Browsing FAS Scholarly Articles by Keyword "Andes"
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The abiotic and biotic drivers of rapid diversification in Andean bellflowers (Campanulaceae)
(John Wiley and Sons Inc., 2016)Summary The tropical Andes of South America, the world's richest biodiversity hotspot, are home to many rapid radiations. While geological, climatic, and ecological processes collectively explain such radiations, their ... -
Adakitic Dacites Formed by Intracrustal Crystal Fractionation of Water-Rich Parent Magmas at Nevado de Longav Volcano (36.2 Degrees S; Andean Southern Volcanic Zone, Central Chile)
(Oxford University Press, 2007)The mid-Holocene eruptive products of Nevado de Longav volcano (362S, Chile) are the only reported occurrence of adakitic volcanic rocks in the Quaternary Andean Southern Volcanic Zone (3346S). Dacites of this volcano are ... -
Andean Growth and the Deceleration of South American Subduction: Time Evolution of a Coupled Orogen-subduction System
(Elsevier, 2008)Present-day orography at the Andean margin is a result of isostasy, tectonic accretion, and erosional processes. The resulting excess mass of the Andes gives rise to frictional stresses on the seismogenic plate interface ... -
Phylogeny, diversification patterns and historical biogeography of euglossine orchid bees (Hymenoptera: Apidae)
(Wiley-Blackwell, 2010)The orchid bees constitute a clade of prominent insect pollinators distributed throughout the Neotropical region. Males of all species collect fragrances from natural sources, including flowers, decaying vegetation and ...