Animals,
Год журнала:
2023,
Номер
13(23), С. 3633 - 3633
Опубликована: Ноя. 23, 2023
Northward
expansions
of
bird
distributions
have
been
commonly
observed
in
the
Northern
Hemisphere,
likely
as
a
result
climate
change.
The
causes
and
ecological
impacts
such
range
shifts
received
extensive
attention,
but
studies
on
process
are
still
relatively
scarce.
Brownish-flanked
Bush
Warbler
(Horornis
fortipes)
has
expanded
northward
from
35°
N
to
40°
during
past
decade.
In
this
study,
we
collated
77
records
species
beyond
its
traditional
distribution
ten
years
citizen
science
data.
Most
new
were
northeast
distribution,
including
North
China
Plain,
Taihang
Mountains,
Taishan
Mountain,
few
northern
margin
Qinling
Mountains
Qinghai-Tibet
Plateau.
We
concluded
that
bred
area
at
least
six
sites.
newly
established
populations
assumed
belong
subspecies
H.
f.
davidianus,
which
can
be
divided
into
eastern
western
dialect
groups
based
differences
songs.
Song
recordings
10
males
Beijing
adjacent
areas
collected.
Bayesian
analysis
acoustic
traits
indicated
these
most
area,
with
posterior
probability
99.975%.
Combining
topographical
data
habitat
preference
species,
inferred
individuals
spread
northeastward
further
along
Yanshan
Mountains.
This
study
is
case
expansion
reflects
dynamics
early
stage
expansion.
Ecological Informatics,
Год журнала:
2024,
Номер
82, С. 102694 - 102694
Опубликована: Июнь 18, 2024
Anthropogenic
activities
and
climate
change
have
caused
physical
ecological
changes
in
lakes
aggravated
water
level
fluctuations,
which
are
essential
factors
to
consider
for
nutrient
import,
protection,
biodiversity
maintenance.
Maintaining
levels
within
a
reasonable
range
is
maintaining
lake
function
health,
because
ecosystem
stability
compromised
when
fluctuations
exceed
specific
thresholds.
Thus,
the
(EWL)
an
important
index
aquatic
habitats
biodiversity.
A
method
quantifying
EWL
of
based
on
hydrological
statistical
analysis
was
constructed
bridge
gaps
existing
studies,
considering
both
alteration
spatio-temporal
heterogeneity
fluctuations.
Taking
Poyang
Lake
as
example,
has
recently
attracted
increasing
global
attention
owing
its
alterations
subsequent
problems,
applicability
rationality
results
were
verified.
The
indicate
that
occurs
at
representative
stations,
jointly
affected
by
anthropogenic
this
region.
For
instance,
construction
operation
Three
Gorges
Project
Hukou
Xingzi
station,
drought
further
station.
calculated
showed
obvious
heterogeneity,
consistent
with
topographic,
geographical,
climatic
characteristics
basin.
And
study
verified
through
literature
reviews
satisfiability
characteristic
species
requirements.
proposed
calculation
simple
feasible
easy
data
acquisition,
strong
universality,
broad
application
prospects,
offering
scientific
basis
quantitative
reference
resource
management
protection.
Land,
Год журнала:
2025,
Номер
14(1), С. 104 - 104
Опубликована: Янв. 7, 2025
In
September
2024,
following
two
rare
storms,
Lake
Iriqui
in
southern
Morocco
experienced
a
remarkable
revival
after
five
decades
of
desiccation.
Historically,
the
lake
played
an
important
role
as
one
largest
water
bodies
before
Sahara
Desert,
serving
critical
stopover
migratory
routes
for
various
bird
species.
Two
field
missions
documented
this
event:
first
confirmed
lake’s
reappearance,
while
second
recorded
resurgence
ecosystem
and
return
birds,
last
observed
1968.
The
surface
extent,
which
had
been
completely
dry,
expanded
dramatically,
reaching
over
80
km2
storm
subsequently
increasing
to
approximately
146
second.
