Search Results - "Segura, Angel M."

The habitat template of phytoplankton morphology-based functional groups by Kruk, Carla, Segura, Angel M.

“…The identification of the main factors driving phytoplankton community structure is essential to understand and adequately manage freshwater ecosystems. We…”
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Machine learning methods for imbalanced data set for prediction of faecal contamination in beach waters by Bourel, Mathias, Segura, Angel M., Crisci, Carolina, López, Guzmán, Sampognaro, Lia, Vidal, Victoria, Kruk, Carla, Piccini, Claudia, Perera, Gonzalo

“…•Predicting water contamination by statistical models.•Evaluation of several machine learning techniques and metrics to model imbalanced data.•Imbalanced…”
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A critical review of model construction and performance for nowcast systems for faecal contamination in recreational beaches by Vidal, Victoria, Sampognaro, Lia, de León, Fernanda, Kruk, Carla, Perera, Gonzalo, Crisci, Carolina, Segura, Angel M.

“…Faecal contamination is a widespread environmental and public health problem on recreational beaches around the world. The implementation of predictive models…”
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Rapid freshwater discharge on the coastal ocean as a mean of long distance spreading of an unprecedented toxic cyanobacteria bloom by Kruk, Carla, Martínez, Ana, Martínez de la Escalera, Gabriela, Trinchin, Romina, Manta, Gastón, Segura, Angel M., Piccini, Claudia, Brena, Beatriz, Yannicelli, Beatriz, Fabiano, Graciela, Calliari, Danilo

“…Cyanobacterial toxic blooms are a worldwide problem. The Río de la Plata (RdlP) basin makes up about one fourth of South America areal surface, second only to…”
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Lotka–Volterra model with Allee effect: equilibria, coexistence and size scaling of maximum and minimum abundance by Cammarota, Denise, Monteiro, Noemi Zeraick, Menezes, Rafael, Fort, Hugo, Segura, Angel M.

“…The Lotka–Volterra competition model (LVCM) is a fundamental tool for ecology, widely used to represent complex communities. The Allee effect (AE) is a…”
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Effect of hydrological modification on the potential toxicity of Microcystis aeruginosa complex in Salto Grande reservoir, Uruguay by Martínez de la Escalera, Gabriela, Kruk, Carla, Segura, Angel M., Piccini, Claudia

“…•Transcription of mcy is favored within Salto Grande reservoir in spite of the season.•We found two Microcystis ecotypes adapted to summer or winter…”
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A trait‐based approach predicting community assembly and dominance of microbial invasive species by Kruk, Carla, Piccini, Claudia, Devercelli, Melina, Nogueira, Lucía, Accattatis, Victoria, Sampognaro, Lía, Segura, Angel M.

“…Understanding the mechanisms underlying community assembly helps to define success and susceptibility to biological invasions. Here, we explored phytoplankton…”
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The Microcystis-microbiome interactions: origins of the colonial lifestyle by Piccini, Claudia, Martínez de la Escalera, Gabriela, Segura, Angel M, Croci, Carolina, Kruk, Carla

“…Abstract Species of the Microcystis genus are the most common bloom-forming toxic cyanobacteria worldwide. They belong to a clade of unicellular cyanobacteria…”
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Classification of Reynolds phytoplankton functional groups using individual traits and machine learning techniques by Kruk, Carla, Devercelli, Melina, Huszar, Vera L. M., Hernández, Esnedy, Beamud, Guadalupe, Diaz, Mónica, Silva, Lúcia H. S., Segura, Angel M.

