Anthropogenic activities altering the ecosystem in Lake Yamzhog Yumco, southern Qinghai-Tibetan Plateau
The Science of The Total Environment,
Год журнала:
2023,
Номер
904, С. 166715 - 166715
Опубликована: Сен. 4, 2023
Язык: Английский
The first DNA barcode library of Chironomidae from the Tibetan Plateau with an evaluation of the status of the public databases
Ecology and Evolution,
Год журнала:
2023,
Номер
13(2)
Опубликована: Фев. 1, 2023
The
main
aim
of
this
study
was
to
curate
a
COI
barcode
library
Chironomidae
from
the
Tibetan
Plateau
(TP)
as
an
essential
supplement
public
database.
Another
is
evaluate
current
status
database
in
aspects
taxonomic
coverage,
geographic
representation,
quality,
and
efficiency
for
molecular
identification,
Plateau,
China.
In
study,
512
individuals
TP
were
identified
based
on
morphological
taxonomy
analysis.
metadata
records
downloaded
BOLD,
quality
barcodes
ranked
using
BAGS
program.
reliability
identification
evaluated
with
newly
curated
BLAST
method.
comprised
159
species
54
genera,
which
58.4%
likely
new
science.
There
great
gaps
coverage
representation
database,
only
29.18%
at
level.
concern,
20%
being
determined
concordant
between
BINs
species.
accuracy
poor,
about
50%
matched
could
be
correctly
level
identity
threshold
97%.
Based
these
data,
some
recommendations
are
included
here
improving
barcoding
studies
Chironomidae.
richness
much
higher
than
ever
recorded.
Barcodes
more
groups
regions
urgently
needed
fill
gap
Users
should
take
caution
when
databases
adopted
reference
libraries
assignment.
Язык: Английский
Procladius (Diptera, Chironomidae) of Europe and a global view
Zootaxa,
Год журнала:
2025,
Номер
5591(1), С. 1 - 127
Опубликована: Фев. 25, 2025
A
project
initiated
in
1991
to
untangle
species-taxonomy
of
European
Procladius
(Chironomidae)
has
been
accomplished.
Increasing
amount
material,
loans
and
especially
the
development
barcodes
BIN-system
BOLD,
made
finalization
possible
after
about
33
years.
An
iterative
process
based
on
detailed
studies
male
morphology
barcode
clusters,
BINs,
resulted
identification
27
species
present
Europe,
most
them
also
Asia
(China,
Japan,
Mongolia
Russia)
North
America
(Canada
United
States).
One
hundred
morphological
characters
were
adopted
for
which
30
important
ones
used
construct
a
key
an
additional
helpdesk.
The
contains
three
each
separation
as
this
is
frequently
needed
reliable
identification.
ratio
GspR,
outer
length
gonostylus
versus
margin
gonostylus,
proved
be
character
All
but
two
have
BINs.
one
BIN
contained
only
species.
exception
that
previously
was
divided
into
BINs
containing
morphologically
distinct
Intraspecific
divergence
within
ranged
from
0‒3.3%
interspecific
2.0‒8.8%.
Four
new
are
presented.
These
P.
exilis
Brodin,
species,
gemma
saeticubitus
tenebricosus
Brodin
&
Hellberg,
other
23
presented
follows
with
synonyms
brackets:
appropinquatus
(Lundström,
1916)
[P.
ruris
Roback,
1971],
bellus
(Loew,
1866)
[Tanypus
rufovittatus
van
der
Wulp,
1874,
latifrons
Kieffer,
1922,
leucocoma
profundorum
1923],
breviatus
Remmert,
1953,
choreus
(Meigen,
1804)
[Chironomus
incomptus
Walker,
1856],
clavus
1971,
crassinervis
(Zetterstedt,
1838)
pectinatus
1909,
bifasciatus
Goetghebuer,
1936,
cinereus
abetus
culiciformis
(Linnaeus,
1767)
sagittalis
Trichotanypus
scapularis
1924,
freemani
Sublette,
1964
part],
dentus
ferrugineus
(Kieffer,
1918)
[Trichotanypus
parvulus
1918,
fulvus
rugulosus
Saether
2010],
fimbriatus
Wülker,
1959,
flavifrons
Edwards,
1929,
floralis
1915,
frigidus
(Holmgren,
1869)
gretis
imicola
1922
bathyphilus
nietus
islandicus
(Goetghebuer,
1931)
fuscus
Brundin,
1949,
vesus
longistilus
suecicus
1949],
lugens
1915
macrotrichus
lugubris
1850)
barbatus
johnsoni
1980],
nudipennis
1947,
pruinosus
1924),
signatus
nigriventris
denticulatus
simplicistilus
Freeman,
1948,
tatrensis
Gowin,
1944.
