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The Poplar:

Trees or shrubs, leaves simple, alternate and deciduous, usually broad and entire margins, serrated, lobed, toothed or festomeados. Its buds are covered in scales. The petiole is long and glands. It often comes as compressed laterally, giving greater mobilityto the sheet. The fruit is greenish in color and becomes brown when mature. Releases many small seeds that looks like cotton balls. Species are light and strong temperament.They often show great eagerness to the water so it is often found next to streams or surface water courses revealing underground. Fast growing and can reach great heights.They need plenty of nutrients. It is grown in wet seasons and move water rich in nutrients.Its wood is of good quality, apesarde be a kind of rapid growth: There are places that grows over 20m3/ha/año. They are also good as shade trees in parks and promenades.

Natural elements:

Grass.
Bushes.
Poplars.
Madera.
Crust.
Nits.
Landa.
Natural stone.
Water.
Air.
Earth.
Leaves.
Flores.
Trunks.
Oxygen.

Artificial elements:

Metal.
Hierro.
Painting.
Aluminum.
Goma.
Swings.
Paving.
Grava.
Cristal.
Tela.
Paper.
Artificial stone.
Lights.
Plastic.
Bricks.

The oak:

As is:

It is a strong tree, not very tall, large, rounded crown and grayish or brownish thin crust.
Its fruit is the acorn grows denominating shrub oak or squat.
Remains evergreen because their leaves are coriaceous persistentes.Son whole thing
and ovaladas.Es green, dark gray and the beam on the underside.
The fruit (Acorn), is covered with crushed flakes and falls in November.
Where it grows:

Fits Mediterranean climate characterized by summer drought, the weather holds up well in all types continentales.Vive soil except waterlogged, saline implants and casting.
Used for:

The oak wood is hard and heavy compact.
It is somewhat difficult to work, has a high heat capacity of producing a remarkable qualitycharcoal.
When coppicing is used as for obtaining firewood, common practice in some area. often have a bushy appearance.