Revista de Gestão Social e Ambiental,
Год журнала:
2024,
Номер
18(2), С. e07603 - e07603
Опубликована: Июль 1, 2024
Objective:
This
study
aimed
to
analyze
the
evolution
of
theoretical
field
on
impacts
environmental
disasters
caused
by
mining
activities.
Method:
To
carry
out
this
study,
a
systematic
literature
review
was
used
as
methodological
resource,
and
articles
in
portfolio
were
analyzed
using
PRISMA
protocol.
Results
Discussion:
Based
analysis,
relevant
distribution
identified
between
years
investigated,
discussions
focused
themes
such
effects
ecosystem
(rivers,
lakes,
flora
fauna)
well
social
economic
aspects
linked
disasters.
Conclusion:
There
is
recurrence
studies
dealing
with
Brazil
consolidation
negative
externalities
these
events.
Applied Geochemistry,
Год журнала:
2023,
Номер
152, С. 105644 - 105644
Опубликована: Март 25, 2023
Understanding
the
geochemistry
and
contamination
of
rivers
affected
by
rupture
tailings
dams
is
paramount
to
emergency
water
resources
management.
This
needs
long-term
monitoring
tailings,
sediments
along
river,
understanding
how
interact
physically
geochemically
with
natural
flowing
water.
An
effort
this
kind
uncommon
because
its
cost
opportunity.
The
purpose
study
was
help
filling
gap
using
B1
dam
(Brumadinho,
Minas
Gerais,
Brazil,
25
January
2019)
as
example.
To
accomplish
objective,
31
parameters
sediment
were
monitored
weekly
for
three
years
after
event,
spanning
impacted
non-impacted
sectors
Paraopeba
River,
including
a
reservoir
that
attenuating
propagation
downstream.
Using
hierarchical
clustering
analysis,
assembled
into
groups.
Associations
between
within
groups
pointed
processes
drivers
controlling
concentrations
Fe,
Mn,
Al,
As,
Pb
P
in
results
suggested
reductive
dissolution
Pb-
Mn-bearing
minerals
key
process.
In
rainy
period,
dissolved
Mn
sector
raised
exponentially
temperature
increase;
reservoir,
they
showed
episodic
peaks
triggered
thermal
stratification-related
pH
decreases.
general,
total
>
indicating
predominant
particle
transport.
Besides,
higher
Al
season,
sector.
dry
stream
flow-controlled
resuspension
desorption
Fe
from
sand
grains
raising
their
concentrations.
declining
trend
probably
related
erosion
acid
soils
watershed
caused
gradual
increases
P,
desorbed
clays
silts.
main
conclusion
left
strong
fingerprint
especially
which
lasts
keeps
use
River
suspended.
Freshwater Biology,
Год журнала:
2024,
Номер
69(7), С. 945 - 958
Опубликована: Май 23, 2024
Abstract
Tragic
incidents
involving
mine
tailings
spills
have
impacted
many
aquatic
ecosystems
around
the
world.
The
massive
dam
collapse
of
Fundão,
which
occurred
in
Brazil
2015,
affected
several
ecosystems,
including
shallow
and
deep
lakes
lower
Doce
River
basin.
Until
now,
effects
on
functional
diversity
zooplankton
remain
poorly
understood.
We
investigated
(functional
groups,
richness
[FRic]
evenness
[FEve])
lakes,
exploring
influence
environmental
variables
metals.
In
addition,
trends
redundancy
vulnerability
were
also
assessed
to
understand
patterns
resilience
mining‐impacted
ecosystems.
Surveys
performed
monthly
three
by
failure,
from
October
2018
September
2019.
community
was
dominated
smaller
filter‐feeders
omnivorous
species,
associated
with
cyanobacteria
density
chlorophyll‐
a
.
Medium‐sized
filters
iron,
suspended
particulate
organic
matter
total
carbon
lakes.
trophic
groups
had
higher
contribution
increasing
than
medium‐sized
both
FRic
FEve
Shallow
highly
vulnerable
species
loss
modulated
changes
metal
pollution.
Tropical
mining
should
receive
particular
attention
conservation
plans,
as
consequence
their
high
level
pollutant
retention
comparison
we
highlight
importance
using
approach
better
ecosystem
resulting
impacts
environments.
Environmental Science and Pollution Research,
Год журнала:
2024,
Номер
31(28), С. 40795 - 40817
Опубликована: Июнь 1, 2024
Abstract
This
review
elucidated
the
recent
advances
in
integrating
microalgal
communities
monitoring
metal
pollution
aquatic
ecosystems
of
sub-Saharan
Africa
(SSA).
It
also
highlighted
potential
incorporating
microalgae
as
bioindicators
emerging
technologies,
identified
research
gaps,
and
suggested
directions
for
further
biomonitoring
pollution.
Reputable
online
scholarly
databases
were
used
to
identify
articles
published
between
January
2000
June
2023
synthesis.
Results
indicated
that
integrated
either
individually
or
combined
with
other
bioindicators,
mainly
macroinvertebrates,
macrophytes,
fish,
alongside
physicochemical
monitoring.
There
was
a
significantly
low
level
integration
(<
1%)
SSA
compared
geographical
regions.
Microalgal
employed
assess
compliance
(76%),
diagnosis
(38%),
early-warning
systems
(38%)
ecological
health
status.
About
14%
studies
eDNA,
while
such
remote
sensing,
artificial
intelligence,
biosensors,
are
yet
be
incorporated.
Nevertheless,
there
is
aforementioned
technologies
SSA.
Future
region
should
consider
standardisation
synchronisation
integrative
embrace
“Citizen
Science”
concept
at
national
regional
scales.
Graphical
abstract
