russian
Federation.
The
war
had
a
major
negative
impact
on
vegetation
cover
of
war-affected
regions.
We
explored
interactions
between
pre-war
forest
management
and
impacts
activities
in
three
most
forested
Ukrainian
areas
interest
(AOI),
affected
war.
These
were
forests
lying
Kharkiv
Luhansk
cities
(AOI
‘East’),
along
Dnipro
River
delta
‘Kherson’),
those
Chornobyl
Exclusion
Zone
CEZ).
used
Sentinel
satellite
imagery
to
create
damaged
masks
for
year
2022.
mapped
with
elevated
fire
hazard,
which
was
defined
as
degree
exposure
fire-supporting
land
use
(mostly
an
agricultural
land,
common
source
ignitions
Ukraine).
evaluated
disturbance
rate
compared
rates.
documented
significant
increases
non-stand
replacing
disturbances
(low
severity
fires
non-fire
disturbances)
all
AOIs.
Damaged
varied
among
AOIs
(24,180
±
4,715
ha,
or
9.3%
1.8%
‘East’
AOI;
7,293
1,925
15.7%
4.1%
‘Kherson’
7,116
1,274
5.0%
0.9%
CEZ
AOI).
Among
AOI
will
likely
have
highest
proportion
area
hazard
coming
decades,
other
regions
(89%
vs.
70%
respectively).
Future
risks
extensive
war-related
call
develop
strategies
explicitly
addressing
these
factors.
Agricultural and Forest Entomology,
Год журнала:
2022,
Номер
25(1), С. 119 - 129
Опубликована: Сен. 5, 2022
Abstract
Several
time‐series
analyses
have
demonstrated
that
after
extreme
summer
drought
bark
beetle
damage
increased.
However,
studies
predicting
stand
susceptibility
over
large
spatial
extents
are
limited
by
technical
constraints
in
obtaining
detailed,
spatially‐explicit
data
on
infestation
spot
occurrence.
Using
a
unique
dataset
of
georeferenced
data,
we
tested
whether
the
variation
local
growing
conditions
forest
stands,
topography,
and
landscape
variables
modified
occurrence
Ips
typographus
infestations
severe
hot
Central
Europe.
Bark
depended
soil‐related
aridity
intensity,
elevation,
slope,
soil
conditions.
We
showed
elevation
interacted
with
topography.
At
low
elevations,
spruce
forests
flat
areas
wetter
soils
were
more
sensitive
to
infestations.
On
contrary,
steep
slopes
water
availability
rarely
attacked.
scale,
increased
host
tree
cover
but
decreased
compositional
diversity.
Our
findings
generally
consistent
growth‐differentiation
balance
hypothesis
predicts
trees
under
chronic
dry
tend
be
resistant
against
biotic
disturbances.
Spruce
stands
at
elevations
located
homogeneous
landscapes
dominated
those
exposed
beetles
initial
phase
drought‐induced
outbreak.
Global Change Biology,
Год журнала:
2024,
Номер
30(1)
Опубликована: Янв. 1, 2024
Changes
to
the
spatiotemporal
patterns
of
wildfire
are
having
profound
implications
for
ecosystems
and
society
globally,
but
we
have
limited
understanding
extent
which
fire
regimes
will
reorganize
in
a
warming
world.
While
predicting
regime
shifts
remains
challenging
because
complex
climate-vegetation-fire
feedbacks,
climate
niches
provides
simple
way
identify
locations
most
at
risk
change.
Using
globally
available
satellite
datasets,
constructed
14
metrics
describing
dimensions
then
delineated
Australia's
pyroregions-the
geographic
area
encapsulating
broad
regime.
Cluster
analysis
revealed
18
pyroregions,
notably
including
(1)
high-intensity,
infrequent
fires
temperate
forests,
(2)
high-frequency,
smaller
tropical
savanna,
(3)
low-intensity,
diurnal,
human-engineered
agricultural
zones.
To
inform
shifts,
identified
where
under
three
CMIP6
scenarios
is
projected
shift
(i)
beyond
each
pyroregion's
historical
niche,
(ii)
into
space
that
novel
Australian
continent.
