Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: July 5, 2023
The
pressure
for
food
production
has
expanded
agriculture
frontiers
worldwide,
posing
a
threat
to
water
resources.
For
instance,
placing
crop
systems
over
hydromorphic
soils
(HS),
have
direct
impact
on
groundwater
and
influence
the
recharge
of
riverine
ecosystems.
Environmental
regulations
improved
past
decades,
but
it
is
difficult
detect
protect
these
soils.
To
overcome
this
issue,
we
applied
temporal
remote
sensing
strategy
generate
synthetic
soil
image
(SYSI)
associated
with
random
forest
(RF)
map
HS
in
an
735,953.8
km2
area
Brazil.
presented
different
spectral
patterns
from
other
soils,
allowing
detection
by
satellite
sensors.
Slope
SYSI
contributed
most
prediction
model
using
RF
cross
validation
(accuracy
0.92).
assessments
showed
that
14.5%
study
represented
HS,
mostly
located
inside
agricultural
areas.
Soybean
pasture
areas
had
up
14.9%
while
sugar
cane
just
3%.
Here
present
advanced
technique
may
improve
identification
under
assist
public
policies
their
conservation.
Ecological Applications,
Journal Year:
2021,
Volume and Issue:
31(7)
Published: July 14, 2021
Ensuring
a
sufficient
and
adequate
supply
of
water
for
humans
ecosystems
is
pressing
environmental
challenge.
The
expansion
agricultural
urban
lands
has
jeopardized
watershed
ecosystem
services
changing
climate
poses
additional
risks
regional
supply.
We
used
stream
quality
data
collected
between
2000
2014,
coupled
with
detailed
precipitation
land
cover
information,
to
investigate
the
effects
landscape
composition
short-term
variability
on
resources
in
state
São
Paulo,
Brazil.
home
over
45
million
people
long
history
human
modification.
A
severe
drought
2014-2015
led
major
crisis
highlighted
fragility
system.
found
that
human-dominated
watersheds
had
lower
overall
when
compared
forested
watersheds,
showing
most
detrimental
impacts
quality.
Forest
was
associated
better
across
studied
having
low
turbidity
high
dissolved
oxygen.
High
increased
fecal
coliforms
levels
oxygen
streams
but
these
depended
cover.
diluted
concentrations
nitrogen
solids
highly
urbanized
exacerbated
pasture-dominated
watersheds.
Given
costs
treatment
densely
populated
regions,
there
need
plan
manage
landscapes
order
ensure
resources.
In
tropical
maintaining
or
restoring
native
vegetation
promising
intervention
sustain
Water,
Journal Year:
2022,
Volume and Issue:
14(17), P. 2611 - 2611
Published: Aug. 25, 2022
Understanding
the
spatiotemporal
distributions
and
variation
characteristics
of
water
quality
parameters
is
crucial
for
ecosystem
restoration
management
lakes,
in
particular,
Lake
Qilu
(QL),
a
typical
plateau
shallow
lake
on
Yunnan-Guizhou
Plateau,
southwestern
China.
To
identify
main
causes
harmful
algal
blooming
continuous
decline,
total
phosphorus
(TP),
nitrogen
(TN),
temperature
(WT),
dissolved
oxygen
(DO),
chlorophyll-a
(Chl-a),
pH,
turbidity
hypereutrophic
from
January
2017
to
December
2021
were
analyzed.
The
results
showed
complex
pattern
distribution
variation.
WT
no
significant
change
vertical
profile.
DO
pH
value
variations
caused
by
both
physical
biochemical
processes,
especially
at
bottom
QL
with
an
anaerobic
environment.
Trophic
State
Index
(TSI)
assessment
that
eutrophic
(70.14%
all
samples,
50
<
TSI
70)
(29.86%,
70
TSI)
poor
(WQI
25).
TP
factors
controlling
blooms
(HABs)
based
statistical
analysis
Principal
Component
Analysis
(PCA),
Random
Forest
Model
(RFM),
Correlation
(CA).
In
QL,
loading
reduction
level
increase
might
be
key
strategies
treating
HABs
future.
Based
our
results,
reducing
may
more
effective
than
TN
prevent
highly
eutrophicated
Qilu.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: July 5, 2023
The
pressure
for
food
production
has
expanded
agriculture
frontiers
worldwide,
posing
a
threat
to
water
resources.
For
instance,
placing
crop
systems
over
hydromorphic
soils
(HS),
have
direct
impact
on
groundwater
and
influence
the
recharge
of
riverine
ecosystems.
Environmental
regulations
improved
past
decades,
but
it
is
difficult
detect
protect
these
soils.
To
overcome
this
issue,
we
applied
temporal
remote
sensing
strategy
generate
synthetic
soil
image
(SYSI)
associated
with
random
forest
(RF)
map
HS
in
an
735,953.8
km2
area
Brazil.
presented
different
spectral
patterns
from
other
soils,
allowing
detection
by
satellite
sensors.
Slope
SYSI
contributed
most
prediction
model
using
RF
cross
validation
(accuracy
0.92).
assessments
showed
that
14.5%
study
represented
HS,
mostly
located
inside
agricultural
areas.
Soybean
pasture
areas
had
up
14.9%
while
sugar
cane
just
3%.
Here
present
advanced
technique
may
improve
identification
under
assist
public
policies
their
conservation.
