Efectos del pastoreo holístico sobre la estructura y composición vegetal en praderas naturalizadas de uso ganadero, provincia de Última Esperanza, región de Magallanes, Chile

Díaz, Erwin Domínguez; Oliva, Gabriel; Madariaga, John Báez; Navarro, Ángel Suárez; Castillo, Claudio Pérez

doi:10.4067/s0718-686x2018000300017

Cited by 5 publications

(8 citation statements)

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“…En medio existen ciclos de la vegetación y el ganado que se circunscriben a ciclos más vinculados a las estaciones del año y, más específicamente, a las oscilaciones de precipitación y temperatura, que son los que condicionan los ciclos productivos, especial-energy flows so that the microorganisms can recycle the nutrients, which establishes ideal conditions for the system to be resilient and, therefore, capable to absorb external changes and perturbations (Bover and Suárez, 2020). Finally, from the ecological management of the grazing systems, livestock models with low emissions, resilient against climate change, and a contribution to the food self-sufficiency of regions and countries can be adopted (Milera-Rodríguez et al, 2019;Domínguez-Díaz et al, 2018).…”

Section: Methodology Approach: Towards An Agroecology Conception In T...unclassified

“…Es importante advertir que, la armonización de esos ciclos promueve la estabilidad y equilibrio ecológico que posibilita la biodiversidad y los flujos de energía para que los microorganismos puedan reciclar los nutrientes, lo que establece condiciones óptimas para que el sistema sea resiliente y, por ende, con capacidad de absorber cambios y perturbaciones externas (Bover y Suárez, 2020). Finalmente, a partir del manejo ecológico de los sistemas de pastoreo, se pueden adoptar modelos ganaderos con bajas emisiones, resilientes ante el cambio climático y una contribución a la autosuficiencia alimentaria de regiones y países (Milera-Rodríguez et al, 2019;Domínguez-Díaz, et al, 2018).…”

Section: Tropical Region: a Privileged Space For Buffalo Livestockunclassified

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Los sistemas sostenibles de búfalos de agua en el trópico húmedo latinoamericano: enfoque desde la agroecología

et al. 2022

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Es imprescindible explorar alternativas para producir alimentos a través de modelos de bajo consumo de energía y reducida emisión de gases invernadero, pero con rendimientos elevados. En este artículo se analizan resultados de investigaciones que documentan la viabilidad de los sistemas de producción de búfalos de agua en un ambiente propicio y exigente como el trópico mexicano, siguiendo los preceptos de la agroecología. Se examinan los principios básicos de la agroecología aplicada a la ganadería, para identificar la interacción suelovegetación-búfalos y potenciar procesos de resiliencia. Se caracterizaron los aspectos físico-bióticos de la región tropical, en especial sus recursos forrajeros. También se estudian las características anatómicas y fisiológicas de los búfalos para prosperar en este ambiente, bajo la modalidad de doble propósito, produciendo carne y leche. Finalmente, se aportan elementos para diseñar sistemas de pastoreo intensivo, incluyendo los silvopastoriles, en los cuales los búfalos responden de manera sobresaliente. Se concluye que es factible implementar sistemas sustentables de búfalos en el trópico, mediante un proceso de intensificación planificado, que puede suponer el acompañamiento de asistencia técnica especializada para que se puedan adoptar con éxito.

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Section: Methodology Approach: Towards An Agroecology Conception In T...unclassified

Section: Tropical Region: a Privileged Space For Buffalo Livestockunclassified

Los sistemas sostenibles de búfalos de agua en el trópico húmedo latinoamericano: enfoque desde la agroecología

et al. 2022

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“…The MARAS monitoring plots are thus useful for a wide variety of floristic, ecological and biogeographic studies, and have been used to describe biodiversity patterns in Patagonia 41 , to quantify the relative importance of biotic and abiotic factors as drivers of regional variations in plant productivity 42 and soil organic carbon 4 , to validate information from satellite data on the ground 43 , to assess how biodiversity modulates ecosystem responses to drought 44 and to explore how aridity and overgrazing affect the structure and functioning of drylands 45 . From the land manager perspective, the MARAS system has been used to compare the effects of different grazing systems 46 , 47 and in certification schemes such as sustainable management of grasslands 48 , Responsible Wool 49 or Organic Production. MARAS is also being used to monitor vegetation restoration programs set up by the gold mining industry and to assess the effects of a large-scale hydroelectric project on the vegetation of the Santa Cruz river basin http://represaspatagonia.com.ar/index.php/en/home .…”

