Tree Architecture and Structural Complexity in Mountain Forests of the Annapurna Region, Himalaya
Ecology and Evolution,
Год журнала:
2025,
Номер
15(4)
Опубликована: Апрель 1, 2025
ABSTRACT
Mountain
ranges
comprise
heterogeneous
environments
and
high
plant
diversity,
but
little
is
known
about
the
architecture
structural
complexity
of
trees
in
mountain
forests.
We
studied
relationship
between
tree
architecture,
environmental
conditions,
forests
Annapurna
region
Himalaya.
further
asked
whether
how
translates
into
forest
stand
complexity.
The
study
covers
546
on
14
undisturbed
plots
across
wide
elevation
(1300
to
3400
m
asl.)
annual
precipitation
(1180
3600
mm
yr.
−1
).
They
were
assessed
by
ground‐based
mobile
laser
scanning.
found
that
complexity,
expressed
as
box‐dimension
(
D
b
),
was
lowest
for
needle‐leaved
Pinus
wallichiana
highest
broad‐leaved
Daphniphyllum
himalense
.
A
share
variation
explained
architecture.
In
multivariate
models,
height,
crown
radius,
length
more
than
60%
observed
Stem
density
plot
accounted
19%
,
there
no
influence
diversity.
Precipitation
l3%
slope
did
not
have
significant
influences.
As
expected,
height
decreased
with
increasing
elevation,
small
often
had
relatively
values.
standard
deviation
tree‐level
within
a
47%
stand‐level
among
plots,
surpassing
maximum
This
suggests
both
sole
removal
or
large
would
reduce
36%.
conclude
Himalayan
forests,
species
identity
play
role
determining
while
factors
smaller
role.
Furthermore,
plays
crucial
at
level.
Язык: Английский
Understanding acoustic indices as multi-taxa biodiversity and habitat quality indicators
Ecological Indicators,
Год журнала:
2024,
Номер
169, С. 112909 - 112909
Опубликована: Дек. 1, 2024
Язык: Английский
Non-native golden dorado, Salminus brasiliensis (Characiformes: Bryconidae): A threat to biodiversity in the Preguiças River, Northeastern Brazil
Zoologia (Curitiba),
Год журнала:
2025,
Номер
42
Опубликована: Янв. 1, 2025
ABSTRACT
The
emergence
of
non-native
species
as
a
threat
to
local
biodiversity
is
pressing
concern
that
warrants
immediate
attention.
Our
study
reports
the
first
record
fish
golden
dorado,
Salminus
brasiliensis,
for
Preguiças
River
Basin,
Maranhão
State,
Northeastern
Brazil,
near
Parque
Nacional
dos
Lençóis
Maranhenses
(PNLM).
This
discovery
occurred
when
single
adult,
measuring
77
cm
in
total
length,
was
captured
by
artisanal
fishers
using
gillnets
January
2024.
finding
underscores
importance
ongoing
monitoring
efforts
focused
on
ichthyofauna
Basin:
tributaries
lower
portion
basin
are
located
within
and
at
border
PNLM
area.
Such
initiatives
essential
comprehending
distribution
range
S.
brasiliensis
evaluating
its
potential
impacts
native
freshwater
species.
Язык: Английский