16th INTERNATIONAL SOIL CONSERVATION ORGANIZATION CONGRESS
16º CONGRESO
INTERNACIONAL DE LA ORGANIZACION EN CONSERVACION DE SUELO
CHAIRMAN: Erick Zagal
VICE-CHAIRMAN: Germán Ruiz
Organizing Committee
Chilean Society of Soil Science
Erick Zagal
Claudio Pérez
National Forest Corporation
Samuel Francke
Celso Carnieletto
Agriculture Ministery of Chile
Agriculture and Livestock Service
Germán Ruiz
Mario Lagos
Mario Ahumada
Universidad Mayor
Norma Sepúlveda
Jorge Wicha
Universidad de Chile
Manuel Casanova
SCIENTIFIC COMITEE
Erick Zagal
University of Concepcion
ezagal@udec.cl
Germán Ruiz
Agriculture Ministry of Chile
german.ruiz@sag.gob.cl E
nglandncia
Cristian Prat
Institut de recherche pour le developpment, christian.prat@ird.fr
olanda paña
Ildefonso Pla Sentis
ISCO Board
ipla@macs.udl.cat
José Luis Rubio
ISCO Board of Director, President of ESSC jose.l.rubio@uv.es
Estados Unidos de América
Samir A. El-Swaify,
ISCO Board, University of Hawaii, USA,
elswaify@hawaii.edu
Verónica Acosta
USDA, Agr. Research Service, veronica.acosta.martinez@ars.usda.gob
México
Jorge Etchevers
Colegio Post Graduados Chapingo/Montecillo, jetchev@colpos.mx
Italia
Miodrag Zlatic
World Association of Soil and Water Conservation
miodrag.zla@sbb.rs
Neal Stolpe,
University of Concepcion
nstolpe@udec.cl
Cristina Muñoz
University of Concepcion
cristinamunoz@udec.cl
Leandro Paulino
University of Concepcion
lpaulino@udec.cl
Analí Rosas
University of Concepcion
arosas@udec.cl
Celerino Quezada
University of Concepcion
cequezad@udec.cl
Marcos Sandoval
University of Concepcion
masandov@udec.cl
Iván Vidal
University of Concepcion
ividal@udec.cl
Juan A. Barrera
University of Concepcion
jbarrera@udec.cl
Mario Ahumada
Agriculture Ministry of Chile
Universidad Mayor
mario.ahumada@sag.gob.cl
Mario Lagos
Agriculture Ministry of Chile mario.lagos@sag.gob.cl
Manuel Casanova
Universidad de Chile
mcasanov@uchile.cl
Samuel Francke
National Forest Corporation,
Universidad Mayor
samuel.francke@conaf.cl
Celso Carnieletto
National Forest Corporation,
celso.carnieletto@conaf.cl
Carlos Ovalle
Institute of Agriculture Research, Chile. covalle@inia.cl
16th International Soil Conservation Organization
Congress
(The land we
want for the future must be built today)
CONCLUSIONS
From 8 to 12 of November (2010) the 16th ISCO Congress
was developed with the presence of XXX scientifics, researchers, postgraduated
students and professionals. Initially considered the following principal
topics to be treated:
- Multidisciplinary assessment
of land degradation and desertification at local, national, regional
and global scales.
-
Interaction between natural
ecosystem components (land, water, biodiversity) and socioeconomic indicators and their overall
impact on land degradation.
- Impacts of human mismanagement
on natural resources and examples of best management practices in reducing
land degradation effects.
-
State and development of policy
options, management strategies, and guidelines for sustainable
natural resources use and management.
In this context, the Local Steering Committee ISCO-2010 considered defines six Commissions,
in order to organize many works submitted:
-
Erosive soil degradation. (President: Celio Chagas; Secretary: Neal Stolpe)
-
Biological soil degradation and biological soil constraints (President: Verónica Acosta; Secretary: Cristina Muñoz)
-
Chemical soil degradation and chemical soil constraints. (President: Samir A. El-Swaify; Secretary: Osvaldo Salazar)
-
Physical soil degradation and physical soil constraints. (President: Reginaldo Barboza da Silva; Secretary:
Marco Sandoval).
