Eco-Environment & Health,
Journal Year:
2024,
Volume and Issue:
3(3), P. 271 - 280
Published: Feb. 27, 2024
Freshwater
salinization
is
receiving
increasing
global
attention
due
to
its
profound
influence
on
nitrogen
cycling
in
aquatic
ecosystems
and
the
accessibility
of
water
resources.
However,
a
comprehensive
understanding
changes
river
impacts
salinity
arid
semi-arid
regions
China
currently
lacking.
A
meta-analysis
was
first
conducted
based
previous
investigations
found
an
intensification
that
altered
hydrochemical
characteristics.
To
further
analyze
impact
metabolism
processes,
we
evaluated
rivers
with
long-term
gradients
situ
observations.
The
genes
enzymes
were
inhibited
generally
by
salinity,
especially
those
involved
fixation
nitrification,
showed
low
abundances
three
levels.
abundance
denitrification
dissimilatory
nitrate
reduction
ammonium
functions
still
maintained
high
proportion,
for
genes/enzymes
enriched
under
medium
salinity.
Denitrifying
bacteria
exhibited
various
relationships
while
bacterium
(such
as
