Search Results - "Alejandro G. Farji-Brener"

The effects of ant nests on soil fertility and plant performance: a meta-analysis by Farji-Brener, Alejandro G., Werenkraut, Victoria

“…1. Ants are recognized as one of the major sources of soil disturbance world-wide. However, this view is largely based on isolated studies and qualitative…”
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Consequences of fire and cattle browsing on ground beetles (Coleoptera) in NW Patagonia by Sasal, Yamila, Raffaele, Estela, Farji-Brener, Alejandro G.

“…Understanding the responses of natural communities to disturbances remains a challenging task in ecology. In northwestern Patagonia, the most important…”
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Excessive nutrient input induces an ecological cost for aphids by modifying their attractiveness towards mutualist ants by Lescano, María N., Quintero, Carolina, Farji‐Brener, Alejandro G., Balseiro, Esteban

“…Enhanced soil nutrient availability often favours herbivore performance by bringing the carbon:nutrient ratio of plants closer to herbivore requirements…”
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A meta-analysis of leaf-cutting ant nest effects on soil fertility and plant performance by FARJI-BRENER, ALEJANDRO G., WERENKRAUT, VICTORIA

“…1. Leaf‐cutting ants ( LCA s) are considered as one of the most important agents of soil disturbances that affect vegetation patterns, but these assertions are…”
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Exotic thistles increase native ant abundance through the maintenance of enhanced aphid populations by Lescano, María Natalia, Farji-Brener, Alejandro G.

“…Exotic species change the structure and composition of invaded communities in multiple ways, but the sign of their impact on native species is still…”
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With a little help from my friends: Individual and collaborative performance during trail clearing in leaf‐cutting ants by Alma, Andrea Marina, Farji‐Brener, Alejandro G., Elizalde, Luciana

“…Social organisms express collaborative behaviors, allowing them to solve problems that exceed their individual capabilities. Group coordination and…”
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Foliar herbivory and its effects on plant growth in native and exotic species in the Patagonian steppe by Pirk, Gabriela Inés, Farji-Brener, Alejandro G.

“…Studies of herbivory and its consequences on the growth of native and exotic plants could help elucidate some processes involved in plant invasions. Introduced…”
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Refuse attracts? Effect of refuse dumps of leaf‐cutting ants on floral traits by Fernandez, Anahí, Tadey, Mariana, Farji‐Brener, Alejandro G.

“…The nutrient‐rich organic waste generated by ants may affect plant reproductive success directly by enhancing fruit production but also indirectly, by…”
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Why are antlion larvae rare under the leaf litter? Testing the hypothesis of improper trap maintenance by Farji‐Brener, Alejandro G., Carrillo‐Fajardo, Merly Yenedith, Rodríguez‐Malacara, Jorge Tanit, Arroyo‐Rodríguez, Víctor

“…Understanding why animals avoid some locations is needed to improve the theory of habitat selection. This is key in semi‐sedentary organisms, such as antlion…”
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Defence variation within a guild of aphid‐tending ants explains aphid population growth by Devegili, Andrés M., Lescano, María N., Gianoli, Ernesto, Farji‐Brener, Alejandro G.

“…Mutualism studies often focus on the service provided by single species, while variation in benefits provided by multiple partners is less understood…”
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Extended phenotypes and foraging restrictions: ant nest entrances and resource ingress in leaf‐cutting ants by Rodríguez‐Planes, Lucía I., Farji‐Brener, Alejandro G.

“…Several factors may restrict the acquisition of food to below the levels predicted by the optimization theory. However, how the design of structures that…”
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Leaf-cutting ant nests near roads increase fitness of exotic plant species in natural protected areas by Farji-Brener, Alejandro G., Ghermandi, Luciana

“…Onopordum acanthium…”
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Wind matters: Asymmetric distribution of aphids on host plants can be explained by stems functioning as windbreaks by Devegili, Andrés M., Alma, Andrea Marina, Lescano, Maria Natalia, Farji‐Brener, Alejandro G.

“…Understanding how abiotic factors influence organisms at present is the necessary first step to predict how species assemblages could be affected by climate…”
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The effects of fire on ant communities in north-western Patagonia: the importance of habitat structure and regional context by Farji-Brener, Alejandro G., Corley, J. C., Bettinelli, J.

“…We investigated the effects of recent fires on the native ant communities in two habitats of north-west Patagonia that differ in vegetation structural…”
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Disadvantages of living in a populous neighborhood for sit‐and‐wait predators: Competition for space reduces pit‐trap size in antlion larvae by Farji‐Brener, Alejandro G., Juncosa‐Polzella, Agostina S., Tejada, Daniela Madrigal, Centeno‐Alvarado, Diego, Hernández‐Soto, Mariana, Soto‐Huaira, Mayori, Gutiérrez‐Cruz, Sebastián, Tregenza, Tom

“…The study of how trap design responds to biotic and abiotic conditions can help to understand the selective forces affecting the foraging of trap‐building…”
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Moisture enhances the positive effect of leaf-cutting ant refuse dumps on soil biota activity by Fernandez, Anahí, Farji-Brener, Alejandro G., Satti, Patricia

“…Soil biota activity in arid lands is often limited by the availability of water and organic matter. We experimentally explored whether small changes in soil…”
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Indirect effects of exotic grazers: livestock decreases the nutrient content of refuse dumps of leaf-cutting ants through vegetation impoverishment by TADEY, MARIANA, FARJI-BRENER, ALEJANDRO G

“…1. We present evidence of how exotic grazers can indirectly change the nutrient availability on the soil surface by affecting the quality of refuse dumps of…”
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Nocturnal resource defence in aphid‐tending ants of northern Patagonia by LESCANO, MARÍA N, FARJI‐BRENER, ALEJANDRO G, GIANOLI, ERNESTO

“…Interspecific competition plays a key role in the organisation of ant communities. In ant–plant interactions, individual host plants are usually occupied by a…”
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Environmental rugosity, body size and access to food: a test of the size-grain hypothesis in tropical litter ants by Farji-Brener, Alejandro G., Barrantes, Gilbert, Ruggiero, Adriana

“…In terrestrial walking organisms, long legs help to decrease the cost of running, allowing animals to step over environmental interstices rather than walking…”
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Effects of leaf-cutting ant refuse on native plant performance under two levels of grazing intensity in the Monte Desert of Argentina by Cerda, Noelia V., Tadey, Mariana, Farji-Brener, Alejandro G., Navarro, María C.

“…Question: Low quantities of soil nutrients often restrict plant establishment and growth in arid lands and have been partially attributed to the scarcity of…”
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