-
Desertification and drylands. (President: Ildefonso Pla Sentís; Secretary: Mario Ahumada).
-
Institutional and socio-economic
issues. (President: José Luis Rubio; Secretary; Samuel Francke).
The Congress was realized at Campus Huechuraba, Universidad Mayor (Santiago
of Chile) and the program considered a time schedule divided in:
I. Invited Key Speakers at beginning of each morning
or afternoon:
-
Mr. Rattan Lal. Cellulosic ethanol and soil quality (Conference
in video)
-
Mr. Carlos Crovetto. The soil. Conservation or improvement.
-
Mr. José Luis Rubio. Soil conservation as an environmental, social and
food security issue.
-
Mr. Germán Ruíz. Incentive system for the recovery of degraded soils.
Public-private joint for improving the soil productivity.
-
Mr. Walter Luzio. Approach to the distribution of soils in Chile.
-
Mr. Ildefonso Pla Sentís. Soil and water conservation under future global changes.
-
Mr. Erick Zagal. Greenhouse gas emissions in agricultural soils and
some of the strategies to mitigate them .
-
Mr. Samir A. El-Swaify. Human dimensions of soil and water management and conservation.
II. Oral work presentations. Each commission
worked in three rooms during three days:
COMMISSION |
SESSION |
MONDAY 8 NOV |
TUESDAY 9 NOV |
Thuerday
11 nov |
ROOM |
Erosive soil degradation |
Morning |
Auditorium |
Auditorium |
Auditorium |
Afternoon |
Alerce
E-42 |
|
Auditorium |
Physical soil degradation and physical constraints |
Morning |
|
|
|
Afternoon |
Auditorium |
Auditorium |
|
Desertification and drylands |
Morning |
|
|
|
Afternoon |
Araucaria
E-41 |
Araucaria
E-41 |
|
Institutional and socioeconomic issues |
Morning |
Araucaria
E-41 |
Araucaria
E-41 |
Araucaria
E-41 |
Afternoon |
|
|
|
Chemical soil degradation and chemical constraints |
Morning |
Alerce
E-42 |
|
Alerce
E-42 |
Afternoon |
|
Alerce
E-42 |
|
Biological soil degradation and biological constraints |
Morning |
|
Alerce
E-42 |
|
Afternoon |
|
|
Araucaria
E-41 |
According to each Commission a total of ?? works were presented and discussed:
COMMISSION |
|
Erosive soil degradation |
19 |
Physical soil degradation and physical constraints |
8 |
Desertification and drylands |
8 |
Institutional and socioeconomic issues |
? |
Chemical soil degradation and chemical constraints |
? |
Biological soil degradation and biological
constraints |
? |
III. Poster work presentations. During the Congress
a total of XX posters were presented, which two were prized as (national
and international) best works:
-
Sierra
C., R. Olivares. CERO LABRANZA CON MANEJO DE RESIDUOS Y LABRANZA CONVENCIONAL,
EN VID DE MESA Crimson Seedless, EN LA COMUNA DE MONTE PATRIA.
-
Gaspar
L., A. Navas, D. Walling, J.
Machín. 2010. ASSESSING THE EFFECT OF LAND USE ON SOIL REDISTRIBUTION
ON MEDITERRANEAN MOUNTAIN SLOPES USING 210Pbex AND 137Cs.
IV. Field excursions. Three travels to different ecological sites were realized to show
diverse geomorphologic and productive situations in central Chile (Wednesday
10 Nov.):
-
Full Day Andean Mountain: Maipo Valley - Winery Concha y Toro - National Forest Reserve (Clarillo River).
-
Full Day Coastal Range: San Pedro Watershed Erosion Project - Coastal Beach
(Santo Domingo)- Leyda Winery.
-
Full Day Pacific Ocean: Casablanca Valley- Winery Emiliana- National Forest Reserve (Peñuela´s Lake).
All works presented were printed in two documents and distributed:
-
ISCO-Chile. 2010a. 16th International Soil Conservation Organization Congress Proceeding. Conferences and Abstracts. Casanova
M., Ruíz G., Zagal E. (Eds). 17? p.
-
ISCO-Chile. 2010b. 16th International Soil Conservation Organization Congress Proceeding. Works in extenso. Casanova M., Ruíz G., Zagal E. (Eds). 400 p.
