Quercus suber
Quercus suber was elected in 2012 the national tree of Portugal. It is slow-growing and long-lived, some individuals surviving to 250 years of age. Cork oak landscapes are mosaics of forest habitats, comprising cork, holm and deciduous oak species, stone and maritime pines, wild olive trees, maquis (a type of Mediterranean shrubland), and pasture. Native…
JRA
Ribeira de Águas Fortes’ biodiversity threatened by acid drainage
Ribeira de Águas Fortes’, a water course near Ajustrel’s mine. Aljustrel. (Alentejo, Portugal). Acid drainage problems are common in pyrite mines. It’s formed when sulfuric minerals that were in deep areas are exposed to oxygen and water, reacting into sulphates (acid substances). A group of students at Colégio Valsassina conduced an investigation, to Ribeira das…
João Carlos Serra e Moura Gomes
Garrano: um património nacional e um insubstituível recurso biológico.
Parte do núcleo de garranos bravios do Parque Nacional da Peneda-Gerês. Janeiro 2013. Garanhão do núcleo de garranos do Parque Nacional da Peneda-Gerês. Um exemplar perfeito da raça garrana. O garrano tem a sua origem no cavalo Ibérico pré-histórico que era característico das regiões montanhosas do norte da Península Ibérica. Pinturas rupestres em locais como…
The Planet’s Kidneys
Tagus River Saltmarsh. Nation’s Park North Zone. Lisbon. In addition to the ecological value, the economic value of the saltmarshes cannot be ignored, since 70% of the species with fishing interests[1] go through most of its life cycles in the estuarine zones. Spartina maritima (common name Morraça) in Tagus River Saltmarsh (March 2013). It’s a…
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