Section: Technical Validationmentioning

confidence: 99%

The MARAS dataset, vegetation and soil characteristics of dryland rangelands across Patagonia

et al. 2020

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We present the MARAS (Environmental Monitoring of Arid and Semiarid Regions) dataset, which stores vegetation and soil data of 426 rangeland monitoring plots installed throughout Patagonia, a 624.500 km2 area of southern Argentina and Chile. Data for each monitoring plot includes basic climatic and landscape features, photographs, 500 point intercepts for vegetation cover, plant species list and biodiversity indexes, 50-m line-intercept transect for vegetation spatial pattern analysis, land function indexes drawn from 11 measures of soil surface characteristics and laboratory soil analysis (pH, conductivity, organic matter, N and texture). Monitoring plots were installed between 2007 and 2019, and are being reassessed at 5-year intervals (247 have been surveyed twice). The MARAS dataset provides a baseline from which to evaluate the impacts of climate change and changes in land use intensity in Patagonian ecosystems, which collectively constitute one of the world´s largest rangeland areas. This dataset will be of interest to scientists exploring key ecological questions such as biodiversity-ecosystem functioning relationships, plant-soil interactions and climatic controls on ecosystem structure and functioning.

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“…Exotic species have invaded these austral forests since European colonization, and they became one of the main drivers of change, modifying the species assemblage of native forests. For example, Rumex acetosella has become one of the most frequent introduced species in disturbed environments since 1580 in the Magellan Strait [43,44], while Achillea millefolium was first reported in 1906 in Argentina and was identified as a weed that invades native grasslands [45]. Hieracium pilosella was more recently found during the 1990s [46], especially after disturbances (e.g., fires and overgrazing) [47][48][49], and was pointed as the biggest threat for profitable livestock farming [50,51].…”

Section: Introductionmentioning

confidence: 99%

Anthropogenic Impacts Allowed for the Invasion of Understory Species, Affecting the Sustainability of Management Practices in Southern Patagonia

Rosas,

Peri,

Cellini

et al. 2024

Land

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Forest management aims to preserve integrity and ecosystem resilience. Conservation and species invasion patterns must be determined in managed landscapes. The objectives of this study were to identify proxies that allowed plant species invasion (natives and exotics) and define thresholds of human impacts to improve management. We also wanted to identify indicator species for different impacts and environments. A total of 165 plots were measured in Nothofagus antarctica forests and associated open lands (dry and wet grasslands) in Tierra del Fuego (Argentina). We found differences in the studied variables across the landscape and among different uses and impacts. Human impacts influence land types, emphasizing the importance of managing intensities. Indicator plant species allowed for the identification of potential ecological thresholds related to human impacts and the establishment of species linked to ecological and economic degradation, e.g., Bolax gummifera and Azorella trifurcata (cushion plants) were associated with high grazing pressure in grasslands and fires in forested areas, while Rumex acetosella and Achillea millefolium (erect herbs), typically associated with forested areas, were related to high harvesting pressures and fire impacts. These findings contribute to our understanding of the long-term effects of some human impacts (e.g., harvesting and ranching) and allow us to define variables of monitoring and indicator species for each impact type.

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Efectos del pastoreo holístico sobre la estructura y composición vegetal en praderas naturalizadas de uso ganadero, provincia de Última Esperanza, región de Magallanes, Chile

Cited by 5 publications

References 8 publications

Los sistemas sostenibles de búfalos de agua en el trópico húmedo latinoamericano: enfoque desde la agroecología

Los sistemas sostenibles de búfalos de agua en el trópico húmedo latinoamericano: enfoque desde la agroecología

The MARAS dataset, vegetation and soil characteristics of dryland rangelands across Patagonia

Anthropogenic Impacts Allowed for the Invasion of Understory Species, Affecting the Sustainability of Management Practices in Southern Patagonia

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