The
impact
of
the
pandemic
caused
by
COVID-19
on
urban
pollution
in
our
cities
is
a
proven
fact,
although
its
mechanisms
are
not
known
great
detail.
change
mobility
patterns
due
to
restrictions
imposed
population
during
lockdown
phenomenon
that
can
be
parameterized
and
studied
from
perspective
spatial
analysis.
This
study
proposes
an
analysis
guiding
parameters
these
changes
To
do
so,
case
city
Cartagena,
medium-sized
Spain,
has
been
analyzed
throughout
period
COVID-19.
By
means
geostatistical
analysis,
modal
distribution
transport
have
correlated
with
evolution
environmental
air
quality
indicators
city.
results
show
despite
positive
effect
beginnings
mobility,
generated
behavior
current
users
favor
most
polluting
modes
travel
cities.
Urbanization, sustainability and society.,
Год журнала:
2025,
Номер
2(1), С. 153 - 177
Опубликована: Март 5, 2025
Purpose
Urbanization
in
Sub-Saharan
Africa
(SSA)
has
seen
rapid
growth
recent
decades,
resulting
significant
changes
to
the
region’s
landscape
and
ecosystems,
including
wetlands.
This
study
aims
examine
causes
effects
of
urbanization
on
lays
down
need
intervene
protect
restore
wetlands
SSA.
Design/methodology/approach
The
methodology
used
was
a
systematic
literature
review,
supported
by
VOSviewer
software
preferred
reporting
items
for
reviews
criteria,
with
data
analyzed
using
abductive
reasoning
content
analysis.
Findings
found
that
complex
web
factors
reflecting
regional
global
trends
propels
Africa.
is
driven
population
growth,
economic
development,
infrastructure
development
migration,
leading
ecosystems.
key
include
biodiversity
loss,
flooding
altered
hydrology,
water
quality
degradation
loss
livelihood.
identifies
sprawling
urbanization,
densification,
informal
settlement,
fragmented
planned
urban
expansion
as
patterns
affecting
Practical
implications
offers
practical
recommendations
policymakers,
planners
local
communities
ensure
long-term
sustainability
while
conserving
wetland
ecosystems
Thus,
there
continued
cooperation,
technology
discovery
sharing,
cooperative
research
funding
initiatives
community.
It
also
commends
implementing
green
infrastructure,
like
artificial
wetlands,
mitigate
adverse
environmental
promote
sustainable
development.
Originality/value
visualization
uncover
structural
frontiers,
focusing
conservation
context
areas
SSA,
where
adds
degradation.
Water,
Год журнала:
2025,
Номер
17(6), С. 817 - 817
Опубликована: Март 12, 2025
Cities
in
plain
areas
have
small
slopes
at
the
bottoms
of
rivers,
with
weak
hydrodynamics,
heavy
pollution
and
poor
self-purification
capacities
for
restoration
biological
habitats.
Hydrodynamic
water
quality
improvements
are
effective
means
ecological
urban
rivers.
The
potential
fish
habitat
resilience
a
typical
river
network
(more
than
130
sections)
Dianbei
part
China
was
studied.
tolerant
fish,
Carassius
auratus
(C.
auratus),
sensitive
fishes
Trachidermus
fasciatus
(T.
fasciatus)
Anguilla
japonica
(A.
japonica),
were
selected
as
protection
targets,
hydrodynamic
factors,
morphology
factors
chosen
environmental
indicators.
With
suitability
index,
evaluation
model
established.
response
index
(HRPI)
to
regulation
subsequently
analyzed,
HRPI
indicated
an
increased
its
value
increasing
from
0
1.
Overall,
species
greater
that
Dianbei.
For
C.
adults
(tolerant
species),
approximately
62.8%
sections
above
0.6
(high
level)
concentrated
northwest
area
network.
While
A.
T.
(sensitive
only
60%
exhibited
moderate
level
(HRPI
>
0.5).
average
dimensionless
(AHRPI)
enhanced
by
diversion
values
10.3%,
9.3%
12.7%
adults,
respectively.
changed
little
during
spawning
period,
which
effect
limited.
This
study
provides
scientific
basis
managers
restore
habitats
areas.
The
impact
of
the
pandemic
caused
by
COVID-19
on
urban
pollution
in
our
cities
is
a
proven
fact,
although
its
mechanisms
are
not
known
great
detail.
change
mobility
patterns
due
to
restrictions
imposed
population
during
lockdown
phenomenon
that
can
be
parameterized
and
studied
from
perspective
spatial
analysis.
This
study
proposes
an
analysis
guiding
parameters
these
changes
To
do
so,
case
city
Cartagena,
medium-sized
Spain,
has
been
analyzed
throughout
period
COVID-19.
By
means
geostatistical
analysis,
modal
distribution
transport
have
correlated
with
evolution
environmental
air
quality
indicators
city.
results
show
despite
positive
effect
beginnings
mobility,
generated
behavior
current
users
favor
most
polluting
modes
travel
cities.
