Environments,
Journal Year:
2024,
Volume and Issue:
11(12), P. 298 - 298
Published: Dec. 21, 2024
In
the
Mediterranean,
urban
and
agricultural
development
has
led
to
degradation
of
coastal
habitats
a
decline
in
wetland
biodiversity.
L’Albufera
de
Valencia
is
paradigmatic
case-study,
with
intensive
rice
fields,
scarcity
natural
aquatic
habitats,
an
unfavorable
conservation
status.
Since
1990s,
restoration
efforts
have
been
made
freshwater
brackish
environments.
this
study,
long-,
medium-,
short-term
dynamics
ecological
functional
traits
were
analyzed
for
waterbird
communities.
We
found
that
these
areas
had
facilitated
establishment
resilient
communities
higher
specialization
diversity
than
rest
protected
area,
including
threatened
species.
Overall,
improved
population
compared
surrounding
hyper-eutrophic
lagoon
fields.
The
findings
reveal
two
complementary
paradoxes
linked
succession.
Initial
affected
small,
pioneer
species
high
value,
while
larger
concern
displaced
them
over
time.
Dynamics
influenced
by
body
mass,
less
competition
Notably,
large
waders
vegetation
gleaners
nesting
restored
wetlands
exhibited
greater
sensitivity
succession,
reversing
regional
declines.
These
highlight
importance
increasing
various
stages
succession
meet
needs
Life,
Journal Year:
2025,
Volume and Issue:
15(5), P. 817 - 817
Published: May 20, 2025
Retrogressive
succession
alters
soil
conditions
and
microbial
community
dynamics
in
cold-region
wetlands,
yet
its
ecological
implications
remain
understudied.
This
study
explored
the
structure
function
of
communities
across
three
successional
stages:
swamp
(SP),
swamped
meadow
(SM),
(MW).
High-throughput
16S
rRNA
gene
sequencing
identified
2852
operational
taxonomic
units
(OTUs),
with
1682
shared
among
all
stages
(58.85%).
Alpha
diversity
indices,
including
Shannon,
Chao,
ACE,
Sobs,
were
significantly
higher
MW,
Shannon
index
increasing
by
approximately
32%
compared
to
SP,
indicating
enhanced
richness
evenness.
In
contrast,
Simpson
Coverage
indices
highest
SP.
Proteobacteria,
Actinobacteriota,
Acidobacteriota
dominant
phyla,
showing
distinct
distributions
stages.
Beta
analysis
(PCoA
NMDS)
revealed
clear
separation
communities.
Soil
organic
carbon
(SOC),
pH,
water
content
(SWC),
cation
exchange
capacity
(CEC),
bulk
density
(BD)
influenced
composition
distribution.
Functional
prediction
using
FAPROTAX
BugBase
indicated
a
shift
from
anaerobic
metabolism,
nitrogen
fixation,
cellulolysis
SP
aerobic
chemoheterotrophy
stress
tolerance
MW.
These
results
demonstrate
that
adapt
changing
environments
during
retrogressive
succession,
highlighting
their
role
ecosystem
resilience
wetlands.
Biodiversity Data Journal,
Journal Year:
2024,
Volume and Issue:
12
Published: Dec. 4, 2024
Small
wetlands
are
essential
for
preserving
global
biodiversity,
yet
they
frequently
neglected
in
conservation
strategies
due
to
vague
definitions
and
a
lack
of
research
attention.
In
this
study,
we
conducted
thirty-six
surveys
via
the
point
count
method
Xiaohongxiang
Wetland,
Anning
City,
Yunnan
Province,
China,
from
November
2023
June
2024.
We
aimed
evaluate
impact
various
habitats
surrounding
Wetland
(wetlands,
villages,
farmlands,
cherry
plantations
pine
forests)
on
taxonomic,
functional
phylogenetic
diversity
avian
species
investigate
significance
these
ecological
restoration
efforts.
A
total
62
were
recorded.
vital
supporting
common
waterbirds,
but
may
not
safeguard
rare
effectively.
While
forests
enhance
near
wetlands,
their
low
could
limit
niches
available
birds.
This
indicates
that
monoculture
might
restrict
habitat
variety
needed
diverse
bird
community.
Our
study
found
no
clear
clustering
or
overdispersion
amongst
across
habitats,
suggesting
community
assembly
is
shaped
by
competitive
exclusion,
filtering
neutral
processes.
Despite
limited
sample
size,
our
results
highlight
gap
between
taxonomic
diversity,
indicating
multidimensional
biodiversity
metrics
thoroughly
evaluating
wetland
impacts
diversity.
African Journal of Biological Sciences,
Journal Year:
2024,
Volume and Issue:
20(1), P. 81 - 95
Published: May 25, 2024
This
work
aims
to
study
the
diverse
migrating
waterbirds
in
New
Valley
area
at
natural
lakes
Dakhla,
Mut
and
artificial
agricultural
wastewater
Kharga
during
period
from
December
2022
April
2023.
focused
on
winter
spring
migration
seasons
32
different
bird
species
were
recorded,
of
which
29
migratory.
The
observed
birds
belong
8
orders
12
families.
largest
group
was
Charadriiformes
order
with
14
species.
Also,
Near
Threatened
Ferruginous
Duck
recorded
Dakhla
relative
abundance
analysis
spotlighted
two
key
little
stint
marsh
sandpiper.
results
shed
light
ecological
importance
shallow
water
zones
comparison
deep
zones,
had
84.4%
total
birds.
is
characterized
by
higher
overall
abundances,
richer
numbers,
a
more
Shannon-Weiner
index,
2.611
pointing
varied
populous
avian
community
compared
Kharga.
While
boasted
greater
diversity
indices,
measurements
both
sites
similarly
suggested
that
evenly
spread
throughout
each
location.
Both
locations
exhibited
substantial
increases
populations
species,
underscoring
valuable
role
habitats
as
resting
waterbirds.