A Holistic Catchment‐Scale Framework to Guide Flood and Drought Mitigation Towards Improved Biodiversity Conservation and Human Wellbeing
Wiley Interdisciplinary Reviews Water,
Год журнала:
2025,
Номер
12(1)
Опубликована: Янв. 1, 2025
ABSTRACT
As
climatic
extremity
intensifies,
a
fundamental
rethink
is
needed
to
promote
the
sustainable
use
of
freshwater
resources.
Both
floods
and
droughts,
including
water
scarcity,
are
exacerbating
declines
in
river
biodiversity
ecosystem
services,
with
consequences
for
both
people
nature.
Although
this
global
challenge,
densely
populated
regions
such
as
Europe,
East
Asia
North‐America,
well
most
affected
by
climate
change,
particularly
vulnerable.
To
date
mitigation
measures
have
mainly
focused
on
individual,
local‐scale
targets,
often
neglecting
hydrological
connectivity
within
catchments
interactions
among
hydrology,
biodiversity,
change
human
wellbeing.
A
comprehensive
approach
improve
infiltration,
retention
groundwater
recharge,
thereby
mitigating
impacts
heavy
rainfall
droughts
scarcity.
We
propose
holistic
catchment‐scale
framework
that
combines
conventional
civil
engineering
methods,
nature‐based
solutions
conservation
actions.
This
integrates
legislation,
substantial
funding
governance
structure
transcends
administrative
discipline
boundaries,
enabling
coordinated
actions
across
multiple
spatial
temporal
scales.
It
necessitates
collaboration
local
regional
stakeholders
citizens,
scientists
practitioners.
vision
management
resources
could
synergistic
effects
support
mitigate
functional
ecosystems
deliver
benefits
people.
Язык: Английский
Interstate Dispute on Mahanadi Water: Political Conflicts and Eco-ethical Solutions
Опубликована: Янв. 1, 2025
Язык: Английский
Comparative Analysis of SPEI and WEI+ Indices: Drought and Water Scarcity in the Umbria Region, Central Italy
Hydrology,
Год журнала:
2025,
Номер
12(4), С. 74 - 74
Опубликована: Март 27, 2025
The
purpose
of
this
study
is
to
assess
the
possibility
relating
two
phenomena:
first,
meteorological
drought,
which
exclusively
dependent
on
climate;
second,
water
scarcity
and
its
uses,
are
predominantly
anthropogenic
in
nature.
Sometimes
these
phenomena
may
overlap,
with
former
amplifying
latter,
but
direct
correlation
not
always
highlightable
due
character
shortage
variability
supply
sources.
In
literature,
many
papers
evaluate
separately:
particular,
SPEI
(Standardized
Precipitation-Evapotranspiration
Index)
widely
used
for
detecting
while
link
between
uses
assessed
through
an
index
resource
exploitation,
WEI+
(Water
Exploitation
Index
Plus),
based
calculation
factor,
withdrawals
net
restitutions.
Specifically,
examines
WEI+,
respectively,
calculated
July–August–September
quarter
(SPEI3
sept)
during
low-flow
period
(WEI+EF
low
flow),
according
environmental
flow
constraint.
These
periods
considered
seasonally
overlapping
area
Umbria
region.
results
analyzed
by
spatial
method
show
more
critical
areas,
where
SPEI3
sept
WEI+EF
overlap
their
values,
<−1.0
>100%.
proposed
methodological
approach
provides
stakeholders
sector
essential
information
adopt
a
proactive
drought
phenomena.
Язык: Английский
Human impacts mediate freshwater invertebrate community responses to and recovery from drought
Journal of Applied Ecology,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 9, 2024
Abstract
Drought
is
an
increasing
risk
to
the
biodiversity
within
rivers—ecosystems
which
are
already
impacted
by
human
activities.
However,
long‐term
spatially
replicated
studies
needed
generate
understanding
of
how
anthropogenic
stressors
alter
ecological
responses
drought
lacking.
We
studied
aquatic
invertebrate
communities
in
2500
samples
collected
from
179
sites
on
rivers
emerging
England's
chalk
aquifer
over
three
decades.
tested
two
sets
alternative
hypotheses
describing
and
recovery
interaction
with
impacts
affecting
water
quality,
fine
sediment,
temperature,
channel
morphology,
flow
temporal
change
land
use.
summarized
using
taxa
richness,
index
indicating
tolerance
degradation
(average
score
per
taxon,
ASPT)
deviation
average
composition.
Responses
were
altered
interactions
impacts.
Poor
quality
exacerbated
drought‐driven
reductions
richness.
Drought‐driven
deviations
community
composition
reduced
enhanced
at
augmentation
(e.g.
effluent
releases)
reduction
abstraction),
respectively.
Human
post‐drought
recovery.
Increases
richness
lower
abstraction
higher
augmented
flows,
particular
as
trajectories
extended
beyond
3
years.
ASPT
recovered
faster
that
gained
woodland
compared
urban
land,
due
their
greater
potential,
is,
minimum
values
maximum
values.
Synthesis
applications
.
show
river
ecosystems
exposed
impacts—in
poor
volumes
use
change—are
particularly
vulnerable
drought.
These
results
provide
evidence
management
actions
taken
enhance
regulate
restore
riparian
could
promote
resilience
groundwater‐dominated
such
globally
rare
streams
other
Anthropocene,
they
adapt
a
future
characterized
climatic
extremity.
Язык: Английский
Temporal Changes in Freshwater Invertebrate Communities During the Drying Phase of a Newly Intermittent River in Central Italy
Environments,
Год журнала:
2024,
Номер
11(12), С. 295 - 295
Опубликована: Дек. 20, 2024
The
transition
from
a
perennial
to
an
intermittent
regime
in
newly
rivers
(nIRs)
negatively
affects
both
taxonomic
and
functional
diversity,
with
significant
repercussions
on
freshwater
ecosystem
processes
services.
However,
better
understand
how
changes
the
natural
flow
may
influence
structure
functioning
of
ecosystems,
it
is
fundamental
assess
variations
abiotic
biotic
parameters
throughout
hydrological
phases
characterizing
nIRs.
For
these
reasons,
we
evaluated
temporal
community
composition
during
drying
phase
Central
Apennines
stream
(Italy)
over
two
consecutive
drought
years.
We
demonstrated
that
different
pre-drought
profoundly
affected
communities.
reduced
discharge
low-flow
conditions
2024
led
insect-
non-insect-dominated
communities,
small-sized,
lentic-adapted
generalist
taxa
replacing
rheophile
more
sensitive
insect
taxa.
also
found
marked
interannual
differences
beta
diversity.
years,
richness
did
not
exhibit
negative
stepped
response
pattern
sequence
channel
contraction,
cessation
pools
formation.
Consequently,
can
assume
Apennine
rivers,
communities
strictly
dependent
local
variable
context.
This
study
emphasizes
need
for
further
investigation
ecological
impacts
increasing
intermittence
formerly
streams
rivers.
Язык: Английский