Regional Environmental Change,
Год журнала:
2024,
Номер
24(4)
Опубликована: Окт. 21, 2024
Abstract
Agricultural
abandonment
has
given
rise
to
novel
landscape
dynamics
worldwide.
This
paper
investigates
and
post-abandonment
in
continental
Portugal
as
a
hotspot
of
change.
We
mapped
the
spatial
patterns
drivers
recent
(1995–2018)
land
use
changes
remote
mountainous
region
trajectories,
based
on
detailed
use/land
cover
data
made
available
by
Portuguese
government.
showed
that
‘Revegetation’
indicative
agricultural
abandonment,
were
still
widespread
between
1995
2007.
However,
2007
2018,
was
much
more
stable
with
‘Return
agriculture’
dominant
change
trajectory.
To
understand
what
drives
after
we
explored
influence
wide
range
potential
biogeophysical
socio-economic
observed
trajectories.
contrasted
different
outcomes
binary
logistic
regression
models
underlying
independent
variables.
The
regressions
revealed
most
significant
determinants
these
alternating
are
existing
use,
climate,
slope,
protection
regime
accessibility.
results
at
times
counterintuitive
give
important
indications
changing
spatio-temporal
scales
which
variables
exert
outcomes.
models’
limited
accuracies
highlight
need
for
deeper
investigation
historic
context
changes.
Improved
understanding
(drivers
of)
alternative
following
can
help
inform
policy
decisions
regarding
agriculture
cultural
preservation.
Hundreds
of
millions
hectares
cropland
have
been
abandoned
globally
since
1950
due
to
demographic,
economic,
and
environmental
changes.
This
abandonment
has
seen
as
an
important
opportunity
for
carbon
sequestration
habitat
restoration;
yet
those
benefits
depend
on
the
persistence
abandonment,
which
is
poorly
known.
Here,
we
track
recultivation
at
11
sites
across
four
continents
using
annual
land-cover
maps
1987–2017.
We
find
that
largely
fleeting,
lasting
average
only
14.22
years
(SD
=
1.44).
At
most
sites,
project
>50%
croplands
will
be
recultivated
within
30
years,
precluding
accumulation
substantial
amounts
biodiversity.
Recultivation
resulted
in
30.84%
less
35.39%
accumulated
by
2017
than
expected
without
recultivation.
Unless
policymakers
take
steps
reduce
or
provide
incentives
regeneration,
remain
a
missed
biodiversity
loss
climate
change.
Agriculture & Food Security,
Год журнала:
2023,
Номер
12(1)
Опубликована: Май 5, 2023
Abstract
Measurement
is
critical
for
assessing
and
monitoring
food
security.
Yet,
it
difficult
to
comprehend
which
security
dimensions,
components,
levels
the
numerous
available
indicators
reflect.
We
thus
conducted
a
systematic
literature
review
analyse
scientific
evidence
on
these
dimensions
components
covered,
intended
purpose,
level
of
analysis,
data
requirements,
recent
developments
concepts
applied
in
measurement.
Data
analysis
78
articles
shows
that
household-level
calorie
adequacy
indicator
most
frequently
used
(22%)
as
sole
measure
The
dietary
diversity-based
(44%)
experience-based
(40%)
also
find
frequent
use.
utilisation
(13%)
stability
(18%)
were
seldom
captured
when
measuring
security,
only
three
retrieved
publications
measured
by
considering
all
four
dimensions.
majority
studies
employed
secondary
whereas
primary
data,
suggesting
convenience
collecting
than
dietary-based
indicators.
confirm
estimation
complementary
consistently
over
time
can
help
capture
different
are
more
suitable
rapid
assessments.
suggest
practitioners
integrate
consumption
anthropometry
regular
household
living
standard
surveys
comprehensive
analysis.
results
this
study
be
stakeholders
such
governments,
academics
briefs,
teaching,
well
policy-related
interventions
evaluations.
Environmental Science & Policy,
Год журнала:
2022,
Номер
133, С. 44 - 53
Опубликована: Март 21, 2022
The
European
Green
Deal
sets
targets
for
biodiversity,
climate
change,
sustainable
farming,
and
rural
development.
For
abandoned
agricultural
lands
to
contribute
these
goals,
specific
policy
measures
support
appropriate
land
management
are
required.
However,
information
is
lacking
on
what
policies
will
mean
landowners
managers.
This
paper
reviews
the
role
of
in
Union
(EU)
linked
Deal.
We
interviewed
30
experts
identify
challenges
faced
by
response
identified
gather
suggestions
future
improvements.
found
few
explicit
mentions
policies.
potential
alternative
trajectories
(beyond
farming)
was
generally
implicit.
