Search Results - "Zalba, Sergio M."

Pushing the boundaries: actual and potential distribution of thrushes expanding their ranges in South America by Vazquez, M. Soledad, La Sala, Luciano F., Scorolli, Alberto L., Caruso, Nicolas C., Zalba, Sergio M.

“…The distribution of a species reflects its ecological adaptability and evolutionary history, which is shaped by the environment and represents a dynamic area…”
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Spread and impact of introduced conifers in South America: Lessons from other southern hemisphere regions by SIMBERLOFF, DANIEL, NUÑEZ, MARTIN A, LEDGARD, NICHOLAS J, PAUCHARD, ANIBAL, RICHARDSON, DAVID M, SARASOLA, MAURO, VAN WILGEN, BRIAN W, ZALBA, SERGIO M, ZENNI, RAFAEL D, BUSTAMANTE, RAMIRO, PEÑA, EDUARDO, ZILLER, SILVIA R

“…The history of conifers introduced earlier elsewhere in the southern hemisphere suggests that recent invasions in Argentina, Brazil, Chile and Uruguay are…”
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Vector analysis: a tool for preventing the introduction of invasive alien species into protected areas by Brancatelli, Gabriela I. E, Zalba, Sergio M

“…Invasive alien species are the main agent of biodiversity loss in protected natural areas. Prevention is the most appropriate management tool for addressing…”
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Modeling population dynamics of invasive pines to optimize their control in native grasslands of Argentina by Brancatelli, Gabriela I.E., Amodeo, Martín R., Zalba, Sergio M.

“…The spread of invasive alien species over natural environments has become one of the most serious threats to biodiversity and the functioning of ecosystems…”
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Reproductive pattern in the southernmost populations of South American redbelly toads by Cairo, Samanta L, Zalba, Sergio M, Úbeda, Carmen A

“…Anurans can be classified as explosive or prolonged breeders. In species with short breeding periods, intensive competition for females is expected. We analyse…”
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Fragmentación de pastizales psamófilos por plantaciones de pinos: efectos sobre la riqueza y la composición vegetal by Yezzi, Alejandra L., Nebbia, Ana J., Zalba, Sergio M.

“…Las dunas litorales de la Pampa Austral se encuentran mejor conservadas que el resto de los pastizales pampeanos, pero igualmente presentan amenazas derivadas…”
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Experimental control of Spanish broom (Spartium junceum) invading natural grasslands by Sanhueza, Cristina, Zalba, Sergio

“…A group of legumes generically known as brooms are among the most successful shrubs invading grasslands in South America and other regions. These species share…”
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Interaction between fire and fragmentation in the successional stages of coastal dune grasslands of the southern Pampas, Argentina by Yezzi, Alejandra L., Nebbia, Ana J., Zalba, Sergio M.

“…Vegetation’s increased vulnerability to extrinsic disturbances is an important but less studied effect of natural habitat fragmentation. Fire is part of the…”
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Seedling emergence and survival of invasive pines in Argentinian mountain grasslands by Brancatelli, Gabriela I. E., Amodeo, Martín R., Zalba, Sergio M.

“…Natural regeneration is a critical step for the dispersal of alien plants and the establishment of new invasive foci. The adequate timing and location of…”
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Assessing invasion process through pathway and vector analysis: case of saltcedar (Tamarix spp.) by Natale, Evangelina, Zalba, Sergio, Reinoso, Herminda, Damilano, Gabriela

“…Biological invasions are one of the most pervasive environmental threats to native ecosystems worldwide. The spontaneous spread of saltcedar is a particular…”
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Seasonal changes in habitat use and behavior of the threatened Pampas meadowlark Leistes defilippii by Álvarez, Agustín G, Cozzani, Natalia C, Zalba, Sergio M, Tizón, F. Rodrigo

“…The Pampas grasslands’ biodiversity is severely threatened by habitat modification, as is the case for the Pampas meadowlark (Leistes defilippii). Here we…”
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Fragmentation and grassland plants: individual and transgenerational effects by Yezzi, Alejandra L., Nebbia, Ana J., Zalba, Sergio M.

“…Understanding how individuals respond to habitat discontinuities could provide a first step in the large-scale evaluation of their responses to habitat…”
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Trojan hosts: the menace of invasive vertebrates as vectors of pathogens in the Southern Cone of South America by La Sala, Luciano F., Burgos, Julián M., Scorolli, Alberto L., VanderWaal, Kimberly, Zalba, Sergio M.

“…Invasive alien species (IAS) can act as vectors for the introduction of pathogens in ecosystems and their transmission to threatened native species (TNS),…”
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Invasive pines in Argentinian grasslands: lessons from control operations by Brancatelli, Gabriela I. E., Amodeo, Martín R., Cuevas, Yannina A., Zalba, Sergio M.

“…Biological invasions are one of the most important challenges for protected areas around the world, both because of the seriousness of their effects and…”
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Recovery of Native Grasslands after Removing Invasive Pines by Cuevas, Yannina A, Zalba, Sergio M

“…The advance of exotic tree and shrub species is one of the main threats to conservation of the last relicts of natural grassland in South America; however,…”
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Spatially explicit risk assessment for coastal invaders under different management scenarios by Fiori, Sandra M., Pratolongo, Paula D., Zalba, Sergio M., Carbone, María E., Bravo, María E.

“…Biological invasions are particularly challenging in marine environments, where control strategies are scarce and efforts to reduce the abundance of the…”
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Viable seed banks under grazing and exclosure conditions in montane mesic grasslands of Argentina by Loydi, Alejandro, Zalba, Sergio M., Distel, Roberto A.

“…Grazing by large herbivores affects the composition of established vegetation and seed banks. Montane Pampas grasslands are highly productive and have evolved…”
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Invasion of Pinus halepensis Mill. following a wildfire in an Argentine grassland nature reserve by Zalba, Sergio M., Cuevas, Yannina A., Boó, Roberto M.

“…The Ernesto Tornquist nature reserve is a relict of native Pampas vegetation in Argentina. Alien trees were introduced to the reserve in the 1950s, mainly to…”
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Estructura de la vegetación y selección de hábitats reproductivos en aves del pastizal pampeano by Natalia Cozzani, Sergio M. Zalba

“…La transformación acelerada de los pastizales naturales en tierras destinadas a actividades agrícolas y ganaderas afecta de manera particular a las aves de…”
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Designing nature reserves: traditional criteria may act as misleading indicators of quality by Nebbia, Ana Julia, Zalba, Sergio M

“…Traditionally, numerous criteria have been used for selecting valuable areas for the establishment of nature reserves. In most cases these criteria are applied…”
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