Diseases of Aquatic Organisms,
Journal Year:
2024,
Volume and Issue:
160, P. 101 - 114
Published: Oct. 21, 2024
Thermal
acclimation
effects
on
locomotory
performance
have
been
widely
documented
for
macroscopic
organisms,
but
such
responses
remain
largely
unexplored
in
microorganisms.
Metabolic
theory
of
ecology
(MTE)
predicts
faster
smaller
with
potential
consequences
host-parasite
interactions
variable
temperature
environments.
We
investigated
thermal
zoospores
the
amphibian
fungal
pathogen
Batrachochytrium
dendrobatidis
(
Bd
),
quantifying
(1)
maximum
zoospore
velocity
and
(2)
high
temperatures
needed
to
immobilize
50%
CT
50
max
)
or
100%
100
zoospores.
obtained
measurements
within
18
min
following
a
shift.
found
significant
curvilinear
,
although
latter
pattern
might
driven
by
confoundment
density.
also
observed
positive
effect
trial
start
consistent
rapid
response
time
scale
~1-6
(i.e.
too
our
experimental
treatments
detect),
implying
that
either
constitutive
heat
tolerance
no
acclimation)
fully
acclimate
new
~10
min.
To
explore
plausibility
response,
we
analyzed
published
times
eukaryotes,
resulting
predicted
interquartile
range
3.11-25.98
when
mass-scaled
size
zoospore.
Taken
together,
these
results
suggest
do
exhibit
MTE,
possibly
giving
an
advantage
over
slower-acclimating
hosts
variable-temperature
Climate,
Journal Year:
2024,
Volume and Issue:
12(11), P. 179 - 179
Published: Nov. 7, 2024
The
Intergovernmental
Panel
on
Climate
Change
(IPCC)
provides
regular
scientific
assessments
climate
change,
its
implications,
and
potential
future
risks
based
estimated
energy
matrixes
policy
pathways.
aim
of
this
publication
is
to
assess
the
change
poses
biodiversity
using
projected
IPCC
scenarios
for
period
2081–2100,
combined
with
key
species-sensitivity
indicators
variables
as
a
response
projections.
In
doing
so,
we
address
how
climate-change-driven
pressures
may
affect
biodiversity.
Additionally,
novel
causal
relationship
between
extreme
ambient
temperature
exposure
levels
corresponding
effects
individual
species,
noted
in
paper
Upper
Thermal-Tolerance
Limit
Species
Sensitivity
Distribution
(UTTL-SSD),
compelling
explanation
global
warming
affects
Our
study
indicates
that
North
American
Oceanian
sites
humid
continental
subtropical
climates,
respectively,
are
poised
realize
shifts
have
been
identified
tipping-point
triggers.
Heat
stress
significantly
approximately
60–90%
mammals,
50%
birds,
amphibians
durations
ranging
from
5
84
days
per
year
2080.
temperate
oceanic
European
sites,
conditions
remain
relatively
stable;
however,
moderate
cumulative
identified,
additional
biodiversity-assemblage
threat
profiles
exist
represent
these.
Both
integration
IPCC-IUCN
UTTL-SSD
species
communities
considered
resulted
identification
threats
impose
under
scenarios,
which
would
result
degradation.
responses
developed
can
be
used
highlight
breakdowns
among
trophic
food
web
structures,
highlighting
an
critical
element
when
addressing
ecosystem
concerns.
Authorea (Authorea),
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 27, 2024
Analyzing
the
temporal
dynamics
of
ecological
communities
can
shed
light
on
coexistence
mechanisms
and
help
understand
how
populations
will
behave
in
face
climate
change.
However,
little
is
known
about
frog
respond
to
urban
ecosystems,
especially
Global
South.
Here,
we
analyzed
species
richness
abundance
are
influenced
by
microclimate
both
intra-
inter-annually.
We
surveyed
a
peri-urban
area
central
Brazil,
monthly
for
three
years.
To
test
effect
abundance,
used
Generalized
Additive
Mixed-effects
Models.
assessed
seasonality
using
circular
statistics.
also
tested
differences
beta
diversity
within
among
years
estimating
disappearance
rank
shift,
addition
multivariate
model-based
method
year
composition.
Finally,
taxonomic
phylogenetic
alpha
changed
through
time
novel
approach
based
Hill
numbers.
found
that
varied
was
affected
only
photoperiod,
while
more
variable
between
years,
being
mostly
humidity,
temperature,
photoperiod.
Species
composition
first
subsequent
Conversely,
highest
Only
effective
significantly
time.
Our
results
not
allow
coexistence,
but
make
inferences
impact
urbanization
biodiversity
recently
urbanized
landscapes,
showing
sites
remains
unaltered
mid-timescale,
when
conditions
changes
across
Diseases of Aquatic Organisms,
Journal Year:
2024,
Volume and Issue:
160, P. 101 - 114
Published: Oct. 21, 2024
Thermal
acclimation
effects
on
locomotory
performance
have
been
widely
documented
for
macroscopic
organisms,
but
such
responses
remain
largely
unexplored
in
microorganisms.
Metabolic
theory
of
ecology
(MTE)
predicts
faster
smaller
with
potential
consequences
host-parasite
interactions
variable
temperature
environments.
We
investigated
thermal
zoospores
the
amphibian
fungal
pathogen
Batrachochytrium
dendrobatidis
(
Bd
),
quantifying
(1)
maximum
zoospore
velocity
and
(2)
high
temperatures
needed
to
immobilize
50%
CT
50
max
)
or
100%
100
zoospores.
obtained
measurements
within
18
min
following
a
shift.
found
significant
curvilinear
,
although
latter
pattern
might
driven
by
confoundment
density.
also
observed
positive
effect
trial
start
consistent
rapid
response
time
scale
~1-6
(i.e.
too
our
experimental
treatments
detect),
implying
that
either
constitutive
heat
tolerance
no
acclimation)
fully
acclimate
new
~10
min.
To
explore
plausibility
response,
we
analyzed
published
times
eukaryotes,
resulting
predicted
interquartile
range
3.11-25.98
when
mass-scaled
size
zoospore.
Taken
together,
these
results
suggest
do
exhibit
MTE,
possibly
giving
an
advantage
over
slower-acclimating
hosts
variable-temperature
