Ecological Indicators,
Journal Year:
2022,
Volume and Issue:
140, P. 109016 - 109016
Published: June 4, 2022
To
explore
the
spatial
distribution
pattern
of
Tamarix
chinensis
population
and
influencing
factors
in
muddy
coastal
zone
Bohai
Bay,
we
studied
T.
forest
on
beach
area
Beihai
New
District,
Binzhou
City,
Shandong
Province.
A
combination
field
investigations
laboratory-based
sample
analyses
were
used
to
measure
analyze
density,
height,
cover,
distance
from
sea,
groundwater
depth,
soil
salinity,
basic
physical
properties
nutrients.
The
results
showed
that
coefficients
variation
for
18
indices
between
0.03
0.96;
Ca2+
Na+
content
greatest,
followed
by
those
Mg2+,
salt
content,
available
phosphorus,
while
bulk
total
pH
other
indicators
changed
less.
Yellow
River
Delta
an
aggregated
distribution,
its
aggregation
intensity
decreased
with
increasing
scale,
it
tended
evolve
into
a
random
larger
scale.
certain
density
dependence;
is,
greater
was,
intensity.
reason
was
mainly
related
biological
characteristics
organism
itself
or
interactions
environmental
factors.
significantly
negatively
correlated
organic
carbon,
Ca2+,
(P
<
0.05)
very
phosphorus
0.01).
water
positively
K+,
0.01)
sea
depth
0.05).
Na+,
nitrate
nitrogen
K+
main
cations
contributing
salinity
this
forest.
With
increase
gradually
increased,
decreased.
Soil
dominant
affecting
tidal
flat
Delta,
ammonia
nitrogen,
finally
SO42-,
Cl-
sea.
affected
conditions,
which
is
result
long-term
adaptation
evolution
species
within
saline-alkaline
environment.
Therefore,
planting
management
protection
should
try
maintain
growth
according
mechanism
different
habitats
community
types
chinensis,
allowing
coexist
thus
optimizing
habitat
zone.
Frontiers in Forests and Global Change,
Journal Year:
2024,
Volume and Issue:
6
Published: Jan. 11, 2024
Inappropriate
management
of
land
use
systems
is
one
the
main
factors
that
leads
to
soil
quality
degradation
and
its
quantification
crucial
their
sustainable
utilization
planning.
The
objective
research
evaluate
how
various
land-use
systems,
viz.
,
natural
forest,
tree
plantations
Tectona
grandis,
Terminalia
bellirica,
Swietenia
macrophylla,
Artocarpus
hirsutus
Melia
dubia
based
agroforestry
system,
horticulture
(
Mangifera
indica
)
agriculture
impact
physicochemical
biological
characteristics
in
semi-arid
climatic
conditions
India.
Principal
component
analysis
followed
by
linear
non-linear
scoring
methods
was
employed
compute
index
(SQI).
attributes
viz.,
dehydrogenase
activity,
acid
phosphatase
available
nitrogen,
potassium,
calcium,
porosity,
iron
emerged
as
significant
indicators
for
assessing
quality.
Among
different
SQIs,
weighted
SQI
can
efficiently
assess
Based
on
SQI,
order
studied
forest
(0.973)
>
macrophylla
(0.756)
(0.737)
(0.556)
grandis
(0.416)
bellirica
(0.373)
(0.343)
(0.208).
study
concludes
converting
forests
into
deteriorated
Identifying
will
help
rapidly
diagnose
degradation,
soil-based
ecosystem
services,
design
appropriate
practices
future.
Ecological Indicators,
Journal Year:
2022,
Volume and Issue:
144, P. 109479 - 109479
Published: Sept. 24, 2022
The
establishment
of
ecological
economic
system
has
become
the
key
to
realize
transformation
China's
economy
from
high-speed
development
high-quality
development.
This
paper
considers
multiple
goals
economic,
social,
and
benefits
achieve
sustainable
Firstly,
it
establishes
an
indicator
affecting
guide
construction
subsequent
model.
Secondly,
this
study
constructs
a
multi-objective
optimization
model
for
industrial
structure.
According
different
emphasis
objectives,
hybrid
approach
based
on
ant
colony
particle
swarm
(ACO-PSO)
is
implemented
solve
optimal
solution
set
feasible
schemes.
Finally,
Sichuan
Province
selected
as
case
area,
three
scenarios
including
oriented
scenario,
employment
protection
scenario
environment-friendly
are
screened
analyzed.
results
show
that:
(1)
After
reasonable
adjustment
structure,
realizes
overall
benefits,
social
benefits.
comprehensive
have
been
significantly
improved.
(2)
optimized
with
tendencies
promote
Decision
makers
can
make
better
choices
diverse
needs
stage.
