Encontrados 7 documentos, a visualizar página 1 de 1

Ordenado por Data

In defence of the entity of Macaronesia as a biogeographical region

Fernández‐Palacios, José María; Otto, Rüdiger; Capelo, Jorge; Caujapé‐Castells, Juli; De Nascimento, Lea; Duarte, Maria Cristina; Elias, Rui B.

Since its coinage ca. 1850 AD by Philip Barker Webb, the biogeographical region of Macaronesia, consisting of the North Atlantic volcanic archipelagos of the Azores, Madeira with the tiny Selvagens, the Canaries and Cabo Verde, and for some authors different continental coastal strips, has been under dispute. Herein, after a brief introduction on the terminology and purpose of regionalism, we recover the origin...


In defence of the entity of Macaronesia as a biogeographical region

Fernández‐Palacios, José María; Otto, Rüdiger; Capelo, Jorge; Caujapé‐Castells, Juli; de Nascimento, Lea; Duarte, Maria Cristina; Elias, Rui B.

Since its coinage ca. 1850 AD by Philip Barker Webb, the biogeographical region of Macaronesia, consisting of theNorth Atlantic volcanic archipelagos of the Azores, Madeira with the tiny Selvagens, the Canaries and Cabo Verde, andfor some authors different continental coastal strips, has been under dispute. Herein, after a brief introduction on the termi-nology and purpose of regionalism, we recover the origins...


The bicentenary of Georg Hartung, a German pioneer geologist, explorer, and ill...

Góis-Marques, Carlos A.; Menezes de Sequeira, Miguel; Madeira, José

We present a tribute to Georg Friedrich Karl Hartung (1821–1891), a less-known, non-academic German geologist, on his 200th birthday anniversary. Influenced by eminent 19th century scientific personalities, such as Oswald Heer, Charles Lyell, and Alexander von Humboldt, he performed pioneer geological observations and sampling in the Azores, Madeira, and Canary Islands volcanic archipelagos. Later in his life, ...


Oceanic Island forests buried by Holocene (Meghalayan) explosive eruptions: pal...

Góis-Marques, Carlos A.; Rubiales, Jose M.; de Nascimento, Lea; Menezes de Sequeira, Miguel; Fernández-Palacios, Jose Maria; Madeira, José

In Faial Island (Azores Archipelago, North Atlantic Ocean), charcoalified and mummified wood fossils have been reported within late Holocene (Meghalayan) pyroclastic deposits from the Caldeira Formation. Due to their recent age, a detailed study conveys a snapshot into Azorean palaeophytodiversity and palaeovegetation, ca. 7–5 centuries before the arrival of Portuguese settlers to the Azores Islands. Here we pr...


Tracing insular woodiness in giant Daucus (s.l.) fruit fossils from the Early P...

Góis-Marques, Carlos A.; De Nascimento, Lea; Fernández-Palacios, Jose Maria; Madeira, José; Menezes de Sequeira, Miguel

Plants on oceanic islands can evolve insular syndromes such as secondary woodiness, a generalized trend found in island floras worldwide. This phenomenon occurs through evolution in situ. It is triggered by ecological and physiological stimuli that transform herbaceous annuals into woody perennials. However, well-dated and informative fossils that could help track and frame the evolution of this syndrome are la...


The Quaternary plant fossil record from the volcanic Islands of Azores (Portuga...

Góis-Marques, Carlos A.; De Nascimento, Lea; Menezes de Sequeira, Miguel; Fernández-Palacios, Jose Maria; Madeira, José

Plant fossils are known from the Azores Islands, yet poorly studied. We present a comprehensive bibliographical review for the archipelago. A first pre-scientific reference dates from late fifteenth century, while the first scientific description was reported in 1821, accounting for trunks in pyroclastic units and silicified plants within hydrothermal deposits. Throughout the second-half of the nineteenth centu...


An expanded molecular phylogeny of Plumbaginaceae, with emphasis on Limonium (s...

Koutroumpa, Konstantina; Theodoridis, Spyros; Warren, Ben H.; Jiménez, Ares; Celep, Ferhat; Doğan, Musa; Romeiras, Maria M.; Santos‐Guerra, Arnoldo

Plumbaginaceae is characterized by a history of multiple taxonomic rearrangements and lacks a broad molecular phylogenetic framework. Limonium is the most species-rich genus of the family with ca. 600 species and cosmopolitan distribution. Its center of diversity is the Mediterranean region, where ca. 70% of all Limonium species are endemic. In this study, we sample 201 Limonium species covering all described i...


7 Resultados

Texto Pesquisado

Refinar resultados

Autor





















Data






Tipo de Documento


Tipo de acesso



Recurso



Assunto