Marine and Freshwater Research,
Год журнала:
2019,
Номер
70(5), С. 647 - 647
Опубликована: Янв. 1, 2019
Healthy
plankton
communities
are
the
foundation
of
many
freshwater
food
webs.
Their
biodiversity
is
often
used
to
directly
reflect
health
rivers.
Globally,
river
ecosystem
restoration
a
critical
issue
and
ecosystems,
especially
in
cities,
degraded
because
intensive
human
activities.
This
true
for
Jinan,
China’s
first
pilot
city
Water
Ecological
Civilisation
Project.
The
outcomes
aquatic
will
affect
success
or
failure
construction
ecological
civilisations
across
entire
country;
therefore,
there
an
urgent
need
research
on
assessment
Jinan
based
biodiversity.
As
such,
this
study
gathered
data
distribution
(phytoplankton
zooplankton)
by
collecting
three
sets
samples
from
59
monitoring
stations
spring,
summer
autumn
2015.
In
all,
104
species
phytoplankton
56
zooplankton
were
identified.
Diatoms,
Chlorophyta,
Cyanophyta
accounted
50,
31
15%
respectively
phytoplankton,
rotifers,
Protozoa
cladocerans
39,
17%
zooplankton.
We
constructed
model
Shannon–Wiener
diversity
index
analysis
temporal
spatial
distribution.
According
overall
diagram,
spatially
status
was
significantly
better
north
south
than
centre;
temporally,
spring
water
autumn.
These
conclusions
provide
theoretical
basis
direction
ecosystems
methods
can
serve
as
reference
evaluation
developing
countries.
Sustainability,
Год журнала:
2023,
Номер
16(1), С. 36 - 36
Опубликована: Дек. 19, 2023
This
article
presents
a
methodological
approach
that
can
more
effectively
solve
environmental
problems
related
to
the
activities
of
oil
companies.
Traditionally,
factors
have
been
seen
as
merely
an
additional
cost
obstructs
economic
development.
The
contribution
authors’
lies
in
fact
it
substantiates
need
and
possibility
increase
potential
for
functioning
development
country,
case
Mexico,
while
considering
on
scientific
basis.
study
proposes
methodology
and,
therefore,
selection
strategy
Mexico’s
industry,
ensuring
its
efficiency
sustainability
territorial
presented
this
develops
concept
sub-potentials,
which
include
sub-potentials
reproduction,
protection,
management
development,
reserve.
Sub-potentials,
particularly
protection
sub-potential,
integrate
components.
Neglecting
leads
threat
deterrence.
Environmental
are
analyzed
part
unified
when
presenting
formation
comprehensive
system
indicators
using
guidelines
three-dimensional
assessment
criteria
country’s
gas
sector.
consequence
is
integration
component
sector
into
socio-economic
strategy.
achieve
goals.
Consequently,
incorporating
aspect
based
proposed
permits
effective
utilization
society’s
limited
resources.
application
systematic
approach,
encompassing
all
levels
sustainable
strategic
development—the
company,
country—also
yields
synergies.
Fisheries Management and Ecology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 22, 2025
ABSTRACT
Anthropogenic
structures,
such
as
dams,
delay,
injure
and
kill
during
downstream
migrating
silver‐phase
Anguillid
eels.
To
enhance
spawner
escapement
from
rivers,
efforts
are
being
made
to
develop
devices
that
guide
eels
towards
safe
passage
routes.
We
tested
the
ability
of
a
strobing
light
array
deflect
European
silver
(
Anguilla
anguilla
)
by
comparing
distribution
eel
catches
in
series
nets
when
lights
were
on
(treatment
periods)
off
(control
periods).
Deflection
efficiency
was
80.6%
(95%
CL
=
74.3%–85.3%),
estimated
proportion
total
biomass
captured
located
immediately
control
treatment
periods.
Eels
caught
periods
(Mean
±
S.E.;
452
11
mm)
significantly
smaller
than
those
(538
8
mm),
which
suggested
less
capable
avoiding
array.
Future
research
should
determine
specifications
for
operation
strobe
arrays,
including
effects
intensity
rate,
angle
deployment,
environmental
factors
deflection
efficiency.
Inland Waters,
Год журнала:
2019,
Номер
10(2), С. 241 - 255
Опубликована: Дек. 18, 2019
In
European
countries,
hydromorphological
(HyMo)
pressures
are
the
second
most
commonly
occurring
types
of
on
aquatic
ecosystems
(after
eutrophication).
HyMo
(i.e.,
man-made
alterations
to
hydrology
and
morphometry
ecosystems)
impact
functioning
lakes
rivers
in
multiple
ways.
Initially,
they
have
profound
effects
littoral
communities,
such
as
macrophytes,
benthic
invertebrates,
fish.
Ultimately,
result
pervasive
alteration
whole-lake
ecosystems.
Extensive
efforts
been
devoted
development
ecological
assessment
methods
management
measures
focusing
mainly
eutrophication,
whereas
less
understood
not
properly
addressed.
