Reuse of agricultural drainage water and wastewater for crop irrigation in southeastern Algeria
Open Geosciences,
Год журнала:
2025,
Номер
17(1)
Опубликована: Янв. 1, 2025
Abstract
Water
resources
are
regarded
as
the
primary
impediment
to
proper
human
development
in
arid
and
desert
regions,
situation
has
been
exacerbated
by
current
climate
change.
The
same
phenomenon
can
be
observed
Ziban
region
of
Biskra
wilaya,
where
agriculture
consumes
most
water
resources.
It
is
due
increase
size
reclaimed
agricultural
areas
from
year
region’s
urban
centres
expand,
causing
wastewater
discharged
into
sewers
Oued
Djedi.
However,
during
our
field
survey,
we
discovered
that
some
farmers
their
crops
with
drainage
mixed
wastewater.
This
study
aims
determine
how
change
affecting
region,
well
damage
caused
watering
sanitary
water.
A
statistical
analysis
climatic
parameters
(mainly
rainfall)
physiochemical
at
six
sampling
points
Occidental
Zab
was
carried
out.
We
measured
nitrates,
calcium
hardness,
chloride
ions,
chemical
oxygen
demand
(COD)
biochemical
(BOD5).
results
show
a
reduction
total
annual
rainfall
rate,
208.6
mm
1996
19
2017.
As
for
analysis,
following
were
noted:
SO
4
2−
(mg/l)
[545.45–3436.36],
NO
3
−
[0.75–3.94],
BOD5
[10–50],
COD
(mgO
2
/l)
[14.12–72.25],
Cl
[331.33–1692.16],
Ca
2+
[352.68–643.23],
Mg
[120].
emphasises
importance
comprehensive
assessment
agriculture,
particularly
because
use
it
crops,
need
targeted
interventions
mitigate
potential
challenges
associated
damage.
result,
these
findings
help
decision-makers
local
stakeholders
establish
filtration
plants,
improve
farmers’
use,
protect
this
valuable
resource.
Язык: Английский
A Dynamic Perspective on the Coevolution of Urbanization and Ecosystem Services in the Yangtze River Delta: Patterns, Processes, and Implications
Опубликована: Июнь 20, 2024
Rapid
urbanization
has
profoundly
impacted
regional
ecosystem
services.
However,
few
studies
have
comprehensively
examined
the
spatiotemporal
relationship
between
multi-dimensional
processes
and
This
study
investigated
dynamics
of
services
value
(ESV)
in
Yangtze
River
Delta
(YRD)
region,
China,
from
2010
to
2020.
We
measured
levels
two
dimensions:
Urbanization
I
(demographic,
economic,
land
urbanization)
II
(social
cultural
urbanization).
The
ESV
was
quantified
using
equivalent
factor
method.
results
showed
that:
(1)
level
increased
steadily,
while
II,
despite
a
lower
level,
exhibited
faster
growth
rate,
especially
after
2017;
(2)
total
declined,
with
regulating
decreasing
most.
spatial
distribution
significant
heterogeneity;
(3)
had
negative
correlation
ESV,
exerting
greater
impact
than
II;
(4)
eastern
region
dominated
by
high
urbanization-low
clusters,
western
characterized
low
urbanization-high
clusters.
findings
provide
important
implications
for
sustainable
development
can
serve
as
reference
related
other
rapidly
urbanizing
areas
around
world.
Язык: Английский
Dynamic Changes and Driving Force of Ecosystem Services Values Under Land Use/Land Cover Scenarios in Nanning, China
Sustainability,
Год журнала:
2024,
Номер
16(24), С. 10839 - 10839
Опубликована: Дек. 11, 2024
A
comprehensive
understanding
of
the
spatial
and
temporal
patterns
changes
in
ecosystem
services,
along
with
their
driving
factors,
is
crucial
for
managing
ecosystems
effectively
ensuring
sustainable
development
area.
Intense
human
activities
rapid
urbanization
have
led
to
frequent
land
use/cover
changes.
Nanning,
as
a
rapidly
developing
city,
has
received
increasing
attention
its
services.
This
research
assesses
valuation
services
by
employing
equivalent
factor
approach,
utilizing
use
data
from
Nanning
City
spanning
period
2000
2020.
It
analyzes
dynamics
these
identifies
key
drivers
through
application
GeoDetector
model.
The
results
show
following:
(1)
Between
2020,
forests
were
predominant
City.
During
this
period,
significant
type
conversions
occurred,
largest
outflow
arable
inflow
construction
land.
(2)
Over
20
years,
aggregate
value
(ESV)
exhibited
declining
trend,
culminating
net
reduction
USD
1056.8
million.
Forest
ESVs
constituted
proportion
total
value,
exceeding
59%.
Among
individual
ESVs,
hydrological
regulation
climate
collectively
accounting
over
48%
contributing
20.7%
27.7%.
(3)
exhibit
pronounced
differentiation,
higher
values
concentrated
central
regions
lower
peripheral
zones.
Notably,
high-value
zones
are
experiencing
size,
while
low-value
progressively
expanding.
(4)
findings
analysis
indicate
that
soil
organic
matter,
rate,
annual
sunshine,
financial
expenditure,
population
density
primary
determinants
affecting
ESV.
Furthermore,
explanatory
power
influencing
factors
substantially
increased
following
interactive
detection.
provides
scientific
basis
management
strategies
policies
holds
substantial
significance
advancing
regional
development.
Язык: Английский