Rice Fields and Aquatic Insect Biodiversity in Italy: State of Knowledge and Perspectives in the Context of Global Change
Water,
Год журнала:
2025,
Номер
17(6), С. 845 - 845
Опубликована: Март 15, 2025
Rice
fields
are
one
of
the
most
important
and
extensive
agro-ecosystems
in
world.
Italy
is
a
major
non-Asian
rice
producer,
with
significant
proportion
its
yield
originating
from
vast
area
within
Po
Valley,
region
nourished
by
waters
Alps.
While
biodiversity
these
has
been
extensively
documented
for
certain
faunal
groups,
such
as
birds,
there
remains
paucity
research
on
aquatic
insects.
A
further
challenge
limited
dissemination
findings,
which
have
primarily
published
“gray”
literature
(local
journals,
newsletters
similar).
Moreover,
particular
significance
field
invasion
biology,
given
their
role
arrival
spread
alien
species.
efficacy
substitute
now-disappeared
lowland
natural
environments
well
documented,
it
equally
evident
that
traditional
rice-growing
techniques
can
require
an
unsustainable
use
water
resources,
threatens
surrounding
lotic
systems.
Here,
we
summarize
review
multiple
sources
entomological
information
Italian
fields,
analyzing
both
publications
ISI
journals
papers
local
(gray
literature).
In
near
future,
strategies
reduce
demand
irrigation,
promote
cultivation
drought-tolerant
crops,
utilize
precision
farming
will
be
implemented.
The
balancing
need
to
withdrawal
rivers
maintenance
wetlands
where
possible
support
this
pivotal
component
regional
biodiversity.
Язык: Английский
Complex selection processes on invasive crayfish phenotype at the invasion front of the Zambezi floodplains ecoregion
Freshwater Biology,
Год журнала:
2024,
Номер
69(9), С. 1322 - 1337
Опубликована: Июль 12, 2024
Abstract
Understanding
the
eco‐evolutionary
processes
which
drive
phenotypic
variability
in
non‐native
species
is
crucial
to
predicting
impact
and
informing
spatially
explicit
management
models.
Invasive
redclaw
crayfish,
Cherax
quadricarinatus
,
are
spreading
rapidly
through
ecologically
economically
important
Upper
Middle
Zambezi
system
south‐central
Africa.
We
tested
whether
there
was
an
invasion
front
effect
Barotse
floodplain
disentangle
these
effects
were
related
environmental
filtering,
spatial
sorting,
or
density‐dependent
along
a
nonlinear
200
km
gradient
over
seasonal
hydrological
periods.
Crayfish
spread
up‐
down‐stream
indicated
expanding
population
compared
former
2019,
facilitated
by
both
sexes.
Wet
season
detection
probability
relative
abundance
lower
than
dry
season.
No
signals
of
filtering
detected
as
result
high
connectivity
habitats
wet
The
characterised
abundance,
body
condition,
larger
overall
chelae
size,
longer
leg
length.
There
no
on
sex
ratio.
This
that
predation
pressure
acting
selective
forces
across
gradient.
Better
understanding
flood
regime
trophic
interactions
dispersal
urgently
needed.
Population
suppression
reduce
sorting
conspecific
competition
could
be
viable
option
at
front.
Язык: Английский
River hydrology mediates fish invasions in Addo Elephant National Park, South Africa
Koedoe,
Год журнала:
2024,
Номер
66(1)
Опубликована: Май 20, 2024
Invasive
freshwater
fish
can
often
have
severe
negative
effects
on
native
fishes
in
river
systems.
The
interactions
between
hydrology
and
habitat
variability
mediate
the
speed
success
of
individual
invasions
consequent
impact
biodiversity.
rivers
within
Addo
Elephant
National
Park
(AENP)
Eastern
Cape,
South
Africa
experience
cyclical
droughts
wet
periods
as
a
result
are
naturally
episodic.
These
were
recently
invaded
by
three
non-native
species,
invasive
largemouth
bass
(
Micropterus
salmoides
)
well
extralimital
sharptooth
catfish
Clarias
gariepinus
Mozambique
tilapia
Oreochromis
mossambicus
).
Monitoring
key
sampling
sites
along
two
over
12-year
period
that
included
major
revealed
unexpected
patterns
spread
these
species
their
with
fishes.
On
Coerney
River,
C.
repeatedly
was
extirpated
from
seasonal
reach
river,
wherein
O.
only
occasionally
captured.
Wit
apparently
independent
introductions
M.
lower
upper
reaches
resulted
patchy
occupancy
course
12
years.
While
regularly
co-occurred
appeared
to
locally
extirpate
endangered
Cape
redfin
Pseudobarbus
afer
During
drought,
both
persisted
close
but
disconnected
pools,
suggesting
episodic
geomorphology
may
offer
temporary
predation
refugia
for
during
drought.
Conservation
implications:
Drought
mitigate
against
protected
areas.
Effects
drying
invasion
corridors
spatial
should
be
taken
into
consideration
when
managing
such
invasions.
Severe
also
an
opportunity
actively
control
they
confined
accessible
drought
area.
Язык: Английский