Diversity,
Journal Year:
2024,
Volume and Issue:
16(11), P. 693 - 693
Published: Nov. 12, 2024
Sediments
of
alpine
lakes
serve
as
crucial
records
that
reveal
the
history
lacustrine
basins,
offering
valuable
insights
into
effects
global
changes.
One
significant
effect
is
variation
in
rainfall
regimes,
which
can
substantially
influence
nutrient
loads
and
sedimentation
rates
ecosystems,
thereby
playing
a
pivotal
role
shaping
biotic
communities.
In
this
study,
we
analyze
subfossil
chironomid
assemblages
within
sediment
core
from
an
lake
(western
Italian
Alps)
to
investigate
flood
regime
variations
over
past
1200
years.
Sediment
characterization
results
highlight
changes
textures
C/N
ratio
values,
indicating
phases
major
material
influx
surrounding
landscape
basin.
These
influxes
are
likely
associated
with
intense
flooding
events
linked
heavy
periods
time.
Flooding
reflected
assemblages,
our
samples
primarily
related
texture
landscape.
Increased
abundances
certain
taxa
(i.e.,
Brillia,
Chaetocladius,
Cricotopus,
Psectrocladius,
Cricotopus/Orthocladius
Parorthocladius)
may
be
higher
organic
matter
vegetation
inputs
Biodiversity
decreased
during
along
profile
due
regimes
extreme
events.
contribute
understanding
system
dynamics,
particularly
those
events,
still
understudied.
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
166, P. 112281 - 112281
Published: June 25, 2024
The
complex
interplay
between
tourism
expansion
and
environmental
conservation
responsibilities
necessitates
the
adoption
of
sustainable
practices
in
aquatic
ecosystems
around
world.
Still,
existing
scholarly
investigations
predominantly
focus
on
dynamics
individual
rivers,
resulting
considerable
gaps
our
comprehension
large
river
network
systems.
To
redress
these
gaps,
this
study
examines
potential
effects
development
sustainability
Yangtze
River
its
tributaries
China.
Furthermore,
it
evaluates
government
support
interventions
aimed
at
strengthening
while
proposing
specific
improvements.
In
2023,
a
comprehensive
survey
involving
982
stakeholders
provided
invaluable
insights
into
multilayered
nexus
sustainability.
We
analyzed
carefully
gathered
data
from
thoughtfully
designed
questionnaire
using
rigorous
reliability
assessments,
correlation
analyses,
regression
techniques.
Cronbach's
alpha
coefficients
ranging
0.83
to
0.95
results,
indicating
robust
reliability.
findings
reveal
positive
correlations
governmental
sustainability,
with
visitor
management
showing
strongest
(r
=
0.66**).
analysis
reveals
that
contribute
both
economic
(R2
0.61
∼
R2
0.77,
ΔR2
16)
0.51
0.62,
11)
Thus,
highlights
importance
intervention
achieving
Therefore,
advocates
coordinated
approach
maximize
policy
formulation
implementation
benefits.
This
provides
actionable
for
researchers,
stakeholders,
policymakers
alike
promote
practices.
Hydrology,
Journal Year:
2025,
Volume and Issue:
12(2), P. 32 - 32
Published: Feb. 13, 2025
The
lakes
known
as
El
Sol
and
La
Luna
are
high
mountain
water
deposits
located
in
Mexico
within
an
inactive
volcanic
system.
These
of
ecological
importance
because
they
unique
Mexico.
However,
currently,
the
have
experienced
changes
their
shape
increase
algae
blooms,
coupled
with
degradation
basin,
which
has
alerted
government
entities
to
need
address
lakes’
problems.
To
environmental
status
Luna,
a
trophic
study
was
conducted
during
period
2021–2023,
including
analysis
influence
climatic
variables,
lake
quality,
eutrophication
conditions.
state
established
based
on
index.
Pearson
correlations
defined
interrelation
between
distinct
factors
influencing
status.
registered
higher
conditions
than
Luna.
identified
seasonal
eutrophic
transitioning
from
oligotrophic
mesotrophic,
showing
levels
chlorophyll,
total
phosphorus,
nitrogen
low
transparency.
principal
altering
were
pollution
variables
(precipitation
ambient
temperature).
Eutrophication
prime
factor
impacting
perimeter
loss
at
Sol,
whereas
it
due
decline
precipitation.
Diversity,
Journal Year:
2024,
Volume and Issue:
16(6), P. 329 - 329
Published: June 3, 2024
High-mountain
lakes
are
freshwater
ecosystems
situated
above
the
tree
line
which
known
for
their
remote
locations
and
limited
accessibility.
These
host
simplified
biotic
communities
primarily
concentrated
in
littoral
zone
dominated
by
benthic
macroinvertebrates
that
serve
as
bioindicators
of
environmental
pressures.
A
two-year
monitoring
investigation
was
performed
July
2022
2023
at
Nero
Lake
(Cesana
Torinese,
Northwest
Italy).
Five
sites
along
lakeshore
were
selected
sampling
physicochemical
water
parameters
macrobenthos.
All
collected
data
analysed
to
compare
trends
across
years
within
specific
sites.
The
results
revealed
exhibited
consistent
macrobenthic
two
studied,
but
significant
differences
observed
its
microhabitats.
This
suggests
substrate
type
strongly
influence
community
composition.
Chironomidae
larvae
Mollusca
dominant
species,
showing
distinct
associations
with
different
substrates
factors
from
one
year
another.
findings
contribute
our
understanding
intricate
relationships
between
environments,
highlighting
necessity
detailed,
small-scale
assessments
comprehend
ecosystem
dynamics
develop
effective
conservation
strategies.
Diversity,
Journal Year:
2024,
Volume and Issue:
16(10), P. 627 - 627
Published: Oct. 10, 2024
Mercury,
a
trace
metal,
is
persistent
environmental
pollutant
that
can
be
detected
even
in
remote
regions,
including
high-mountain
lakes.
This
study
examined
mercury
concentrations
the
sediment
of
two
lakes
French
Pyrenees,
Legunabens
and
Labant
Sediment
samples
were
collected
using
Hon-Kajak
Corer,
measured
following
EPA
7473
method
with
direct
analyzer
(DMA-80).
Mercury
levels
reached
up
to
283
ng
g−1
lake
110
lake,
possibly
linked
mining
history
Ariège
department
atmospheric
deposition
from
distant
sources.
These
findings
indicate
significant
contamination,
ranging
an
8%
42%
probability
generating
adverse
biological
effects
according
Canadian
standards,
approximately
90%
higher
compared
average
other
Pyrenean
Such
contamination
poses
potential
risks
aquatic
life
environment
due
mercury's
toxicity
bioaccumulation
microorganisms.
