Vascular plant diversity of the valley Antinaco-Los Colorados, La Rioja Argentina

Vascular plant diversity of the valley Antinaco-Los Colorados, La Rioja Argentina. The Antinaco-Los Colorados Valley is an extensive plain of the Monte ecoregion in the center-west of La Rioja (Argentina). This study provides a comprehensive inventory of the diversity of vascular plants growing spon...

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Autores principales: Varela, Omar, Parrado, María F., Buedo, Sebastián E.
Formato: Artículo revista
Lenguaje:Español
Publicado: Sociedad Argentina de Botánica 2015
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Acceso en línea:https://revistas.unc.edu.ar/index.php/BSAB/article/view/12528
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spelling I10-R10-article-125282020-03-09T19:05:34Z Vascular plant diversity of the valley Antinaco-Los Colorados, La Rioja Argentina Diversidad de plantas vasculares del valle Antinaco-Los Colorados, La Rioja, Argentina Varela, Omar Parrado, María F. Buedo, Sebastián E. Endemism Vascular Flora floristic inventory life-forms Monte Desert Vegetation. lora vascular Catálogo florístico endemismos formas de vida Monte Vegetación Vascular plant diversity of the valley Antinaco-Los Colorados, La Rioja Argentina. The Antinaco-Los Colorados Valley is an extensive plain of the Monte ecoregion in the center-west of La Rioja (Argentina). This study provides a comprehensive inventory of the diversity of vascular plants growing spontaneously in the valley. A total of 264 species distributed in 57 families and 181 genera were recorded in four types of vegetation during 90 field trips. Eighteen species are new records for the province. The most diverse families were Asteraceae (35 spp., 13%), Poaceae (32 spp., 12%), Fabaceae (19 spp., 7%), Solanaceae (19 spp., 7%) and Cactaceae (16 spp., 6%). The best represented genera were Tillandsia (10 spp.), Solanum (6 spp.), Atriplex (5 spp.), Lycium (5 spp.) and Prosopis (5 spp.). The 13% of species (35) are introduced, mostly belong to families Poaceae (8 spp.), Asteraceae (5 spp.), Brassicaceae (5 spp.) and Chenopodiaceae (5 spp.). The valley includes 84 endemisms of level National, Regional and Provincial, 41% of which belongs to the family Cactaceae (13 spp.), Asteraceae (9 spp.), Solanaceae (7 spp.), Chenopodiaceae (6 spp.) and Euphorbiaceae (6 spp.). The dominant forms of life were the Phanerophytes (28%), Therophytes (28%) and Hemicryptophytes (21%). The valley concentrates approximately 17% of the diversity of vascular plants known for La Rioja. El valle Antinaco-Los Colorados es una extensa planicie de la ecorregión del Monte en el centro-oeste de La Rioja (Argentina). Este estudio proporciona un inventario exhaustivo de la diversidad de plantas vasculares que crecen espontáneamente en el valle. En 90 viajes de campo se registraron 264 especies de 57 familias y 181 géneros en 4 tipos de vegetación. Se mencionan 18 citas nuevas para la provincia. Las cinco familias más diversas fueron Asteraceae (35 spp., 13%), Poaceae (32 spp., 12%), Fabaceae (19 spp., 7%), Solanaceae (19 spp., 7%) y Cactaceaae (16 spp., 6%). Los géneros mejor representados fueron Tillandsia (10 spp.), Solanum (6 spp.), Atriplex (5 spp.), Lycium (5 spp.) y Prosopis (5 spp.). El 13% de las especies (35) son introducidas, principalmente de las familias Poaceae (7 spp.), Asteraceae (5 spp.), Brassicaceae (5 spp.) y Chenopodiaceae (5 spp.). El valle incluye 84 endemismos de nivel nacional, regional y provincial, y en su mayoría (41%) corresponden a Cactaceae (13 spp.), Asteraceae (9 spp.), Solanaceae (7 spp.), Chenopodiaceae (6 spp.) y Euphorbiaceae (6 spp.). Las formas de vida dominantes fueron los Fanerófitos (29%), Terófitos (28%) y Hemicriptófitos (21%). El valle concentra aproximadamente el 17% de la diversidad de plantas vasculares conocida para La Rioja. Sociedad Argentina de Botánica 2015-10-18 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo original application/pdf https://revistas.unc.edu.ar/index.php/BSAB/article/view/12528 Boletín de la Sociedad Argentina de Botánica (Journal of the Argentine Botanical Society; Vol. 50 No. 3 (2015): Setiembre; 385-411 Boletín de la Sociedad Argentina de Botánica; Vol. 50 Núm. 3 (2015): Setiembre; 385-411 Boletín de la Sociedad Argentina de Botánica; v. 50 n. 3 (2015): Setiembre; 385-411 1851-2372 0373-580X 10.31055/1851.2372.v50.n3 spa https://revistas.unc.edu.ar/index.php/BSAB/article/view/12528/12807 Derechos de autor 2015 Boletín de la Sociedad Argentina de Botánica
institution Universidad Nacional de Córdoba
institution_str I-10
repository_str R-10
container_title_str Revistas de la UNC
language Español
format Artículo revista
topic Endemism
Vascular Flora
floristic inventory
life-forms
Monte Desert
Vegetation.
