Forest Ecosystems,
Год журнала:
2022,
Номер
9, С. 100057 - 100057
Опубликована: Янв. 1, 2022
The
natural
composition
of
forests
has
undergone
significant
changes
over
recent
centuries.
A
closer-to-natural
tree
species
long
been
perceived
as
key
to
a
high
biodiversity.
We
investigated
the
impact
on
communities
click
beetles
(Elateridae)
caused
by
in
spruce
monocultures
compared
reference
sites
recently
unmanaged
beech
forests.
To
collect
data,
passive
interception
traps
were
distributed
within
managed
stands
different
age
classes
and
various
developmental
stages.
beetle
richness
was
slightly
but
not
significantly
higher
saproxylic
group
more
common
stands,
whereas
nonsaproxylic
abundant
stands.
In
commercial
highest
clearings
(0–10-year-old
stands),
at
this
forest
class,
vast
majority
occurred
stages
forest,
found
disintegration
stage.
study
results
suggested
that
compositions
stand
structures
affect
substantially
change
their
thus
response
external
influences.
Therefore,
management
using
diverse
silvicultural
systems
is
recommended
for
creating
ecological
niches
Insect Conservation and Diversity,
Год журнала:
2022,
Номер
15(6), С. 725 - 738
Опубликована: Авг. 2, 2022
Abstract
Habitat
degradation
and
climate
change
are
main
drivers
of
insect
species
loss
worldwide,
raising
concern
about
natural
forest
replacement
by
tree
monocultures
in
a
context
more
frequent
disturbances
like
drought.
Carabid
beetles
emblematic
ecology
because
they
often
used
as
indicators
biodiversity
have
important
functional
roles,
particularly
predation.
We
diversity
experiment
with
half
the
plots
irrigated
other
under
summer
water
stress
to
test
combined
effects
mixing
drought
on
carabid
diversity.
observed
qualitative
effect
communities,
turnover
mainly
due
predator
drier
(non‐irrigated)
plots.
also
found
that
richness
activity
density
were
lowest
pure
pine
highest
mixture
birch
at
low
density.
The
likely
underlying
mechanism
is
better
provision
food
shelter
resources
mixed
forests.
association
could
compensate
for
between
benefiting
from
regime
last
century
those
subject
current
droughts.
This
suggests
diversifying
plantation
forests
promising
way
increase
their
resilience
adverse
change.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Авг. 12, 2023
Pest
responses
to
landscape
complexity
show
variable
patterns
globally,
primarily
related
species
traits
and
specific
managed
habitats.
Leaf-cutting
ants
(LCAs)
are
native
insects
important
pests
of
plantation
forests
in
South
America.
We
evaluated
the
LCA
nests
young
Eucalyptus
plantations
different
spatial
contexts:
land
uses,
interfaces
(adjacent
use
pairs),
agroecosystems,
landscapes.
selected
30
sites
littoral
region
Argentina
representing
three
types
uses
neighboring
plantations:
adult
eucalypt
plantations,
citrus
semi-natural
At
each
site,
we
quantified
identified
characterized
composition
configuration
circles
250
m
radius.
nest
abundance
presence
were
similar
across
interfaces,
agroecosystems.
Nest
decreased
landscapes
with
increasing
mean
perimeter/area
ratio
coverage,
whereas
showed
a
trend.
This
indicates
that
heterogeneous
those
greater
coverage
less
likely
have
nests.
Our
findings
suggest
was
main
predictor
presence.
Understanding
dynamics
LCAs
populations
their
complex
associations
components
will
contribute
developing
successful
environmental
pest
management
strategies
for
forests.
Abstract
The
tropical
Andes
is
one
of
the
most
biodiverse
ecoregions
on
Earth,
exhibiting
high
levels
species
endemism.
also
vulnerable
worldwide
due
to
a
long
history
anthropogenic
transformations.
One
major
obstacles
for
generating
conservation
plans
gaps
in
knowledge
about
status
and
threats
many
groups
Andean
biodiversity,
especially
invertebrates.
Focusing
three
important
beetle
(i.e.,
Coleoptera:
ground
beetles,
rove
beetles
dung
beetles)
Andes,
we
performed
systematic
review
scientific
literature
retrieving
50
studies
that
allowed
us
assess
degree
across
region,
disturbance
types,
biodiversity
metrics
used.
We
found
representation
Colombia,
compared
with
other
countries.
marked
bias
among
taxonomic
groups,
topics
or
evaluated,
represented
group,
particularly
addressing
forest
conversion
using
such
as
richness
abundance.
reveal
large
information
diversity
use
metrics.
lack
countries
makes
it
difficult
generalize
results
points
need
more
research,
under‐represented
Bolivia
Venezuela.
Including
complementary
response
metrics,
biomass,
functional
ecological
functions,
will
improve
assessment
human
impacts
communities
wider
ecosystems.
Phyllomedusa Journal of Herpetology,
Год журнала:
2023,
Номер
22(2), С. 159 - 170
Опубликована: Дек. 15, 2023
We
investigated
the
diet
of
Engystomops
pustulosus
from
a
population
in
Middle
Magdalena
River
valley,
including
an
evaluation
theeffect
body
and
head
size
on
prey
number
volume.
present
current
state
knowledge
E.
published
information
addition
to
our
data.
found
total
400
items
representing
two
phyla,
Arthropoda
Mollusca;
seven
orders
nine
families
were
detected.
Arthropods,
mainly
insects,
most
frequent
diet.
Among
arthropods,
Acari
Isoptera
numerically
dominant.
did
not
observe
effects
The
literature
included
66
items,
among
which
(termites),
Acari,
Formicidae
common
groups,
suggesting
dietary
specialization.
Prey
consumed
by
varied
different
localities;
Blattodea,
Orthoptera,
Thysanoptera
unique
at
certain
localities.
Further
study
availability
diets
associated
with
land-use
changes
across
majorgeographic
localities
will
contribute
better
understanding
predator-prey
interactions
these
anthropogenic
environments.
Forest Ecosystems,
Год журнала:
2022,
Номер
9, С. 100057 - 100057
Опубликована: Янв. 1, 2022
The
natural
composition
of
forests
has
undergone
significant
changes
over
recent
centuries.
A
closer-to-natural
tree
species
long
been
perceived
as
key
to
a
high
biodiversity.
We
investigated
the
impact
on
communities
click
beetles
(Elateridae)
caused
by
in
spruce
monocultures
compared
reference
sites
recently
unmanaged
beech
forests.
To
collect
data,
passive
interception
traps
were
distributed
within
managed
stands
different
age
classes
and
various
developmental
stages.
beetle
richness
was
slightly
but
not
significantly
higher
saproxylic
group
more
common
stands,
whereas
nonsaproxylic
abundant
stands.
In
commercial
highest
clearings
(0–10-year-old
stands),
at
this
forest
class,
vast
majority
occurred
stages
forest,
found
disintegration
stage.
study
results
suggested
that
compositions
stand
structures
affect
substantially
change
their
thus
response
external
influences.
Therefore,
management
using
diverse
silvicultural
systems
is
recommended
for
creating
ecological
niches
