Delta: the fragility of a space.
Geographically speaking, a delta is a coastal accident; likewise, it is the result of the combination between the fall dependent on the terrestrial relief and the movement of sediments and nutrients that a river sends in his river mouth to the sea. It shapes a few special characteristics in the territory that determines the way of life of all the alive beings who live it, be nomadic or sedentary. The most important humedal of the western Mediterranean, led by the river Ebro, one of the more notable riverbeds of sweet water in this aquatic space of the globe, with 930 kilometres of length, "suffers" this situation from the centuries XIV-XV. The great deforestation in this epoch was creating an exclusive landscape, growing up to your definitive form in the last century. Nowadays, the incisive action of the climatic change threatens a place where, apart from the animal and vegetable richness of singularities and notable exemplary natures, persons' multitude, families and villages have a life with an uncertain future that they refuse to leave. It also there join several scientific already verified questions: the highest rate of evapo-perspiration of the continent and, on the contrary, the lowest rainfalls.
We can consider the Iberian peninsula to be, so, the most arid of the European continent.
The Hydrological National Plan called of the year 2001 (later 2005) was the drop that never fulfilled the glass and rather. A few policies that were wishing a transfer of his waters towards other distant communities, without bearing in mind questions of social, cultural nature and ecologically. The denial on the part of implied and experts it was not made wait, being the response of a logical transcendency, being reflected in all the means and the press of the country.
There is a concept that it is necessary to to bear in mind at the moment of valuing all these circumstances: the "impermanencia" (impermanency), term to which there refers the title of this commentary. In your final section, a river always fights against all the elements that harm it in his zeal to way be made towards the sea: tides, winds, etc. It is the whole geodynamic process of progression - regression, which believes a few balances of maximum polarity in all the levels of habitability. The humanization, therefore, became very difficult in as what historical periods and the current one it is of extreme controversy in view of the environmental and socioeconomic interest of the zone, since your inhabitants continue in the place that saw them to be born, contributing work and expectations for future, conscious years of the importance of this portion of land, seemingly sandy and barren, but tasty and nice. The genius Picasso lived closely and this way him was.