Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 18, 2024
ABSTRACT
Coastal
wetlands
are
the
most
productive
and
biologically
diverse
ecosystems,
benefiting
both
human
populations
total
environment.
However,
they
continuously
threatened
by
anthropogenic
activities.
Indus
River
Delta
is
sixth
largest
in
world,
has
been
adversely
affected
due
to
reclamation.
The
study
examined
spatiotemporal
dynamics
of
coastal
reclamation
from
1972
2022.
Wetlands
conversion
was
extracted
6‐Landsat
images.
A
land
cover
transfer
matrix
used
analyze
use
(LULC)
changes
different
time
intervals.
Area‐weight
centroid
constructed
determine
migration
trend
wetlands.
Spatial
accurateness
assessed
using
Producer's
Accuracy
(PA),
User
(UA)
KAPPA
coefficient
(KC).
results
reveal
that
2022,
net
area
declined
1.9%
(26.1
km
2
),
while
(settlement
cultivated
land)
increased
14.7%
(200.1
27.5%
(373.5
respectively.
fastest
areal
change
rate
for
−1.1
/year
2012
whereas
settlement
were
7.6
1992
2002
28.6
Centroids
moved
slowly
eastwards
Kharo
Chan
taluka
Keti
Bandar
first
third
decades,
then
southwards
second
decade,
later
on,
westwards
fourth
finally
back
fifth
decade
with
movement.
expanded
all
directions
over
five
decades.
migrated
first,
northwards
Chan.
findings
this
provide
a
scientific
basis
sustainable
development
future
planning.
Water,
Journal Year:
2024,
Volume and Issue:
16(7), P. 1015 - 1015
Published: March 31, 2024
According
to
FAO,
water
scarcity
is
now
affecting
all
five
continents
and
expected
intensify
in
the
coming
years
as
demands
of
growing
population
increase
impacts
climate
variability
become
more
pronounced.
The
existing
unevenness
resource
availability
insufficient
investment
relevant
infrastructure
have
forced
sector
recognize
importance
nonconventional
resources
(NWR)
planning
for
a
sustainable
future.
purpose
this
review
highlight
available
potentially
NWR
discuss
future
application
these
sources.
Foods,
Journal Year:
2025,
Volume and Issue:
14(4), P. 644 - 644
Published: Feb. 14, 2025
This
paper
provides
a
comprehensive
review
and
an
in-depth
analysis
of
the
multifaceted
issues
surrounding
food
security
in
China,
exploring
historical
trends,
current
challenges,
future
strategies.
Drawing
upon
wide
range
sources
including
government
reports,
academic
literature,
expert
analyses,
it
examines
complex
interplay
factors
influencing
production,
distribution,
consumption
China.
The
highlights
importance
addressing
environmental
sustainability,
technological
innovation,
social
equity
shaping
China's
agenda.
By
synthesizing
key
findings
proposing
actionable
recommendations,
this
contributes
to
ongoing
discourse
on
China
offers
insights
for
policymakers,
researchers,
practitioners
alike.
These
underscore
need
integrated
policies
that
promote
sustainable
agricultural
practices,
infrastructure
development
while
supporting
smallholder
farmers,
ensuring
remains
resilient
face
climate
change
evolving
global
dynamics.
Frontiers in Environmental Science,
Journal Year:
2024,
Volume and Issue:
12
Published: June 6, 2024
Introduction:
Land
use
land
cover
(LULC)
change
is
an
important
factor
driving
global
change,
influenced
by
the
interaction
between
human
activities
and
natural
ecosystems.
The
upper
watershed
of
Qingshui
River
adversely
affected
due
to
anthropogenic
activities.
Therefore,
analyzing
factors
changes
in
this
area
crucial
for
ecological
protection
sustainable
development.
Methods:
Based
on
long-term
Landsat
image
data
from
1990–2020,
spatiotemporal
characteristics
LULC
rate
its
basin
were
analyzed
using
transfer
matrix
dynamic
degree
processes.
redundancy
analysis
was
performed
investigate
links
changes,
socio-economic
climatic
variables.
Results:
From
under
waters
woodland
decreased
−2.94
km
2
−451.44
,
respectively.
Meanwhile,
grassland,
arable
land,
construction
unused
increased
278.71
115.72
46.48
13.49
.
In
terms
proportion
total
(2334.10
),
accounted
63.43–44.09%
mainly
distributed
east;
17.00–21.96%
largely
both
sides
middle
lower
parts
basin;
comprised
1.03–3.02%
generally
found
flat
areas
near
downstream
water
only
0.1–0.01%
which
primarily
covered
tributaries
1990–2020.
Construction
lands
showed
fastest
followed
grasslands.
Accelerated
urbanization,
rapid
development,
farmland-to-forest
policy
main
forces
behind
reaches
River.
Discussion:
findings
study
can
assist
planning
strong
management
strategies
development
area.
AIMS Agriculture and Food,
Journal Year:
2024,
Volume and Issue:
9(1), P. 317 - 335
Published: Jan. 1, 2024
<abstract>
<p>Excessive
nitrogen
(N)
fertilizer
application
severely
degrades
soil
and
contaminates
the
atmosphere
water.
A
2-year
field
experiment
was
conducted
to
investigate
effects
of
different
N
strategies
on
wheat-summer
corn
rotation
systems
in
yellow-brown
areas.
The
consisted
seven
treatments:
no
fertilization
(CK),
conventional
(FP),
optimized
(CF),
reduced
rates
10%
(90%
FP),
20%
(80%
30%
(70%
a
combination
controlled
release
with
urea
at
7:3
ratio
(CRU).
results
indicate
that
under
condition
80%
FP,
both
CF
CRU
treatments
can
increase
yield
wheat
for
two
consecutive
years.
Compared
FP
treatment,
increased
by
3.62–2.57%
maize
3.53–1.85%
recovery
rate
(NRE)
crops
46.2–37.8%.
agronomic
use
efficiency
(aNUE)
treatment
35.4–37.7%,
followed
CRU,
which
30.5–33.9%.
Moreover,
compared
content
organic
matter
(OM),
total
(TN),
hydrolyzed
(HN)
topsoil
layer,
70%
significantly
HN
content.
Both
NO<sub>3</sub>
concentrations
0–20
cm
depth
during
season
maturity
stages
decreased
residual
inorganic
below
plow
layer
(40–60
cm).
During
season,
concentration
40–60
from
seedling
jointing.
Considering
various
factors,
conditions
would
be
best
measure
wheat-corn
areas.</p>
</abstract>
