Anais da Academia Brasileira de Ciências,
Год журнала:
2021,
Номер
93(suppl 3)
Опубликована: Янв. 1, 2021
Studies
considering
the
functional
traits
of
organisms,
populations,
and
communities
indices
increase
understanding
many
factors
on
ecosystem
functioning.
Here,
we
analyze
predation
effect
(by
fish)
zooplankton
diversity
effects
biomass
density
periphytic
algae
feeding
type
trait
body
size.
We
expect
that
intense
by
fish
leads
to
higher
values
food
resource
will
be
positively
related
abundance
For
that,
microcosms
were
established
(T1-
fish-absence,
T2-
fish-presence,
both
with
as
food).
observed
presence
decreased
through
modifications
in
availability
nutrients
algae,
middle-out
effect.
also
size
had
a
negative
relationship
resource,
reaffirming
high
subtropical
lakes
is
linked
small-bodied
zooplankton.
The
raptorial
copepods
covariate
which
was
an
alternative
and,
this
case,
main
form
carbon
input
into
system.
In
study,
omnivorous
reduced
traits,
can
alter
energy
stock
flow
aquatic
ecosystems.
International aquatic research.,
Год журнала:
2019,
Номер
11(3), С. 207 - 223
Опубликована: Июль 17, 2019
Functional
traits
are
ecologically
relevant
characteristics
of
species.
They
to
community
structuring
in
face
environmental
drivers
(response
traits)
and
ecosystem
processes
(effect
traits).
For
planktonic
microcrustaceans,
the
link
between
functional
their
responses
or
effects
is
not
always
clear.
Our
objective
was
review
literature
on
linking
for
cladocerans
copepods.
Response
discussed
four
categories:
morphological,
life
history,
behavioral,
physiological.
Temperature,
predation,
resources,
stressors
important
morphological
life-history
traits.
Body
size,
a
trait,
probably
most
because
it
responds
several
correlated
with
physiological
zooplankton
impact
ecosystems
functions.
In
an
perspective,
energy
primary
producers
secondary
consumers.
trophic
webs,
may
control
phytoplankton
biomass
productivity,
consequences
whole
lakes.
Its
influence
carbon,
nitrogen,
phosphorus
cycles
expected
increase
body
size.
Other
be
important,
but
there
lack
information.
We
point
out
need
more
trait
research,
especially
freshwater
copepods
neglected
tropical
better
understanding
natural
systems,
integrative
approach
multiple
functions
necessary.
Water,
Год журнала:
2023,
Номер
15(9), С. 1678 - 1678
Опубликована: Апрель 25, 2023
Despite
the
key
role
of
zooplankton
communities
in
regulating
water
quality
lentic
ecosystems,
they
are
absent
from
list
biological
elements
Water
Framework
Directive
(WFD)
for
assessment
ecological
status.
Based
on
this,
present
work
was
a
case
study
that
aimed
to
understand
relevance
as
bioindicator
classifying
reservoirs.
For
one
year
and
each
season,
Torrão
reservoir
assessed
using
mandatory
proposed
by
WFD
sampling
(second
cycle)
legislation
currently
applicable
(third
cycle).
Additionally,
samples
were
collected
characterize
community
dynamic.
The
does
not
reach
good
potential.
Furthermore,
with
updating
criteria,
classification
tends
get
worse.
Concerning
zooplankton,
occurrence
Cyclopoida
Bosmina
associated
lower
quality,
well
collapse
or
low
abundance
Daphnia
population,
same
periods.
Low
abundances
better
Shannon-Wiener
diversity
values
decrease
increase
trophic
state.
High-efficiency
feed
filters
macrofiltrator
organisms
dominate
all
seasons,
which
is
quality.
Calanoida/Cyclopoida
ratio
shows
strong
negative
association
species,
diversity,
functional
groups
(high
efficiency
macrofiltrators),
different
ratios
(large
Cladocera/total
Cladocera
Calanoida/Cyclopoida)
promising
valuable
tools
determine
status,
should
be
considered
within
metrics.
Notwithstanding
further
research
including
reservoirs
geographical
areas
various
status
pressures
must
analyzed.
Frontiers in Environmental Science,
Год журнала:
2022,
Номер
10
Опубликована: Март 31, 2022
In
recent
years,
lakes’
water
quality
and
quantity
have
been
affected
damaged
by
agricultural
activities.