According
experts,
perceive
EU
Common
Agriculture
Policy
as
most
influential
drive
abandonment
(or
hinder)
opportunities
re-management.
main
(re-)use
their
included
conflicting
policies,
lack
financial
technical
support,
a
feeling
disconnection
with
defined
at
level.
To
address
gap
between
objectives
implementation,
need
secure
provide
three
recommendations
uncover
targets:
(1)
increase
visibility
(2)
rely
an
integrating
approach,
(3)
careful
spatial
planning
account
biophysical,
socioeconomic,
cultural
variations
across
regions.
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Год журнала:
2024,
Номер
99(3), С. 820 - 836
Опубликована: Фев. 12, 2024
As
we
enter
the
UN
Decade
on
Ecosystem
Restoration
(2021-2030)
and
address
urgent
need
to
protect
restore
ecosystems
their
ecological
functions
at
large
scales,
rewilding
has
been
brought
into
limelight.
Interest
in
this
discipline
is
thus
increasing,
with
a
number
of
conceptual
scientific
papers
published
recent
years.
Increasing
enthusiasm
led
discussions
debates
community
about
differences
between
restoration
rewilding.
The
main
goal
review
compare
clarify
position
each
field.
Our
results
show
that
despite
some
(e.g.
top-down
versus
bottom-up
functional
taxonomic
approaches)
notably
distinct
goals
-
recovery
defined
historically
determined
target
ecosystem
natural
processes
often
no
endpoint
have
common
scope:
following
anthropogenic
degradation.
expanded
progress
However,
it
unclear
whether
there
paradigm
shift
moving
towards
or
vice
versa.
We
underline
complementarity
time
space
To
conclude,
argue
reconciliation
these
two
fields
nature
conservation
ensure
could
create
synergy
achieve
scope.
Remote Sensing,
Год журнала:
2024,
Номер
16(6), С. 1052 - 1052
Опубликована: Март 15, 2024
Whether
China
can
achieve
the
United
Nations’
Sustainable
Development
Goals
(SDGs)
largely
depends
on
ability
of
main
food-producing
areas
to
cope
with
multiple
land
use
change
challenges.
Despite
fact
that
Yangtze
River
basin
is
one
key
regions
for
China’s
food
security,
spatiotemporal
dynamics
cropland
abandonment
and
recultivation
remain
unexplored
in
this
region.
The
present
study
assesses
evolution
agricultural
system
within
between
2000
2020
by
mapping
using
MODIS
time
series
cover
products.
results
highlight
a
widespread
process
(i.e.,
10.5%
total
area
2020),
predominantly
Western
Sichuan,
Eastern
Yunnan,
Central
Jiangxi.
Although
70%
abandoned
situated
slopes
less
than
5°,
highest
rates
are
mountainous
regions.
However,
2020,
74%
had
been
recultivated
at
least
once,
whereas
half
croplands
got
three
years
their
initial
abandonment.
Hence,
as
first
studies
unravels
complex
interaction
explicit
context,
it
offers
(i)
scientists
novel
methodological
framework
assess
issues
across
large
geographical
entities,
(ii)
policy-makers
new
insights
support
sustainable
transition
sector.
Sustainability,
Год журнала:
2025,
Номер
17(2), С. 694 - 694
Опубликована: Янв. 17, 2025
Decarbonization
strategies
aim
at
increasing
renewable
energy
source
(RES)
capacity,
including
new
photovoltaic
(PV)
systems.
Utility-scale
PV
installations
are
often
placed
in
agricultural
areas,
resulting
a
reduction
land
and
affecting
the
environment.
To
balance
policies,
development
should
not
limit
purposes,
allowing
sustainable
exploitation
under
specific
technological
environmental
conditions,
particularly
areas
of
actual
or
potential
abandonment.
Studying
abandonment
is
complex
due
to
its
multifaceted
nature,
lack
clear
definition,
challenges
acquiring
cartographic
data.
This
study
introduces
compares
two
methodologies
identify
abandoned
aiming
delineate
macro-areas
examine
patterns
for
conversion
use,
with
focus
on
Toscana,
region
(NUTS-2)
central
Italy,
which
has
experienced
cropland
unrelated
urbanization.
The
first,
simplified
approach
analyses
cover
changes
from
2000
2018,
while
second
method
provides
more
detailed
detection
by
means
medium
spatial
resolution
satellite
imagery
Harmonized
Landsat
Sentinel-2
dataset.
A
Random
Forest
classifier
combined
Object-Based
Image
Analysis
(OBIA)
applied
data
map
annual
active/non-active
croplands.
Annual
maps
then
validated
trajectory-based
detect
methodology
can
help
providing
spatially
timely
meaning
estimates
be
recovered
purposes
promote
growth