Prediction of Historical, Current, and Future Configuration of Tibetan Medicinal Herb Gymnadenia orchidis Based on the Optimized MaxEnt in the Qinghai–Tibet Plateau
Plants,
Journal Year:
2024,
Volume and Issue:
13(5), P. 645 - 645
Published: Feb. 26, 2024
Climate
change
plays
a
pivotal
role
in
shaping
the
shifting
patterns
of
plant
distribution,
and
gaining
insights
into
how
medicinal
plants
plateau
region
adapt
to
climate
will
be
instrumental
safeguarding
rich
biodiversity
highlands.
Gymnosia
orchidis
Lindl.
(G.
orchidis)
is
valuable
Tibetan
resource
with
significant
medicinal,
ecological,
economic
value.
However,
growth
G.
severely
constrained
by
stringent
natural
conditions,
leading
drastic
decline
its
resources.
Therefore,
it
crucial
study
suitable
habitat
areas
facilitate
future
artificial
cultivation
maintain
ecological
balance.
In
this
study,
we
investigated
zones
based
on
79
occurrence
points
Qinghai–Tibet
Plateau
(QTP)
23
major
environmental
variables,
including
climate,
topography,
soil
type.
We
employed
Maximum
Entropy
model
(MaxEnt)
simulate
predict
spatial
distribution
configuration
changes
during
different
time
periods,
last
interglacial
(LIG),
Last
Glacial
(LGM),
Mid-Holocene
(MH),
present,
scenarios
(2041–2060
2061–2080)
under
three
(SSP126,
SSP370,
SSP585).
Our
results
indicated
that
annual
precipitation
(Bio12,
613–2466
mm)
mean
temperature
coldest
quarter
(Bio11,
−5.8–8.5
°C)
were
primary
factors
influencing
orchidis,
cumulative
contribution
78.5%.
The
driest
season
had
most
overall
impact.
Under
current
covered
approximately
63.72
×
104/km2,
encompassing
Yunnan,
Gansu,
Sichuan,
parts
Xizang
provinces,
highest
suitability
observed
Hengduan,
Yunlin,
Himalayan
mountain
regions.
past,
area
experienced
Mid-Holocene,
variations
total
centroid
migration
direction.
scenarios,
projected
expand
significantly
SSP370
(30.33–46.19%),
followed
SSP585
(1.41–22.3%),
while
contraction
expected
SSP126.
Moreover,
centroids
exhibited
multidirectional
movement,
extensive
displacement
(100.38
km2).
This
provides
theoretical
foundation
for
conservation
endangered
QTP.
Language: Английский
The southernmost member of the Simulium venustum species group (Diptera: Simuliidae) in the Old World: a new species from the Rif Mountains of Morocco
Zootaxa,
Journal Year:
2024,
Volume and Issue:
5446(2), P. 247 - 256
Published: April 29, 2024
The
polytene
chromosomes,
larva,
pupa,
and
male
are
described
for
the
black
fly
Simulium
chaouikaidi
n.
sp.,
a
member
of
venustum
group
from
Morocco.
Chromosomally,
this
new
species
is
one
fixed
inversion
removed
standard
banding
sequence
subgenus
has
microscopically
undifferentiated
sex
chromosomes
minimal
autosomal
polymorphism.
It
homosequential
with
two
other
in
S.
group:
bergi
Rubtsov
paramorsitans
Rubtsov.
Structurally,
each
known
life
stage
distinct
that
all
simuliids
North
Africa.
This
southernmost
Old
World
apparently
endemic
to
Rif
Mountains.
Its
restricted
distribution
includes
Bou
Hachem
Natural
Park
where
its
habitat
afforded
some
protection.
Language: Английский
Strategic analysis of avian conservation within key areas and key species – A case study of Baiyangdian, China
Zhisheng Tian,
No information about this author
Zhenguang Lu,
No information about this author
Da Huo
No information about this author
et al.
Journal of Environmental Management,
Journal Year:
2024,
Volume and Issue:
373, P. 123821 - 123821
Published: Dec. 27, 2024
Language: Английский
Prediction of historical, current and future configuration of Gymnadenia orchidis 1 based on the optimized MaxEnt in the Qinghai-Tibet Plateau
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 11, 2024
Abstract
Gymnosia
orchidis
(
G.
