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.
Zootaxa,
Journal Year:
2025,
Volume and Issue:
5569(3), P. 541 - 548
Published: Jan. 14, 2025
We
investigated
the
morphological
variations
of
Camptocercus
dadayi
Stingelin,
1913
in
different
populations
across
South
America
(Argentina,
Brazil,
Chile,
and
Colombia)
under
optical
microscope.
Significant
were
observed
morphology
postabdomen,
especially
patterns
marginal
denticles,
lateral
fascicles
terminal
claw.
The
follow
a
geographic
pattern
throughout
America.
These
suggest
morphologic
diversity
species,
highlighting
importance
variation
studies
for
accurate
identification
delimitation
species
within
Camptocercus.
Diversity,
Journal Year:
2025,
Volume and Issue:
17(3), P. 217 - 217
Published: March 18, 2025
The
Rotifera
fauna
of
the
Peruvian
Andes
remains
significantly
understudied,
as
evidenced
by
our
findings
from
a
limited
sampling
effort
18
locations
(15
samples
Cusco
region
and
three
Lake
Titicaca).
We
identified
12
Monogononta
species
Bdelloidea
potential
new
records
for
Peru,
underscoring
region’s
remarkable
but
largely
unexplored
biodiversity.
Particularly
notable
is
addition
seven
potentially
to
Peru’s
in
Titicaca
based
on
only
samples,
despite
well-documented
zooplankton
research
history
this
lake.
This
emphasizes
need
more
comprehensive
studies
targeting
Titicaca,
especially
littoral
zones
rich
microhabitats.
Besides
investigation
mainly
focused
high-altitude
groundwater-dependent
habitats
high
region,
where
had
not
been
studied.
Among
there,
five
likely
represent
Peru.
These
highlight
extent
biodiversity
emphasize
urgent
taxonomy
Additionally,
has
two
Neotropics:
Notommata
voigti
Macrotrachela
musculosa.
Journal of Plankton Research,
Journal Year:
2024,
Volume and Issue:
46(6), P. 644 - 653
Published: Nov. 1, 2024
Abstract
The
metacommunity
theory
aims
to
understand
the
species
dynamics
at
different
scales
by
considering
influence
of
local
and
regional
processes.
We
conducted
a
systematic
review
zooplankton
studies
in
global
aquatic
ecosystems
(freshwater,
marine
estuarine)
looking
for
distribution,
time
scale,
type
system,
environment,
group
tested,
ecological
approach
analyzed
studies.
also
present
an
overview
observed
patterns
environmental
conditions.
searched
scientific
published
until
December
2022
on
Scopus
Web
Science
using
words:
“zooplankton”
“metacomunnit*.”
Our
results
show
that
have
become
recurrent
over
(167
studies),
especially
pond
systems
groups
rotifers,
cladocerans
copepods;
however,
several
gaps
remain
related
distribution
low
number
streams,
reservoirs,
with
functional
phylogenetic
diversity,
elements
structure.
data
improve
knowledge
time,
help
identify
need
be
explored
future
bring
general
metacommunity.
Ecology and Evolution,
Journal Year:
2023,
Volume and Issue:
13(2)
Published: Feb. 1, 2023
Abstract
Freshwaters
are
among
the
most
vulnerable
ecosystems
to
climate
warming,
with
projected
temperature
increases
over
coming
decades
leading
significant
losses
of
aquatic
biodiversity.
Experimental
studies
that
directly
warm
entire
natural
in
tropics
needed,
for
understanding
disturbances
on
communities.
Therefore,
we
conducted
an
experiment
test
impacts
predicted
future
warming
density,
alpha
diversity,
and
beta
diversity
freshwater
communities,
inhabiting
microecosystems—Neotropical
tank
bromeliads.
Aquatic
communities
within
tanks
bromeliads
were
experimentally
exposed
temperatures
ranging
from
23.58
31.72°C.
Linear
regression
analysis
was
used
warming.
Next,
distance‐based
redundancy
performed
assess
how
might
alter
total
its
components.
This
across
a
gradient
habitat
size
(bromeliad
water
volume)
availability
detrital
basal
resources.
A
combination
highest
detritus
biomass
higher
experimental
resulted
greatest
density
flagellates.
However,
flagellates
declined
volume
lower
biomass.
Moreover,
high
reduced
copepods.
Finally,
changed
microfauna
species
composition,
mostly
through
substitution
(
β
repl
component
beta‐diversity).
These
findings
indicate
strongly
structures
by
reducing
or
increasing
densities
different
groups.
It
also
enhances
beta‐diversity,
many
these
effects
modulated
Limnologica,
Journal Year:
2023,
Volume and Issue:
100, P. 126081 - 126081
Published: April 26, 2023
Colombia
is
a
global
biodiversity
hotspot,
yet
its
zooplankton
fauna
remains
poorly
explored.
In
Colombian
inland
waters,
253
species
of
rotifers,
119
cladocerans
and
82
copepods
(not
included
benthic
species)
have
been
reported,
in
contrast
with
only
14
genera
protozoa.
Most
publications
report
on
the
Magdalena-Cauca
basin,
highest
number
records
for
lowland
areas
(<
1000
m.a.s.l.).
The
least
explored
regions
are
Chocó,
Orinoco
Amazon
basins.
checklists
often
include
several
taxa
recognized
as
groups
cryptic
or
ones
described
cosmopolitan.
Integrative
taxonomic
approaches
scarce,
diversity
data
need
to
be
validated
by
molecular
analyses
detailed
morphological
descriptions
using
optical
scanning
electron
microscopy.
Historical,
regional,
local
environmental
factors
that
explain
richness,
distribution,
abundance
include:
water
bodies
size,
hydrological
connectivity,
trophic
status;
physical
stability
and,
hydro-climatic
patterns
variation.
analysis
ecosystem
processes
related
communities
highlights
importance
detritus
an
alternative
energy
flow
path
aquatic
ecosystems
at
all
altitude
ranges.
We
propose
strengthen
regional
studies
functional
groups,
ecological
redundancy,
adaptive
traits
evaluate
responses
climatic,
stressors.
Due
great
extensive
altitudinal
gradient
Colombia,
it
necessary
expand
coverage
understand
role
functioning.
