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Back to Lesson 5: ROCKS AND LANSCAPES |
| BOTANICAL
GARDEN "EL CASTILLEJO" EL BOSQUE, March the 9th, 2006 |
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What's a botanical garden? A garden whose plants have a scientific label. Red circles show you which plants are in extinction danger. |
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Some uses of the plants in the Sierra de Cádiz: coal, roofs, aromatic essences... |
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We can see several types of vegetation in the Botanical Garden. |
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Dehesas
en los montes próximos |
Vegetación
de las altas cumbres |
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Students studying in pairs the landscapes represented in the Garden. |
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Students
painting and getting
the same green colour and brown colour they see in nature.
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Around the
Botanical Garden there are many pine trees. However, many
years ago there was a wood made of oak trees (quejigos). Oaks were cut
and just few of them are still alive. The ground without plants was
subject of an intense erosion. Sowing pine trees was decided because
they grow very fast and can protect soils. At the moment, a new
generation of oak trees is appearing, "a la sombra de los pinos".
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 Sierra
de
Albarracín antes de la repoblación
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 Sierra
de
Albarracín en el año 1991
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 Pinos de repoblación junto a El Castillejo. |
 Obsérvese los surcos que llegan a excavar las aguas de arroyada en los terrenos pendientes desprovistos de vegetación. |
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 Un pino recién caído nos informa de que la repoblación tuvo lugar hace 44 años. |
 Estos quejigos viejos y desmochados tienen edades superiores a los 200 años. |
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 Calco de una hoja de quejigo. |
 Manolo Canto, monitor de educación ambiental del Jardín Botánico El Castillejo. |
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