)
is
a
valuable
Tibetan
medicinal
resource
with
significant
medicinal,
ecological,
and
economic
value.
However,
the
growth
of
severely
constrained
by
stringent
natural
conditions,
leading
to
drastic
decline
in
its
resources.
Therefore,
it
crucial
study
suitable
habitat
areas
facilitate
future
artificial
cultivation
maintain
ecological
balance.
In
this
study,
we
investigated
zones
based
on
79
occurrence
points
Qinghai-Tibet
Plateau
(QTP)
23
major
environmental
variables,
including
climate,
topography,
soil
type.
We
employed
Maximum
Entropy
model
(MaxEnt)
simulate
predict
spatial
distribution
configuration
changes
during
different
time
periods,
last
inter-glacial
(LIG),
glacial
(LGM),
Mid-Holocene
(MH),
present,
scenarios
(2041—2060
2061—2080)
under
three
climate
(SSP126,
SSP370,
SSP585).
Our
results
indicated
that
annual
precipitation
(Bio12,
613—2466
mm)
mean
temperature
coldest
quarter
(Bio11,
-5.8—8.5
°C)
were
primary
factors
influencing
,
cumulative
contribution
78.5%.
The
driest
season
had
most
overall
impact.
Under
current
covered
approximately
63.72×10
4
/km²,
encompassing
Yunnan,
Gansu,
Sichuan,
parts
Xizang
provinces,
highest
suitability
observed
Hengduan,
Yunlin,
Himalayan
mountain
regions.
past,
area
experienced
Mid-Holocene,
variations
total
centroid
migration
direction.
scenarios,
projected
expand
significantly
SSP370
(30.33%—46.19%),
followed
SSP585
(1.41%—22.3%),
while
contraction
expected
SSP126.
Moreover,
centroids
exhibited
multidirectional
movement,
extensive
displacement
(100.38
km²).
This
research
provides
insights
for
guiding
selection
introduced
species,
cultivation,
conservation
future,
also
offering
theoretical
support
protection
endangered
species.
Language: Английский
Conservation of freshwater biodiversity in North Africa under future climate and land-cover changes
Biodiversity and Conservation,
Journal Year:
2024,
Volume and Issue:
33(3), P. 1145 - 1163
Published: Feb. 7, 2024
Language: Английский
Identification of Bird Habitat Restoration Priorities in a Central Area of a Megacity
Yuncai Wang,
No information about this author
Xinghao Lu,
No information about this author
Ruojing Wang
No information about this author
et al.
Forests,
Journal Year:
2023,
Volume and Issue:
14(8), P. 1689 - 1689
Published: Aug. 21, 2023
Rapid
global
urbanization
has
caused
habitat
degradation
and
fragmentation,
resulting
in
biodiversity
loss
the
homogenization
of
urban
species.
Birds
play
a
crucial
role
as
indicators
environments,
providing
multiple
ecosystem
services
demonstrating
sensitivity
to
changes
habitat.
However,
construction
activities
often
disrupt
bird
habitats,
leading
decline
quality.
This
paper
proposes
framework
for
prioritizing
restoration
by
pinpointing
hotspots
that
demand
attention
considering
matching
relationship
between
richness
Shanghai
represents
typical
example
high-density
megacities
China,
posing
significant
challenge
conservation
efforts.
Utilizing
random
forest
(RF)
model,
patterns
central
were
mapped,
identified
calculating
local
spatial
autocorrelation
indices.
From
this,
quality
hotspot
areas
was
evaluated,
priority
habitats
determined
with
through
z-score
standardization.
The
results
follows:
(1)
Outer-ring
green
spaces,
large
parks,
along
coasts
or
rivers
found
be
most
important
richness.
Notably,
forests
emerged
habitat,
approximately
50.68%
forested
hotspots.
(2)
Four
types
identified.
high-bird-richness–low-habitat-quality
area
(HBR-LHQ),
mainly
consisting
grassland
land,
key
due
its
vulnerability
human
activities.
(3)
Landscape
Shannon’s
Diversity
Index
(SHDI)
Normalized
Difference
Vegetation
(NDVI)
are
considered
factors
influencing
distribution.
Our
findings
provide
scientifically
effective
identifying
priorities
areas.
Language: Английский