The
sensitivity
of
phytoplankton
to
the
hydrological
environment
can
effectively
indicate
health
aquatic
ecosystem
change
in
quality.
Understanding
changes
communities
lakes
contaminated
agriculture
may
contribute
determining
directions
protection
these
bodies
provide
reference
cases
for
wider
research.
It
is
found
that
there
are
146
species,
63
genera,
8
phyla
phytoplankton,
including
57
species
Bacillariophyta,
46
Chlorophyta,
17
Cyanobacteria
Euglenophyta.
total
abundance
was
changed
successively
with
Bacillariophyta
(75%
June),
(50%
July–August),
Chlorophyta
September–October).
biomass
decreased
continuously
over
time.
highest
October
(67.4%),
diatoms
most
other
months
(76.5%).
Redundancy
analysis
indicated
main
environmental
factors
affecting
phytoplankton’s
dynamic
salt,
temperature,
phosphorus,
5-day
biochemical
oxygen
demand.
be
divided
into
21
functional
groups.
MP
group
has
frequency,
mainly
distributed
frequently
stirred
turbid
shallow
water.
Representative
groups
high
degree
eutrophication
nutrient-rich
conditions
good
associated
slow
flow
rate.
With
seasonal
irrigation
drainage,
Xinmiao
Lake
began
deteriorate
from
medium
pollution
July
reached
serious
finally.
Furthermore,
this
research
discovered
risk
cyanobacteria
bloom
summer,
primarily
when
thermal
stratification
occurs.
This
study
provides
necessary
information
understanding
predicting
community
caused
increase
nutrients,
human
disturbance,
temperature
eutrophic
areas.
Limnology and Oceanography,
Год журнала:
2023,
Номер
unknown
Опубликована: Дек. 22, 2023
Abstract
Compiling
trait
information
promotes
discovery
and
innovation
in
using
trait‐based
approaches
ecology.
Various
zooplankton
datasets
are
stored
unlinked
data
repositories,
diverse
structures,
have
varying
levels
of
complexity.
These
require
standardization
harmonization
to
allow
interoperability
limit
the
duplication
efforts
time‐consuming
error‐prone
task
compilation.
This
study
aggregated
harmonized
33
traits
supplemented
these
with
more
than
150
references
into
a
single
database
an
initial
set
56
for
3535
marine
species.
The
has
long
table
structure
entity‐attribute‐value
format
includes
taxonomic
ancillary
metadata,
source
provenance
preserving
how
were
originally
recorded.
is
both
at
individual
level
(Level
1)
as
species
means
2).
Level
1
57,615
rows
records
2
14,977
unique
trait‐taxon
records.
We
evaluated
coverage
data,
representation,
strategies
filling‐in
gaps.
Comparison
value
estimation
identified
allometric
scaling
be
accurate
taxon‐level
generalization
imputation.
centralized
aims
extendable
future‐proof
promote
sharing,
FAIR
(findable,
accessible,
interoperable,
reusable)
practices,
reproducibility.
Water,
Год журнала:
2021,
Номер
13(14), С. 1881 - 1881
Опубликована: Июль 7, 2021
Zooplankton
as
an
essential
component
in
the
pelagic
food
web
are
directly
linked
to
ecosystem
functioning.
Therefore,
comprehension
of
zooplankton
functional
diversity
(FD)
and
its
responses
environmental
changes
is
crucial
for
ecosystem-based
view.
To
identify
FD
drivers,
we
analysed
25
years
summer
data
on
brackish
mesozooplankton
community
(including
rotifers,
cladocerans,
copepods,
meroplankton)
from
eutrophied,
shallow
Gulf
Riga
(Baltic
Sea).
We
established
that
within
Riga,
open
waters
notably
different
coastal
regions
based
dynamics
hydrological
conditions
(temperature,
salinity),
cyanobacterial
dominance,
abundance
groups,
indices.
Competition
over
resources
combination
with
hydrodynamic
features
predation
by
adult
herring
were
seemingly
central
structuring
mechanism
behind
metrics
(richness,
evenness,
divergence,
dispersion)
communities.
Whereas
young
was
important
driver
only
communities
waters.
Cyanobacterial
used
a
proxy
quality
availability,
had
no
effect
metrics.
