Environmental Quality Management,
Год журнала:
2024,
Номер
34(2)
Опубликована: Окт. 8, 2024
ABSTRACT
Physicochemical
parameters,
chlorophyll
a
(Chl
a)
concentration,
and
phytoplankton
community
structure
were
assessed
in
the
Wouri
estuarine
mangrove
sector
of
Douala
Bassa
Industrial
Zone
Cameroon
over
two
seasons.
Three
sets
water
samples
collected
from
10
sites
for
these
analyses.
Some
physicochemical
parameters
measured
situ
using
multiparameter
equipment
(HANNA
8289).
The
data
subjected
to
analyses
significant
difference
by
an
independent
sample
t
‐test.
Correlation
principal
component
analysis
conducted
between
variables
Temperature,
salinity,
total
dissolved
solids
(TDS),
resistivity,
turbidity
showed
strong
seasonal
variation
among
sites.
Mean
Chl
concentration
(3.7–48.29
µg/L
dry
0.1–20.1
rainy
season)
revealed
that
most
eutrophic,
with
Euglenophycean
index
less
than
1
all
Phytoplankton
species
richness
exhibited
spatial
variation,
74
taxa
51
seasons,
respectively.
division
Bacillariophyta
was
abundant,
19
families
24
during
season
17
16
season.
Other
divisions
present
included
Chlorophyta
>
Cyanophyta
Charophyta
Myzozoa
Euglenophyta
season;
diverse
Rhodophyta
Cryptophyta
Xanthophyta
Euglenophyta.
High
concentrations
nutrients
presence
eutrophic
such
as
Microcystis
aeruginosa
suggest
pollution
need
monitor
activities
carried
out
along
course
respect
quantity
quality
industrial
effluents
discharged
into
stream.
observed
eutrophication
explains
noxious
odor
across
city
Douala,
especially
human
health
implications
could
be
severe,
communities
dependent
on
this
contaminated
stream
fish
other
necessities
scenario
repeats
itself
urban
wetlands
zones
globally.
Journal of Crohn s and Colitis,
Год журнала:
2024,
Номер
18(9), С. 1415 - 1429
Опубликована: Апрель 12, 2024
Epidemiological
data
regarding
inflammatory
bowel
disease
[IBD]
are
lacking,
in
particular
for
occupationally
exposed
populations.
We
investigated
whether,
among
the
entire
French
farm
manager
[FM]
workforce,
certain
agricultural
activities
more
strongly
associated
with
IBD
than
others.
Fishes,
Год журнала:
2025,
Номер
10(2), С. 46 - 46
Опубликована: Янв. 26, 2025
Sea
cucumbers
are
valuable
in
aquaculture,
but
their
cultivation
faces
challenges
from
diseases
such
as
skin
ulceration
syndrome
caused
by
Vibrio
alginolyticus
(VA).
This
study
aimed
to
isolate
and
identify
probiotics
capable
of
combating
VA
improving
sea
cucumber’s
growth
performance.
Pathogenic
was
identified,
through
16S
rDNA
sequencing,
confirming
its
high
genetic
similarity
(>99%)
alginolyticus.
Two
Bacillus
strains,
licheniformis
YB-1,
megaterium
YB-2,
were
isolated
potential
probiotics,
with
identification
supported
phylogenetic
analysis
deposition
microbial
culture
collections.
They
demonstrated
strong
antibacterial
activity
against
vitro
without
exhibiting
antagonism
when
combined.
Probiotic
tolerance
environmental
stressors
observed,
while
feeding
trials
revealed
significant
improvements
cucumbers,
the
highest
specific
rates
observed
at
1
×
106
CFU/mL
for
both
strains.
Immersion
challenge
tests
showed
that
treated
exhibited
reduced
symptoms
rotten
higher
survival
rates.
The
optimal
combination
YB-1
viable
bacteria
concentrations
5
107
each,
achieved
a
55%
rate
after
challenge,
demonstrating
synergistic
efficacy.
These
findings
suggest
YB-2
offer
promising
probiotic
solutions
enhancing
cucumber
health
resistance
infections
aquaculture.
