Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(24), P. 12020 - 12020
Published: Dec. 22, 2024
Monitoring
and
predicting
land
surface
phenology
(LSP)
are
essential
for
understanding
ecosystem
dynamics,
climate
change
impacts,
forest
agricultural
productivity.
Satellite
Earth
observation
(EO)
missions
have
played
a
crucial
role
in
the
advancement
of
LSP
research,
enabling
global
continuous
monitoring
vegetation
cycles.
This
review
provides
brief
overview
key
EO
satellite
missions,
including
advanced
very-high
resolution
radiometer
(AVHRR),
moderate
imaging
spectroradiometer
(MODIS),
Landsat
program,
which
an
important
capturing
dynamics
at
various
spatial
temporal
scales.
Recent
advancements
machine
learning
techniques
further
enhanced
prediction
capabilities,
offering
promising
approaches
short-term
cropland
suitability
assessment.
Data
cubes,
organize
multidimensional
data,
provide
innovative
framework
enhancing
analyses
by
integrating
diverse
data
sources
simplifying
access
processing.
highlights
potential
satellite-based
monitoring,
models,
cube
infrastructure
advancing
research
insights
into
current
trends,
challenges,
future
directions.
Remote Sensing,
Journal Year:
2024,
Volume and Issue:
16(9), P. 1580 - 1580
Published: April 29, 2024
Carbon
uptake
of
vegetation
is
controlled
by
phenology
and
photosynthetic
carbon
capacity.
However,
our
knowledge
the
seasonal
responses
productivity
to
phenological
physiological
changes
in
alpine
ecosystems
still
weak.
In
this
study,
we
quantified
spatio-temporal
variations
gross
primary
(GPP)
across
source
region
Yellow
River
(SRYR)
analyzing
MODIS-derived
GPP
from
2001
2019,
explored
how
maximum
capacity
(GPPmax)
affected
over
region.
Our
results
showed
that
SRYR
experienced
significantly
advanced
trends
(p
<
0.05)
for
both
start
(SOS)
peak
(POS)
growing
season
2019.
Spring
(GPPspr)
had
a
increasing
trend
0.01),
earlier
SOS
obvious
positive
effects
on
GPPspr.
Summer
(GPPsum)
was
negatively
correlated
POS
0.05).
addition,
GPPmax
significant
correlation
with
GPPsum
GPPann
respectively.
It
found
an
spring-summer
higher
enhanced
efficiency
spring
summer
altered
patterns
under
warming
wetting
climates.
This
study
indicated
not
only
autumn
but
also
should
be
regarded
as
crucial
indicators
regulating
process
ecosystems.
research
provides
important
information
about
affect
global
climate
warming.
Global Ecology and Conservation,
Journal Year:
2023,
Volume and Issue:
49, P. e02781 - e02781
Published: Dec. 21, 2023
To
promote
the
harmonized
development
of
economic
construction
and
ecological
protection,
our
study
introduces
an
integrated
framework
that
employs
various
methodologies
to
delineate
natural
reserve
boundaries
spatial
zoning.
These
aim
address
issues
such
as
insufficient
protected
area,
excessive
human-induced
influences,
inadequate
protection
endangered
animals
within
nature
boundaries.
Leveraging
comprehensive
data
from
diverse
sources,
including
ground
surveys
remote
sensing
detection,
we
conducted
a
survey
using
Chebaling
National
Nature
Reserve
in
China
its
environs
case
study.
Models
maximum
entropy
model
(MaxEnt),
Fragstats,
Integrated
Valuation
Ecosystem
Services
Trade-offs
(InVEST)
were
employed
identify
areas
with
highly
suitable
habitats,
significant
landscape
diversity,
superior
ecosystem
quality
for
16
key
species.
Subsequently,
irreplaceable
value
research
area
was
calculated
Marxan
model,
leading
establishment
novel
boundary
plan.
We
propose
expanding
original
1344
km²,
dividing
it
into
core
(321
23.88%)
general
control
(1023
76.12%).
Additionally,
recommend
further
division
several
functional
zones
facilitate
integration
diversity
protection.
This
contributes
more
scientifically
informed
rational
management
approach
Reserve.
Moreover,
this
offers
valuable
insights
assessing
identifying
animal
habitats
globally
spatially
zoning
other
reserves.
Functional Ecology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 11, 2024
Abstract
Plant
phenology
is
crucial
for
understanding
plant
growth
and
climate
feedback.
It
affects
canopy
structure,
surface
albedo,
carbon
water
fluxes.
While
the
influence
of
environmental
factors
on
well‐documented,
role
intrinsic
factors,
particularly
internal
physiological
processes
their
interaction
with
external
conditions,
has
received
less
attention.
Non‐structural
carbohydrates
(NSC),
which
include
sugars
starch
essential
growth,
metabolism
osmotic
regulation,
serve
as
indicators
availability
in
plants.
NSC
levels
reflect
balance
between
photosynthesis
(source
activity)
demands
respiration
(sink
activity),
making
them
key
traits
that
potentially
during
critical
periods
such
spring
leaf‐out
autumn
leaf
senescence.
However,
connections
concentrations
various
organs
phenological
events
are
poorly
understood.
This
review
synthesizes
current
research
relationship
dynamics.
We
qualitatively
delineate
seasonal
variations
deciduous
evergreen
trees
propose
testable
hypotheses
about
how
may
interact
stages
bud
break
also
discuss
levels,
align
existing
conceptual
models
allocation.
Accurate
characterization
simulation
dynamics
should
be
incorporated
into
allocation
models.
By
comparing
reviewing
development
models,
we
highlight
shortcomings
methodologies
recommend
directions
to
address
these
gaps
future
research.
Understanding
NSC,
source–sink
relationships,
poses
challenges
due
difficulty
characterizing
high
temporal
resolution.
advocate
a
multi‐scale
approach
combines
methods,
deepening
our
mechanistic
through
manipulative
experiments,
integrating
sink
source
data
from
multiple
observational
networks
better
characterize
dynamics,
quantifying
spatial
pattern
trends
NSC‐phenology
using
remote
sensing
modelling.
will
enhance
comprehension
impact
across
different
scales
environments.
Read
free
Plain
Language
Summary
this
article
Journal
blog.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(24), P. 12020 - 12020
Published: Dec. 22, 2024
Monitoring
and
predicting
land
surface
phenology
(LSP)
are
essential
for
understanding
ecosystem
dynamics,
climate
change
impacts,
forest
agricultural
productivity.
Satellite
Earth
observation
(EO)
missions
have
played
a
crucial
role
in
the
advancement
of
LSP
research,
enabling
global
continuous
monitoring
vegetation
cycles.
This
review
provides
brief
overview
key
EO
satellite
missions,
including
advanced
very-high
resolution
radiometer
(AVHRR),
moderate
imaging
spectroradiometer
(MODIS),
Landsat
program,
which
an
important
capturing
dynamics
at
various
spatial
temporal
scales.
Recent
advancements
machine
learning
techniques
further
enhanced
prediction
capabilities,
offering
promising
approaches
short-term
cropland
suitability
assessment.
Data
cubes,
organize
multidimensional
data,
provide
innovative
framework
enhancing
analyses
by
integrating
diverse
data
sources
simplifying
access
processing.
highlights
potential
satellite-based
monitoring,
models,
cube
infrastructure
advancing
research
insights
into
current
trends,
challenges,
future
directions.