Applied Ecology and Environmental Research,
Год журнала:
2023,
Номер
21(5), С. 4233 - 4254
Опубликована: Янв. 1, 2023
Bahe
river
is
the
secondary
tributary
of
Yarlung
Zangbo
river,
and
largest
Nyang
River
in
China,
for
which
we
analyzed
microbial
diversity,
community
structure
metabolic
function
diversity
surface
sediments
3
cascade
hydropower
stations
upstream
downstream
their
adjacent
tributaries
were
by
high-throughput
sequencing.The
study
has
shown
that
abundance
station
as
follows
S7(downstream
Laozui
Hydropower
Station),
S3(downstream
606
S5(Zhulaqu
tributary),
S4(upstream
Xueka
S1(upstream
S2
(Zimuzhongnongbaqu
tributary)
S6(downstream
Station/upstream
7
sampling
points
lower
than
those
other
areas.The
predominant
bacteria
are
Proteobacteria,
Cyanobacteria,
Frimicutes,
Actinobacteria,
Bacteroides,
etc.The
dominant
Exiguobacterium,
Tychonema_CCAP_1459-11B,
norank_f__unclassified_o__Oxypotobacteria_Incertae_Sedis,
Hyphobacterium,
Sphingorhabdus,
Leptolyngbya_FYG,
Phytobacter,
Pseudoarthrobacter,
Unclassified_f__
Microbacteriaceae.Predominant
varied
significantly
between
samples.Further
total
phosphorus,
temperature
flow
velocity
main
factors
affecting
plateau
rivers.And
effect
also
affects
structure,
functional
genes,
proteins,
enzymes
FAPROTAX
functions
S3
S4.However,
was
failure
S6,
S7.
Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Окт. 5, 2023
Abstract
Investments
in
agricultural
intensification
Sub-Saharan
Africa
aim
to
fulfill
food
and
economic
demands.
However,
the
increased
use
of
fertilizers
pesticides
poses
ecological
risks
water
bodies
catchments.
This
study
focused
on
assessing
impact
nutrient
pesticide
pollution
L.
Naivasha
catchment
Kenya.
The
research
revealed
significant
changes
catchment's
landscape
between
1989
2019,
driven
by
intensified
expansion.
As
a
result,
emissions
have
worsened
lake's
trophic
status,
shifting
it
towards
hypereutrophic
conditions.
found
weak
relationship
total
nitrogen
(TN)
∑DDT,
indicating
that
an
increase
TN
slightly
predicted
reduction
∑DDT.
Analysis
also
showed
potential
phosphorus
(P)
limitation
at
N3
site
(Hippo
Point)
lake.
Additionally,
observed
DDD:DDE
(DDE
+
DDD):DDT
ratios
suggest
recent
banned
DDT
catchment.
concludes
unsustainable
expansion
has
transformed
landscape,
necessitating
adoption
practices
support
quality
management
achieve
UN
Sustainable
Development
Goals.
Applied Ecology and Environmental Research,
Год журнала:
2023,
Номер
21(5), С. 4233 - 4254
Опубликована: Янв. 1, 2023
Bahe
river
is
the
secondary
tributary
of
Yarlung
Zangbo
river,
and
largest
Nyang
River
in
China,
for
which
we
analyzed
microbial
diversity,
community
structure
metabolic
function
diversity
surface
sediments
3
cascade
hydropower
stations
upstream
downstream
their
adjacent
tributaries
were
by
high-throughput
sequencing.The
study
has
shown
that
abundance
station
as
follows
S7(downstream
Laozui
Hydropower
Station),
S3(downstream
606
S5(Zhulaqu
tributary),
S4(upstream
Xueka
S1(upstream
S2
(Zimuzhongnongbaqu
tributary)
S6(downstream
Station/upstream
7
sampling
points
lower
than
those
other
areas.The
predominant
bacteria
are
Proteobacteria,
Cyanobacteria,
Frimicutes,
Actinobacteria,
Bacteroides,
etc.The
dominant
Exiguobacterium,
Tychonema_CCAP_1459-11B,
norank_f__unclassified_o__Oxypotobacteria_Incertae_Sedis,
Hyphobacterium,
Sphingorhabdus,
Leptolyngbya_FYG,
Phytobacter,
Pseudoarthrobacter,
Unclassified_f__
Microbacteriaceae.Predominant
varied
significantly
between
samples.Further
total
phosphorus,
temperature
flow
velocity
main
factors
affecting
plateau
rivers.And
effect
also
affects
structure,
functional
genes,
proteins,
enzymes
FAPROTAX
functions
S3
S4.However,
was
failure
S6,
S7.