In
addition,
12
not
found
Europe
briefly
described
it
indicated
where
they
appear
species-key.
Species
reported
133
countries
or
autonomies
worldwide.
As
many
extreme
cold
places
northern
hemisphere,
mean
annual
temperature
‒10
C
more.
Altitude
records
at
4
730
m
above
sea
level
Himalayas.
Larvae
known
omnivorous,
although
predation
might
more
beneficial
growth.
Synonyms
dubious
names
reduce
number
valid
(accepted)
according
Catalogue
Life
Systema
Dipterorum
34%
After
inclusion
four
study
others
worldwide
land
69.
Язык: Английский
Morphological taxonomy and DNA barcoding: Should they be integrated to improve the identification of chironomid larvae (Diptera)?
Ecohydrology & Hydrobiology,
Год журнала:
2023,
Номер
24(1), С. 1 - 10
Опубликована: Ноя. 23, 2023
Among
freshwater
benthic
fauna,
one
of
the
most
frequently
observed
groups
insects
is
midges
family
Chironomidae
(Diptera).
Their
identification
to
species
level
by
morphology
alone
difficult
or
even
impossible
(e.g.,
at
larval
and
pupal
stages).
This
basically
results
from
their
high
phenotypic
plasticity,
existence
cryptic
species,
need
for
access
complete,
identified
individuals
comparison.
Consequently,
DNA
barcoding
becoming
more
popular.
technique
uses
sequence
base
pairs
in
a
specific
fragment
section
as
barcodes
individual
species.
method
not
only
allows
sister
but
also
facilitates
discovery
new,
previously
unknown
ones.
Despite
these
benefits,
molecular
techniques
have
some
limitations,
including
lack
complete
barcode
library
properly
purified
genetic
material.
What
needed
combine
new
taxonomic
methods
with
elementary
knowledge
about
ecology
chironomid
In
this
study,
we
attempted
compare
synthesize
advantages
disadvantages
conventional
vs.
show
benefits
integration
into
hybrid
approach.
The
suggested
seems
be
an
optimal
methodological
solution
that
includes
elements
Artificial
Intelligence
accurately
assess
communities
terms
qualitative
structure,
which
usually
indicates
biodiversity
ecosystems.
Thus,
it
fundamental
tool
assessing
natural
potential
water
bodies
according
principles
EU
Biodiversity
Strategy
2030.
Язык: Английский
New descriptions of the larval and pupal stages of Orthocladius nitidoscutellatus and Psectrocladius nevalis from Xizang, China (Diptera, Chironomidae)
Biodiversity Data Journal,
Год журнала:
2024,
Номер
12
Опубликована: Апрель 3, 2024
Tibetan
Plateau
is
one
of
the
most
typical
areas
biodiversity
in
world
because
its
unique
environmental
and
regional
units,
which
breed
biological
communities
concentrate
on
many
rare
wild
animals
plants.
Research
Chironomidae
relatively
weak.
At
present,
identification
species
mainly
depends
male
adults,
while
larvae
pupae
difficult
there
less
research
them.
During
investigations
insect
diversity
Plateau,
larval
pupal
stages
Orthocladius
nitidoscutellatus
Lundström,
1915
Psectrocladius
nevalis
Akhrorov,
1977
were
described
illustrated.
Matching
based
DNA
barcodes.
Neighbour-joining
trees
reconstructed,
known
COI
barcodes,
respectively.
Язык: Английский
Parochlus Enderlein, 1912 (Chironomidae, Podonominae) in the mountains of Chiapas, Mexico, evidences dispersal via continental America
Freshwater Science,
Год журнала:
2024,
Номер
43(3), С. 364 - 372
Опубликована: Июль 1, 2024
Язык: Английский
Common chironomids drive the biodiversity–temperature relationship during the Younger Dryas-Holocene transition in a southern Baltic coastal lake
Hydrobiologia,
Год журнала:
2023,
Номер
851(3), С. 503 - 525
Опубликована: Сен. 13, 2023
Abstract
The
Younger
Dryas-Holocene
transition
represents
a
period
of
significant
thermal
change,
comparable
in
magnitude
to
modern
warming,
yet
colder
context
and
without
the
effect
anthropogenic
disturbance.
This
is
useful
as
reference
tackle
how
biodiversity
affected
by
temperature
natural
conditions.
