Sustainability,
Год журнала:
2024,
Номер
17(1), С. 136 - 136
Опубликована: Дек. 27, 2024
Mangrove
Swamp
Rice
is
a
unique
labour-,
time-,
and
knowledge-intensive
farming
system
across
West
Africa
requiring
complex
water
management
through
dikes,
canals,
pipes.
Cooperation
crucial
in
the
socio-spatial
temporal
organisation
of
management,
helping
mitigate
risks
like
saltwater
intrusion,
prolonged
submersion,
drying
paddies,
particularly
intensified
by
climate
change.
We
adopted
mixed-methods
approach
integrating
grounded
theory
with
case
study
design
multi-level
analysis
employed
several
tools,
such
as
social
network
analysis,
land
tenure
register,
digital
elevation
model,
machine
learning
model.
This
research
strategy
allowed
us
to
gain
an
in-depth
understanding
socio-ecological
management.
Our
examined
benefits
cooperation
for
infrastructure
highlighting
its
critical
role
routine
monitoring
repair,
specialised
technical
advice,
annual
belt
dike
maintenance.
Within
large
array
factors
influencing
cooperation,
key
drivers,
spatial
proximity
farmers’
knowledge,
labour
ethics,
fame,
emerged
are
discussed.
findings
provide
important
insights
into
“traditional”
societies
offer
valuable
guidance
development
practitioners,
emphasising
importance
involving
reputed
farmers
sustainable
socio-technical
adaptation.
Agronomy,
Год журнала:
2025,
Номер
15(2), С. 342 - 342
Опубликована: Янв. 28, 2025
Mangrove
swamp
rice
(MSR)
production
is
critical
for
the
diet
of
small
farmers
coastal
Guinea-Bissau.
In
mangrove
agroecosystems,
grown
during
rainy
season
when
freshwater
and
nutrients
are
abundant.
However,
small-scale
face
challenges
like
unpredictable
rainfall
rising
sea
levels,
which
increase
soil
salinity
acidity.
This
study
aims
to
assess
physical–chemical
properties,
paired
with
farmers’
local
practices,
evaluate
fertility
constraints,
support
sustainable
soil–plant
management
practices.
co-designed
research
contributes
filling
a
gap
concerning
adoption
agricultural
practices
adapted
specific
contexts
in
West
Africa.
two
regions,
Oio
(center)
Tombali
(south),
yields
were
measured
semi-controlled
trials
both
agroecological
settings:
Tidal
(TM)
Associated
(AM)
fields.
380
samples
collected,
growing
parameters
assessed
2021
2022
sowing,
transplanting,
flowering
periods.
Principal
Component
Analyses
(PCA)
Multivariate
Regression
Analysis
(MRA)
applied
understand
trends
build
proxies
predicting
yields.
Significant
spatial
temporal
variability
properties
between
agroecologies
was
found.
Salinity
constraints
TMs
limit
an
average
110
g/m2,
compared
250
g/m2
Tombali.
Yield
predictions
account
81%
56.9%
variance
AMs,
respectively.
Variables
such
as
organic
matter
(OM),
nitrogen
(N),
potassium
(K),
precipitation
positively
influence
yields,
whereas
sand
content,
pH,
iron
oxides
show
negative
effect.
advances
understanding
MSR
Guinea-Bissau
underscores
importance
incorporating
knowledge
their
diverse
complex
systems
effectively
address
these
challenges.
Agronomy,
Год журнала:
2024,
Номер
14(2), С. 335 - 335
Опубликована: Фев. 6, 2024
The
mangrove
swamp
rice
production
system
(MSRPS)
in
West
Africa
faces
significant
challenges
soil,
water,
and
salinity
management,
making
highly
vulnerable
to
variations
the
spatio-temporal
distribution
patterns
of
rainfall,
which
are
exacerbated
by
climate
change.
This
study’s
results
can
provide
initial
basis
for
co-developing
strategies
with
farmers
aiming
contribute
biophysical
characterization
MSRPS,
particular:
(i)
estimate
water-harvesting
efficiency
(WLef)
plots
north
south
Guinea
Bissau
(GB);
(ii)
characterize
unevenness
bottom
plots,
leads
salinization
spots;
(iii)
create
soil
consistency
maps
a
tool
prioritize
sites
optimal
conditions
tillage.
research
was
conducted
between
2021
2023
study
site
Cafine-Cafal
Elalab
GB.
Systematic
sampling
grid
designed
quantify
plot/ridge
areas
were
determined.
Linear
models
developed
predict
parameters
(e.g.,
effective
planting
water-logging
depths)
geostatistics
used
each
site.
show
precipitation
efficiencies
15%
16%
southern
northern
regions,
respectively.
Furthermore,
plasticity
limits
18.6%
35.5%
most
appropriate
times
start
tillage
specific
paddies.
provides
information
on
efficient
management
freshwater
conservation,
providing
MSRPS
useful
tools
counteract
effects
caused
rainfall
variability.
African Geographical Review,
Год журнала:
2024,
Номер
unknown, С. 1 - 19
Опубликована: Май 29, 2024
Guinea-Bissau
has
experienced
the
tangible
effects
of
climate
change
in
recent
years.
An
examination
annual
and
monthly
precipitation
patterns
from
1960-2020
indicates
an
overall
decreasing
trend
climatological
series.
In
contrast,
average
maximum
minimum
temperatures
exhibit
significant
increasing
trends
during
same
period.
Analysing
daily
rainfall
temperature
leads
us
to
conclude
that
have
evolved
different
ways.
The
non-parametric
Mann–Kendall
test
was
used
assess
indices,
Sen's
slope
estimator
detect
magnitude
trends.
Despite
decrease
wet
days,
there
been
upward
over
1981-2020
Days
with
at
least
30
35ºC
increased
all
seasons
a
very
for
30ºC.
On
other
hand,
absolute
tended
Bolama
Bafatá
by
-0.25
-0.17ºC
per
decade
respectively.
There
also
0.30ºC
0.39ºC
Bafata,
i.e.
nights
getting
cooler,
which
somewhat
contradicts
global
generally
reported
this
parameter.
Development and Change,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 9, 2025
ABSTRACT
The
effects
of
climate
change
add
to
the
challenges
facing
those
with
rice‐based
livelihoods
in
West
Africa.
This
article
presents
a
long‐term
ethnographic
case
study
southern
Guinea‐Bissau
where,
contrast
other
reported
cases
region,
uncertainty
regarding
future
mangrove
rice
production
overlaps
efforts
rehabilitate
abandoned
paddies.
Agricultural
knowledge
is
produced,
renewed
and
transmitted
along
construction
site‐specific,
techno‐ecological
hybrids
needed
for
water
management
fields.
analyses
role
communal,
reciprocal
contract
labour
circulation
between
villages
historically
stable
(rice
refugia)
where
has
been
discontinuous
margins).
Knowledge
experimentation
are
key
local
adaptation
resilience
programmes
can
play
if
they
able
adapt
current
needs,
instance,
by
considering
decentralized
funding
strategies.
By
promoting
exchange
services
goods,
decentralization
facilitate
redistribution
labour,
particularly
refugia,
as
regional
repositories,
participate
recovery
margins.
These
connections
revitalize
strengthen
networks
their
ability
confront
change.
