This
study
assessed
the
growth,
biomass,
and
carbon
storage
potential
of
four
urban
tree
species—Pinus
roxburghii,
Broussonetia
papyrifera,
Jacaranda
mimosifolia,
Eucalyptus
camaldulensis—in
Islamabad's
greenbelts.
Sampling
was
conducted
using
a
quadrat
method,
covering
five
sites
(F-9,
G-8,
H-8,
I-8,
Zero-Point),
with
400
trees
analyzed.
Growth
parameters
such
as
diameter
at
breast
height
(DBH),
height,
aboveground
biomass
(AGB),
density
(ACD),
belowground
(BCD),
basal
area
(BA),
volume
were
measured.
E.
camaldulensis
recorded
highest
AGB
(mean:
2.07
t
ha⁻¹,
range:
0.05–6.54
ha⁻¹),
ACD
971.43
BCD
233.14
along
largest
DBH
47.31
cm)
20.10
m).
B.
papyrifera
showed
significant
potential,
mean
values
373.94
ha⁻¹
89.75
respectively.
In
contrast,
J.
mimosifolia
displayed
lowest
(0.2493
ha⁻¹)
but
considerable
variability,
ranging
from
7.68
to
59.83
cm.
P.
roxburghii
exhibited
moderate
values,
0.45
212.36
ha⁻¹.
Overall,
AGB,
ACD,
across
all
species
0.89
418.73
100.49
respectively,
while
ranged
12.07
154.94
m²
61.84
ha⁻¹).
Statistical
analysis
revealed
positive
correlations
among
DBH,
(p
<
0.05).
The
findings
underscore
most
effective
for
sequestration,
demonstrated
soil
fertility
implications.
Future
research
should
explore
long-term
ecological
impacts
management
strategies
these
in
landscapes.
Energies,
Год журнала:
2024,
Номер
17(20), С. 5093 - 5093
Опубликована: Окт. 14, 2024
Land
use
and
land
cover
change
(LUCC)
significantly
influences
the
dynamics
of
carbon
storage
in
thin
terrestrial
ecosystems.
Investigating
interplay
between
alterations
sequestration
is
crucial
for
refining
regional
configurations,
sustaining
balance,
augmenting
storage.
Using
data
from
Pearl
River
Delta
Urban
Agglomeration
(PRDUA)
2010
to
2020,
this
study
employed
PLUS-InVEST
models
analyze
spatiotemporal
Projections
years
2030,
2040,
2050
were
performed
under
three
distinct
developmental
scenarios,
namely,
natural
development
(ND),
city
priority
(CPD),
ecological
protection
(EPD),
forecast
changes
The
geographic
detector
model
was
leveraged
dissect
determinants
spatial
temporal
variability
storage,
offering
pertinent
recommendations.
results
showed
that
(1)
during
2010–2020,
PRDUA
a
decreasing
trend,
with
total
decrease
9.52
×
106
Mg,
distribution
density
urban
agglomeration
imbalanced
an
overall
trend
increasing
center
periphery.
(2)
Clear
differences
observed
among
scenarios
2030
2050.
Only
EPD
scenario
achieved
increase
1.10
it
greatest
potential
sequestration.
(3)
Among
drivers
evolution
patterns,
population,
normalized
difference
vegetation
index
(NDVI),
distance
railway
had
influence
on
LUCC.
(4)
annual
average
temperature,
rainfall,
GDP
exerted
significant
PRDUA,
interactions
15
predominantly
manifested
as
nonlinear
double-factor
enhancements.
provide
theoretical
basis
future
planning
achieving
neutrality
PRDUA.
Geomechanics and Geophysics for Geo-Energy and Geo-Resources,
Год журнала:
2024,
Номер
10(1)
Опубликована: Ноя. 27, 2024
The
Ilesha
and
Ado-Ekiti
areas
are
characterized
by
extensive
mineral
potentials,
including
both
metallic
non-metallic
resources.
