Water,
Год журнала:
2024,
Номер
16(16), С. 2287 - 2287
Опубликована: Авг. 13, 2024
Wetlands
are
critical
ecological
infrastructures
that
improve
water
quality,
serve
as
habitat
for
fish
and
other
aquatic
life,
accumulate
floodwaters,
maintain
surface
flow
during
dry
periods.
However,
the
health
of
wetlands
has
been
compromised
by
anthropogenic
activities
affect
constant
supply
ecosystem
services.
This
study
assessed
impact
anthropogenically
modified
land
use
on
wetland
in
Witbank
Dam
Catchment
South
Africa,
whose
severely
agriculture
mining
purposes.
The
developed
a
model
linking
runoff
generated
catchment
with
typology
to
comprehend
diffuse
pollution
from
pollution-source
uses.
Runoff
data
related
spatial
information
were
processed
analysed
Geographic
Information
System
(GIS)
estimate
pollutants
(agricultural
nutrients
acid
mine
drainage)
detained
released
wetlands.
analysis
facilitated
assessment
value
enhancing
well
human
environmental
health.
volume
uses
(urban
areas,
farmlands,
mining)
was
used
evaluate
annual
levels.
Wetland
types
ranked
according
their
efficiency
levels
filter
pollutants.
assumption
is
difference
between
filtered
unfiltered
quantity
polluted
discharged
into
river
system.
shown
85%
ends
up
An
important
observation
although
have
substantial
ability
absorb
excess
pollutants,
they
finite
boundaries.
Once
reach
full
holding
capacity,
can
no
longer
any
further
system,
risking
explains
why
Limpopo
River
heavily
resulting
death
fish,
crocodiles
life.
Journal of Outdoor Recreation and Tourism,
Год журнала:
2023,
Номер
43, С. 100661 - 100661
Опубликована: Июль 27, 2023
There
is
consensus
that
the
risk
of
flooding
increasing
in
many
parts
Africa
and
globally
due
to
climate
variability
change-induced
extreme
weather
events.
Floods
are
often
considered
a
necessity
by
conservation
community
semi-arid
regions
since
they
recharge
important
aquifers
wetlands,
which
critical
areas
for
biodiversity
conservation.
However,
floods
threaten
tourism
infrastructure,
given
their
destructive
nature.
This
study
maps
evaluates
hotspots
19
South
African
national
parks
assesses
flood
occurrence
impact
on
tourism.
A
mixed
methods
approach
was
adopted,
utilising
primary
data
collected
from
interviews,
surveys,
field
observations
secondary
sources.
The
found
most
located
Kruger
National
Park,
with
more
than
nine
Mapungubwe
almost
all
events
linked
Flooding
incidents
these
parks,
devastatingly
impacting
infrastructures,
such
as
camps,
roads,
bridges
heritage
picnic
sites.
Other
concerned
about
include
Wilderness
section
Garden
Route,
Bontebok
Park
isolated
some
Kgalagadi,
Augrabies
Mokala
Parks.
affected
within
pathway
tropical
cyclones.
recommends
engineering,
nature-based
solutions
development
early
warning
systems
manage
risks
parks.
In
view
increased
frequency
intensity
there
need
build
robust
system
reduce
impacts
damage
back
better
greener
after
ensure
resilience.
Ensure
adequate
insurance
cater
r
potential
revenue
losses
where
business
incurred.
hazard
zoning
avoid
infrastructure
establishments.
Frontiers in Environmental Science,
Год журнала:
2024,
Номер
11
Опубликована: Март 7, 2024
Livelihood
status
of
rural
households
is
the
focus
disaster
resettlement
research.
Influenced
by
various
factors,
face
multiple
environmental
and
social
pressures
after
relocation,
study
livelihood
resilience
vulnerability
provides
a
new
framework
for
research
into
livelihoods
relocated
households.
There
has
been
call
more
quantitative
evidence
about
links
between
in
context
resettlement.
This
uses
data
from
sample
657
individuals
relocation
area
Ankang
prefecture
southern
Shaanxi,
China.
The
household
systems
quantified
terms
two
dimensions
general
specific
using
spatial
vector
method
engineering.
IPCC
was
used
to
measure
three
vulnerability:
exposure,
sensitivity,
adaptability,
threshold
regression
model
applied
investigate
impacts
on
vulnerability.
Results
show
that:
(i)
(−0.042)
significantly
lower
than
that
local
(0.091),
while
process
reconstruction
had
certain
degree
risk.
(ii)
there
significant
effect
(iii)
increasing
reduced
households,
marginal
shows
decreasing
trend.
Specific
positive
influence
before
it
exceeds
threshold,
but
disappears
above
resilience.
(iv)
value
(0.5039)
generally
(0.6548),
does
improve
ability
resist
uncertainty
risks.
It
necessary
governments
formulate
targeted
policies
reduce
thereby
promote
sustainable
development.
