One speaks about gallery-forest when the Canopée is jointed with the top of a river or a small river, or a wetland (the presence of water possibly being able to be temporary).
Ecological characteristics
From the point of view of the ecology of the landscape, the Forest - gallery constitutes a particular type of biological Corridor; at the same time forest and watery or Paludous).Elle contributes by its canopée jointed to facilitate the crossing of river to a certain number of species, either by canopée (the squirrels, small mammalian, insects), or via the many tree trunks dead or alive which make " pont" with the top of the river.
La forest gallery maintains a more moderate microclimate with the top the river.
In the northern hemisphere, where the Castor S are present, the latter maintain discontinuities open in this type of forest, very favorable to an increase in the biodiversity. If their stoppings are very broad, they can also locally make disappear this type of forest by drowning the trees from linear of the old bank.
In Tropical zone , the shade is permanent there, in climate moderate or cold, the shade is dense there only in summer, and the great quantity of dead sheets which fall into water confers different characteristics on the subjacent watery habitats.
This type of forest strongly regressed in Europe and in all the very anthropized zones of the world.
On tries to restore it for example on the dead arms or of the affluents of the Rhine.
See too
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