PeerJ,
Journal Year:
2024,
Volume and Issue:
12, P. e17627 - e17627
Published: July 5, 2024
Background
The
Minqin
Oasis,
which
is
located
in
Wuwei
City,
Gansu
Province,
China,
faces
a
very
serious
land
desertification
problem,
with
about
94.5%
of
its
total
area
desertified.
Accordingly,
it
crucial
to
implement
ecological
restoration
policies
such
as
cropland
abandonment
this
region.
In
abandoned
croplands,
abiotic
factors
soil
properties
may
become
more
important
than
biotic
driving
vegetation
succession.
However,
the
connections
between
and
succession
remain
unclear.
To
fill
knowledge
gap,
study
investigated
these
explore
major
that
affected
succession,
meaningful
designing
management
measures
restore
degraded
ecosystems.
Methods
This
seven
1–29-year-old
croplands
using
“space
for
time”
method
Oasis.
Vegetation
was
classified
into
different
stages
canonical
correlation
analysis
(CCA)
two-way
indicator
species
(Twinspan).
link
analyzed
CCA.
primary
shaping
community
patterns
were
chosen
by
“Forward
selection”
responses
dominant
generalized
additive
models
(GAMs).
Results
Dominant
turnover
occurred
obviously
after
abandonment.
can
be
three
(
i.e
.,
early,
intermediate,
late
successional
stages)
markedly
composition
diversity.
main
drivers
among
salinity
saturated
water
content
they
had
led
early
stages.
During
development
became
simpler,
diversity
decreased
significantly,
type
regressive
Therefore,
should
adopted
manage
degraded,
croplands.
Proceedings of the National Academy of Sciences,
Journal Year:
2021,
Volume and Issue:
118(49)
Published: Nov. 29, 2021
Significance
Tropical
forests
disappear
rapidly
through
deforestation
but
also
have
the
potential
to
regrow
naturally
a
process
called
secondary
succession.
To
advance
successional
theory,
it
is
essential
understand
how
these
and
their
assembly
vary
across
broad
spatial
scales.
We
do
so
by
synthesizing
continental-scale
patterns
in
succession
using
functional
trait
approach.
show
that
start
pathway
of
varies
with
climatic
water
availability.
In
dry
forests,
driven
drought
tolerance
traits
wet
shade
traits.
Based
on
principles,
we
propose
an
ecologically
sound
strategy
improve
active
forest
restoration.
Global Ecology and Biogeography,
Journal Year:
2024,
Volume and Issue:
33(8)
Published: June 8, 2024
Abstract
Aim
Successional
changes
in
functional
diversity
provide
insights
into
community
assembly
by
indicating
how
species
are
filtered
local
communities
based
on
their
traits.
Here,
we
assess
successional
taxonomic
and
richness,
evenness
redundancy
along
gradients
of
climate,
soil
pH
forest
cover.
Location
Neotropics.
Time
period
Last
0–100
years.
Major
taxa
studied
Trees.
Methods
We
used
22
chronosequence
studies
676
plots
across
the
Neotropics
to
analyse
Hill's
trees,
these
vary
with
continental‐scale
precipitation,
surrounding
Results
Taxonomic
richness
increased,
while
decreased
over
time.
Functional
changed
strongly
when
not
accounting
for
but
more
weakly
after
statistically
that
largely
driven
richness.
Nevertheless,
increases
correcting
may
indicate
environmental
heterogeneity
limiting
similarity
increase
during
succession.
The
taxonomically‐independent
decreases
stronger
filtering
competition
select
dominant
similar
trait
values,
many
rare
traits
added
community.
Such
also
lead
increased
redundancy.
varied
resource
availability
were
harsh,
resource‐poor
environments,
weak
benign,
productive
environments.
Hence,
facilitation
important,
whereas
weaker
abiotic
allows
high
initial
changes.
Main
conclusion
found
succession,
mainly
caused
increasing
number
due
arrival
new
changing
(a)biotic
filters.
Ecological Indicators,
Journal Year:
2023,
Volume and Issue:
156, P. 111118 - 111118
Published: Oct. 23, 2023
The
spectrum
of
species
diversity
(SDi)
can
be
broken
down
into
αSDi
(taxocene
level),
βSDi
(community
and
γSDi
(metacommunity
level).
Species
richness
(S)
Shannon's
index
(H)
are
well-known
SDi
measures.
use
S
as
a
surrogate
for
often
neglects
evenness
(J).
