Abstract.
Hydro-pedotransfer
functions
(PTFs)
relate
easy-to-measure
and
readily
available
soil
information
to
hydraulic
properties
for
applications
in
a
wide
range
of
process-based
empirical
models,
thereby
enabling
the
assessment
effects
on
hydrological,
biogeochemical,
ecological
processes.
At
least
more
than
four
decades
research
have
been
invested
derive
such
relationships.
However,
while
methods,
data
storage
capacity,
computational
efficiency
advanced,
there
are
fundamental
concerns
related
scope
adequacy
current
PTFs,
particularly
when
applied
parameterize
models
used
at
field
scale
beyond.
Most
PTF
development
process
has
focused
refining
advancing
regression
aspects
remained
largely
unconsidered.
system
settings
not
captured
by
existing
which
built
mostly
agricultural
soils
temperate
climates.
Thus.
PTFs
ignorie
how
parent
material,
vegetation,
land
use,
climate
affect
processes
that
shape
properties.
The
parameterise
Richards-Richardson
equation
limited
predicting
parameters
van
Genuchten-Mualem
functions,
despite
sufficient
evidence
demonstrating
their
shortcomings.
Another
issue
relates
diverging
scales
derivation
application,
whereby
derived
based
laboratory
measurements
being
often
regional
scales.
Scaling,
modulation,
constraining
strategies
exist
alleviate
some
these
shortcomings
mismatch
between
These
addressed
here
joint
effort
members
International
Soil
Modelling
Consortium
(ISMC)
Pedotransfer
Functions
Working
Group
with
aim
systematise
provide
roadmap
guiding
both
use.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Май 8, 2024
Abstract
Land
degradation
is
a
complex
socio-environmental
threat,
which
generally
occurs
as
multiple
concurrent
pathways
that
remain
largely
unexplored
in
Europe.
Here
we
present
an
unprecedented
analysis
of
land
multi-degradation
40
continental
countries,
using
twelve
dataset-based
processes
were
modelled
convergence
and
combination
Europe’s
agricultural
(and
arable)
environments.
Using
Multi-degradation
Index,
find
up
to
27%,
35%
22%
(~2
million
km
2
)
arable
(~1.1
lands
are
currently
threatened
by
one,
two,
three
drivers
degradation,
while
10–11%
pan-European
agricultural/arable
landscapes
cumulatively
affected
four
at
least
five
processes.
We
also
explore
the
pattern
spatially
interacting
processes,
emphasizing
major
combinations
across
national
boundaries.
Our
results
will
enable
policymakers
develop
knowledge-based
strategies
for
mitigation
other
critical
European
sustainable
development
goals.
Abstract
Background
Modern
agricultural
practices
have
exacerbated
soil
compaction,
largely
due
to
the
intensification
of
operations
involving
heavier
machinery
and
tillage
practices.
Soil
compaction
increases
bulk
density
reduces
porosity,
limiting
water
nutrient
diffusion
within
matrix.
also
alters
bacterial
fungal
communities
in
agroecosystems
by
favouring,
for
example,
anaerobic
prokaryotes
saprotrophic
fungi.
Under
these
conditions
crop
yields
are
reduced,
affecting
food
security.
Scope
We
review
recent
advances
understanding
impact
on
physical
chemical
characteristics
plant
physiological
response
this
stress,
with
special
emphasis
effect
their
interaction
plant.
Additionally,
we
discuss
findings
responses
compacted
soils
that
affect
recruitment
root
microbiota
how
could
help
cope
stress.
possible
strategies
mitigate
consequences
settings.
Conclusions
Research
is
far
from
conclusive
about
mechanisms
plants
use
respond
compaction.
It
not
well
understood
inhabiting
roots
participate
A
better
drive
selection
establishment
microbial
community
at
root-soil
interface
find
new
that,
together
existing
ones,
improve
production
soils.
Hydrology and earth system sciences,
Год журнала:
2024,
Номер
28(14), С. 3391 - 3433
Опубликована: Июль 29, 2024
Abstract.