To
detect
the
probable
zones
of
mineralization,
airborne
magnetic
radiometric
data
were
applied
to
map
lineaments
lithological
components.
o
generate
comprehensive
structural
maps,
Centre
for
Exploration
Targeting
(CET)
grid
analysis
tool
was
total
intensity
upward
continued
100
m,
First
Vertical
Derivative
(FVD),
Second
(SVD),
Analytic
Signal
(ASIG),
Tilt
Angle
(TAD),
Total
Horizontal
(THD)
grids.
maps
strongly
correlated
with
each
other
observed
be
polyphase
deformations,
oriented
in
NE–SW,
N–S,
E–W
directions.
dominant
NE–SW
trend
is
related
Ifewara-Zungeru
zone
caused
Pan-African
Orogeny
tectonic
events.
Distinct
mapped
using
anomalies.
A
major
lineament
that
falls
within
potassium-rich
magnetically
concentrated
indicated
possible
igneous
gold
site.
In
general,
have
been
detected
hosts
metallogenic
minerals.
Furthermore,
depth
estimate
involving
Source
Parameter
Imaging
(SPI)
Standard
Euler
Deconvolution
(SED)
thin
sedimentation
(≤
482
m).
All Earth,
Год журнала:
2024,
Номер
36(1), С. 1 - 24
Опубликована: Ноя. 29, 2024
Land
use
and
land
cover
(LULC)
change
reduced
Leopard's
habitat
suitability
caused
a
serious
human-wildlife
conflict.
The
study
aimed
to
analyse
the
impacts
of
LULC
on
Panthera
pardus
its
effects
human
wildlife
conflicts
in
area.
parameters
like
LULC,
slope,
elevation,
settlement,
road
river,
socio-economic
survey
were
considered.
GIS-based
MCE
with
AHP
method
Software
ArcGIS
10.3,
ERDAS
Imagine
2015,
IDRISI
Selva,
Google
Earth
Pro
used
for
data
analysis.
results
revealed
that
grassland,
forestland,
wetland
covers
declined
25.4
km2,
14.8
4.3
km2
led
reduction
highly
suitable
(6
km2)
moderately
(25.6
respectively,
over
period.
Respondents
viewed
Papio
anubis
(40%)
Chlorocebus
pygerythrus
(19.05%)
conflicting
wild
mammals
humans
every
time.
findings
suggest
stakeholders
should
implement
strategies
mitigate
unsustainable
changes.
This
approach
is
essential
preserving
habitats
reducing
Effective
management
practices
be
prioritised
ensure
ecological
balance
enhance
biodiversity
conservation
efforts.
This
study
assessed
the
growth,
biomass,
and
carbon
storage
potential
of
four
urban
tree
species—Pinus
roxburghii,
Broussonetia
papyrifera,
Jacaranda
mimosifolia,
Eucalyptus
camaldulensis—in
Islamabad's
greenbelts.
Sampling
was
conducted
using
a
quadrat
method,
covering
five
sites
(F-9,
G-8,
H-8,
I-8,
Zero-Point),
with
400
trees
analyzed.
Growth
parameters
such
as
diameter
at
breast
height
(DBH),
height,
aboveground
biomass
(AGB),
density
(ACD),
belowground
(BCD),
basal
area
(BA),
volume
were
measured.
E.
camaldulensis
recorded
highest
AGB
(mean:
2.07
t
ha⁻¹,
range:
0.05–6.54
ha⁻¹),
ACD
971.43
BCD
233.14
along
largest
DBH
47.31
cm)
20.10
m).
B.
papyrifera
showed
significant
potential,
mean
values
373.94
ha⁻¹
89.75
respectively.
In
contrast,
J.
mimosifolia
displayed
lowest
(0.2493
ha⁻¹)
but
considerable
variability,
ranging
from
7.68
to
59.83
cm.
P.
roxburghii
exhibited
moderate
values,
0.45
212.36
ha⁻¹.
Overall,
AGB,
ACD,
across
all
species
0.89
418.73
100.49
respectively,
while
ranged
12.07
154.94
m²
61.84
ha⁻¹).
Statistical
analysis
revealed
positive
correlations
among
DBH,
(p
<
0.05).
The
findings
underscore
most
effective
for
sequestration,
demonstrated
soil
fertility
implications.
Future
research
should
explore
long-term
ecological
impacts
management
strategies
these
in
landscapes.