Remote Sensing,
Год журнала:
2025,
Номер
17(4), С. 608 - 608
Опубликована: Фев. 11, 2025
Harmful
algae
blooms
(HABs)
pose
critical
threats
to
aquatic
ecosystems
and
human
economies,
driven
by
their
rapid
proliferation,
oxygen
depletion
capacity,
toxin
release,
biodiversity
impacts.
These
blooms,
increasingly
exacerbated
climate
change,
compromise
water
quality
in
both
marine
freshwater
ecosystems,
significantly
affecting
life
coastal
economies
based
on
fishing
tourism
while
also
posing
serious
risks
inland
bodies.
This
article
examines
the
role
of
hyperspectral
imaging
(HSI)
monitoring
HABs.
HSI,
with
its
superior
spectral
resolution,
enables
precise
classification
mapping
diverse
species,
emerging
as
a
pivotal
tool
environmental
surveillance.
An
array
HSI
techniques,
algorithms,
deployment
platforms
are
evaluated,
analyzing
efficacy
across
varied
geographical
contexts.
Notably,
sensor-based
studies
achieved
up
90%
accuracy,
regression-based
chlorophyll-a
(Chl-a)
estimations
frequently
reaching
coefficients
determination
(R2)
above
0.80.
quantitative
findings
underscore
potential
for
robust
HAB
diagnostics
early
warning
systems.
Furthermore,
we
explore
current
limitations
future
management,
highlighting
strategic
importance
addressing
growing
economic
challenges
posed
paper
seeks
provide
comprehensive
insight
into
HSI’s
capabilities,
fostering
integration
global
strategies
against
proliferation.
The Lancet Planetary Health,
Год журнала:
2025,
Номер
9(2), С. e134 - e144
Опубликована: Фев. 1, 2025
Ongoing
global
climate
change
is
affecting
all
aspects
of
life
on
Earth,
including
human
health.
The
gut
microbiota
an
important
determinant
health
in
humans
and
other
organisms,
but
how
affects
remains
largely
unexplored.
In
this
Review,
I
discuss
the
changing
might
affect
by
altering
quantity
quality
food,
as
well
environmental
microbiomes,
such
enteric
pathogen
pressure
host
physiology.
Climate
change-induced
variability
food
supply,
shifts
elemental
macromolecular
composition
plant
animal
proliferation
pathogens,
direct
effects
high
temperatures
physiology
alter
undesirable
ways,
increasing
burden
change.
importance
different
pathways
depend
many
geographical,
economic,
ecological
factors.
Microbiomes
populations
low-income
countries
be
disproportionally
affected
through
greater
poor
mitigation
diet,
burden,
Water,
Год журнала:
2024,
Номер
16(7), С. 946 - 946
Опубликована: Март 25, 2024
Recreational
water
activities
are
widely
recognized
to
have
a
positive
impact
on
our
physical
and
mental
well-being.
However,
recreational
sources
their
management
also
risk
factor
for
human
health
due
different
agents,
including
the
overgrowth
of
cyanobacteria
algae.
The
presence
algae
in
waters
represents
One
Health
threat
because
potential
release
overuse
biocides.
These
organisms
metabolize
organic
matter
produce
thermophilic
thermotolerant
toxins.
Moreover,
species
involved
biofilm
formation
processes,
thus
impacting
quality
safety
posing
risks
environment
animal
health.
Different
participate
an
managing
equipment
maintenance.
By
searching
literature
databases,
e.g.,
PubMed,
we
reviewed
state
art,
providing
basic
definitions,
taxonomy,
epidemiological
or
medical
issues
related
uses
water.
Methods
treatments
monitoring
were
summarized,
considering
both
traditional
innovative
strategies.
Public
surveillance
approaches
focus
detection
toxins,
biofilms,
understanding
benthonic
planktonic
components
as
part
larger
microbial
biodiversity.
review
process
allowed
us
acknowledge
that
this
is
first
comprehensive
overview
carried
out
within
wider
outlook.
