Search Results - "Mazía, Noemí"

Small-scale habitat use and assemblage structure of ground-dwelling beetles in a Patagonian shrub steppe by Noemí Mazía, C., Chaneton, E.J., Kitzberger, T.

“…Studies in arid systems have often focussed on the origin and maintenance of vegetation patchiness, but little is yet known about how microhabitat structure…”
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Nutrient supply and bird predation additively control insect herbivory and tree growth in two contrasting forest habitats by Garibaldi, Lucas A., Kitzberger, Thomas, Noemí Mazía, C., Chaneton, Enrique J.

“…It has been suggested that bottom–up and top–down forces interactively control food web dynamics. While top–down effects would increase with resource…”
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Antagonistic effects of large- and small-scale disturbances on exotic tree invasion in a native tussock grassland relict by Mazía, C. Noemí, Chaneton, Enrique J, Machera, Marina, Uchitel, Andrea, Feler, María Victoria, Ghersa, Claudio M

“…It is generally accepted that disturbances increase community invasibility. Yet the role of disturbance in plant invasions may be less predictable than often…”
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Rodent seed predation on tree invader species in grassland habitats of the inland Pampa by Busch, María, Knight, Carol, Mazía, Cristina Noemí, Hodara, Karina, Muschetto, Emiliano, Chaneton, Enrique

“…Woody plant invasion in grassland ecosystems is a worldwide phenomenon, and biotic interactions as competition and predation have been invoked as a possible…”
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Seed local adaptation and seedling plasticity account for Gleditsia triacanthos tree invasion across biomes by Tognetti, Pedro M, Mazia, Noemí, Ibáñez, Gonzalo

“…Phenotypic plasticity and local adaption can contribute to the success of invasive species. While the former is an environmentally induced trait, the latter…”
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The sign and magnitude of tree-grass interaction along a global environmental gradient by Mazía, Noemí, Moyano, Jaime, Perez, Luis, Aguiar, Sebastián, Garibaldi, Lucas A., Schlichter, Tomas

“…Aim: The ecological literature posits that positive interactions are preponderant in stressful environments; however, the net balance between positive and…”
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Facilitation vs. apparent competition: insect herbivory alters tree seedling recruitment under nurse shrubs in a steppe-woodland ecotone by Chaneton, Enrique J, Noemi Mazía, C, Kitzberger, Thomas

“…1. Facilitation of recruitment by 'nurse' plants can play a major role in harsh environments. Yet the extent to which consumer-mediated apparent competition…”
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Impact of volcanic ash deposition on foliar productivity and insect herbivory in northern Patagonia deciduous forests by Chaneton, Enrique J., Mazía, Noemí, Garibaldi, Lucas A., Chaij, Jaquelina, Kitzberger, Thomas

“…Volcanism has been a major force shaping the dynamics of Andean landscapes during the Holocene. Yet we still know little about the consequences of modern…”
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Complexity of leaf miner-parasitoid food webs declines with canopy height in Patagonian beech forests by CHAIJ, JAQUELINA, DEVOTO, MARIANO, OLEIRO, MARINA, CHANETON, ENRIQUE J., MAZÍA, NOEMÍ

“…1. Consumer-resource species interactions form complex, dynamic networks, which may exhibit structural heterogeneity at various scales. This study set out to…”
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Are rodents a source of biotic resistance to tree invasion in Pampean grasslands? Tree seed consumption under different conditions by Muschetto, Emiliano, Mazia, Noemí, Cueto, Gerardo R., Busch, María

“…Biotic resistance has been invoked as a major barrier to woody species invasion, although the role of resident generalist consumers and their interaction with…”
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Are field crops refuge for woody invaders? Rainfall, crop type and management shaped tree invasion in croplands by Aranda, Melina J., Tognetti, Pedro M., Mazía, Noemi

“…Woody encroachment represents a global concern which is mostly studied in natural and semi-natural grasslands and savannas. Woody invasion is a growing…”
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Contrasting effects of grazing on the early stages of woody encroachment in a Neotropical savanna by Mochi, Lucía S., Mazía, Noemí, Biganzoli, Fernando, Aguiar, Martín R.

“…Woody encroachment in savannas represents an ecological process of current global interest given its negative impact on ecosystem functioning, particularly on…”
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Chronic insect herbivores accelerate litter decomposition and nutrient recycling rates along an environmental/herbivory gradient in northern Patagonia by Piazza, Maria-Victoria, Mazía, Noemí, Kitzberger, Thomas, Chaneton, Enrique J.

“…[Display omitted] •We examined insect herbivory affecting beech forests litter decomposition.•Controls from environment, litter traits and insect community…”
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Complexity of leaf miner–parasitoid food webs declines with canopy height in P atagonian beech forests by CHAIJ, JAQUELINA, DEVOTO, MARIANO, OLEIRO, MARINA, CHANETON, ENRIQUE J., MAZÍA, NOEMÍ

“…1. Consumer–resource species interactions form complex, dynamic networks, which may exhibit structural heterogeneity at various scales. This study set out to…”
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Savanna tree regrowth after defoliation explained by bud activation rather than reserve mobilization by Mochi, Lucía S., Aguiar, Martín R., Aranda, Melina J., Biganzoli, Fernando, Mazía, Noemí

“…[Display omitted] •Tree saplings tolerated defoliation by bud activation.•New branch development allowed tree sapling aerial growth maintenance.•Defoliation…”
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Intensive rotational grazing in pastures reduces the early establishment of an invasive tree species by Aranda, Melina J., Tognetti, Pedro M., Mochi, Lucía S., Mazía, Noemí

“…Grazing is one of the principal drivers triggering woody invasion in grasslands and savannas worldwide, but evidence is opposing. Cattle can promote or limit…”
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Disturbance types, herbaceous composition, and rainfall season determine exotic tree invasion in novel grassland by Mazía, Noemí, Chaneton, Enrique J., Ghersa, Claudio M.

“…Novel grasslands embedded in anthropogenic landscapes are increasingly threatened due to invasion by exotic woody species. This potential for tree invasion in…”
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Grass layer limits tree seedling survival but not tree seedling growth in African and South American savannas by Mochi, Lucía S., Morrison, Thomas A., Stevens, Nicola, Mazía, Noemí, Anderson, T. Michael, Holdo, Ricardo M.

“…Questions How does the grass layer affect seedlings across large environmental gradients in savannas? Location Savanna sites in Argentina, Tanzania, and South…”
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Tree invasion in secondary grasslands diminishes herbaceous biomass and diversity: A study of mechanisms behind the process by Ferraina, Antonella, Molina, Cecilia D., Mazía, Noemí, Piñeiro, Gervasio, Miranda, Isabel, Chaneton, Enrique José, Overbeck, Gerhard

“…Questions How is plant biomass, composition and diversity in secondary grasslands affected by tree invasion? How do light conditions generated by invasive…”
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Biotic resistance in a stochastic world: Do rodents act as a filter to alien tree invasion in pampean old fields? by Muschetto, Emiliano, Chaneton, Enrique J., Mazía, Noemí, Tripodi, Mariel A., Busch, María

“…Biotic resistance from post‐dispersal seed predators has been shown to influence invasion and spread of woody plants in grasslands and savannas. Yet, the role…”
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