A general tour-guide was prepared to Field Excursions:
-
Casanova M., Salazar O., Ruíz G. 2010. General Overview of Physical Chile for Field workshops, 16th International Soil Conservation Organization Congress. 37 p.
Preliminary conclusions within each commission
were prepared and discussed with assistants, then were presented in
a plenary session during Friday 12 Nov.:
Erosive soil degradation Commission. Conclusions
Celio
Chagas, Neal Stolpe and Christian Prat.
Temáticas abordadas en la Comisión de Degradación
Erosiva de las Tierras:
-
Políticas para el control de la
degradación, transferencia de tecnología y adopción de prácticas incluyendo los problemas
institucionales al realizar proyectos de desarrollo sin tener en cuenta
la degradación de las tierras.
-
Estudios integrales de degradación a escala de cuenca, de paisaje
y regionales.
-
Estudios específicos de interacción entre escurrimiento, erosión y manejo de los suelos.
-
Pedogénesis y su relación con la degradación de suelos.
-
Estudios metodológicos, de investigación básica y empleo de modelos predictivos de degradación.
Hubo 19 presentaciones orales y 15 pósters sobre
esta temática. Asistieron a esta Comisión entre 30 y 40 personas,
que representaron a 11 países: Chile, Venezuela, Colombia, Brasil,
Argentina, España, Estados Unidos, Austria, Italia, Francia y China.
En general se ha reafirmado lo que ya se conocía
acerca de:
-
Conocer los tipos y grado de limitaciones de
uso del suelo para realizar una planificar racional del mismo, empleando
sistemas como la clasificación por capacidad de uso de las tierras y adaptándola de acuerdo a la escala apropiada.
-
Se registran menores pérdidas de suelo con buena cobertura
de rastrojos, vegetación viva, rugosidad superficial,
labranzas conservacionistas y con prácticas estructurales y complementarias.
-
Los modelos y los sistemas de información geográfica pueden apoyar la planificación del uso del suelo tomando
en cuenta la elección de la escala adecuada.
-
Los planes de manejo integrado de cuencas permiten
hacer un uso racional de las mismas.
-
Los planes gubernamentales de conservación de suelos deben basarse necesariamente
en conocimientos adecuados acerca de la degradación de las tierras.
Se plantean los desafíos futuros siguientes:
-
Tener siempre presente que el suelo constituye un organismo vivo.
- Asociar desde un principio a los productores
rurales en los planes de manejo integrado de cuencas.
-
Fomentar la educación en diferentes niveles académicos acerca de las temáticas planteadas respecto del
suelo y el agua
-
Intensificar el conocimiento de la relación suelo/agua.
-
Tener en cuenta los servicios
ecosistémicos del suelo y el agua en
los estudios de degradación.
-
Tender a mejorar el suelo y no solo a conservarlo
en la medida que las circunstancias lo permitan, mejorando también la gestión de los recursos hídricos.
-
Enfocarse más en actuar sobre las causas
de la degradación y no solamente en sus consecuencias.
-
Incorporar la temática del cambio global, la
variabilidad climática y la ocurrencia de eventos
extremos, en los estudios acerca de la degradación de suelos y aguas.
-
Incentivar las políticas que apuntan a las producciones
sustentables a nivel de los distintos países.
-
Considerar la problemática de la desaparición de tierras productivas por
efectos del avance de la urbanización y de las vías de comunicación.
-
Conservar y/o ampliar el número y las superficies destinadas
a los campos experimentales donde se prueban prácticas de manejo para el control
de procesos degradativos.
-
Promover la implementación de observatorios para monitorear la evolución a largo plazo del funcionamiento de los sistemas
agro-forestal-urbanos. Esto serviría además como referencia a nivel nacional y mundial, en particular
respecto de la gestión del carbono.
-
Promover la investigación acerca de las prácticas de manejo del suelo y el agua que permitan
reducir el consumo de energía y hacer un uso eficiente de la misma
-
Promover la agricultura orgánica y de manera más general sistemas agropecuarios-forestales
ecónomos en insumos basados en
recursos no renovables (temáticas de plaguicidas y agroquímicos).
