Producción de bionergía en areas rurales. - imida
Producción de bionergía en areas rurales. - imida
Producción de bionergía en areas rurales. - imida
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A new balance?<br />
Carduelis carduelis<br />
• The biomass-plants can<br />
produce food that favor<br />
some species of birds<br />
• Losses in seed production<br />
Silybum marianum<br />
http://elsilvestrismo.blogspot.es/<br />
Environm<strong>en</strong>tal impacts of <strong>en</strong>ergy crops and <strong>en</strong>vironm<strong>en</strong>tal problems related to abandonm<strong>en</strong>t of marginal croplands in a Mediterranean area<br />
Steppe birds<br />
• Agro-steppes: land op<strong>en</strong> with cereal cultivation not irrigated and<br />
ext<strong>en</strong>sive grazing.<br />
• Greater importance in Spain, both the huge area it occupies and<br />
its relevance to economic, social and landscape<br />
• Threat<strong>en</strong>ed or <strong>en</strong>dangered bird species: Otis tarda, Tetrax tetrax,<br />
Burhinus oedicnemus, Pterocles alchata, Pterocles ori<strong>en</strong>talis,<br />
Circus cyaneus, Circus pygargus, …...<br />
• Most important threats:<br />
‣ processes of int<strong>en</strong>sification<br />
‣ increase of chemical compounds (fertilizers, pestici<strong>de</strong>s)<br />
‣ poisoning or diminishes the fauna of invertebrates<br />
‣ change in the traditional agricultural cal<strong>en</strong>dar<br />
‣ rain-fed irrigation implem<strong>en</strong>tation<br />
fed irrigation implem<strong>en</strong>tation<br />
‣ reforestation of agricultural lands<br />
reforestation of agricultural lands<br />
‣ BIOMASS CROPS ?<br />
Environm<strong>en</strong>tal impacts of <strong>en</strong>ergy crops and <strong>en</strong>vironm<strong>en</strong>tal problems related to abandonm<strong>en</strong>t of marginal croplands in a Mediterranean area<br />
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