Land,
Journal Year:
2023,
Volume and Issue:
12(7), P. 1310 - 1310
Published: June 29, 2023
Australia’s
tropical
savannas
are
a
vast
landscape
of
grasslands
with
high
biodiversity
value.
Effective
conservation
in
this
requires
private
contributions
to
complement
the
under-sized
formal
estate.
The
is
dominated
by
rangelands,
particular
extensive
cattle
grazing
on
pastoral
stations
which
typically
measure
hundreds
or
thousands
square
kilometers.
paper
reports
results
discrete–continuous
(or
“two-stage”)
choice
experiment
conducted
savanna
pastoralists.
A
discrete
explored
stated
willingness
participate
two
long-term
strategies:
(i)
total
exclusion
from
designated
parcels
land
management
that
for
biodiversity,
and
(ii)
implementation
rotational
systems
governed
requirements
among
other
contractual
attributes.
An
extension
question
asked
about
area
respondents
were
willing
supply
contract
they
accept.
Double-hurdle
(type
II
tobit)
modelling
was
used
combined
data
analysis.
show
potential
participation
voluntary
contracts
pastoralists
primarily
influenced
attributes,
namely,
action
required,
stewardship
payment
received,
length
whether
contains
flexibility
provisions.
Land
productivity
also
significant.
level
required
incentivize
line
opportunity
costs,
option
amount
determined
as
well
farm
size
intrinsic
motivation.
This
research
illustrates
strategies
integrating
into
operations
savannas,
applicable
globally.
It
provides
an
economic
nature
inform
development
multi-tenure
strategies.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 21, 2024
Abstract
Understanding
and
predicting
animal
movement
is
fundamental
to
ecology
conservation
management.
Models
that
estimate
then
predict
habitat
selection
parameters
underpin
diverse
applications,
from
mitigating
invasive
species
spread
enhancing
landscape
connectivity.
However,
many
predictive
models
overlook
fine-scale
temporal
dynamics
within
their
predictions,
despite
animals
often
displaying
behavioural
variability
might
significantly
alter
movement,
distribution
over
time.
Incorporating
dynamics,
such
as
circadian
rhythms,
reduce
the
averaging
out
of
behaviours,
thereby
our
ability
make
predictions
in
both
short
long
term.
We
tested
whether
inclusion
improved
(hourly)
long-term
(seasonal)
spatial
for
a
significant
Northern
Australia,
water
buffalo
(
Bubalus
bubalis
).
Water
require
intensive
management
actions
vast,
remote
areas
display
distinct
rhythms
linked
use.
To
inform
operations
we
generated
hourly
dry
season
prediction
maps
by
simulating
trajectories
static
temporally
dynamic
step
functions
(SSFs)
were
fitted
GPS
data
13
buffalo.
found
simulations
replicated
buffalo’s
crepuscular
patterns
selection,
resulting
more
informative
accurate
predictions.
Additionally,
when
aggregated
into
better
able
highlight
concentrated
use
indicate
high-risk
environmental
damage.
Our
findings
emphasise
importance
incorporating
with
clear
patterns.
By
integrating
processes
trajectories,
demonstrate
an
approach
can
enhance
strategies
deepen
understanding
ecological
across
multiple
timescales.
Animal Conservation,
Journal Year:
2024,
Volume and Issue:
27(5), P. 659 - 670
Published: April 23, 2024
Abstract
Understanding
the
impacts
of
habitat
conversion
on
species
assemblages
across
multiple
biodiversity
dimensions
(taxonomic,
functional,
and
phylogenetic)
spatial
scales
is
pivotal
for
implementing
effective
conservation
strategies.
Here,
we
surveyed
phyllostomid
bats
using
mist
nets
in
riparian
unflooded
forests,
flooded
savannahs,
conventional
rice
fields
to
investigate
how
changes
quality
affect
multifaceted
diversity
from
two
Colombian
farming
systems
Orinoco
Llanos:
traditional
farmlands
with
high‐intensity
agriculture
(mainly
production)
Civil
Society
Nature
Reserves
greater
ecosystem
protection.