Under
middle-of-the-road
projections
(SSP2-4.5),
an
average
65%
pyroregions
occurred
their
by
2081-2100.
Further,
52%
pyroregion
extents,
on
average,
were
occur
without
present-day
analogues
continent,
implying
high
shifting
states
also
lack
counterparts.
Pyroregions
hot-arid
climates
both
locally
continentally
narrower
than
southern
already-hot
lead
earlier
departure
from
space.
Such
implies
widespread
emergence
no-analogue
regimes.
Our
approach
can
be
applied
other
regions
assess
vulnerability
rapid
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Год журнала:
2024,
Номер
99(4), С. 1411 - 1424
Опубликована: Март 13, 2024
ABSTRACT
Anthropogenic
habitat
loss
is
widely
recognized
as
a
primary
environmental
concern.
By
contrast,
debates
on
the
effects
of
fragmentation
persist.
To
facilitate
overcoming
these
debates,
here
we:
(
i
)
review
state
literature
fragmentation,
finding
widespread
confusion
and
stigma;
ii
identify
consequences
this
for
biodiversity
conservation
ecosystem
management;
iii
suggest
ways
in
which
research
can
move
forward
to
resolve
problems.
Confusion
evident
from
25
most‐cited
articles
published
between
2017
2021.
These
use
five
distinct
concepts
only
one
clearly
distinguishes
area
other
factors
(‘fragmentation
per
se
’).
Stigmatization
our
new
findings
that
papers
are
more
charged
with
negative
sentiments
when
compared
subfields
sciences,
cited
more.
While
most
empirical
studies
find
neutral
or
positive
species
outcomes,
implies
small
patches
have
high
cumulative
value,
stigma
reporting
discussing
such
results
led
suboptimal
protection
policy.
For
example,
government
agencies,
organizations,
land
trusts
impose
minimum
patch
sizes
protection.
Given
value
patches,
policies
mean
many
opportunities
being
missed.
Our
highlights
importance
reducing
research.
end,
we
propose
implementing
study
designs
multiple
sample
landscapes
selected
across
independent
gradients
amount
measured
density.
We
show
possible
forest
Earth's
biomes.
As
adopted,
language
becomes
precise,
expect
will
dissipate.
also
important
breakthroughs
understanding
situations
where
neutral,
positive,
negative,
reasons
differences.
Ultimately
improve
efficacy
area‐based
policies,
benefit
people.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Фев. 19, 2024
Abstract
Since
24
February
2022,
Ukraine
has
experienced
full-scale
military
aggression
initiated
by
the
Russian
Federation.
The
war
had
a
major
negative
impact
on
vegetation
cover
of
war-affected
regions.
We
explored
interactions
between
pre-war
forest
management
and
impacts
activities
in
three
most
forested
Ukrainian
areas
interest
(AOI),
affected
war.
These
were
forests
lying
Kharkiv
Luhansk
cities
(AOI
‘East’),
along
Dnipro
River
delta
‘Kherson’),
those
Chornobyl
Exclusion
Zone
CEZ).
used
Sentinel
satellite
imagery
to
create
damaged
masks
for
year
2022.
mapped
with
elevated
fire
hazard,
which
was
defined
as
degree
exposure
fire-supporting
land
use
(mostly
an
agricultural
land,
common
source
ignitions
Ukraine).
evaluated
disturbance
rate
compared
rates.
documented
significant
increases
non-stand
replacing
disturbances
(low
severity
fires
non-fire
disturbances)
all
AOIs.
Damaged
varied
among
AOIs
(24,180
±
4,715
ha,
or
9.3%
1.8%
‘East’
AOI;
7,293
1,925
15.7%
4.1%
‘Kherson’
7,116
1,274
5.0%
0.9%
CEZ
AOI).
Among
AOI
will
likely
have
highest
proportion
area
hazard
coming
decades,
other
regions
(89%
vs.
70%
respectively).
Future
risks
extensive
war-related
call
develop
strategies
explicitly
addressing
these
factors.