Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
282, P. 116726 - 116726
Published: July 23, 2024
Acid
rain
and
invasive
plants
have
quintessential
adverse
impacts
on
terrestrial
ecosystems.
As
an
environmentally
safe
method
for
disposal
of
plants,
we
tested
the
effect
biochar
produced
from
these
in
altering
soil
deterioration
under
acid
as
compared
with
lime.
Given
feedstock
type
properties
response
to
added
biochar,
hypothesized
that
microbial
community
functions
would
respond
differently
charred
rain.
A
pot
experiment
was
conducted
examine
microbiomes
Blackjack
(Biden
Pilosa),
Wedelia
(Wedelia
trilobata),
Bitter
vine
(Mikania
micrantha
Kunth),
or
quicklime
(CaO)
at
a
rate
1
%
(w/w)
Like
pH,
nutrient
contents
(nitrogen,
phosphorus,
potassium),
calcium,
cation
exchange
capacity
(CEC)
were
important
dominant
edaphic
factors
affecting
functionality.
In
this
respect,
lime
decreased
nutrients
availability,
driven
by
11-fold,
44
%,
2-fold
increments
calcium
content,
C/N
ratio.
Meanwhile,
improved
availability
owing
maintaining
neutral
pH
(∼6.5),
increasing
(by
only
2-fold),
improving
CEC,
water
repellency,
aggregation
while
decreasing
ratio
aluminum
content.
Unlike
relative
abundance
Nitrosomonadaceae
(the
ammonia-oxidizing
bacteria)
augmenting
some
fungal
pathogens
such
Spizellomycetaceae
Sporormiaceae.
highest
nitrogen
dissolved
organic
carbon
content
than
other
types,
Wedelia-biochar
resulted
greatest
Nitrosomonadaceae;
thus,
biomasses
maximized.
This
study
outlined
responses
biogeochemical
related
structure
functionality
suggests
can
replace
ameliorate
effects
physical,
chemical
biological
properties.
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
165, P. 112199 - 112199
Published: June 12, 2024
Leaf
functional
traits
(LFTs)
are
highly
plastic
and
essential
to
plant
resource
acquisition
utilization.
However,
the
collinearity
of
environmental
factors
differences
in
response
distinct
types
generate
challenges
clarifying
contributions
environment
variables
LFTs.
This
study
selected
28
species
from
four
forests
northern
China
with
similar
mean
annual
precipitation
(MAP)
explore
how
other
dissimilar
influence
LFTs
after
controlling
for
most
influential
factor.
Specifically,
we
examined
effect
geographical
(latitude,
longitude,
altitude)
non-precipitation
(mean
temperature
(MAT),
aridity
index
(AI),
soil
pH)
on
leaf
dry
matter
content
(LDMC),
carbon
(LCC),
nitrogen
(LNC),
phosphorus
(LPC)
concentration,
pH.
The
can
be
attributed
regulation
moisture
by
factors.
Therefore,
remaining
geo-environmental
still
played
a
significant
role
LFT
variation
excluding
factor,
which
assist
maintain
original
pattern
change
across
gradient.
As
latitude,
AI
decreased,
MAT
increased,
LCC
LPC
LNC
first
then
LDMC
pH
did
not
significantly.
trends
intensity
varied
between
types.
Significant
correlation
were
observed
LPC-to-LDMC
LPC-to-LNC
all
regions
each
species.
Trait-trait
relationships
inconsistent
life
forms
(herbs
woody
plants)
pH-to-nutrient
concentration
(C,
N,
P),
LCC-to-LPC,
LCC-to-LDMC.
Environmental
larger
contributors
(especially
LNC,
LPC,
LDMC)
than
(PFTs),
while
largely
dependent
PFTs.
These
patterns
result
adaptations
multiple
variables,
single
factor
(even
core
element
that
generated
such
as
MAP)
cannot
dominant
geographic
among
sheds
light
adaptation
strategies
change,
deepening
our
understanding
ecosystem
function
coordination.
Forests,
Journal Year:
2025,
Volume and Issue:
16(2), P. 282 - 282
Published: Feb. 6, 2025
Soil
aggregate
stability
plays
a
pivotal
role
in
ecosystem
functioning
and
carbon
sequestration.
Nitrogen
deposition
influences
drives
differential
responses
AM
ECM
fungi,
yet
the
underlying
mechanisms
remain
unclear.