We
used
a
unified
framework
based
Hill
numbers
quantifying
bat
taxonomic,
phylogenetic
modeled
relationship
these
facets
landscape
variables
(habitat
cover
patch
density)
three
(0.5,
1.5,
3
km)
Bayesian
generalized
linear
mixed‐effect
models.
Our
results
indicate
that
increasing
human
activity
toward
monocultures
representative
negatively
affected
all
facets.
In
contrast,
forested
habitats
associated
mainly
forests
within
private
reserves
contained
higher
than
savannahs
fields.
However,
differences
between
crops
were
significant
only
diversity,
indicating
loss
evolutionary
history
after
conversion.
At
scale,
forest
was
predictor
functional
(0.5‐
3‐km
scale)
(0.5
km),
responded
at
scale
density
perspective.
Increasing
through
preserving
patches
should
minimize
harmful
effects
multidimensional
biodiversity.
Furthermore,
creation
more
wildlife‐friendly
farming,
as
practiced
reserves,
be
prioritized
ensure
high
levels
countryside
landscapes.
Annals of the Entomological Society of America,
Journal Year:
2024,
Volume and Issue:
117(4), P. 209 - 219
Published: June 20, 2024
Abstract
Savannas
are
recognized
as
one
of
the
world’s
most
biodiverse
ecosystems.
However,
these
environments
have
highest
rates
habitat
loss
due
to
land
use
and
climate-induced
alterations
in
fire
regimes.
The
combination
threats,
along
with
knowledge
gaps
biodiversity,
represents
formidable
challenges
conservation
efforts
regions.
Dung
beetles,
vital
for
comprehending
impact
on
savannas,
yet
undergo
comprehensive
study.
To
address
this
gap,
we
conducted
a
systematic
review
current
state
regarding
dung
beetles
distributed
savannas
within
Neotropical,
Afrotropical,
Australasia
zoogeographic
We
describe
encompassing
geographical
distribution,
research
topics,
studied
habitats,
key
metrics
assessed
existing
studies.
Our
results
reveal
pronounced
focus
Neotropical
highlighting
substantial
deficit
beetle
ecology
Afro-tropical
Australasian
savannas.
Most
articles
focused
savanna
grasslands,
woodlands,
human-introduced
habitats
such
pastures.
predominant
community
patterns,
replacement,
degradation.
Noteworthy
included
abundance,
richness,
species
composition.
Diversity
indexes
functional
diversity
were
also
relatively
well-explored
metrics.
across
all
regions,
aspects
behavior,
reproductive
biology,
physiology
remain
inadequately
explored.
In
conclusion,
urgent
imperative,
emphasizing
need
metrics,
including
biomass,
morphometrics,
ecological
functions
advance
our
understanding
their
significance
roles
Environmental Research Letters,
Journal Year:
2024,
Volume and Issue:
19(10), P. 104014 - 104014
Published: Aug. 30, 2024
Abstract
Livestock
production
is
an
integral
part
of
the
global
food
system
and
livelihoods
local
people,
but
it
also
raises
questions
environmental
sustainability
due
to
issues
such
as
greenhouse
gas
(GHG)
emissions,
biodiversity
decline,
land
degradation,
water
use.
Further
challenges
extensive
livestock
systems
may
arise
from
changes
in
climate
economy
(particularly
variation
prices
for
carbon).
However,
significant
potential
exists
both
mitigating
these
impacts
adapting
change
via
altering
stocking
rates,
managing
fire,
supplementing
cattle
diets
reduce
methane
emissions.
We
developed
integrated,
spatio-temporal
modelling
approach
assess
effectiveness
options
management
northern
Australia’s
tropical
savanna
under
different
scenarios.
Performance
was
measured
against
a
range
indicators,
including
(GHG
biodiversity,
intake,
condition)
agricultural
(profit,
beef
production)
outcomes.
