Zootaxa,
Journal Year:
2023,
Volume and Issue:
5319(2), P. 224 - 234
Published: July 25, 2023
Brazilian
biodiversity
is
still
poorly
studied,
especially
in
the
northeast
region
of
Brazil.
In
state
Maranhão,
rich
fauna
under-explored
relation
to
Cladocera,
and
this
geographic
area
covers
four
biomes,
which
makes
it
an
important
field
research
on
Cladocera
community.
work,
record
three
species
reported:
Dadaya
macrops
Sars,
1901
first
genus
for
state,
Simocephalus
serrulatus
(Koch,
1841)
latirostris
(Stingelin,
1906).
The
work
presents
brief
descriptions
illustrations
morphology
studied
species.
Zoologia (Curitiba),
Journal Year:
2023,
Volume and Issue:
40
Published: Jan. 1, 2023
The
Taxonomic
Catalog
of
the
Brazilian
Fauna
(CTFB)
is
an
initiative
involving
effort
hundreds
researchers
in
several
institutions,
including
international
partners.
Its
main
objective
to
make
public
and
give
free
access
a
checklist
valid
species
occurring
Brazil.
This
catalog
includes
information
on
Cladocera,
group
microcrustaceans
that
occupy
inland
water
marine
ecosystems.
In
this
study,
we
evaluated
Cladocera
part
Catalog.
Among
taxa
described
or
reported,
observed
155
(37
endemic)
61
genera
(2
distributed
11
families.
European
represented
50%
all
authors
involved
descriptions
species,
collections
keep
most
primary
types,
although
many
have
types
been
lost
not
designed.
were
with
large
number
descriptions,
especially
last
15
years.
Our
findings
indicated
hydrographic
regions
(Paraná
119
species),
biomes
(Atlantic
Forest
126
species)
states,
except
state
Rondônia.
catalogue
cladoceran
fauna
should
be
improved,
as
there
are
still
geographic
ranges
sampled
Journal of Environmental Analysis and Progress,
Journal Year:
2024,
Volume and Issue:
9(1), P. 024 - 037
Published: March 8, 2024
Most
ecological
studies
have
focused
on
one
snapshot
in
a
single
location
and
the
same
taxonomic
group.
However,
relatively
few
explored
different
groups
over
multiple
periods,
particularly
ephemeral
Neotropical
ecosystems.
This
study
investigates
seasonal
dynamics
of
zooplankton
communities
their
responses
to
environmental
variables
temporary
pools
Seasonally
Dry
Forest
Ecosystem,
Pernambuco,
Brazil.
We
examined
fluctuations
species
abundance,
diversity,
evenness
Cladocera,
Copepoda,
Rotifera
five
rock
pools.
Although
these
are
meters
apart,
they
vary
considerably
size
drought
sensitivity,
leading
distinct
mediated
by
water
availability.
asked
(i)
how
do
seasonally?
(ii)
Do
shifts
differ
between
Rotifera?
And
(iii)
How
spatial
distance
influence
composition?
hypothesized
that
Cladocera
Copepoda
positively
affected
rainy
season,
but
is
mostly
common
dry
season.
Our
findings
underscore
seasonality
as
primary
driver
influencing
abundance
composition
communities.
observed
higher
during
post-rainy
was
dominant
strong
variation
evenness.
These
differences
among
highlight
importance
considering
biological
when
understanding
drivers
freshwater
International Journal of Limnology,
Journal Year:
2024,
Volume and Issue:
60, P. 3 - 3
Published: Jan. 1, 2024
Goiás
state,
situated
in
the
Cerrado
biome
harbors
several
water
bodies
belonging
to
Paraná,
São
Francisco,
and
Tocantins-Araguaia
hydrographic
regions.
However,
there
are
gaps
knowledge
about
diversity
geographic
distribution
of
aquatic
invertebrates
including
microcrustaceans
Superorder
Cladocera.
Thus,
this
study
aims
elaborate
an
updated
list
cladoceran
species
occurring
Goiás,
using
data
from
37
literature
sources
original
samples
different
ecosystems
localities.
The
history
type
publications
were
evaluated.
number
studies
between
1988
2022
richness
listed.
indicated
that
most
reporting
or
describing
for
found
papers
published
indexed
journals
(75%).
was
region
with
highest
(20).
observed
strongly
related
(
r
2
=
0.59;
p
<
0.0001).
When
observing
findings
sampling,
92
recorded
five
news
reports:
Scapholeberis
freyi
,
Grimaldina
Parvalona
parva
Chydorus
brevilabris
Picripleuroxus
quasidenticulatus
.
composition
state
should
be
considered
relevant.
is
lower
than
expected
(114
spp),
suggesting
need
increased
sampling
effort.
focus
preferably
occur
areas
lacking
information.
