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11 results
Recreation potential assessment at large spatial scales: a method based in the ecosystem services approach and landscape metrics
The authors present a method to evaluate outdoor recreation potential using landscape metrics and campsite density, arguing that this approach addresses the challenges of stakeholder perception and spatial scale in ecosystem services (ES) mapping. Applying the method across 15 ecoregions in Argentina, the study found that the influence of landscape determinants varies by region, limiting their generalisation capacity. Specifically, crop area did not negatively impact recreation potential as expected, and forest cover only showed a positive effect in the Pampas ecoregion. The analysis also indicates that unrealised benefits of recreation generally increase with higher population and road density.
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Document type: Research paper
Higher water table levels and flooding risk under grain vs livestock production system in the subhumid plains of the Pampas
The study finds that grain production systems in the Pampas lead to higher water-table levels and increased flooding risk compared to dairy systems. This is attributed to lower transpiration rates in annual crops and enhanced groundwater recharge in croplands, whereas perennial pastures maintain deeper water tables through higher transpiration and direct groundwater discharge.
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Document type: Research paper
Conflictos por la tenencia de la tierra en la provincia de Santiago del Estero: su relación con los cambios en el uso de la tierra
The document examines how land-use changes, specifically deforestation in the Gran Chaco region, correlate with increased rural land conflicts in Santiago del Estero, Argentina.
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Document type: Research paper
Shallow groundwater dynamics in the Pampas: climate, landscape and crop choice effects
A study of the western Pampas from 2008 to 2013 found that while topography determines absolute water table position and crop choice can partially modulate seasonal fluctuations, inter-annual groundwater dynamics are predominantly driven by climate variability.
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Document type: Research paper
Regionalization of climate over the Argentine Pampas
The study used data from 33 National Meteorological Service stations (1960-2010) and cluster analysis to divide the Argentine Pampas into eight climatic subregions based on temperature, precipitation, humidity, and wind patterns.
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Document type: Research paper
Food and floods. Shallow groundwater and agricultural land management in the Pampas
The document examines the relationship between agricultural land management and groundwater dynamics in the Pampas. It finds that annual crop rotations (soybean-wheat-corn) lead to higher groundwater levels and more frequent flooding compared to perennial alfalfa pastures, which maintain deeper water tables through higher annual transpiration. The text argues that planting water-logging tolerant cover crops or pastures during high-risk periods can reduce waterlogging frequency and increase the number of years suitable for farming by 40%.
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Document type: Fact sheet
From farm-level management to governance of landscapes: Climate, water and land use decisions in the plains of Southern South America (SGP-CRA 2031)
The project examines how land use decisions, such as choosing between pastures and agricultural crops, affect water table depth (WTD) and create interdependencies among neighboring farmers in the Argentine Pampas. Initial findings indicate that pastures lead to deeper groundwater levels compared to crops like soybean, wheat, and maize, and that farmers are generally willing to coordinate actions to manage groundwater as a common good.
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Document type: Fact sheet
Food and floods
The document examines how agricultural land management in the Argentinean Pampas affects shallow groundwater and flooding. It finds that the shift from perennial alfalfa pastures to annual wheat-soybean-maize rotations has reduced annual transpiration rates from 1200 to 800 mm/year, leading to shallower groundwater tables and a significant increase in flooding events. The text argues that planting water-logging tolerant pastures or cover crops can reduce waterlogging frequency and increase the number of years suitable for farming by 40%.
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Document type: Fact sheet
Environmental Improvements without Environmental Policies
The document analyzes the impact of 1990s trade liberalization on Argentina's environment, finding a divergence between sectors. In manufacturing, liberalization did not shift the export pattern toward cleaner industries, though some firms improved management to reduce costs. In contrast, the agricultural sector in the Pampas region experienced a 'virtuous cycle' where growth and the adoption of technologies like direct sowing and GMOs led to environmental benefits, such as reduced soil erosion and carbon fixation, despite a lack of formal environmental policies.
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Document type: Research paper
Crop water relations, bioenergy options and ecosystem services in the La Plata Basin
The report examines the ecohydrological impacts of agricultural expansion in the La Plata Basin. In the Pampas, it identifies optimal groundwater depths for corn, soybean, and wheat, and suggests that replacing pastures with annual crops increases flooding risk. In the Chaco-Espinal region, agricultural conversion has led to deep groundwater recharge, salt mobilization, and the emergence of 'new rivers'. In Paraguay, deforestation of the Atlantic Forest increased river water yield from 40% to nearly 70% of rainfall inputs. The report also argues that harvesting biomass from fire-prone dry forests for bioelectricity is more carbon-efficient than soybean biodiesel, which causes significant emissions due to land-use change.
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Document type: Report
Expansión de la Frontera Agropecuaria en Argentina y su Impacto Ecológico-Ambiental
The report analyzes the environmental impact of Argentina's agricultural expansion from 1956 to 2005. Key findings include a significant increase in annual crop areas, leading to the loss of native forests and grasslands, particularly in the Chaco and Atlantic Forest regions. While the adoption of no-till farming has reduced soil erosion and the toxicity of pesticides has decreased over time, the expansion has caused a decline in soil phosphorus and carbon stocks, increased greenhouse gas emissions, and reduced the provision of ecosystem services. The report specifically examines the role of soybean cultivation, linking its expansion to deforestation in Northwest Argentina and an increase in pesticide contamination risks, although it notes a favorable energy efficiency for the crop.
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Document type: Report