-
Promover la realización de trabajos experimentales
que tomen en cuenta los recursos naturales y los aspectos económico-sociales.
-
Integrar en la legislación las temáticas sobre conservación de suelos y aguas.
-
Utilizar los fondos de crédito de carbono para financiar
las iniciativas antes mencionadas.
Biological/Chemical soil degradation
and biological/chemical soil constraints Commission. Conclusions.
Verónica
Acosta, Samir A. El- Swaify, Cristina Muñoz, Osvaldo Salazar and Jorge
Paolini
-
We had very diverse talks
during Tuesday morning and Thursday afternoon session of soil biological properties
and biological constraints
-
Talks provided an overview
of soil management in South America, from Brazil and Chile, as affected by no-tillage, manure, biosolids
and the combination of no-tillage with crop rotations.
-
The talks highlighted the
sensitivity of the soil microbial component to management and how they
are early indicators of other soil properties, possibly providing indications of changes in soil quality
and functioning.
-
One of the talks was about
soil mycorrhizal fungi as affected by no-tillage, as well as other soil
properties, on the site maintained by our colleague Mr. Carlos Crovetto
from Chequen Chile, who presented o Tuesday morning.
-
It was interesting the overview
given of the importance of mycorrhiza for plant nutrition and water
availability and for the soil nutrient cycling, and the fact that glomalin
a product of mycorrhiza can be a good cementing agent for soil aggregation process.
-
The speaker Gustavo Curaqueo
explained that in this site under pasture, these properties have been
increased up to about 6 yrs but there has been a decrease over time
up to an assessment of the 20 yrs, which is just a consideration of the compaction reached in
this system, and that they are recommending at least some minimum disturbance
to aerate the system again and to reduce further compaction.
-
Comments were raised on the
fact that it is still expected that aggregation, mychorrizal populations levels reached
here must be for sure much higher than a soil under intensive tillage.
They just do not have a site to compare with.
-
Another speaker, Claudivan
Costa de Lima (pg 81), gave us a very nice overview of the use of several types of compost materials as soil amendments
in Brazil, a way to increase soil organic matter, as we know how important
SOM is to improve soil water holding capacity and other properties important
for plant growth/productivity.
-
It was very interesting to learn about the use of different sugarcane
products, like the “bagasse” combined with sugarcane ash and chicken manure (Bagazzo
de cana, cenizas de bagazo de cana, and estiercol de gallina) as well
as this component mixed with inorganic fertilizers (urease, phosphate rocks, etc).
-
De Lima emphasized there was
higher soil C loss with the use of the compost mixed with inorganic
fertilizers (rock powder= polvo de roca y fertilizantes solubles), but
the lowest C loss and more changes in the SOM were found with compost having more organic materials.
- He also emphasized the importance
of the management of the compost chemical composition to avoid rapid
degradation and potential loss of labile compounds into the nearby ecosystem
boundaries.
-
This talk emphasizes that we need to expand our understanding
of the soil responses to so many options of organic materials we may
have depending on the region.
3- talks :
-
We found very interesting
a talk from Brazil by Bolonhezi, where it is suggested to use sugarcane for biodiesel future increasing demands
as an alternative/replacement of the traditional burning practice, and
how this practice “Green Harvesting of Sugarcane” ….because it can significantly reduce CO2 emissions compared to burning, plus even more reductions in CO2 emissions are reached under no-tillage compared
to conventional tillage.
-
Another talk from a region
in Chile by Carolina Inostroza, where biosolids from a local industry,
which involves no cost of transportation, may be an option for providing some organic matter back to soils that
were explained to be severely eroded over 100 yrs of mismanagement.
-
I also wanted to add here
my talk from another session which is a research on the soil microbial
component, which changed in a pasture after 5 yrs only compared to our typical practice
of continuous monoculture of cotton, and a rotation of wheat-rye-cotton-fallow
periods took longer 7-8 years to differentiate from continuous cotton.
Both the pasture and the rotation are seen as an “integrated livestock-cotton system”. This is a system as an alternative management
for monoculture and the intensive tillage applied due to social tradition
in the region evaluated in the US.
