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Study and rehabilitation of some endemic Argentinian taxa in the genus Viola L. (Violaceae), and lectotypification of a Peruvian species Gayana Botánica
WATSON,JOHN M; FLORES,ANA R.
Taxa of Viola sect. Andinium are detailed. W. Becker described new violas collected by H.F. Comber in 1925-1926. Sixty years later R.A. Rossow treated them in Flora Patagonica. His views have subsequently been followed in Argentina and influence taxonomic decisions taken there. Three of Comber's species not included or accepted by Rossow are rehabilitated. V. comberi, synonymised by him, differs critically from all related taxa in its unique set of characters. He placed V. cotyledon subsp. lologensis in synonymy under V. dasyphylla. As it combines equally defining features of that species and V. cotyledon, it is elevated to full species rank here. V. escondidaensis, a distinct taxon with no close relatives, was omitted from Flora Patagonica. It may be...
Tipo: Journal article Palavras-chave: Adaptation; Andean; Northern Patagonia; Rarity; Taxonomic boundaries; Type specimens; Untraceable taxa.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-66432011000200017
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Forest biodiversity in Andean brow and its relation to the carbon content in the above-ground biomass Acta Agron. (Palmira)
Rodríguez-Llerena*,Marco Vinicio; Damián-Carrión,Diego Armando; Santillán-Lima,Patricio Guido; Recalde-Moreno,Celso Guillermo; Cargua-Catagña,Franklin Enrique.
Abstract The aim of this research was to determine the biodiversity indices and its relation to the carbon content (C) in the above-ground biomass, in the Andean brow forest located in the buffer zone of the Sangay National Park in Ecuador, where twelve permanent sampling plots were established. It was identified 19 species, 18 genuses, and 17 families with a total of 518 individuals from which Melastomataceae is one of the most representative families encompassing the Miconia genus with 159 individuals (30.70%), this information is relevant due this plant group can be utilized as an indicator of the conservation state of these forests in danger of disappearing. The highest concentration of C present in the above-ground biomass is recorded in the Guangra...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Andean; Floral diversity; Forest inventory; Sangay National Park; Carbon sink.
Ano: 2017 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122017000100035
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BALANCING CONSERVATION NEEDS WITH USES OF RIVER ECOSYSTEMS Acta biol.Colomb.
SABATER,SERGI; ELOSEGI,ARTURO.
Rivers are among the most diverse and threatened ecosystems on the Earth, but their conservation is a requisite for sustainable development. Conservation must consider both the structure and the functioning of the elements (usually species), as well as of their ecosystem. Therefore, successful river conservation must go beyond protecting species to protecting entire ecosystems and the processes that give each ecosystem its special characteristics. River conservation has to meet the legitimate aspirations of human populations for clean, readily available supply of water, without compromising the water needs of ecosystems and nature. Therefore, it is essential to take a landscape perspective that incorporates processes occurring in the riverine riparian...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Andean; Biodiversity; Conservation; Ecosystem functioning river.
Ano: 2014 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2014000100001
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