This
study
aimed
to
determine
how
N
addition
soil
aggregation,
mycorrhizal
morphological
characteristics,
organic
(SOC)
across
two
types.
A
temperate
forest
experiment
was
conducted
northeastern
China
using
12
plots
subjected
four
treatments
(control,
low,
medium,
high).
properties,
traits,
distributions
were
quantified.
Relationships
examined
via
correlation
analyses,
random
models,
structural
equation
modeling.
enrichment
substantially
increased
SOC
water
content,
enhancing
proportion
of
large
aggregates
(4–8
mm)
elevating
mean
weight
diameter
(MWD)
geometric
(GMD),
critical
indicators
stability.
fungi
exhibited
stronger
response
than
ECM,
reflected
greater
hyphal
development
accumulation.
content
correlated
positively
with
stability,
whereas
pH
showed
negative
association.
inputs
enhance
by
promoting
retention,
demonstrating
heightened
sensitivity
addition.
These
findings
emphasize
integral
dynamics
shaping
stabilization
under
increasing
deposition.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: Feb. 19, 2024
In
dry
deciduous
tropical
forests,
both
seasons
(winter
and
summer)
offer
habitats
that
are
essential
ecologically.
How
these
seasonal
changes
affect
soil
properties
microbial
communities
is
not
yet
fully
understood.
This
study
aimed
to
investigate
the
influence
of
fluctuations
on
characteristics
populations.
The
moisture
content
dramatically
increases
in
summer.
However,
pH
only
gradually
shifts
from
acidic
slightly
neutral.
During
summer,
electrical
conductivity
(EC)
values
range
0.62
1.03
ds
m
-1
,
contrast
their
decline
winter.
levels
macronutrients
micronutrients
increase
during
as
does
quantity
organic
carbon
(SOC).
A
two-way
ANOVA
analysis
reveals
limited
impacts
specific
geographic
locations
amounts
accessible
nitrogen
(N)
phosphorus
(P).
Moreover,
dehydrogenase,
nitrate
reductase,
urease
activities
rise
while
chitinase,
protease,
acid
phosphatase
more
pronounced
microbes
were
identified
through
16S
rRNA
ITS
(Internal
Transcribed
Spacer)
gene
sequencing.
Results
revealed
Proteobacteria
Ascomycota
predominant
bacterial
fungal
phyla.
Bacillus,
Pseudomonas
Burkholderia
dominant
genera,
Aspergillus,
Alternaria,
Trichoderma
genera
forest
samples.
Dominant
may
play
a
role
ecosystem
services
such
health
management
nutrient
cycling.
seasons,
clear
relationships
exist
between
properties,
including
pH,
moisture,
iron
(Fe),
zinc
(Zn),
diversity.
Enzymatic
shift
relate
positively
with
parameters.
highlights
robust
soil-microbial
interactions
persist
mainly
top
layers
forests
summer
winter
seasons.
It
provides
insights
into
responses
changes,
advancing
our
understanding
dynamics
biodiversity
preservation.
Forests,
Journal Year:
2025,
Volume and Issue:
16(1), P. 138 - 138
Published: Jan. 14, 2025
Moss–cyanobacteria
associations
serve
as
significant
nitrogen
fixers
and
represent
the
primary
sink
in
boreal
forests.
Fungi,
which
are
essential
for
soil
biogeochemical
cycling,
have
community
structures
intrinsically
linked
to
forest
ecosystem
health
productivity.
Using
high-throughput
sequencing,
we
investigated
differences
between
moss-covered
non-moss
soils
two
alpine
forests
(both
plantation
natural
forests)
by
examining
contents,
fungal
structure,
composition,
functional
guilds.
Results
demonstrated
that
moss
cover
enhanced
nutrient
including
total
carbon,
nitrogen,
inorganic
nitrogen.
It
also
altered
characteristics,
resulting
higher
Chao1
Shannon
diversity
indices,
well
a
more
complex
network.
Notable
changes
guilds
included
an
increase
saprotrophic
fungi
abundance
decrease
ectomycorrhizal
fungi.
Our
findings
support
concept
creates
distinct
environments:
attract
decomposers
nutrient-mobilizing
(particularly
saprotrophs
ectomycorrhiza),
while
favor
relieve
limitation
through
extensional
mycelial
networks.
These
highlight
critical
role
of
sustaining
resilience,
positioning
it
cornerstone
carbon
cycling
within
ecosystems.
