Geographical Variation of Diet Composition of Cervus nippon kopschi in Jiangxi, China Based on DNA Metabarcoding
Animals,
Год журнала:
2025,
Номер
15(7), С. 940 - 940
Опубликована: Март 25, 2025
Food
resources
are
the
fundamental
basis
for
survival
and
reproduction
of
animals.
Diet
research
is
foundation
understanding
their
ecological
habits
great
significance
evaluating
status
carrying
out
effective
protection
management.
South
China
sika
deer
(Cervus
nippon
kopschi)
most
endangered
subspecies
wild
in
China,
with
a
small
population
shrinking
distribution
area.
Here,
we
used
DNA
metabarcoding
technology
to
study
diet
composition
C.
n.
kopschi
Taohongling
Sika
Deer
National
Nature
Reserve
Jiangxi,
China.
Comparative
analysis
among
different
areas
(A-E)
was
conducted,
as
well
hortulorum
raised
same
areas.
We
found
that
dominant
families
were
Rosaceae
(46.73%
relative
abundance),
Anacardiaceae
(6.02%),
Poaceae
(5.54%),
Fabaceae
(3.92%),
Rubus
(45.43%)
being
absolute
genus.
Thirty-two
preferred
plant
species
identified
kopschi.
The
highest
abundance
(45%)
reflexus.
family
genus
(33.89%)
Pueraria
(32.87%),
respectively.
Of
15
species,
montana
(33%).
richness,
diversity,
evenness
Area
B
all
areas,
significant
differences
compared
Areas
C,
D,
E.
A
did
not
differ
significantly
from
those
other
Principal
coordinate
(PCoA)
nonmetric
multidimensional
scaling
(NMDS)
both
indicated
separation
hortulorum,
while
showed
This
elaborates
on
information
can
provide
reference
improvement
habitat
deer.
Язык: Английский
DNA Metabarcoding Illuminates Seasonal Dietary Pattern and Niche Partitioning by Three Sympatric Herbivores
Ecology and Evolution,
Год журнала:
2025,
Номер
15(4)
Опубликована: Апрель 1, 2025
Diet
composition
is
among
the
most
critical
dimensions
of
animal
ecology,
yet
seasonal
dietary
diversity
has
rarely
been
investigated
in
sympatric
herbivores.
This
study
used
DNA
metabarcoding
to
conduct
an
analysis
variations
diet
and
trophic
niches
for
sika
deer,
Reeves'
muntjac,
Chinese
hare
Taohongling
National
Nature
Reserve
(TNNR).
The
results
showed
that
Smilax
china
(11.79%)
was
leading
food
eaten
by
deer
summer,
whereas
dominated
Rubus
spp.
(36.42%)
Loropetalum
chinense
(25.48%)
winter;
accounted
majority
muntjac's
throughout
year.
In
comparison,
primarily
consumed
from
winter
spring
but
changed
Poa
annua
(10.81%)
Setaria
viridis
(23.05%)
summer
fall.
Compared
other
seasons,
significant
differences
(Shannon
index,
p
<
0.05)
occurred
showing
higher
items
across
three
herbivorous.
Nonmetric
multidimensional
scaling
(NMDS)
suggested
partitioning
hares
compared
two
ruminants.
Both
muntjac
occupied
a
wider
niche
breadth
reflecting
generalised
feeding
habits
(Sd:
Ba
=
0.06;
Rm:
0.04)
lower
fall
(Ba
0.01)
with
stronger
selectivity
specialization,
which
consistent
optimal
foraging
theory.
Notably,
no
difference
indicated
(p
>
0.05).
overlap
indices
were
0.989
(fall)
0.831
(winter)
between
indicating
similarity
overlap.
However,
plant
taxa
abundance
ratios
may
facilitate
partitioning.
herbivores
reflected
plant-herbivore
interactions
correlated
strategies,
coexistence
reduce
competition
co-occurring
species
dimension.
Язык: Английский