Diapositiva 1

1
THE CABECERO BLACK POPLAR IN THE SOUTH OF ARAGON
Chabier de Jaime cdejaime_at_educa.aragon.es Centro
de Estudios del Jiloca Calamocha (Aragón)
Vendôme, 27 Octobre 2006
2
What is a cabecero black poplar?

• Morfology

• Trunk
• Bolling
• Main branches (balks)
• Roots
• Leaves
• Flowers
• Fruits

3
What is a cabecero black poplar?

• Traditional management and changes in a trees
  life

• Planting
• Formation
• Productive prunning
• Maturity
• Bolling growing
• Decay and dead

4
What is a cabecero black poplar?

• Trunk size (Pancrudo river basin)

5
What is a cabecero black poplar?

• Veteran trees

6
Cabecero black poplar product of a agroforestry
exploitation

• Multiplicity of uses

• Balks for building
• Local and abundant resource
• Absence of another forests
• Varieties selection

7
Cabecero black poplar product of a agroforestry
exploitation

• Multiplicity of uses

• Balks for building
• Very good attributes

8
Cabecero black poplar product of a agroforestry
exploitation

• Multiplicity of uses

• Combustible
• Traditional use
• Domestic (cold and long winters)
• Local industry (ovens)
• Present use
• Home (trivial)

9
Cabecero black poplar product of a agroforestry
exploitation

• Multiplicity of uses

• Livestock food
• Fodder
• Grazing (tree pasture )
• Livestock trials

10
Cabecero black poplar product of a agroforestry
exploitation

• Multiplicity of uses

• Borders farming properties protection front
  erosion rivers

11
Cabecero black poplar product of a agroforestry
exploitation

• Multiplicity of uses

• Another uses
• Wood packing
• Public festivities (bonfire)
• Lightning conductor
• Gardening
• Carpentry

12
Cabecero black poplar product of a agroforestry
exploitation

• Importance in the farming economy

• An ancient use
• More than a complement for farming economy
• Investment at long-term
• Competition with agrarian production

13
Cabecero black poplar hidrologic importance

• Stabilization and restoration of beds

• Improves hidrologic behaviour basin
• Damps the influence of the basin in bed
• Draws form and line in bed

14
Cabecero black poplar hidrologic importance

• Hidrological functions of riverside vegetation

• Stops rain with leaves and branches
• Retains particles of the ground
• Keeps ground qualities

15
Cabecero black poplar ecological importance

• Improvement of water conditions in rivers

• Shady cuts down water temperature
• Making refuge for acuatic animals
• Soaks up water contamination

16
Cabecero black poplar ecological importance

• Making local microclimates

• Cuts down termic oscilation
• Humidifies the air
• Slows down the wind

17
Cabecero black poplar ecological importance

• Increases biodiversity

• Bark surface
• Cavities
• Hollows
• Crevices
• Broken branches
• Fallen trunks

18
Cabecero black poplar ecological importance

• Biodiversity

• Fungi
• Lichens
• Mosses
• Unicelular alga
• Vascular plants

19
Cabecero black poplar ecological importance

• Biodiversity

• Nematodes
• Artropods
• Molluscs

20
Cabecero black poplar ecological importance

• Biodiversity

• Reptiles
• Birds
• Mammals

21
Cabecero black poplar ecological importance

• Rise of the biodiversity in adjacent ecosistems

• Lineal border efect (ecotone)
• Lonely forestries
• Biological corridors

22
Cabecero black poplar scenic value

• Cultural landscape
• Historic landscape
• Country landscape
• Territorial identity

23
Threats for the cabecero black poplar

• Abandoning of the traditional management

• Lost of vigour at the main branches
• Vulnerability against the wind (fallen branches)

24
Threats for the cabecero black poplar

• Abandoning of the traditional management status
  in Pancrudo river basin

25
Threats for the cabecero black poplar

• Decrease in the subsoil water level

• Decrease of global rains
• Increase in water extractions of rivers and
  subsoil
• Canalization of rivers and irrigation ditchs

26
Threats for the cabecero black poplar

• Decrease in the subsoil water level

27
Threats for the cabecero black poplar

• Abandoning of the traditional management
  status in Pancrudo river basin

28
Threats for the cabecero black poplar

• Tree felling

29
Threats for the cabecero black poplar

• Riverside arrangements

30
Threats for the cabecero black poplar

• Agricultural intensification (concentration of
  pieces of ground)

31
A traditional resource with new values

• Country landscape of quality as a turistic
  resource
• Ecological importance
• Wood (renewable energy)

32
A traditional resource with new values

• Artistic value
• Ethnologic value
• Historic interest
• Enviromental Education