“…The Reynolds Functional Groups (RFG) classification scheme is an informative and widely used method in ecological studies of freshwater phytoplankton. It…”
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Morphology-based differences in the thermal response of freshwater phytoplankton by Segura, Angel M., Sarthou, Florencia, Kruk, Carla

“…The thermal response of maximum growth rate in morphology-based functional groups (MBFG) of freshwater phytoplankton is analysed. Contrasting an exponential…”
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Genotyping and Multivariate Regression Trees Reveal Ecological Diversification within the Microcystis aeruginosa Complex along a Wide Environmental Gradient by Martínez de la Escalera, Gabriela, Segura, Angel M, Kruk, Carla, Ghattas, Badih, Cohan, Frederick M, Iriarte, Andrés, Piccini, Claudia

“…Addressing the ecological and evolutionary processes underlying biodiversity patterns is essential to identify the mechanisms shaping community structure and…”
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Temporal dynamics and environmental drivers of polar cod (Boreogadus saida) densities in the northeast Chukchi Sea by Gonzalez, Silvana, Horne, John K., Danielson, Seth L., Lopez, Guzman, Segura, Angel M.

“…The Chukchi Sea pelagic ecosystem continues to undergo dramatic oceanographic changes associated with reductions in sea ice and increasing temperatures over…”
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Clumpy coexistence in phytoplankton: the role of functional similarity in community assembly by Graco‐Roza, Caio, Segura, Angel M., Kruk, Carla, Domingos, Patrícia, Soininen, Janne, Marinho, Marcelo Manzi

“…Emergent neutrality (EN) suggests that species must be sufficiently similar or sufficiently different in their niches to avoid interspecific competition. Such…”
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Otolith shape as a stock discrimination tool for ling (Genypterus blacodes) in the fjords of Chilean Patagonia by Wiff, Rodrigo, Flores, Andrés, Segura, Angel M., Barrientos, Mauricio A., Ojeda, Vilma

“…Genypterus blacodes, in terms of its fishing history and local economic importance, is an emblematic species harvested in Chilean Patagonia (41°00'-57°00'S)…”
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Dynamics of toxic genotypes of Microcystis aeruginosa complex (MAC) through a wide freshwater to marine environmental gradient by Martínez de la Escalera, Gabriela, Kruk, Carla, Segura, Angel M., Nogueira, Lucía, Alcántara, Ignacio, Piccini, Claudia

“…Bloom-forming species belonging to Microcystis aeruginosa complex (MAC) are the most commonly reported worldwide. MAC blooms are composed by toxic and…”
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Use of a morphology-based functional approach to model phytoplankton community succession in a shallow subtropical lake by SEGURA, ANGEL M., KRUK, CARLA, CALLIARI, DANILO, FORT, HUGO

“…Summary 1. We use morphology‐based functional groups (MBFGs) of phytoplankton to predict ecological performance of groups with a mechanistic model. We evaluate…”
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Emergent neutrality drives phytoplankton species coexistence by Segura, Angel M., Calliari, Danilo, Kruk, Carla, Conde, Daniel, Bonilla, Sylvia, Fort, Hugo

“…The mechanisms that drive species coexistence and community dynamics have long puzzled ecologists. Here, we explain species coexistence, size structure and…”
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The Metabolic Basis of Fat Tail Distributions in Populations and Community Fluctuations by Segura, Angel M., Perera, Gonzalo

“…Unveiling the mechanisms that molds populations fluctuations is central for understanding the dynamic of pest outbreaks, harmful algal blooms, or extinction…”
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Mouth gape determines the response of marine top predators to long-term fishery-induced changes in food web structure by Drago, Massimiliano, Franco-Trecu, Valentina, Segura, Angel M., Valdivia, Meica, González, Enrique M., Aguilar, Alex, Cardona, Luis

“…Here, we analyse changes throughout time in the isotopic niche of the Franciscana dolphin ( Pontoporia blainvillei ), the South American fur seal (…”
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Morphology captures toxicity in Microcystis aeruginosa complex: Evidence from a wide environmental gradient by Álvarez, Susana Deus, Kruk, Carla, Martínez de la Escalera, Gabriela, Montes, Martín A., Segura, Angel M., Piccini, Claudia

“…•Toxic MAC organisms develop different colony sizes.•Colonies between 60 and 150 µm have the highest microcystin production.•MAC morphology can be used as a…”
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