-
We want to emphasize that
these talks are examples on how sometimes the options are not easy, may seem to contradict
what we consider more conservative practices (biofuels and biosolids,
and the case of livestock production which can feed less people that
cropping), but perhaps they are option that can be explored with caution, and of course long term evaluation are needed
to address soil quality changes and functioning.
-
There was another talk by
a colleague that could not present in another session about a national
program in Chile by CONAF in which they were trying to plant > 1 million ha with Pinus radiata and some other
vegetation, and this revegetation after only 5 years successfully
increased biomass, surface cover and other parameters. Questions or
considerations significant soil conservation efforts is that it would be very good to address the changes in soil microbial
properties
- We had a total of 8 posters
related to soil biology (evaluation of greenhouse gas emissions , microbial
activity and enzymology)
-
Within the conclusion of sessions
we just had today, there was a suggestion to create a session on “new or unique management practices/technology approaches” that are perhaps not practiced in other regions,
for example the talk on “Green Sugarcane harvesting”.
-
Overall, it is a common consensus
that the soil microbial component is very key to soil nutrient cycling
and to accomplish soil detoxification. We want to add that the area
of soil biology needs to be explored further, and we hope to get the
attention of research presentations in the areas of soil microbial diversity and their link to soil functioning for
future talks.
Soil chemistry and soil biology sessions were
together, and I just wanted to give an overview of the fact that the
group emphasized the integral link between these 2 soil properties (biological
and chemical):
In terms of soil chemistry, this group emphasized the
-
Soil salinity as a international
problem: add sodicity (alkalinity). Add HCO3 in water to increase soil pH in arid zones
-
The microbiology aspects were
discussed in relation to mycorrhizas as indicators of progress and improvements
in soil functioning
- Impacts of soil chemical properties
SOM incorporation was emphasized as the key
target to increase soil quality (chemical, physical and microbiological
properties), and a consensus was that soil biology and chemistry are linked by the SOM.
Thus, composting processes and applications were emphasized as key practices
to impact directly/first the soil biology and chemistry. The importance
of incorporation of SOM to restore contaminated sites in the world,
C sequestration and increase microbial activity and diversity were points
discussed.
Physical soil degradation and
physical soil constraints Commission. Conclusions.
Reginaldo
Barboza da Silva and Marco Sandoval.
Dentro de los trabajos se pueden identificar que las temáticas tratadas se
relacionaron con problemas tanto productivos como ambientales.
La tendencia observada en los trabajos presentados muestran una visión
de la física de suelo más amplia que la tradicional, cuya preocupación
anterior se centraba más en los problemas de mecánicos,
hidráulicos e índices físicos de los suelos.
Hoy pareciera que hasta (la física de suelo) asume una integración
de otros problemas como son los aspectos ambientales en la producción
silvoagropecuria sostenible, que se da respuesta mediante la integración
de otras disciplinas de manera de resolver de mejor
manera los problemas actuales, además, existe una clara
tendencia a trabajar con indicadores que son evaluados en campo (datos
expeditos) y a la búsqueda de metodologías en los laboratorios
más rápidas y de menor costo.
Las investigaciones también apuntan a dar luces y facilitar la toma de decisiones
a nivel de políticas públicas, de manera de generar nuevas o
cambiar otras, y de esta forma focalizarlas a los problemas reales y
hacer más eficientes el siempre escaso apoyo económico proveniente
de los gobiernos.
En la
Figura siguiente se discute la distribución de la participación
de las distintas comisiones con relación al total de trabajos presentados
en el 16º Congreso de la Organización Internacional de Conservación
de Suelo, ISCO 2010.
La participación del área de física correspondió a 14%, esto
es considerado bajo, sin embargo, se debe entender que ésta es un
área que habitualmente es relegada, en relación a los financiamientos
existentes para la investigación.
Desertification and drylands
Commision. Conclusions.
Ildefonso
Pla Sentís and Mario Ahumada.
General conclusions
-
The papers
presented were very diverse according with the poor precision in the
definition of “desertification”, and represented experiences under very different conditions
in Australia, Asia, Latin América, USA and Africa. The papers
varied from analysis of the causes, both climatic and human induced,
of desertification, and from the effects of desertification on the biology
and C content in the soil, to the test and recommendations of land use
and management to prevent and even revert such processes. In all cases,
desertification is considered as an advanced process of soil and soil
cover degradation.
