Ecology and Evolution,
Год журнала:
2019,
Номер
9(13), С. 7660 - 7675
Опубликована: Июнь 13, 2019
Determining
patterns
of
plant
diversity
on
granite
inselbergs
is
an
important
task
for
conservation
biogeography
due
to
mounting
threats.
However,
beyond
the
tropics
there
are
relatively
few
quantitative
studies
floristic
diversity,
or
consideration
these
and
their
environmental,
biogeographic,
historical
correlates
conservation.
We
sought
contribute
broader
understanding
global
species
inform
biodiversity
in
globally
significant
Southwest
Australian
Floristic
Region
(SWAFR).
surveyed
floristics
from
16
(478
plots)
across
climate
gradient
SWAFR
stratified
into
three
major
habitats
each
outcrop.
recorded
1,060
92
families.
At
plot
level,
local
soil
topographic
variables
affecting
aridity
were
correlated
with
richness
herbaceous
(HO)
woody
vegetation
(WO)
soil-filled
depressions,
but
not
deeper
soils
at
base
outcrops
(WOB).
outcrop
bioclimatic
two
(WO
WOB)
but,
contrary
predictions
island
biogeography,
inselberg
area
isolation
any
habitats.
Species
turnover
was
also
influenced
by
aridity,
being
interplot
geographic
distance,
HO
WO
site
variables.
replacement
dominant
component
habitats,
consistent
expectations
long-term
stable
landscapes.
Our
results
therefore
highlight
high
associated
flora.
Hence,
effective
strategies
will
need
focus
protecting
multiple
entire
region.
Functional Ecology,
Год журнала:
2019,
Номер
33(5), С. 762 - 773
Опубликована: Март 9, 2019
Abstract
Campos
rupestres
is
an
extremely
phosphorus
(P)‐impoverished
rocky
ecosystem
in
Brazil.
Velloziaceae
important
plant
family
this
environment,
and
some
species
colonize
exposed
quartzite
rock.
However,
we
know
virtually
nothing
about
their
root
development
nutrient
acquisition
within
the
rock
outcrops
possible
role
weathering
landscape
formation.
We
tested
hypothesis
that
dissolve
P
from
rock,
enhancing
weathering.
The
study
was
carried
out
with
two
Barbacenia
(Velloziaceae)
rocks.
assessed
specializations
exudates,
determined
mineralogical
composition
of
rocks
contained
a
low
concentration
total
matrix
composed
predominantly
silica.
Using
transmission
electron
microscopy,
show
growth
perpendicular
to
rock‐bedding
planes.
A
micro‐XRF
set‐up
at
XRF
beamline
synchrotron
evidenced
root‐associated
dissolution.
investigated
roots
novel
morphological
physiological
specializations,
coined
vellozioid
roots,
which
are
highly
effective
acquisition.
These
carboxylate‐releasing
function
like
other
specialized
nutrient‐depleted
soils.
represent
barrier
for
most
species,
but
due
chemical
physical
actions
inside
rocks,
play
pivotal
weathering,
contributing
shaping
campos
landscapes.
plain
language
summary
available
article.
Frontiers in Environmental Science,
Год журнала:
2019,
Номер
7
Опубликована: Дек. 20, 2019
Complex
environmental
issues
require
solutions
that
cannot
be
achieved
without
integrating
scientific
disciplines
and
communicating
science
to
people,
decision-makers
stakeholders.
Nevertheless,
although
Alexander
von
Humboldt
gifted
us
with
an
approach
integrate
knowledge
across
aiming
broadly
understand
issues,
our
current
practice
largely
ignores
holistic
approach.
Here,
we
develop
a
conceptual
framework
for
sustaining
mountain
integrity
securing
their
ecosystem
services
based
on
cross-disciplinary
ideas.
We
used
headwater
systems
located
in
tropical
old
mountains
as
example
of
meta-ecosystem
because
they
are
home
disproportional
high
levels
algae,
invertebrate
microorganism
species
diversity
endemism
well
water
availability
quality
nearly
half
mankind.
also
argue
the
interplay
between
academia
other
sectors
society
should
facilitate
permeability
into
policy-
decision-makers,
which
is
pivotal
issue
improving
natural
resources
management.
prioritization
montane
feasible,
desirable
strategic
included
global
sustainability
agenda.
Failure
implement
sustainable
development
goals
likely
result
catastrophic
events
harsh
consequences
both
humans
biodiversity.
Ecology and Evolution,
Год журнала:
2019,
Номер
9(13), С. 7660 - 7675
Опубликована: Июнь 13, 2019
Determining
patterns
of
plant
diversity
on
granite
inselbergs
is
an
important
task
for
conservation
biogeography
due
to
mounting
threats.
However,
beyond
the
tropics
there
are
relatively
few
quantitative
studies
floristic
diversity,
or
consideration
these
and
their
environmental,
biogeographic,
historical
correlates
conservation.
We
sought
contribute
broader
understanding
global
species
inform
biodiversity
in
globally
significant
Southwest
Australian
Floristic
Region
(SWAFR).
surveyed
floristics
from
16
(478
plots)
across
climate
gradient
SWAFR
stratified
into
three
major
habitats
each
outcrop.
recorded
1,060
92
families.
At
plot
level,
local
soil
topographic
variables
affecting
aridity
were
correlated
with
richness
herbaceous
(HO)
woody
vegetation
(WO)
soil-filled
depressions,
but
not
deeper
soils
at
base
outcrops
(WOB).
outcrop
bioclimatic
two
(WO
WOB)
but,
contrary
predictions
island
biogeography,
inselberg
area
isolation
any
habitats.
Species
turnover
was
also
influenced
by
aridity,
being
interplot
geographic
distance,
HO
WO
site
variables.
replacement
dominant
component
habitats,
consistent
expectations
long-term
stable
landscapes.
Our
results
therefore
highlight
high
associated
flora.
Hence,
effective
strategies
will
need
focus
protecting
multiple
entire
region.
