Dry matter estimation and partitioning of assimilates in dominant shrubs with two different morphologies from the high Central Andes of San Juan, Argentina
Introduction and objectives: High mountain shrubs play a key role in the maintenance and functioning of ecosystem processes. Nevertheless, studies to understand their morphology and dry matter partitioning are scarce. The goal of this study is to quantify dry matter partitioning and study the morpho...
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| Formato: | Artículo revista |
| Lenguaje: | Español |
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Sociedad Argentina de Botánica
2021
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| Acceso en línea: | https://revistas.unc.edu.ar/index.php/BSAB/article/view/30589 |
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I10-R325-article-30589 |
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ojs |
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Universidad Nacional de Córdoba |
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I-10 |
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R-325 |
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Boletín de la Sociedad Argentina de Botánica |
| language |
Español |
| format |
Artículo revista |
| topic |
Ambientes de altura Baccharis tola conservación materia seca Senecio oreophyton Baccharis tola conservation dry matter highlands Senecio oreophyton |
| spellingShingle |
Ambientes de altura Baccharis tola conservación materia seca Senecio oreophyton Baccharis tola conservation dry matter highlands Senecio oreophyton Herrera Moratta, Mario A Navas Romero, Ana Laura Vento, Barbara Martínez Carretero, Eduardo Dry matter estimation and partitioning of assimilates in dominant shrubs with two different morphologies from the high Central Andes of San Juan, Argentina |
| topic_facet |
Ambientes de altura Baccharis tola conservación materia seca Senecio oreophyton Baccharis tola conservation dry matter highlands Senecio oreophyton |
| author |
Herrera Moratta, Mario A Navas Romero, Ana Laura Vento, Barbara Martínez Carretero, Eduardo |
| author_facet |
Herrera Moratta, Mario A Navas Romero, Ana Laura Vento, Barbara Martínez Carretero, Eduardo |
| author_sort |
Herrera Moratta, Mario A |
| title |
Dry matter estimation and partitioning of assimilates in dominant shrubs with two different morphologies from the high Central Andes of San Juan, Argentina |
| title_short |
Dry matter estimation and partitioning of assimilates in dominant shrubs with two different morphologies from the high Central Andes of San Juan, Argentina |
| title_full |
Dry matter estimation and partitioning of assimilates in dominant shrubs with two different morphologies from the high Central Andes of San Juan, Argentina |
| title_fullStr |
Dry matter estimation and partitioning of assimilates in dominant shrubs with two different morphologies from the high Central Andes of San Juan, Argentina |
| title_full_unstemmed |
Dry matter estimation and partitioning of assimilates in dominant shrubs with two different morphologies from the high Central Andes of San Juan, Argentina |
| title_sort |
dry matter estimation and partitioning of assimilates in dominant shrubs with two different morphologies from the high central andes of san juan, argentina |
| description |
Introduction and objectives: High mountain shrubs play a key role in the maintenance and functioning of ecosystem processes. Nevertheless, studies to understand their morphology and dry matter partitioning are scarce. The goal of this study is to quantify dry matter partitioning and study the morphology for Senecio oreophyton and Baccharis tola ssp. tola in the Central Andes, Argentina. Additionally, allometric equations are proposed.
M&M: The work was done in the Austral Puna, province of San Juan. A total of 60 S. oreophyton and B. tola plants were selected. Biometric variables were measured in each specimen to estimate dry matter. The lateral and top view of each specimen were photographed to determine shrub morphology. Each specimen was harvested and differentiated in stem, leaves and roots.
Results: The geometric shape of S. oreophyton was similar to an inverted cone and B. tola was similar to a hemisphere shape. In both shrubs, aboveground dry matter was higher than the belowground dry matter. In B. tola, similar proportions of dry matter assigned to the stem and leaves were found. Allometric equations were established for each component from direct field measurements.