Here,
we
addressed
change
during
this
southern
Baltic
coastal
lake
(Konarzewo
Lake,
Poland),
inferred
chironomid
remains.
We
evaluated
changes
communities
used
Hill
numbers
explore
commonness
rarity
underlie
attributable
warming.
found
evidence
warming
at
Konarzewo
Lake
transition,
with
temperatures
Dryas
supporting
NW–SE
gradient
summer
across
Europe.
Chironomid
drastically
changed
transition.
However,
showed
no
response
when
rare
morphotypes
were
emphasized
(order
q
=
0)
or
weak
they
balanced
common
1).
number
order
2,
emphasizing
most
morphotypes,
consistently
increased
different
sample
sizes
coverages.
illustrates
rather
than
ones,
may
boost
facing
Язык: Английский
DNA barcodes and morphology reveal new species within the Rheotanytarsus guineensis species group from China (Diptera: Chironomidae)
Archives of Insect Biochemistry and Physiology,
Год журнала:
2023,
Номер
114(4)
Опубликована: Ноя. 2, 2023
The
Rheotanytarsus
guineensis
species
group
(Diptera:
Chironomidae)
is
a
diverse
and
taxonomically
difficult
group.
Using
DNA
barcodes,
we
found
five
new
within
the
R.
reviewed
based
on
adult
males
from
China.
guoae
Lin
&
Yao
sp.
n.,
miaoae
qiangi
yueqingensis
yui
n.
are
all
described
figured.
A
key
to
known
of
worldwide
provided
for
first
time.
Язык: Английский
The mystery of distribution of Smittia brevipennis (Diptera, Chironomidae, Orthocladiinae)
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 16, 2024
Abstract
Two
new
localities
for
Smittia
brevipennis
from
the
Franz-Josef
Land
Archipelago
and
Vize
Island,
Russian
Arctic,
are
reported.
A
description
of
larvae
female
imago
is
given.
Zero
rate
mutations
in
gene
COI
found
specimens
Canada,
Alaska,
Svalbard,
Island
unique
Chironomids
inhabiting
such
extensive
range
indicates
a
relatively
recent
rapid
colonization
high-Arctic
areas
by
.
Possible
routes
means
historical
dispersal
across
circumpolar
this
unusual
brachypterous
parthenogenetic
orthoclad
discussed.
Язык: Английский
A Microcosm Analysis of Species-Specific Responses of Chironomidae on Heavy Metal Pollution in The Nyanza Gulf of Lake Victoria
East African Journal of Environment and Natural Resources,
Год журнала:
2024,
Номер
7(1), С. 401 - 422
Опубликована: Сен. 3, 2024
The
Chironomidae
family,
known
as
"non-biting
midges"
in
their
adult
stage
and
"bloodworms"
larval
stage,
consists
of
diverse
dipteran
insects
inhabiting
various
global
aquatic
environments.
Despite
extensive
research,
data
on
the
polluted
Nyanza
Gulf
Lake
Victoria,
Kenya,
is
scarce,
molecular
identification
methods
have
not
been
explored.
This
study
aimed
to
quantify
heavy
metal
concentrations
water,
sediment,
insect
samples
assess
impact
Chironomid
species
identified
using
mitochondrial
DNA
barcoding
cytochrome
oxidase
subunit
1
(COI)
gene.
Analysis
Variance
was
used
determine
if
there
were
any
statistically
significant
differences
across
different
sample
types
or
locations
along
pollution
gradient.
Chironomids
collected
from
Gulf,
focusing
a
Results
showed
that
arsenic
(As),
lead
(Pb),
cadmium
(Cd)
insect,
sediment
exceeded
standard
limits,
while
mercury
(Hg)
within
limits.
Significant
variations
(p
≤
0.05)
Pb
levels
observed
water
samples,
varied
significantly
0.05),
with
showing
highest
variation
0.0001).
Insect
exhibited
0.0001)
As
Hg
contents.
Genetic
analysis
two
species:
Chironomus
transvaalensis
at
heavily
Kisumu
station
pseudothummi
moderately
Kendu
Bay
Homa
stations.
Additionally,
unique
found
Ndere
Island,
relatively
clean
site
restricted
human
activities.
Sequence
comparisons
indicated
proximity
but
also
highlighted
evolutionary
significance
uniqueness
species.
demonstrated
potential
use
genetic
determining
diversity,
community
structure,
abundance
relation
concentration.
It
suggests
may
act
selective
pressure,
driving
evolution
recommends
combining
approaches
other
sources
for
comprehensive
understanding
this
monitoring
Язык: Английский