Journal of Landscape Ecology,
Journal Year:
2023,
Volume and Issue:
16(3), P. 36 - 53
Published: Dec. 1, 2023
Abstract
Concerns
about
energy
security
and
environmental
risks
have
sparked
interest
in
edible
non-edible
seed
oils
as
potential
renewable
feedstocks
for
biodiesel
production.
A
study
was
conducted
to
investigate
the
population
structure
regeneration
status
of
woody
oil
species
districts
Chobe
Ngamiland.
The
condition
were
studied
20
×
m
(400
2
)
quadrats
spaced
50
apart
along
a
parallel
line
transect.
Data
on
identity
all
species,
number
live
individuals,
diameter
at
breast
height
(DBH)
individuals
with
DBH
>
cm
each
collected
quadrat.
diversity
(
Hʹ
evenness
Jʹ
1.53,
1.42
0.71,
0.85,
0.73
0.51
Parakarungu,
Seronga
Shorobe,
respectively.
Ximenia
caffra
dominant
plant
Shorobe
Seronga,
exhibited
an
inverted
J
-shaped
curve
continuous
classes
distribution.
Trichilia
emetica
only
found
where
it
second
demonstrated
excellent
recruitment
regeneration.
In
Croton
megalobotrys
most
species.
It
had
low
recruitment,
which
likely
due
herbivory
predation
seeds
seedlings.
least
prevalent
Sclerocarya
birrea,
Schinziophyton
rautanenii
Guibourtia
coleosperma
no
representation
intermediate
diameter-classes,
might
be
attributed
selective
removal
these
diameter-classes.
examination
indicated
variations
patterns
diameter-class
distribution,
indicating
differences
dynamics
across
areas.
experienced
hindered
anthropogenic
influences.
Forests,
Journal Year:
2023,
Volume and Issue:
14(10), P. 1931 - 1931
Published: Sept. 22, 2023
Plant
biodiversity
data
are
prerequisites
for
the
sustainable
management
of
a
forest.
We
used
quantitative
ecological
tools
to
determine
species
composition,
diversity
(richness
and
evenness),
population
structure,
distribution
patterns,
regeneration
status
trees
in
Tropical
Moist
Sal
Forest
Eastern
Ghats,
India.
For
this
purpose,
field
inventory
was
conducted
during
2020–2022
sixteen
1.0
ha
forest
stands
along
human-induced
disturbance
gradient.
A
total
161
(61
trees,
40
shrubs,
60
herbs)
belonging
77
families
143
genera
were
recorded
16.0
area.
The
results
revealed
significant
(p
<
0.01)
decrease
tree
shrub
density,
basal
area,
richness,
gradient
disturbance.
However,
case
herbs,
Shannon–Weiner
index
increased
significantly
with
increasing
levels.
Irrespective
types
levels,
diameter
class
(10–30
cm)
accounted
highest
stem
density
mixed
trend
found
area;
>41
cm
constituted
area
Pure
while
10–30
Deciduous
without
Sal.
Tree
richness
higher
lower
classes.
Disturbances
impacted
pattern
trees;
Forest,
contagious
61.54%,
40%,
12.5%
undisturbed,
low-disturbed,
moderately
disturbed
sites,
respectively.
percent
showing
random
regular
level
all
types.
number
having
good
decreased
intensity
Frequent
grazing,
repeated
fires,
poor
soil
seed
banks
at
Moderately
Disturbed
site
main
reasons
poor/no
Pterocarpus
marsupium,
Adina
cordifolia,
Terminalia
bellerica,
some
other
economical
species.
Significant
changes
structural
attributes
community
impact
disturbances
Forests
Ghats.
mosaics
promoted
growth
many
invasive
weed
lianas,
depleting
valuable
This
study
suggests
adaption
conservation
approaches
through
active
participation
tribal
so
that
remnants
Ghats
can
be
controlled
prevent
further
degradation.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: May 10, 2025
Forest
soil
is
crucial
in
climate
change
mitigation,
food
security,
and
biogeochemical
nutrient
cycling.
Mixed
Sal
forests
enhance
organic
matter,
improve
availability,
regulate
pH
dynamics.
However,
anthropogenic
disturbances,
including
deforestation
land-use
changes,
significantly
alter
forest
cover,
leading
to
shifts
physicochemical
microbial
properties.
These
impacts
necessitate
rigorous
monitoring
comprehensive
assessment.
Therefore,
we
investigated
the
effects
of
contrasting
conditions-
closed
(no
human
activities)
open
(human
interferences)
mixed
on
vertical
seasonal
dynamics
biomass
carbon
(SMBC).