Additionally,
there
is
wide
variety
indicators
SDi.
However,
no
reliable
theoretical
criteria
selecting
the
most
appropriate
despite
undeniable
empirical
usefulness
this
parameter.
This
situation
probably
due
to
analytical
gap
still
existing
between
trophodynamics.
article
contributes
closing
that
by
analyzing
why
single
inconsistent
from
trophodynamic
point
view,
so
an
combining
J,
such
H
or
HB
(Brillouin's
index),
choices
in
context
new
framework
(organic
biophysics
ecosystems,
OBEC)
based
on
classical
links
ecosystem
ecology
thermodynamics.
Exploration
data
reef
fish
surveys
under
stationary
non-stationary
conditions
corroborated
existence
ecological
equivalent
Boltzmann's
constant
(keτ(e))
at
worldwide
scale.
result
substantiates
compressibility
factor
indicator
environmental
impact.
keτ(e)
stablishes
linkage
ecology,
information
theory,
statistical
mechanics
allowed
us
propose
measure
total
negative
entropy
(a.k.a.
syntropy)
per
survey
(SeτT)
easy
calculate
displayed
highly
significant
correlation
with
standing
biomass
(meTs).
According
slope
regression
equation
SeτT,
meTs
large
portion
SeτT
leaks
environment
and/or
captured
numerous
degrees
freedom
independent
biomass.
changing
value
exponent
keτ(e),
even
among
coexisting
taxocenes,
it
would
have
been
impossible
obtain
results
discussed
if
analysis
had
carried
out
level.
establishes
level
empirically
useful
about
key
functional
connections
which
stability
depends
dynamic
multispaces.
summarized
here
careful
selection
intertwining
few
variables,
indicates
importance
developing
models
simple
possible
order
achieve
reliability
necessary
successful
biological
conservation.
Basic and Applied Ecology,
Journal Year:
2022,
Volume and Issue:
64, P. 30 - 44
Published: June 15, 2022
Evaluating
plant
functional
traits
helps
to
understand
how
plants
respond
changing
environmental
conditions
and
resource
availability
associated
with
disturbance
events.
Livestock
production
is
one
of
the
primary
drivers
tropical
forest
loss
degradation.
alter
within
by
grazing,
trampling
nutrient
inputs,
which
in
turn
can
influence
species
composition
species.
Understanding
livestock
along
a
successional
gradient
poorly
understood.
Here,
we
studied
effect
cattle
grazing
fallow
age
on
soil
nutrients
secondary
old-growth
dry
forests.
We
analyzed
most
important
communities
both
present
excluded
plots.
Our
results
showed
effects
traits,
explaining
more
variation
than
grazing.
In
early
succession,
were
water
conservation
(thicker
leaves,
lower
specific
leaf
area),
later
they
linked
sunlight
(larger
height,
higher
area).
The
presence
large
fruits
seeds
advanced
sites
suggests
high
availability,
may
help
successfully
reproduce.
Moreover,
under
some
are
herbivory
defense
(high
foliar
weight
thick
leaves).
Even
though
N
C
increased
as
succession
advanced,
had
NH4
NO3
concentrations
result
fecal
deposition.
Plant
responded
study
that
exclusion,
management
biodiversity
strategy,
contributes
positively
nutrition.
Thus,
exclusion
facilitate
recovery
allows
establishing
suitable
attributes
for
overcoming
filters
abandoned
fields.
Botanical Sciences,
Journal Year:
2022,
Volume and Issue:
100(Special), P. S137 - S174
Published: Sept. 2, 2022
Vegetation
is
a
key
biosphere
component
to
supporting
biodiversity
on
Earth,
and
its
maintenance
proper
functioning
are
essential
guarantee
the
well-being
of
humankind.
From
broad
perspective,
fundamental
goal
vegetation
ecology
understand
roles
abiotic
biotic
factors
that
affect
structure,
distribution,
diversity,
functioning,
considering
relevant
spatial
temporal
scales.
In
this
contribution,
we
reflect
difficulties
opportunities
accomplish
grand
objective
by
reviewing
recent
advances
in
main
areas
ecology.
We
highlight
theoretical
methodological
challenges
point
alternatives
overcome
them.
Our
hope
contribution
will
motivate
development
future
research
efforts
strengthen
field
Ultimately,
science
continue
provide
strong
knowledge
basis
multiple
technological
tools
better
face
current
global
environmental
crisis
address
urgent
need
sustainably
conserve
cover
our
planet
Anthropocene.