lora vascular
Catálogo florístico
endemismos
formas de vida
Monte
Vegetación
spellingShingle Endemism
Vascular Flora
floristic inventory
life-forms
Monte Desert
Vegetation.
lora vascular
Catálogo florístico
endemismos
formas de vida
Monte
Vegetación
Varela, Omar
Parrado, María F.
Buedo, Sebastián E.
Vascular plant diversity of the valley Antinaco-Los Colorados, La Rioja Argentina
topic_facet Endemism
Vascular Flora
floristic inventory
life-forms
Monte Desert
Vegetation.
lora vascular
Catálogo florístico
endemismos
formas de vida
Monte
Vegetación
author Varela, Omar
Parrado, María F.
Buedo, Sebastián E.
author_facet Varela, Omar
Parrado, María F.
Buedo, Sebastián E.
author_sort Varela, Omar
title Vascular plant diversity of the valley Antinaco-Los Colorados, La Rioja Argentina
title_short Vascular plant diversity of the valley Antinaco-Los Colorados, La Rioja Argentina
title_full Vascular plant diversity of the valley Antinaco-Los Colorados, La Rioja Argentina
title_fullStr Vascular plant diversity of the valley Antinaco-Los Colorados, La Rioja Argentina
title_full_unstemmed Vascular plant diversity of the valley Antinaco-Los Colorados, La Rioja Argentina
title_sort vascular plant diversity of the valley antinaco-los colorados, la rioja argentina
description Vascular plant diversity of the valley Antinaco-Los Colorados, La Rioja Argentina. The Antinaco-Los Colorados Valley is an extensive plain of the Monte ecoregion in the center-west of La Rioja (Argentina). This study provides a comprehensive inventory of the diversity of vascular plants growing spontaneously in the valley. A total of 264 species distributed in 57 families and 181 genera were recorded in four types of vegetation during 90 field trips. Eighteen species are new records for the province. The most diverse families were Asteraceae (35 spp., 13%), Poaceae (32 spp., 12%), Fabaceae (19 spp., 7%), Solanaceae (19 spp., 7%) and Cactaceae (16 spp., 6%). The best represented genera were Tillandsia (10 spp.), Solanum (6 spp.), Atriplex (5 spp.), Lycium (5 spp.) and Prosopis (5 spp.). The 13% of species (35) are introduced, mostly belong to families Poaceae (8 spp.), Asteraceae (5 spp.), Brassicaceae (5 spp.) and Chenopodiaceae (5 spp.). The valley includes 84 endemisms of level National, Regional and Provincial, 41% of which belongs to the family Cactaceae (13 spp.), Asteraceae (9 spp.), Solanaceae (7 spp.), Chenopodiaceae (6 spp.) and Euphorbiaceae (6 spp.). The dominant forms of life were the Phanerophytes (28%), Therophytes (28%) and Hemicryptophytes (21%). The valley concentrates approximately 17% of the diversity of vascular plants known for La Rioja.
publisher Sociedad Argentina de Botánica
publishDate 2015
url https://revistas.unc.edu.ar/index.php/BSAB/article/view/12528
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