Okapi Survival Threats: A Population Reconstruction and Threat Analysis
African Journal of Ecology,
Journal Year:
2025,
Volume and Issue:
63(2)
Published: Feb. 28, 2025
ABSTRACT
The
Okapi
(
Okapia
johnstoni
),
endemic
to
the
Democratic
Republic
of
Congo,
symbolises
national
pride
and
biodiversity.
However,
this
iconic
species
faces
an
alarming
decline,
with
population
estimates
dropping
drastically.
This
study
aims
reconstruct
okapi
using
a
logistic
model
analyse
critical
threats
contributing
its
decline.
Results
indicate
that
artisanal
mining
is
responsible
for
98%
reduction
since
2009,
primarily
through
habitat
destruction.
Regression
analysis
reveals
strong
inverse
relationship
between
number
sites
remaining
primary
forest,
both
survival.
concludes
by
recommending
policy
measures
balance
ecological
conservation
economic
development,
such
as
promoting
less
invasive
industrial
strengthening
protected
areas.
These
are
vital
preventing
extinction
unique
species.
Language: Английский
Conservation Challenges for Threatened Indian Flapshell Turtle Lissemys punctata (Lacépède, 1788) in the Largest Wetland of Bangladesh
Nadia S. Kashmi,
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Anirban Sarker,
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Jobedah S. Mim
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et al.
Aquatic Conservation Marine and Freshwater Ecosystems,
Journal Year:
2025,
Volume and Issue:
35(3)
Published: March 1, 2025
ABSTRACT
Freshwater
habitats
are
losing
their
biodiversity
more
quickly
than
terrestrial
and
marine
ecosystems,
particularly
in
parts
of
the
tropics
with
large
human
populations.
Here,
we
analysed
illegal
hunting
data
for
globally
vulnerable
Indian
flapshell
turtle
Lissemys
punctata
largest
wetland
Bangladesh.
We
identified
key
conservation
issues
this
species,
along
knowledge
attitudes
stakeholders
(turtle
hunters,
n
=
190;
fishermen
60;
agriculture
farmers
fish
60).
Compared
2007,
catch
per
unit
effort
declined
by
55%
2022.
Areas
converted
to
aquaculture
increased
16.5%
14.9%
respectively
over
period,
breeding
sites
declined,
especially
farmed
land.
All
93.3%
fishermen,
75%
agricultural
farmers,
were
opinion
that
wetland's
population
has
declined.
Worryingly,
majority
(66.7%)
41.7%
believe
decline
abundance
is
not
a
problem.
About
90%
hunters
disagreed
this,
primarily
because
dependency
on
turtles
income.
Nine
major
threats
challenges
identified,
including
hunting,
accidental
fishing
bycatch,
anthropogenic
modifications
wetland,
negative
some
stakeholders.
recommend
urgent
initiatives
involving
stakeholder
communities
also
research
characterise
specific
habitat
needs
different
life
stages
evaluate
potential
bottlenecks.
suggest
education
programmes
regarding
animal
implementation
stricter
regulations
reduce
exploitation.
Language: Английский
A systematic map of hydropower impacts on megafauna at the land-water interface
Biological Conservation,
Journal Year:
2025,
Volume and Issue:
305, P. 111092 - 111092
Published: March 24, 2025
Language: Английский
Conservation status and threat assessment of the charismatic African hornbills: a conceptual framework and implications for conservation
Biodiversity,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 14
Published: May 7, 2025
Language: Английский
Living With Hyraxes: Biogeography and Comparative Ecology of West African Fornasinius Beetles
African Journal of Ecology,
Journal Year:
2024,
Volume and Issue:
62(3)
Published: Sept. 1, 2024
ABSTRACT
Among
the
flower
beetles
(Scarabaeidae,
Cetoniinae),
Goliathini
comprise
several
genera
of
medium‐
and
large‐sized
widely
distributed
in
sub‐Saharan
Africa.
In
this
tribe,
genus
Fornasinius
Bertoloni,
1853,
includes
two
species
found
West
Africa:
F.
higginsi
(Westwood)
klingbeili
Zöller,
Fiebig,and
Schulze.
study,
we
present
new
data
on
comparative
ecology
biogeography
these
species,
including
sex
ratio,
population
structure
by
size,
monthly
activity
patterns
habitat
features
at
different
spatial
scales.
These
observations
were
conducted,
mostly
opportunistically,
over
a
20‐year
period
Cote
d'Ivoire,
Ghana
Togo.
Both
exhibited
similar
overall
morphometrics.
They
characterised
male‐skewed
adult
ratio
(with
possible
bias),
male‐larger
sexual
size
dimorphism
consistent
size;
are
seemingly
parapatric
potential
contact
zone
being
separated
eastern
Volta
River
Lake).
primarily
vicinity
trees
that
contained
middens
hyraxes,
such
as
Dendrohyrax
dorsalis
(
),
interfluvialis
)
Procavia
capensis
).
has
been
observed
forest
habitat,
while
was
both
forests
Guinea
savannahs.
Occurrence
sites
predominantly
higher
tree
cover,
less
bare
areas
built‐up
zones.
Although
may
be
locally
abundant
within
hyrax
middens,
they
typically
occur
only
relatively
small
number
their
preferred
habitat.
Monthly
differed
between
species.
adults
throughout
year,
sightings
more
common
during
wet
season,
whereas
frequent
dry
season.
The
differences
ecologically
morphologically
help
to
minimise
interspecific
competition
potential—yet
unknown—sites
syntopy.
some
populations
might
threatened
deforestation
or
overhunting
careful
management
should
adequately
ensure
conservation
beetle
Language: Английский