Hydro-pedotransfer
functions
(PTFs)
relate
easy-to-measure
and
readily
available
soil
information
to
hydraulic
properties
(SHPs)
for
applications
in
a
wide
range
of
process-based
empirical
models,
thereby
enabling
the
assessment
effects
on
hydrological,
biogeochemical,
ecological
processes.
At
least
more
than
4
decades
research
have
been
invested
derive
such
relationships.
However,
while
methods,
data
storage
capacity,
computational
efficiency
advanced,
there
are
fundamental
concerns
related
scope
adequacy
current
PTFs,
particularly
when
applied
parameterise
models
used
at
field
scale
beyond.
Most
PTF
development
process
has
focused
refining
advancing
regression
aspects
remained
largely
unconsidered.
systems
not
represented
which
built
mostly
agricultural
soils
temperate
climates.
Thus,
existing
PTFs
ignore
how
parent
material,
vegetation,
land
use,
climate
affect
processes
that
shape
SHPs.
The
Richards–Richardson
equation
limited
predicting
parameters
van
Genuchten–Mualem
functions,
despite
sufficient
evidence
demonstrating
their
shortcomings.
Another
issue
relates
diverging
scales
derivation
application,
whereby
derived
based
laboratory
measurements
often
being
regional
scales.
Scaling,
modulation,
constraining
strategies
exist
alleviate
some
these
shortcomings
mismatch
between
These
addressed
here
joint
effort
by
members
International
Soil
Modelling
Consortium
(ISMC)
Pedotransfer
Functions
Working
Group
with
aim
systematising
providing
roadmap
guiding
both
use.
We
close
10-point
catalogue
funders
researchers
guide
review
research.
Geoderma,
Год журнала:
2023,
Номер
430, С. 116346 - 116346
Опубликована: Янв. 25, 2023
Soil
structure
affects
a
range
of
soil
functions
(e.g.,
water,
air,
heat,
and
nutrient
transport)
ecosystem
services
production,
climate
regulation).
Agricultural
intensification
is
dominant
factor
in
global
structural
degradation.
Understanding
the
vulnerability
soils
to
degradation
may
be
important
land
use
planning
identifying
management
practices
that
mitigate
risk
We
review
current
methods
for
assessing
influencing
factors,
focussing
on
compaction
aggregate
breakdown
as
two
key
measures
Methods
affecting
are
also
discussed.
Critical
research
gaps
identified,
including
lack
studies
demonstrate
link
between
loss
or
services.
Our
literature
identified
terms
susceptibility,
vulnerability,
often
used
interchangeably.
propose
definitions
can
distinguish
these
terms.
properties
(relatively
static),
wetness,
stress
practices)
progressively
included
assessments
risk.
Existing
indicators
not
suitable
predict
potential
effects
highlight
should
focus
pore
network-based
hydraulic
properties)
Both
state
(i.e.,
condition)
its
To
overcome
limitations
previous
assessments,
we
developed
conceptual
model
linking
assessment
provides
insights
metrics
frameworks
develop
improve
delivery
Journal of Experimental Botany,
Год журнала:
2023,
Номер
75(2), С. 578 - 583
Опубликована: Ноя. 9, 2023
Abstract
Compaction
disrupts
soil
structure,
reducing
root
growth,
nutrient
and
water
uptake,
gas
exchange,
microbial
growth.
Root
growth
inhibition
by
compaction
was
originally
thought
to
reflect
the
impact
of
mechanical
impedance
reduced
availability.
However,
using
a
novel
diffusion-based
mechanism
employing
hormone
ethylene,
recent
research
has
revealed
that
plant
roots
sense
compaction.
Non-compacted
features
highly
interconnected
pore
spaces
facilitate
diffusion
gases
such
as
ethylene
which
are
released
tips.
In
contrast,
stress
network,
causing
accumulate
around
tips
trigger
arrest.
Genetically
disrupting
signalling
causes
become
much
less
sensitive
stress.
Such
new
understanding
about
molecular
sensing
emerging
anatomical
traits
provides
opportunities
develop
crops
resistant
targeting
key
genes
their
pathways.
This
expert
view
discusses
these
advances
mechanisms
associated
with
root–soil
responses.