International Journal of Applied Sciences & Development,
Год журнала:
2024,
Номер
3, С. 1 - 11
Опубликована: Март 19, 2024
The
fish
species
caught
in
the
inland
fishery
of
Basrah
were
recorded
from
seven
landing
sites
between
January
and
December
2022.
A
total
14
types
four
families
identified
this
fishery.
most
commonly
exotic
such
as
Cyprinus
carpio
tilapia
species.
In
contrast,
landings
significant
native
freshwater
that
are
characteristic
Mesopotamian
aquatic
environments,
Carasobarbus
luteus,
Mesopotamichthys
sharpeyi,
Luciobarbus
xanthopterus,
Arabibarbus
grypus,
dropped
considerably.
has
been
steadily
increasing
since
2009,
indicating
a
positive
trend
overall
landing.
This
growth
may
be
attributed
to
expansion
fishing
activities
prevalence
due
degradation
water
ecosystem
Southern
Iraq.
From
fisheries
management
viewpoint,
it
is
essential
maintain
stocks
ecosystems
southern
Iraq
involving
regional
cooperation
Iraq,
Turkey
Iran
secure
appropriate
quantities
for
upper
Tigris
Euphrates
Rivers,
strengthening
economically
by
artificially
propagating
them
then
releasing
juvenile
into
natural
waters,
restrict
reproduction
carps
confining
farms,
finally
minimizing
impacts
intensifying
activities.
Climate,
Год журнала:
2023,
Номер
11(3), С. 66 - 66
Опубликована: Март 13, 2023
A
one-dimensional
hydraulic
HEC-RAS
model
was
developed
to
forecast
the
change
in
salinity
tributaries
of
Co
Chien
and
Hau
Rivers
Tra
Vinh
province,
Vietnam.
The
boundary
data
includes
river
discharge
at
Can
Tho
My
Thuan,
water
levels,
coastal
monitoring
stations.
Six
stations
along
River
were
selected
study
changes.
Four
scenarios
for
period
2020–2050
selected,
including
SLR17,
SLR22,
SLR26L,
SLR26H,
corresponding
sea
level
rise
(17,
22,
26
cm)
upstream
decrease
(in
ranges
100–128%
80–117%
respectively)
dry
season
based
on
new
climate
Vietnam
previous
studies.
results
highlight
that
when
average
Thuan
reduces,
increases
more
significantly
than
impact
rise.
Salinity
province
is
projected
increase
within
4–21%
3–29%
River,
respectively.
In
addition,
seen
affect
distribution
into
River.
It
suggests
an
urgent
need
raise
farmers’
awareness
adaptation,
investment
production
equipment,
appropriate
regulation
riverbed
mining
activities
Mekong
Journal of the Civil Engineering Forum,
Год журнала:
2023,
Номер
unknown, С. 315 - 328
Опубликована: Июль 24, 2023
About
3.1
million
people
use
the
water
from
Progo
River
for
domestic
use,
agriculture,
livestock
and
even
religious
rituals
which
solidifies
importance
of
to
residence.
However,
characteristics
has
not
been
studied
well.
This
paper
aims
understand
main
threat
river.
To
achieve
those
objectives,
a
SWOT
analysis
was
used
particularly
in
three
segments
Basin,
is
upstream,
midstream,
downstream
reach.
The
upstream
segment
basin
slope
more
than
25%,
middle
8-25%,
downsteam
less
8%.
would
be
based
on
desk
study,
hydrological
analysis,
quality
field
observation.
characterized
by
high
land
erosion
rate,
steep
slope,
presence
Umbul
Jumprit,
holy
site
Buddhism.
midstream
very
close
residence
area
reduces
Furthermore,
some
scouring
issues
flooding
risk
have
become
concern
this
area.
crossed
several
bridges
national
roads
while
also
having
gravel
mining
activity.
activity
causes
massive
problem
structures.
It
clear
that
Basin
volcanic
human
activities.
For
starter,
government
should
prioritize
revitalization
act
great
impact
areas.
Because
resources
management
perspective
never
done
these
findings
can
served
as
foundation
integrated
basin.
AQUA - Water Infrastructure Ecosystems and Society,
Год журнала:
2023,
Номер
72(12), С. 2446 - 2471
Опубликована: Ноя. 20, 2023
Abstract
Water
pollution
is
a
globally
significant
issue.
environment
simulation
an
important
tool
to
study
water
pollution.
In
order
investigate
the
impact
of
hydrological
periods,
quality
indicators
and
cross-sections
on
capacity,
we
took
Luo
River
in
Luoyang
City
as
example,
used
MIKE21-coupled
hydrodynamic
model
segmentation
method
calculate
capacity
COD,
TP,
NH3-N
wet,
normal,
dry
periods
under
L1
(Gao
Yazhai-Lilou),
L2
(Li
Lou-Baimasi),
L3
(Baimasi-G207
Highway
Bridge)
section.
The
results
showed
that
from
period,
environmental
was
largest
wet
period
due
dilution
effect
caused
by
higher
precipitation;
indexes,
COD
concentration
industrial
pollution,
but
degradation
coefficients
result
for
COD;
cross-section,
has
longest
channel,
thus
highest
L1.
This
can
broaden
ideas
application
MIKE21
model,
provide
basis
calculation
dynamic
control
river.
