Arboriculture & Urban Forestry,
Год журнала:
2024,
Номер
50(5), С. 365 - 390
Опубликована: Авг. 29, 2024
Abstract
Background
The
inventory
of
street
tree
populations
has
acquired
new
importance
due
to
interest
in
the
provision
ecosystem
services.
That
said,
this
paper
aims
compare
systematic
sampling
with
stratified
using
different
sizes
units
estimate
variables
interest:
number
trees
per
kilometer
sidewalk
(
D
F
),
basal
area
g
mean
total
height
,
volume
V
and
species
E
).
An
innovative
contribution
here
is
testing
alternative
density
variables.
Methods
In
densely
urbanized
Piracicaba
(Sao
Paulo
State,
Brazil),
90
sets
4
blocks
were
systematically
sampled.
They
used
compose
1,
2,
3,
blocks.
Stratification
was
based
on
percentage
cover
obtained
geoprocessing
tools.
Only
public
a
circumference
at
breast
greater
than
or
equal
12
cm
planted
sidewalks
avenue
medians
included.
Results
effect
unit
size
stratification
accuracy,
sample
size,
intensity
analyzed.
results
show
that
more
accurate
process,
especially
for
.
Conclusions
Reductions
significant
when
2-block
used.
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(7)
Опубликована: Фев. 5, 2024
Tree
mortality
due
to
global
change—including
range
expansion
of
invasive
pests
and
pathogens—is
a
paramount
threat
forest
ecosystems.
Oak
forests
are
among
the
most
prevalent
valuable
ecosystems
both
ecologically
economically
in
United
States.
There
is
increasing
interest
monitoring
oak
decline
death
drought
wilt
pathogen
(
Bretziella
fagacearum
).
We
combined
anatomical
ecophysiological
measurements
with
spectroscopy
at
leaf,
canopy,
airborne
levels
enable
differentiation
drought,
detection
prior
visible
symptom
appearance.
performed
an
outdoor
potted
experiment
Quercus
rubra
saplings
subjected
stress
and/or
artificially
inoculated
pathogen.
Models
developed
from
spectral
reflectance
accurately
predicted
indicators
field
experiments
naturally
grown
saplings.
Both
resulted
blocked
water
transport
through
xylem
conduits.
However,
impaired
conduits
localized
regions
formation
tyloses
instead
emboli.
The
tylose
more
variable
canopy
photosynthesis
content
diseased
trees
than
drought-stressed
ones.
Reflectance
signatures
plant
photosynthesis,
content,
cellular
damage
detected
12
d
before
visual
symptoms
appeared.
Our
results
show
that
leaf
models
predict
processes
relevant
disease
drought.
Coupling
detect
physiological
change
spatial
information
enhances
capacity
differentiate
types
such
as
Land,
Год журнала:
2024,
Номер
13(2), С. 230 - 230
Опубликована: Фев. 12, 2024
In
this
study,
tree-selection/plantation
decision
support
systems
(DSSs)
were
reviewed
and
evaluated
against
essential
objectives
in
the
available
literature.
We
verified
whether
existing
DSSs
leverage
multiple
data
sources
online
resources
such
as
web
interfaces.
compared
DSSs,
study
mainly
focused
on
five
main
that
can
consider
tree
selection,
including
(a)
climate
resilience,
(b)
infrastructure/space
optimization,
(c)
agroforestry,
(d)
ecosystem
services,
(e)
urban
sustainability.
The
resilience
of
species
sustainability
are
relatively
rarely
taken
into
account
systems,
which
be
integrated
holistically
future
DSS
tools.
Based
review,
deep
neural
networks
(DNNs)
recommended
to
achieve
trade-offs
between
complex
maximizing
species,
agroforestry
conservation,
other
benefits.
Ecological Solutions and Evidence,
Год журнала:
2025,
Номер
6(2)
Опубликована: Апрель 1, 2025
Abstract
Changes
at
local
and
landscape
scales
impact
forests
embedded
in
urban
urbanizing
landscapes.
In
the
Northeast
USA,
forest
fragments
are
characterized
by
smaller
sizes,
low
connectivity
novel
plant
assemblages
relative
to
intact
natural
areas.
Disruptions
of
from
landscape‐scale
development
can
negatively
habitat
suitability
colonization
terrestrial
insects,
but
managing
tree
compositions
may
offset
negative
impacts,
especially
for
phytophagous
taxa
specialized
host
plants.
Here,
we
surveyed
nocturnal
moth
community
diversity
using
light
traps
deployed
within
that
varied
surrounding
development,
floristics,
structure.
We
found
factors
interact
affect
temperate
communities.
most
cases,
impervious
surface
(as
a
proxy
urbanization)
impacted
communities,
whereas
basal
area
Lepidoptera‐rich
plants
positively
affected
However,
magnitude
benefits
trees
was
apparent
levels
urbanization
substantial
specialists
over
generalists.
Practical
implication
.
These
results
provide
evidence
management
approaches
prioritizing
species
support
high
richness
interactions
adverse
effects
fragmentation
on
vital
insect
different
development.
other
urban‐associated
mechanisms,
such
as
artificial
light,
pesticides,
reduced
dispersal,
inhibit
sustainable
populations
sensitive
species.
Frontiers in Forests and Global Change,
Год журнала:
2025,
Номер
8
Опубликована: Июнь 2, 2025
Introduction
This
research
explores
the
perceptions
of
local
forest
communities
in
Kakamega
Forest
Ecosystem
(KFE)
regarding
conditions,
associated
threats,
services
(ES)
provision,
and
challenges
with
a
focus
on
socioeconomic
differences
(wealth
categories).
Effective
management
is
imperative
for
sustaining
ES,
but
KFE,
threats
to
face
hinder
their
provision.
Methods
Mixed
method
was
utilized,
qualitative
data
collected
through
Key
Informant
Interviews
(KII),
Focus
Group
Discussions
(FGD),
quantitative
gathered
household
surveys.
Results
discussion
The
findings
indicated
that
wealthier
households
exhibited
positive
correlation
unchanged
ES
while
poorer
showed
decreased
Local
generally
perceived
an
improvement
conditions
across
wealth
categories.
However,
unexpectedly,
highly
improved
indicating
related
access
ES.
In
contrast,
middle
rich
expressed
severely
degraded
conditions.
Illegal
logging
emerged
as
most
significant
threat
regardless
category,
followed
by
lack
awareness
conservation
efforts,
perception
Surprisingly,
animal
grazing
relatively
low
threat,
between
groups
highlighting
importance
land
ownership.
allocation
harvesting
rights
non-local
community
members
identified
challenge
faced
community,
irrespective
wealth.
Additionally,
prohibition
maize
planting
Plantation
Establishment
Livelihood
Improvement
Scheme
(PELIS)
another
major
categories,
underscoring
PELIS
lands
cultivating
staple
foods.
electric
fence
also
poor
households,
reflecting
greater
reliance
provisioning
Conclusion
provides
valuable
policy
insights
outreach,
agricultural
crops,
harvesting,
monitoring
participatory
(PFM).
support
more
inclusive,
sustainable,
equitable
KFE
other
ecosystems
enhance
wellbeing
livelihoods
communities.
