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Micromicetes asociados a la corteza y madera de podocarpus parlatorei (Podocarpaceae) en la Argentina: VI. Ascomycota Darwiniana
Catania,Myriam del V.; Romero,Andrea I..
Se describen e ilustran diez especies de Ascomycota que crecen sobre madera y corteza de Podocarpus parlatorei. Se proponen Nemania confluens var. microspora var. nov., Togninia minutissima comb. nov., y se citan por primera vez para la Argentina los siguientes taxones: Botryosphaeria sarmentorum, Ceratostomella pyrenaica, Cochliobolus kusanoi, Heptameria obesa, Hypoxylon duranii, Ophioceras dolichostomum, Tengiomyces indicus, Togninia minima, Trichosphaeria pilosa.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Argentina; Ascomycota; Micromicetes; Podocarpus.
Ano: 2010 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0011-67932010000200001
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Feeding ecology of the culpeo in southern Ecuador: wild ungulates being the main prey Naturalis
Guntiñas, M.; Lozano, J.; Cisneros, R.; Narváez, C.; Armijos, J..
This study details for the first time the food habits of the culpeo or Andean fox (Lycalopex culpaeus) in high areas of the Ecuadorian Andes during a complete annual cycle. Our objective was to identify prey species, calculate their contribution to diet and test for temporal variation. In total, 304 Andean fox scats were collected within the Podocarpus National Park (Loja province, southern Ecuador). By analysing the content of scats 413 prey items were identified and classified into eight prey groups. Subsequently, the frequency of occurrence (FO) for each prey group was calculated per month together with the relative contribution of estimated consumed biomass (CB). In addition, the Shannon-Wiener’s index was calculated as a measurement of monthly diet...
Tipo: Article / Letter to the editor Palavras-chave: Andes; Canids; Carnivores; Cloud forest; Diet; Paramo; Podocarpus; Trophic diversity.
Ano: 2017 URL: http://www.repository.naturalis.nl/record/637723
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Leaf life spans of some conifers of the temperate forests of South America RChHN
LUSK,CHRISTOPHER H..
Interspecific variation in leaf life span has wide-ranging implications for plant species sorting on resource availability gradients, and for ecosystem processes such as nutrient cycling. Very little is known about leaf life spans of evergreen trees in the temperate forests of South America. Leaf life spans were estimated by static demographic methods, and associated leaf traits measured, for four conifers of this region. It was expected that leaf life span variation would correlate negatively with soil fertility of habitats normally occupied by each species. This prediction was upheld by the data. The mean leaf life span determined for Araucaria araucana (24 years) is among the highest figures reported for any plant species. This extreme leaf longevity...
Tipo: Journal article Palavras-chave: Araucaria araucana; Leaf longevity; Leaf nitrogen; Podocarpus; Resource gradients; Specific leaf area.
Ano: 2001 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2001000300017
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