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Terrestrial and freshwater biodiversity of the Madeira and Selvagens archipelagos

As ilhas atlânticas dos Açores, Madeira, Selvagens, Canárias e Cabo Verde constituem uma das regiões da Europa mais ricas em diversidade de fungos, plantas e animais. Desde 2004 que a inventariação detalhada da diversidade destas ilhas tem sido um dos principais objectivos dos projectos ATLÂNTICO e BIONATURA (incluídos no projecto EU INTERREG IIIB). Este livro é a mais recente contribuição destes projectos, apr...

Using predictive models of species distribution to validate biodiversity data: ...

Os modelos preditivos de distribuição de espécies são uma importante ferramenta para lidar com a falta de informação biogeográfica existente para a maior parte dos taxa. Com esta técnica, estabelece -se uma relação entre a variável dependente (presença/ausência de uma espécie) e um conjunto de variáveis potencialmente preditoras, e é criado um mapa com a probabilidade de presença da espécie para uma determinada...

List of problematic species

Invasive alien species in Macaronesia

"[…]. As a consequence of all the geographic conditions and of historical events, the Canaries show the richest biodiversity. As an example, regarding endemic taxa, the Canaries have 524 vascular plants and 2768 arthropods (Martín Esquivel et al. 2005) while the Azores have 72 and 267, respectively (Borges et al. 2005) and the archipelagos of Madeira and Selvagens altogether have 154 and 979 (Borges et al. 2008...

Catálogo sintaxonómico e florístico das comunidades vegetais da Madeira e do Po...

The vegetation of Madeira: II - woody caulirosetted communities of evergreen fo...

The endemic caulirosetted microphanerophytes [with a rosette of leaves on top of a long woody few-branched naked stem] – e.g. Euphorbia mellifera, Isoplexis sceptrum, Melanoselinum decipens, Musschia wollastonii and Sonchus fruticosus – are among the most striking plants of Madeira Island. They are often found in the "levadas" artificial system of channels that runs through the Ocotea foetens forest [Clethro ar...

The vegetation of Madeira: V - Lino stricti-Stipetum capensis, ass. nova and Vi...

Porto Santo is a deeply eroded oceanic island. The human uses of the territory led to a massive destruction of its primitive vegetation cover and its substitution by new types of vegetation constituted by plants adapted to the novel perturbation regimes introduced by human settlers. A vegetation cover once dominated by trees or shrubs that evolved isolated from herbivory during millions of years, was replaced s...

The vegetation of Madeira: IV - Coastal Vegetation of Porto Santo Island (Archi...

The littoral geomorphology of the Porto Santo Island is of paramount importance in the coastal phytocoenosis assemblage: the southern part of the island has an 8 km long sand beach with littoral sandstone platforms in its eastern extreme; sandstone or volcanic (mostly trachits) sea cliffs predominate in the rest of the island; in the northern part of the island, near the airport, there is an elevated dune (more...

The vegetation of Madeira: III - Diplazio caudati-Perseetum indici ass. nova a...

Descriptions of forest vegetation of Madeira Island included, so far, two types of climatophylous broadleaf forest vegetation – Clethro arboreae-Ocoteetum foetentis and Semele androgynae- Apollonietum barbujanae – with an arboreal stratum respectively dominated by two Lauraceae trees: Ocotea foetens [til] and Apollonias barbujana [barbusano]. Recently, we discovered that the other Lauraceae Madeira's tree – Per...