Functional Ecology,
Год журнала:
2023,
Номер
38(2), С. 338 - 349
Опубликована: Дек. 22, 2023
Abstract
Whether
more
species
are
required
to
maintain
ecosystem
functioning
as
spatial
scale
increases
or
across
environmental
gradients
has
frequently
been
studied
by
examining
whether
different
drive
in
sites.
However,
this
approach
does
rule
out
the
counterfactual
scenario
where
a
few
could
potentially
sites
requires
which
can
(or
cannot)
compensate
for
loss
of
others.
Here,
I
used
an
observational
study
and
field‐based
transplant
experiment
examine
effects
on
biomass
productivity
intertidal
marine
macroalgal
system.
calculated
number
four
depth
zones
reflecting
water
emersion
gradient
using
two
commonly
approaches.
Then,
combined
hypothetical
simulated
extinction
scenarios
with
data
relative
growth
rates
all
explore
how
changed
under
compensated
loss.
The
analyses
suggested
that
between
three
were
zones.
did
not.
Rather,
decreases
due
some
(e.g.
Fucus
spiralis
,
Ascophyllum
nodosum
)
easily
other
vesiculosus
).
like
F.
simulations
compensation
would
be
unlikely.
Commonly
approaches
may
overestimate
scales.
Read
free
Plain
Language
Summary
article
Journal
blog.
American Journal of Agricultural Economics,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 28, 2025
Abstract
We
estimate
the
effects
of
result‐based
agri‐environmental
payments
on
biodiversity
using
a
unique
dataset
containing
information
about
plant
vegetation.
The
data
include
surveyed
species
for
large
number
randomly
selected
plots
followed
over
period
20
years
in
Switzerland.
In
our
estimation,
we
utilize
difference‐in‐discontinuities
approach
based
exogenous
variation
triggered
by
(i)
policy
reform
Switzerland
that
led
to
considerable
increase
was
uncertain
prior
implementation
and
(ii)
an
administrative
threshold
defines
eligibility
payment
depending
botanical
quality.
find
were
almost
eligible
before
but
not
already
satisfied
criteria.
Our
findings
have
important
implications
design
payments.
A
widely
assumed,
but
largely
untested,
tenet
in
ecology
is
that
ecosystem
stability
tends
to
increase
over
succession.
We
rigorously
test
this
idea
using
60-year
continuous
data
of
old
field
succession
across
480
plots
nested
within
10
fields.
found
temporal
increased
at
the
larger
scale
(γ
stability)
not
local
plot
(α
stability).
Increased
spatial
asynchrony
among
fields
γ
stability,
while
increases
species
and
decreases
offset
each
other,
resulting
no
α
scale.
Furthermore,
we
a
notable
positive
diversity-stability
relationship
scale,
with
associated
increasing
functional
diversity
later
Our
results
emphasize
importance
assessing
time
how
it
relates
biodiversity.
Journal of Applied Ecology,
Год журнала:
2024,
Номер
61(8), С. 1955 - 1967
Опубликована: Май 26, 2024
Abstract
Road
verges
can
support
high
densities
of
flowers
and
could
therefore
provide
new
opportunities
for
the
conservation
flower‐visiting
insects.
One
way
optimizing
road
vascular
plant
diversity
is
to
adjust
mowing
regimes,
but
date
it
unclear
how
this
affects
Furthermore,
mobile
organisms
like
wild
bees
butterflies,
there
a
risk
that
benefit
increased
habitat
quality
in
limited
by
proximity
traffic,
poorly
studied.
In
crossed
study
design,
we
separated
time
frequency
(early
summer
autumn,
or
only
late
summer)
from
verge
classification
(valuable
biodiversity
according
transport
authority,
regular).
We
did
so
along
gradient
traffic
intensity,
investigate
if
regime
designed
enhance
also
limits
potential
verges.
were
mown
had
higher
flower
densities,
was
positive
relationship
between
density
bee
abundance
species
richness.
Butterfly
richness
benefitted
valuable
not
regular
Traffic
intensity
substantial
negative
impact
on
butterflies.
Higher
intensities
butterfly
observed
at
lower
intensities.
Increasing
width
buffered
effects
as
well
abundances,
Synthesis
applications
.
play
role
need
consider
both
resource
availability
when
implementing
management
strategies.
To
diversity,
recommend
actions
availability,
focus
these
efforts
roads
with
low
wide
Ecology and Evolution,
Год журнала:
2024,
Номер
14(6)
Опубликована: Июнь 1, 2024
Abstract
Understanding
the
establishment
of
plant
species
is
important
to
inform
management
restored
grasslands
and
preserve
biodiversity
in
ancient
grasslands.
In
grassland
communities,
can
establish
from
seeds
arriving
via
spatial
dispersal,
soil
seed
bank
or
through
vegetative
spread
nearby
source
individuals.
However,
this
colonization
potential
likelihood
vary
with
different
land‐use
history.
We
investigated
relative
importance
local
recruitment
sources,
such
as
dispersal
space
time
presence
adjacent
grasslands,
determining
eight
history
(paired
continuously
managed
pasture
vs.
on
former
forest).
At
each
grassland,
we
established
plots
(0.25
m
2
)
monitor
seedling
emergence
bank,
recorded
clonal
growth
over
two
growing
periods.
found
that
was
highest
rain,
present
pool
were
more
able
germinate
both
type
Species
contributed
a
lesser
extent
establishment,
but
represented
greater
proportion
recolonization
regeneration
These
results
demonstrate
surrounding
serve
for
colonizing
key
process
plants.
imply
recovery
depends
heavily
upon
links
especially
Therefore,
plans
should
incorporate
rotational
livestock
grazing
larger
networks
restoration
efforts,
which
will
enable
desirable
persist
Journal of Applied Ecology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 15, 2025
Abstract
The
results
of
nature
restoration
efforts
have
been
characterized
as
notoriously
unpredictable.