Our
model
shows
that
maintaining
historical
rates
not
environmentally
sustainable
accelerated
degradation
exacerbated
by
changing
climate.
planned
early
dry
season
burning
substantially
reduced
our
simulations
profitable
all
scenarios
included
carbon
price.
Overall,
balance
between
outcomes
could
be
improved
below
modelled
carrying
capacity
implementing
fire
management.
This
scenario
most
(more
than
double
profit
rates),
prevented
GHG
emissions
23%.
By
integrating
cumulative
change,
external
economic
drivers,
actions
across
we
show
future
rangelands
savannas
has
Ecohydrology,
Journal Year:
2024,
Volume and Issue:
17(2)
Published: Jan. 29, 2024
Abstract
Succession
occurs
when
river
biota
recovers
from
the
loss
of
biomass
and
diversity
caused
by
flood
disturbance,
has
rarely
been
examined
in
tropical
savannah
biome.
Hypotheses
are
tested
which
address
environmental
context
recovery
riffle
macroinvertebrates
an
Australian
perennial,
river,
located
a
catchment
with
low
anthropogenic
impact.
Recovery
occurred
over
32‐week
dry‐season
period
gradually
declining
discharge
near‐stable
water
quality,
after
23‐week
wet‐season
flood‐disturbance
period,
was
typical
river's
flow
regime.
Prolonged,
benign
conditions
during
facilitated
accrual
macroalgae.
Macroinvertebrate
abundance,
mediated
macroalgal
biomass,
increased
at
logarithmic,
asymptotic
rate
period.
assemblages
functional
feeding
groups
(FFGs)
tended
to
become
more
similar
between
consecutive
sample
dates
as
progressed,
though
variable
abundances
core
taxa
(Orthocladiinae,
Hydropsychidae,
Orthotrichia
,
Chironominae
Pyralidae)
prominence
Hydroptila
late
Filterer
fluctuated
most,
whilst
relative
abundance
herbivorous
shredders
predators
generally
increased.
The
return
macroinvertebrate
its
pre‐disturbance
state
is
attributed
pre‐
post‐disturbance
conditions.
broadly
agreed
secondary
succession
paradigm
for
macroinvertebrates.
probably
driven
mainly
biotic
factors,
initial
colonisation
However,
this
requires
elucidation
expansion
current
benthic
disturbance
population
dynamics
under
abiotic
Livestock
production
is
an
integral
part
of
the
global
food
system
and
livelihoods
local
people,
but
it
also
raises
issues
environmental
sustainability
due
to
such
as
greenhouse
gas
(GHG)
emissions,
biodiversity
decline,
land
degradation,
water
use.
Further
challenges
social
extensive
livestock
systems
may
arise
from
changes
in
climate
economy
(e.g.,
changing
demand
carbon
prices).
However,
significant
potential
exists
for
both
mitigating
these
impacts
adapting
change
via
altering
stocking
rates,
managing
fire,
improving
pastures,
supplementing
cattle
reduce
methane
emissions.
We
developed
integrated,
spatio-temporal
modelling
approach
assess
effectiveness
different
options
management
Australia’s
tropical
savanna
under
scenarios.
Performance
was
measured
against
a
range
indicators,
including
outcomes
(GHG
biodiversity,
intake,
condition)
(profit,
beef
production).
find
that
maintaining
baseline
rates
not
environmentally
sustainable
accelerated
degradation
exacerbated
by
climate.
Alternatively,
planned
early
dry
season
burning
resulted
substantial
emissions
reductions,
our
simulations
became
profitable
all
scenarios
included
price.
Although
there
were
no
perfect
win-wins,
balance
between
could
be
improved
at
modelled
carrying
capacity
implementing
fire
management.
This
scenario
most
(with
four-fold
increase
historic
baseline),
prevented
reduced
GHG
15%.
As
likely
Australia
elsewhere,
opportunity
diversify
income
streams
prove
vital