We
attempted
clarify
conceptual
background,
highlight
achievements
method
development,
including
pressure–response
relationships
metrics
used
assessment,
underscore
issues
requiring
urgent
attention.
concluded
that
currently
biological
do
reliably
address
alterations.
The
need
develop
specifically
responding
measure
necessary
variables
routine
monitoring
programs
is
urgent.
This
review
paper
also
serves
an
introductory
article
a
small
special
series
papers
impacts
water
level
fluctuations.
Papers
this
include
updated
literature
fluctuations
lake
macroinvertebrates,
indicators
natural
artificial
lakes,
addressing
between
fluctuation
spatial
temporal
patterns
cladoceran
communities
dammed
lake.
Water,
Год журнала:
2020,
Номер
12(3), С. 779 - 779
Опубликована: Март 11, 2020
Freshwater
ecosystems
are
among
the
systems
most
threatened
and
impacted
by
anthropogenic
activities,
but
there
is
still
a
lack
of
knowledge
on
how
this
multi-pressure
environment
impacts
aquatic
communities
in
situ.
In
Europe,
nutrient
enrichment
temperature
increase
due
to
global
change
were
identified
as
two
main
pressures
lakes.
Therefore,
we
investigated
interaction
these
community
structure
extreme
components
lake
food
webs:
phytoplankton
fish.
We
modelled
relationship
between
(abundance,
composition,
size)
environmental
conditions,
including
pressures.
Different
patterns
response
highlighted.
Four
metrics
responded
only
one
pressure
metric
additive
effect
Two
fish
(average
body-size
biomass
ratio
perch
roach)
eutrophication,
revealing
that
was
dependent
magnitude
second
pressure.
From
management
point
view,
it
appears
necessary
consider
type
strength
interactions
when
assessing
sensitivity
communities,
otherwise
their
vulnerability
(especially
change)
could
be
poorly
estimated.
Sustainability,
Год журнала:
2020,
Номер
12(7), С. 2963 - 2963
Опубликована: Апрель 8, 2020
Eutrophication
is
one
of
the
major
threats
to
quality
water
in
high
mountain
lakes.
The
inflow
elements
having
biological
origin
may
significantly
aggravate
ecological
status
those
ecosystems.
For
this
reason,
aim
study
was
map
and
assess
impact
anthropogenic
pressure
on
alpine
lakes
valley
Dolina
Pięciu
Stawów
Polskich
(known
English
as
Valley
Five
Polish
Lakes)
Tatra
National
Park
Poland.
effects
tourism
easy
access
changes
their
were
determined.
Tourist
trails
evaluated
based
difficulty
surface
analyzed
lakes,
with
a
method
developed
for
assessing
aquatic
method,
deployed
first
time
2019,
modified
adapted
local
environmental
conditions
research
area.
results
indicate
that
contributes
growth
submerged
vegetation
presence
plants
(including
vascular
plants)
shows
ecosystem
response
enrichment
biogenic
substances.
present
findings
used
formulate
practical
recommendations
propose
modifications
hiking
trails.
can
support
analysis
control
tourist
traffic,
thus
reducing
national
parks
located
areas.
Ecological Indicators,
Год журнала:
2023,
Номер
153, С. 110425 - 110425
Опубликована: Май 30, 2023
Fish
are
an
important
component
of
aquatic
ecosystems,
thus
representative
and
reliable
assessments
their
population
variables
essential
for
a
variety
ecological
applications,
management
conservation.
Determining
Density
per
actual
Spatial
Unit
(volume
or
area,
FDSU)
as
measure
absolute
fish
quantity
is
particular
interest.
Gillnets
undoubtedly
one
the
most
common
methods
assessing
populations
in
large
lentic
waters.
However,
direct
calculating
FDSU
from
gillnet
catches
impossible
because
passive
nature
this
method,
to
date
there
no
model
catches.
This
weakness
largely
limits
use
data
applications
requiring
estimates.
The
aim
study
was
calibrate
using
obtained
by
active
(beach
seine
nets
hydroacoustics)
develop
tool
To
achieve
goal,
we
compared
biomass
estimated
methods,
both
which
cover
similar
spatiotemporal
niches.
comparison
performed
statistical
approach
based
on
recognition
non-negligible
random
measurement
error
explanatory
(active
methods)
response
(gillnets)
variables.
We
found
strong
positive
linear
relationship
between
biomasses
sampled
with
gillnets
methods.
slope
fitted
when
comparing
two
method
used
allowed
inclusion
estimates
refining
credible
intervals
relationship.
effect
effort
accuracy
simulated
show
how
increased
narrows
interval.
Finally,
previously
published
relationships
revealed
but
explainable
discrepancy
our
previous
models.
Our
showed
that
conversion
spatial
unit
possible.
effective
sampling
area
square
meter
determined
be
8
m2
waterbody
surface
European
standard
12
mesh-sizes
used,
5
four
larger
meshes
added
gillnets.
further
stressed
impact
reducing
estimation
variability
shows
may
dependent
community.