Conclusions: The dry matter partitioning found for both shrubs would indicate that it is strongly associated with the morphology of the plant, and its strategy for surviving under harsh conditions. This is a contribution to improve the knowledge about morphological characteristics of woody shrubs and their environmental interactions for conservation and management in highlands. |
| publisher |
Sociedad Argentina de Botánica |
| publishDate |
2021 |
| url |
https://revistas.unc.edu.ar/index.php/BSAB/article/view/30589 |
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I10-R325-article-305892022-03-25T14:19:41Z Dry matter estimation and partitioning of assimilates in dominant shrubs with two different morphologies from the high Central Andes of San Juan, Argentina Estimación de materia seca y partición de asimilados en arbustos dominantes de dos morfologías diferentes de los Andes Centrales de San Juan, argentina Herrera Moratta, Mario A Navas Romero, Ana Laura Vento, Barbara Martínez Carretero, Eduardo Ambientes de altura Baccharis tola conservación materia seca Senecio oreophyton Baccharis tola conservation dry matter highlands Senecio oreophyton Introduction and objectives: High mountain shrubs play a key role in the maintenance and functioning of ecosystem processes. Nevertheless, studies to understand their morphology and dry matter partitioning are scarce. The goal of this study is to quantify dry matter partitioning and study the morphology for Senecio oreophyton and Baccharis tola ssp. tola in the Central Andes, Argentina. Additionally, allometric equations are proposed. M&M: The work was done in the Austral Puna, province of San Juan. A total of 60 S. oreophyton and B. tola plants were selected. Biometric variables were measured in each specimen to estimate dry matter. The lateral and top view of each specimen were photographed to determine shrub morphology. Each specimen was harvested and differentiated in stem, leaves and roots. Results: The geometric shape of S. oreophyton was similar to an inverted cone and B. tola was similar to a hemisphere shape. In both shrubs, aboveground dry matter was higher than the belowground dry matter. In B. tola, similar proportions of dry matter assigned to the stem and leaves were found. Allometric equations were established for each component from direct field measurements. Conclusions: The dry matter partitioning found for both shrubs would indicate that it is strongly associated with the morphology of the plant, and its strategy for surviving under harsh conditions. This is a contribution to improve the knowledge about morphological characteristics of woody shrubs and their environmental interactions for conservation and management in highlands. Introducción y objetivos: Los arbustos de ambientes de alta montaña desempeñan un papel clave en el mantenimiento y el funcionamiento de procesos ecosistémicos. Sin embargo, los estudios para conocer su morfología y su asignación de asimilados son escasos. El objetivo de este trabajo es cuantificar la materia seca y analizar la morfología de Senecio oreophyton y Baccharis tola ssp. tola, en los Andes centrales de Argentina y proponer ecuaciones alométricas. M&M: El estudio se realizó en la Puna Austral, provincia de San Juan. Se seleccionaron 60 plantas de S. oreophyton y de B. tola. En cada ejemplar se midieron las variables biométricas para estimar la materia seca. Se fotografiaron las vistas lateral y superior para estimar su morfología. Cada ejemplar fue cosechado y diferenciado en tallo, hojas y raíces. Resultados: La forma geométrica de S. oreophyton fue un cono invertido y de B. tola una semiesfera. En la materia seca de B. tola encontramos valores similares en tallos y hojas, y valores bajos en raíz, mientras que en S. oreophyton la materia seca fue mayor en tallos, siguiendo raíz y luego hojas. Se establecieron ecuaciones alométricas para cada componente a partir de mediciones directas de campo. Conclusiones: La partición de materia seca encontrada para ambos arbustos indicaría una fuerte asociación de la morfología de la planta y su estrategia para sobrevivir en condiciones de altura. Este trabajo es un aporte al conocimiento sobre las características morfológicas de arbustos leñosos y sus interacciones ambientales para la conservación y manejo de ecosistemas de montaña. Sociedad Argentina de Botánica 2021-11-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html https://revistas.unc.edu.ar/index.php/BSAB/article/view/30589 10.31055/1851.2372.v56.n4.30589 Boletín de la Sociedad Argentina de Botánica (Journal of the Argentine Botanical Society; Vol. 56 No. 4 (2021): December Boletín de la Sociedad Argentina de Botánica; Vol. 56 Núm. 4 (2021): Diciembre Boletín de la Sociedad Argentina de Botánica; v. 56 n. 4 (2021): Diciembre 1851-2372 0373-580X 10.31055/1851.2372.v56.n4 spa https://revistas.unc.edu.ar/index.php/BSAB/article/view/30589/35638 https://revistas.unc.edu.ar/index.php/BSAB/article/view/30589/35639 Derechos de autor 2021 Mario A Herrera Moratta, Dra. Navas Ana, Dr. Barbara Vento, Dr. Martinez Carretero https://creativecommons.org/licenses/by-nc-nd/4.0 |