Nauplius,
Journal Year:
2024,
Volume and Issue:
32
Published: Jan. 1, 2024
Despite
the
recent
increase
in
knowledge
about
Brazilian
Cladoceromorpha
(Cladocera
and
Cyclestherida),
this
group
of
fauna
is
poorly
known
some
regions
country,
including
Alagoas
State.
Based
on
literature
a
few
original
samples,
present
paper
reports
35
species
from
Alagoas,
18
which
are
new
records
for
state.
The
observed
taxa
illustrated.
In
addition,
distributional
taxonomic
comments
selected
provided.
UTTAR PRADESH JOURNAL OF ZOOLOGY,
Journal Year:
2024,
Volume and Issue:
45(7), P. 159 - 168
Published: March 30, 2024
Plankton
are
important
components
of
aquatic
ecosystems
because
they
contribute
to
primary
production,
which
sustains
fisheries
and
other
ecosystem
functions.
The
study
was
carried
out
over
a
one-year
period
at
three
Ganga
River
sites:
Haridwar
(Bhadrabad)
site
A1,
Bijnor
(Balawali)
A2,
Muzaffarnagar
(Bairaj
bridge)
site.
Bacillariphyceae
made
almost
65%
the
phytoplankton
location
A1
14%
Chlorophyceae
Cynophyceae.
zooplankton
consisted
Protozoa
(80%)
Cladocera
(20%),
with
Ulvophyceae
accounting
for
7%.
At
composition
(79%)
(7%).
˃
Cynophyceae
(7%),
were
(80%),
Rotifera
(20%).
A3,
mix
shifted
(70%).
(18%)
(12%)
(60%)
accounts
40%.
Simpson
diversity
index
(D)
value
is
0.58,
whereas
zooplankton,
0.53.
mean
plankton
density
locations
A3
2059,
2959,
3304
individuals
per
liter,
respectively.
Only
dissolved
oxygen
in
physicochemical
characteristics
correlated
positively
density;
all
metrics
negatively.
Scientia Plena,
Journal Year:
2024,
Volume and Issue:
20(7)
Published: Aug. 12, 2024
Rotíferos
são
micrometazoários
predominantes
em
ecossistemas
aquáticos
continentais,
diversos
biótopos,
seja
no
plâncton,
perifíton
e
até
mesmo
na
zona
hiporreica.
O
presente
estudo
teve
como
objetivo
inventariar
a
assembleia
de
Rotifera
uma
área
do
Pantanal
Marimbus,
Baiano,
Chapada
Diamantina,
estado
da
Bahia.
Amostras
foram
coletadas
dois
períodos:
“águas
altas”
baixas”.
Em
cada
período,
as
amostragens
realizadas
plâncton
(30
amostras,
cada),
totalizando
60
amostras
por
período.
Foram
registrados
48
taxa
infragenéricos
distribuídos
13
famílias
20
gêneros,
sendo
11
considerados
novas
ocorrências
para
o
A
família
Lecanidae
foi
mais
representativa
termos
riqueza
(21
taxa),
abundância
Frequência
Ocorrência
(%).
Brachionidae,
Trichocercidae,
Lepadellidae
Synchaetidae
também
destacaram
alguns
desses
atributos
mencionados.
expressiva
observada
biótopo
planctônico
(44
taxa)
quando
comparado
ao
(37
período
“água
baixas”
(34
taxa).
alagada
Marimbus
exibe
grande
espécies
Rotifera,
predominando
formas
não
planctônicas,
que
pode
ser
devido
à
presença
das
macrófitas
aquáticas
promovendo
heterogeneidade
ambiental
diversidade
rotíferos
neste
ambiente
peculiar.
Nossos
resultados
ampliam
distribuição
conhecida
Brasil
contribuem
conhecimento
Bahia,
especialmente
com
primeiro
registro
deste
grupo.
Acta Amazonica,
Journal Year:
2024,
Volume and Issue:
54(spe1)
Published: Jan. 1, 2024
ABSTRACT
The
genus
Kurzia,
initially
described
in
1894
by
Dybowski
and
Grochowski,
has
a
worldwide
distribution
includes
eight
species.
In
Brazil,
Kurzia
polyspina
is
so
far
the
only
species
considered
valid.
Here
we
report
first
record
of
media
second
South
America.
material
was
collected
lake
Amazonian
region
Brazilian
state
Maranhão.
addition,
provide
some
considerations
about
taxonomic
history
discuss
need
for
redescription
designation
neotype
K.
media.
With
our
record,
now
two
known
occurrence
localities
northern
North
America
tropical
America,
with
widely
disjunct
that
needs
further
elucidation.