Ecological Indicators,
Journal Year:
2022,
Volume and Issue:
140, P. 109024 - 109024
Published: June 8, 2022
To
upgrade
the
groundwater
quality
evaluation
model
based
on
Hasse
diagram
technique
(HDT),
this
paper
established
a
new
game
theory
and
HDT.
This
model,
Upgraded-HDT,
has
been
upgraded
in
three
aspects:
selection
of
weighting
method,
combination
weights
simplification
calculation
steps.
The
data
nine
sample
sites
Ganjingzi
district
Dalian
city
2013
were
used
as
case
to
validate
model.
results
Upgraded-HDT
showed
that
all
was
class
III
or
better,
apart
from
site
5,
which
deeply
affected
by
seawater
intrusion
pollutant
seepage.
In
addition,
nemerow
pollution
index
(NPI),
fuzzy
comprehensive
(FCE),
AHP-HDT,
Entropy-HDT,
Game
theory-HDT
compared
analyzed.
although
verifying
importance
expert
experience
evaluating
not
sufficiently
accurate
at
4
6,
while
Entropy-HDT
7,
8
9
overly
optimistic
did
reflect
real
situation
quality.
Hence,
use
single
method
could
accurately
evaluate
water
most
same
AHP-HDT
7
8.
regarding
optimal
weights,
advantages
two
complement
each
other
because
both
take
into
account
subjective
initiative
people
avoid
one-sidedness
method.
Thus,
necessary.
agreed
perfectly,
only
ensured
accuracy
but
also
reduced
computation
HDT
proved
dimensionless
proposed
feasible.
study
can
provide
scientific
basis
for
protection
utilization
local
resources
serve
reference
studies
areas.
Ecological Processes,
Journal Year:
2022,
Volume and Issue:
11(1)
Published: June 15, 2022
Abstract
Background
Shifting
cultivation
is
a
major
agriculture
practice
in
the
Nagaland
state
of
India.
This
study
examines
effect
shifting
and
length
fallow
period
on
soil
quality
index
(SQI).
Four
sites
were
selected
for
study,
viz.,
site
(SCS),
3-year-old
land
(FL-3),
7-year-old
(FL-7),
12-year-old
(FL-12).
Soil
parameters
recorded
seasonally
SQI
was
calculated
from
minimum
data
set.
Results
With
increase
period,
values
conductivity,
organic
carbon,
available
nitrogen,
phosphorus,
exchangeable
potassium,
moisture,
clay,
cation
exchange
capacity
increased.
Meanwhile,
pH
bulk
density
decreased
with
duration.
The
additive
order
SCS
<
FL-3
FL-12
FL-7;
meanwhile,
weighted
w
FL-7
FL-12.
It
also
observed
that
value
decreases
depth
under
both
indexes.
lowest
reflects
reduced
carbon
(SOC)
macronutrients.
Increased
SOC
levels
(2.88–3.94%)
may
be
one
reason
its
higher
value.
Conclusions
Our
highlights
unsustainable
practices
reduction
negatively
affect
quality.
Furthermore,
recommends
use
method
as
it
agrees
reports
causing
alteration
findings
utilized
to
quickly
access
disseminate
information
stakeholders
aid
constructing
local
maps
region.
There
an
urgent
need
rapid,
cost
resource-efficient
assessment
tool
achieves
this
goal.
Soil Research,
Journal Year:
2025,
Volume and Issue:
63(2)
Published: March 19, 2025
Context
Soil
management
in
forest
sites
is
crucial
for
ensuring
an
adequate
physical
environment
growth
and
development.
Aims
This
study
aimed
to
test
if
chiselling
improves
soil
conditions,
fine
root
growth,
height
stem
diameter
of
Pinus
taeda
L.
southern
Brazil.
Methods
The
experimental
design
used
randomised
blocks
with
three
tillage
methods:
no-tillage/control,
handmade
pit,
mechanical
subsoiling.
Parameters
evaluated
included
tree
height,
diameter,
estimated
volume
at
12
24
months
after
planting.
chemical
properties,
along
traits
such
as
length
density
(RLD)
(FRD),
were
analysed
when
the
trees
old.
Key
results
properties
unaffected
by
method,
but
significant
differences
observed.
Subsoiling
provided
best
environment,
lower
bulk
penetration
resistance.
Roots
concentrated
surface
layer
(0.00–0.05
m),
average
41%
RLD
37%
FRD
across
all
treatments.
Conclusions
greatest
volume.
Therefore,
subsoiling
was
most
effective
method
P.
development
on
a
clayey
Oxisol
under
subtropical
environment.
Implications
Our
can
guide
strategies
plantations,
helping
minimize
environmental
impact
through
proper
understanding
dynamics
roots,
maximizing
production
Pinus.