Many
variables
impact
the
trajectory
species
communities
towards
recovery,
and
ecological
theory
that
takes
traits,
habitat
configuration
scale
into
account,
can
improve
models.
However,
most
important
questions
regarding
predictability
community
may
be
related
to
stochasticity.
We
investigated
assembly
a
cyanolichen
in
chronosequence
consisting
88
new
forest
patches
(30–140+
years
old)
comprising
today
0.4%
170
km
2
former
treeless
heathland
area
south‐western
Norway.
Two
complete
inventories
were
carried
out
12
apart,
we
(1)
tested
inferences
on
colonization
status
recovery
time
based
first
inventory
only;
(2)
lichen
by
changes
richness,
density
composition
at
three
different
spatial
scales;
(3)
discussed
how
dispersal
capacity
stochasticity
affect
general.
Colonization
sites
exceeded
extinctions
young
but
not
old
sites,
second
inventory,
richness
weighed
occurrences
no
longer
differed
significantly
between
landscape
scale.
differences
depended
method
measurement.
In
accordance
with
only
extinction
dynamics
indicated
our
study
system
will
take
90–120
scale,
whereas
was
difficult
determine
due
idiosyncratic
development
among
sites.
Synthesis
applications
.
Using
template
for
evaluation
systems
high
degree
stochastic
is
problematic,
particularly
finer
scales.
Ideally,
comparisons
reference
should
therefore
large
enough
cancel
major
effects
Furthermore,
suggest
numbers
needed
an
indicator
success
if
measurements
indicate
are
en
route
recovery.
Ecology and Evolution,
Год журнала:
2025,
Номер
15(2)
Опубликована: Фев. 1, 2025
ABSTRACT
Understanding
the
factors
governing
grassland
biodiversity
across
different
spatial
scales
is
crucial
for
effective
conservation
and
management.
However,
most
studies
focus
on
single
grain
sizes,
leaving
scale‐dependent
mechanisms
of
drivers
unclear.
We
investigated
how
climate,
soil
properties,
abiotic
disturbance,
land
use
influence
plant
diversity
two
fine
in
various
types
Ukraine.
Using
spatially
explicit
data
species
presence
their
cover,
collected
at
smaller
(10
m
2
)
larger
(100
we
assessed
β
‐diversity—the
variability
between
scales.
analyzed
whether
effects
ecological
‐diversity
are
mediated
by
changes
evenness,
density
(total
cover),
intraspecific
aggregation
community.
In
our
study,
influential
local
both
sizes
were
climate
variables,
followed
humus
content,
litter
pH.
Soil
primarily
driven
response
locally
rare
species,
while
grazing
common
species.
The
strength
these
varied
scales,
affecting
‐diversity.
properties
influenced
through
total
community
operated
via
evenness
aggregation.
Our
findings
highlight
that
responses
to
factors,
depend
size
sampled
area
reveal
role
driving
fine‐scale
grasslands
habitat
types.
Conservation Biology,
Год журнала:
2023,
Номер
38(3)
Опубликована: Ноя. 8, 2023
Abstract
Environmental
markets
are
a
rapidly
emerging
tool
to
mobilize
private
funding
incentivize
landholders
undertake
more
sustainable
land
management.
How
units
of
biodiversity
in
these
measured
and
subsequently
traded
creates
key
challenges
ecologically
economically
because
it
determines
whether
environmental
can
deliver
net
gains
efficiently
lower
the
costs
conservation.
We
developed
tested
metric
for
such
based
on
well‐established
principle
irreplaceability
from
systematic
conservation
planning.
Irreplaceability
as
avoids
limitations
like‐for‐like
trading
allows
one
capture
multidimensional
nature
ecosystems
(e.g.,
habitats,
species,
ecosystem
functioning)
simultaneously
achieve
cost‐effective,
land‐manager‐led
investments
Using
an
integrated
ecological
modeling
approach,
we
using
is
beneficial
than
simpler
offset
metrics
typically
used
gain
no‐net‐loss
policies.
ensured
no
loss,
or
even
gain,
depending
targets
chosen.
Other
did
not
provide
same
assurances
and,
flexibility
with
which
be
achieved,
how
they
overlap
development
pressure,
were
less
efficient.
reduced
offsetting
developers
restoration
society.
Integrating
economic
data
planning
approaches
would
therefore
assure
managers
being
fairly
rewarded
opportunity
transparently
most
efficient
recovery.
Environmental Microbiology,
Год журнала:
2023,
Номер
26(1)
Опубликована: Дек. 26, 2023
Abstract
Understanding
the
processes
that
underpin
community
assembly
of
bacteria
is
a
key
challenge
in
microbial
ecology.
We
studied
soil
bacterial
communities
across
large‐scale
successional
gradient
managed
and
abandoned
grasslands
paired
with
mature
forest
sites
to
disentangle
drivers
turnover
assembly.
Diversity
partitioning
phylogenetic
null‐modelling
showed
remain
compositionally
stable
following
abandonment
secondary
succession
but
they
differ
markedly
from
fully
afforested
sites.
Zeta
diversity
analyses
revealed
persistence
core
taxa
both
reflected
differed
whole‐scale
patterns.
Differences
pH
C:N
were
main
between
grassland
variability
within
stages
was
factor
related
relative
dominance
deterministic
processes.
Our
results
indicate
microbiomes
could
be
resilient
major
changes
forests
occur
fairly
late
when
trees
have
established
as
dominant
vegetation.
also
show
may
contrasting
responses
management
grasslands.