Results
revealed
that
had
higher
SMBC
than
across
profile
(D1-D5)
with
a
strong
effect.
Closed
60%
D1
while
it
reduced
depth
17.1
56.7%
subsurface
bottom-most
(D2-D5).
Moreover,
was
monsoon
period
both
forests.
The
by
24.2
45.1%
post-monsoon
reduction
more
intense
pre-monsoon
(48.1
68.2%)
compared
under
Forest.
Similarly,
decline
Forest,
where
declined
12.1
54%
56.1
76.2%
period.
study
indicates
interference
leads
loss
negatively
affecting
microbiological
properties
reducing
fertility,
which
weakens
forest's
resilience
change.
Additionally,
exhibits
variations,
reflecting
responses
environmental
conditions.
results
underline
need
reduce
disturbances
conservation
strategies
ensure
sustainability
ecosystem
stability.
Geocarto International,
Journal Year:
2023,
Volume and Issue:
38(1)
Published: March 18, 2023
Using
the
object-based
image
analysis
(OBIA)
technique,
this
study
examined
structural
characteristics,
quantified
carbon
stocks,
and
identified
tree
species
in
tropical
forests
of
southwestern
Nigeria.
The
Structure
from
Motion
(SfM)
technique
was
used
to
produce
orthomosaics
with
a
ground
sampling
distance
10
m
orthophotos
recorded
during
survey
optimized
for
forest
assessment
near-infrared
band.
In
addition
variables,
GPS
coordinates,
diameter,
crown
were
all
employed
estimate
stock
area.
Carbon
estimates
450
tons
per
hectare
estimated
,
tree-specific
range
65
kg
8,488
tree.
There
correlation
between
canopies
diameters,
but
no
conclusive
relationships
distribution
position
their
natural
formations.
OBIA
significantly
enhanced
current
inventory
provided
spatial
characterization
research
African Journal of Ecology,
Journal Year:
2024,
Volume and Issue:
62(2)
Published: Feb. 1, 2024
Abstract
A
better
understanding
of
the
natural
regeneration
in
tropical
forests
could
help
develop
more
effective
restoration
strategies.
This
study
examined
relationships
structural
and
diversity
attributes
five
forest
fallow
ages
after
slash‐and‐burn
agriculture
(6
months,
2
years,
5
10
15
years)
Republic
Congo.
For
each
age,
all
stems
with
a
diameter
≥1
cm
below
(height
≥
130
cm),
corresponding
to
regeneration,
were
identified
species
level,
measured
(diameter
height)
12
plots
(10
m
×
m).
Three
(stem
density,
maximum
diameter,
indices
(species
richness,
Shannon
diversity,
Simpson
Fisher's
alpha
Pielou's
evenness)
estimated
at
plot
level.
Our
results
revealed
an
increase
ages,
except
stem
density.
The
young
years
had
greater
density
(61
±
48
stems),
while
old
higher
height
(5.39
2.36
m)
Shannon's
index
(0.94
0.18).
These
provided
new
insights
into
between
secondary
forests.
IOP Conference Series Earth and Environmental Science,
Journal Year:
2024,
Volume and Issue:
1425(1), P. 012008 - 012008
Published: Dec. 1, 2024
Abstract
Dipterocarp
species
richness,
floristic
composition,
and
structure
were
studied
in
fifteen
plots
dispersed
across
60
ha
of
Dramaga
Research
Forest
Bogor,
Indonesia.
The
plots,
each
measuring
20m
x
20m,
evaluated
all
woody
four
growth
stages
(trees,
poles,
saplings,
seedlings)
the
understory.
This
study
aimed
to
determine
diversity,
community,
structural
analysis
that
are
important
provide
necessary
information
on
richness
diversity
forest,
vegetation
types
useful
for
forest
management
purposes
help
understanding
ecology
ecosystem
functions.
research
was
conducted
from
February
June
2024.
site
established
1950s,
with
major
composition
being
Dipterocarps.
result
showed
918
individuals
48
23
families.
top
five
families
Dipterocarpaceae,
Meliaceae,
Fabaceae,
Arecaceae,
Calophyllaceae.
Sapling’s
stage
highest
levels
(2.64)
(22.82)
compared
other
stages.
All
recorded
as
having
moderate
levels,
meaning
conditions
tended
have
stability.
finding
similar
dipterocarp
forests
Southeast
Asia,
where
canopy
layer
seasonal
tropical
rainforests
is
mostly
composed
saplings
trees.
results
also
presented
fallen
trees
unwanted
ecotourism
promote
significant
changes
different
current
original
condition
dipterocarps
habitat.