-
The different
studies about desertification processes were generally based
on the consequences or potential effects of the present or previewed
climate changes, taking also into consideration the influence of human
activities derived of the population growth and associated social and
economical pressures.
-
Many of
the reported causes of the desertification processes are derived of
negative changes in the hydrological processes. As a consequence, the
studies and practices looking for the prevention and reversion of the
desertification processes include the control and improvement
of such hydrological processes, specially the ones related with the
infiltration, runoff and retention of rainwater in the soil, with the
management of irrigation water and drainage, and with the extraction
and use of ground water.
-
Generally
the presented papers agreed in that there is a great relation among
the processes of soil and land desertification and the decrease of organic
matter content and of microbiological activities in the soil. Therefore,
the land use and management practices promoting the conservation
or recovery of such aspects must contribute to the prevention and reversion
of the desertification processes.
-
There was
agreed that frequently the processes of land desertification, at least
at short and medium range, are more a consequence of land use
and management changes, associated to specific situations of population,
social and economic pressures, than to the previewed climate changes.
Moreover, the desertification processes are not exclusive of arid and
semiarid zones, because with some combinations of soils, topography
and land use and management it is possible to reach desertification
in areas with more humid climates.
Recommendations
The
studies and research about desertification processes have to include
mainly the hydrological changes caused both by the climate changes and
by the land use and management, as well as the factors leading to such
use and management. The recommended solutions for the prevention, control
and reversion of such processes of desertification must take into consideration
those aspects. In any case, we have to consider the site specific situations,
because there are not solutions with universal or permanent application,
which also have to be adjusted to the changing technological, social,
economical and political situations.
Institutional and socio-economic
issues Commision. Conclusions.
José
Luis Rubio and Samuel Francke.
Se ha contado con la presentación de trabajos
de países como Chile, Brasil, México, Venezuela, República Checa y de FAO como
institución.
Se presentan diversas experiencias de proyectos, programas y estudio:
-
Recuperación y rehabilitación en comunidades
-
Conservación y restauración de suelos degradados para
comunidades
Para garantizar la sostenibilidad se recomienda su inserción en las políticas públicas
de conservación de suelos de los diversos países.
A partir de las experiencias, de países como
Chile y México, se desarrollan y aplican sistemas de incentivos para
la recuperación de suelos degradados, se recomienda evaluar y monitorear el impacto
de las prácticas, obras y la percepción por parte de las comunidades.
En la aplicación de programas de conservación
de suelos y aguas, se recomienda considerar los principios de adaptación, adopción, replicación, continuidad y motivación de las
comunidades.
Para una gestión integrada y sostenible de conservación de suelos
se recomienda armonizar las componentes político-institucionales, técnico ambientales y de participación
social.
En el establecimiento, definiciones de directrices y marcos legales
en materia de conservación de suelos resulta fundamental garantizar
la multifuncionalidad del recurso suelo
en los aspectos ambientales, económicos y socioculturales.
En los ambientales, son de vital relevancia las funciones de regulación climática
y del papel del suelo en el secuestro de carbono.
De acuerdo a las experiencias presentadas se constata, como tendencia
general, que los países se encuentran en una fase de transición desde un modelo
de desarrollo no conservacionista del suelo hacia un modelo de desarrollo
de conservación de suelos.
Se mantiene en diferentes países un círculo vicioso entre la
degradación del suelo y los recursos naturales y la degradación sociocultural.
Se han presentado correlaciones directas y multifactoriales
entre erosión y marginación social,
en función del análisis global de deterioro ambiental.
Entre las prácticas no sostenibles que afectan a la conservación
de suelos se encuentra:
-
El uso de suelo sin considerar su aptitud
- Los incendios forestales
-
La deforestación
-
La quema de residuos orgánicos
- El arado a favor de la pendiente
- Cultivo inadecuado en laderas
- Los monocultivos reiterados
-
La sobre utilización agrícola ganadera
-
La expansión urbana sobre las zonas agrícolas.
Las consecuencias de la aplicación de un modelo
no conservacionista de un suelo se expresan en:
-
Proceso de degradación de suelos y desertificación
-
Procesos de colmatación y sedimentación de cuencas hidrográficas
-
Erosión social o pauperización rural
-
Migración Campo-Ciudad.