This
event
has
drawn
considerable
attention
from
international
national
media.
was
monitored
using
satellite
imagery
Landsat
8
9
Sentinel-2A,
processed
through
Google
Earth
Engine
(GEE),
with
Normalized
Difference
Water
Index
(NDWI)
applied
detect
presence.
A
time-series
analysis
revealed
significant
changes
extent
rainfall.
study
emphasizes
need
proactive
support
preserve
Iriqui,
aligning
sustainable
development
goals:
SDG
15
(Life
on
Land)
(Decent
Work
Economic
Growth).
These
goals
highlight
importance
resource
management,
biodiversity
conservation,
eco-tourism
initiatives
benefit
local
communities.
ABSTRACT
With
global
biodiversity
in
decline,
functional
metrics
help
link
changes
to
ecosystem
functioning.
In
wetlands,
extreme
events
like
droughts
and
floods
challenge
waterbirds,
affecting
survival
reproduction.
At
Pampean
lakes
Argentina,
hydrological
fluctuations
are
significant.
We
examined
how
waterbird
diversity
responds
these
at
the
Melincué
Ramsar
Site,
considering
seasonality
whether
environmental
filtering
or
competition
shapes
community
structure.
Using
counts
from
1992
2019,
we
calculated
richness,
evenness,
divergence
dispersion
based
on
species
traits.
employed
general
linear
models
beta
distance
assess
relationships
between
indices
variables,
explore
assembly
patterns.
recorded
71
species.
Functional
richness
decreased
by
nearly
26%
drier
years,
indicating
a
loss
of
trait
under
reduced
conditions.
Evenness
correlated
positively
with
precipitation
negatively
lake
area,
peaking
intermediate
Standardized
Precipitation‐Evapotranspiration
Index
over
12‐month
period
(SPEI
12)
values.
Divergence
increased
but
was
lowest
SPEI
12
values
highest
summer.
Dispersion
peaked
areas,
increasing
summer
decreasing
winter
precipitation.
Trait‐convergence
patterns
(TCAP)
analysis
showed
structure
significantly
changed
marginally
significant
for
not
Maximum
occurred
when
neither
too
high
nor
low
influenced
responses.
These
results
highlight
as
primary
driver
time
underscore
need
incorporate
dynamics
into
wetland
conservation
planning.
Remote Sensing,
Год журнала:
2024,
Номер
16(21), С. 4062 - 4062
Опубликована: Окт. 31, 2024
Ecological
restoration
projects
aim
to
recover
ecosystems
that
have
been
degraded,
damaged,
or
destroyed.
The
effective
assessment
of
these
is
crucial
for
ensuring
goals
are
met
and
guiding
future
efforts.
Poplar
Restoration
Project
(PERP),
focused
on
removing
floodplain
poplar
plantations,
a
key
environmental
initiative
in
China
preserve
the
ecological
functions
services
Dongting
Lake
freshwater
wetland
complex.
Understanding
dynamic
changes
ecosystem
their
trade-offs/synergies
before
after
project
maintained
enhanced.
This
study
selected
three
services,
water
conservation,
carbon
storage,
habitat
quality,
as
indicators
assess
PERP.
Using
Integrated
Valuation
Ecosystem
Services
Trade-offs
(InVEST)
model
geostatistical
methods,
including
Spearman
correlation
analysis
spatial
autocorrelation
analysis,
we
explored
outcomes
project.
results
indicated
since
its
implementation
2014,
PERP
has
significantly
altered
land
use
cover
(LULC)
lake.
Most
former
plantations
converted
into
reedbeds
(17,404
ha),
followed
by
sedgelands
(3841
mudflats
(443
shallow
waters
(382
deep
(301
ha).
During
this
period,
conservation
quality
initially
decreased
then
increased,
while
storage
continuously
declined.
Overall,
all
assessed
showed
an
increasing
trend
except
resulting
slight
decrease
integrated
services.
Moreover,
there
were
strong
bivariate
associations
among
investigated
synergies
strengthened
during
Importantly,
became
positive
PERP,
meaning
improvement
one
service
enhanced
others,
potentially
leading
more
sustainable
resilient
ecosystem.
