Download Climatic and Environmental History of Isla de los Estados, by Juan Federico Ponce PDF

By Juan Federico Ponce

This e-book is the results of ten years’ of medical study conducted through the authors on Isla de los Estados. The study contains their doctoral thesis and plenty of released clinical papers with regards to the island.

The ebook is split into relevant components. the 1st half covers various social and common points of this distant island and comprises chapters at the medical and historic historical past, physiography with topographical and hydrographical descriptions, weather and oceanographic stream, crops and geology (including stratigraphy, structural geology and geological history).

The moment half includes a reconstruction of the paleoenvironmental, paleoclimatic and paleogeographic background of the island from the final Glacial greatest to the current, correlating with different paleoecological files from the southern a part of Isla Grande de Tierra del Fuego and Patagonia. This moment half additionally encompasses a geomorphological bankruptcy with a characterization of the critical erosive glacial landforms on Isla de los Estados built by way of morphometric research, inventories, maps, paleogeographic and glacial versions, and a paleoecological bankruptcy comparing the palaeoenvironment and palaeoclimatic stipulations that prevailed through the overdue Pleistocene-Holocene occasions in line with pollen and diatom research from 3 14C-dated peat bathrooms and lakes. ultimately, the e-book concludes with a overview of the island’s archaeology and the connection among the palaeoenvironmental heritage and human career of this island.

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Additional resources for Climatic and Environmental History of Isla de los Estados, Argentina

Sample text

Within the moorland, Gunnera magellanica, Blechnum penna-marina and Luzuriaga marginata are found associated with Empetrum. In the lower elevations, Blechnum magellanicum is present on the drier slopes of the moorland. Low and flat patches of Rubus geoides are often seen in the driest areas, particularly on the high, exposed promontories. 2 Caltha Association In these places within the moorland where Empetrum and Marsippospermum are less dense, a subunit or association develops in which Caltha dionaeifolia and C.

Low and flat patches of Rubus geoides are often seen in the driest areas, particularly on the high, exposed promontories. 2 Caltha Association In these places within the moorland where Empetrum and Marsippospermum are less dense, a subunit or association develops in which Caltha dionaeifolia and C. appendiculata predominate. Myrteola nummularia, Astelia pumila, Gaultheria antarctica, Pernettya pumila, Gunnera lobata, Gaimardia australis, Tribeles australis, Perezia magellanica and Drapetes muscosoides also accompany this association as secondary elements.

It is dominated by “islands of trees” of Nothofagus betuloides surrounded by “Boggy meadows” and “Grassy Meadows”, which will be described later. Some hardly developed trees can be seen in the zones with pools of water, and then larger groups appear forming the “islands of trees” that are oval in shape with the long axis conforming to the predominant wind direction or are circular. In the peripheral areas the trees have more foliage compared to the interior of the islets where the majority of the trunks are bare and dry.

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