Perspectivas de la Conservación de Suelos:
1. Modelo de desarrollo para la conservación y restauraciòn del
suelo: El avance hacia un modelo de desarrollo para la conservación
de suelo requiere de un cambio cultural “Verde” en los niveles
políticos, institucionales, técnicos y comunidades, en post
de un manejo y gestión integrada y sostenible
del recurso suelo.
2. De acuerdo a las experiencias presentadas se recomienda considerar
prácticas tales como:
-
Labranza adecuada (labranza mínima, …)
-
Agricultura orgánica
- Biofertilizantes
- Compostaje y manejo de residuos.
-
Técnicas de bioingenieria, mecánicas o hidrotecnias de conservación de suelos y aguas.
-
Técnicas de control de erosión
-
Forestación y Reforestación
-
Revegetación de especies Nativas
-
Zonas de amortiguación o Biofiltros.
- Sistemas agrosilvopastorales
-
Consolidación de tierras (Land Consolidation),
-
Entre otras.
3. De acuerdo a las presentaciones realizadas se recomienda a la microcuenca hidrográfica como unidad de planificación y gestión
en base a un micro ordenamiento territorial, para la aplicación de
técnicas y prácticas de conservación de suelos y aguas.
4. Se recomienda la aplicación de programas de capacitación (unidades de demostración
y énfasis en acciones participativas) e incorporación de los
programas de conservación de suelos en los sistemas educativos a nivel técnico,
universitario, educación básica y secundaria que resalta la importancia
y la multifuncionalidad del recurso suelo.
Así como también programas de difusión y campañas de sensibilización.
SOME CONCLUSIONS
Jose Luis Rubio.
President ESSC. Centro de Investigaciones sobre
Desertificación-CIDE (CSIC, Universidad de Valencia, Generalitat Valenciana)
Main global problems
-
Increase food production to avoid food
security problems
- Global climate change
- Water scarcity and water quality
- Land use changes (urban expansion, soil consumption)
- Land degradation-desertification-migrations
- Environmental security
-
Land contamination, residues and wastes
-
Loss of biodiversity and landscape quality
-
Alternative sources of energy: biofuels and
H2 cells
¡¡¡The answers
are related to soil¡¡¡
Some questions-Challenges.
Expanding the concept of Soil Conservation.
-
How incorporate the economic value of soil and soil services
-
How to improve perception of soil as biosphere crucial system
- How to cope with heterogeneity, methodologies
and new technologies-approaches
-
How to cope with multifunctionallity and other scientific and societal new demands
-
How influence decision makers
-
…..
The issue today.
- Soil as a crucial natural resource
- Land-soil scarcity
- New soil paradigms : Multifunctional medium
-
Incorporating soil inputs to environmental
global problems: Climate change, Combating land degradation-desertification,
food security, water scarcity,…
-
MORE OPPORTUNITIES
THAN EVER BEFORE¡¡¡ Young researchers¡¡¡
Research aspects.
-
Multifunctional approaches-Soil quality
- Integrated approaches for monitoring assessment
- Increased attention to biotic processes and
biodiversity
-
Carbon cycling and storage
- Soil-water relationships
- Sound soil productivity
- Incorporation new technologies and approaches
-
INNOVATION¡¡¡
The societal and socio-economic
problems.
- Environmental security-conflicts. Human and
socioeconomic consequences
-
In a economicistic society lets talk economic language: Incorporating economic activities: carbon trading, carbon storage,
payment for ecosystem services, certification schemes, economic value
to resist erosion,…
- How society benefits in economic terms
-
Private Sector in Soil Conservation-Bioengineering.
The role of SOIL CONSERVATION
- Knowledge and research gaps
- Societal perception
- Protect the sustainability of soil resources
trough innovation
- Fill de gap between biophysical processes and
socioeconomic context
-
Improve soil structure and fertility
- Improve soil ecological functions
Three main issues for
soil conservation
-
Increasing food production trough a more ecological agriculture
-
Application to ecological regulating functions, biodiversity and landscape
-
Reinforcing the soil regulation capacity of water resources.