Search Results - "Velázquez‐Abunader, Iván"

Relative abundance distribution and body size changes of two co‐occurring octopus species, Octopus americanus and Octopus maya, in a tropical upwelling area (south‐eastern Gulf of Mexico) by Avendaño, Otilio, Otero, Jaime, Velázquez‐Abunader, Iván, Guerra, Ángel

“…Production of octopus fisheries is highly variable typically due to their sensitivity to environmental conditions. Using data from four scientific research…”
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A review of dynamic optimization in aquaculture production economics by Domínguez‐May, Roger, Hernández, Juan M., Velázquez‐Abunader, Iván

“…Dynamic optimization (DO) has been applied to aquaculture industry to determine optimal management strategies of aquaculture production systems. Optimal…”
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Using fisher’s knowledge to estimate catch and effort in the large-scale octopus fishery on the eastern Campeche Bank (Mexico, NW Atlantic) by Avendaño, Otilio, Velázquez-Abunader, Iván, Rocha, Francisco, Guerra, Ángel

“…The Mayan octopus (Octopus maya) and the American octopus (O. americanus) are the two species that support the octopus fishery on the Campeche Bank. The…”
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Octopus americanus: a cryptic species of the O. vulgaris species complex redescribed from the Caribbean by Avendaño, Otilio, Roura, Álvaro, Cedillo-Robles, Celso Edmundo, González, Ángel F., Rodríguez-Canul, Rossanna, Velázquez-Abunader, Iván, Guerra, Ángel

“…The common octopus Octopus vulgaris Cuvier, 1797, once considered a cosmopolitan species, is a species complex composed by six species: O. tetricus, O. cf…”
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Factors affecting the relative abundance in an overfished stock: red grouper ( Epinephelus morio ) in the Southeastern Gulf of Mexico by Oribe-Pérez, Iván, Velázquez-Abunader, Iván, Monroy-García, Carmen

“…The most important fisheries are recording catches below their historical averages despite increased effort. This level of overfishing is worrying and requires…”
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Dispersal modeling of octopoda paralarvae in the Gulf of Mexico by Santana‐Cisneros, Mariana L., Ardisson, Pedro‐Luis, González, Ángel F., Mariño‐Tapia, Ismael, Cahuich‐López, Miguel, Ángeles‐González, Luis Enrique, Ordoñez‐López, Uriel, Velázquez‐Abunader, Iván

“…The dynamics and population structure of octopus species in the Gulf of Mexico (GoM) can be studied by analyzing dispersal paralarvae mechanisms. Accordingly,…”
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Factors Affecting Catchability in Longline Fishing of Red Grouper in the Southeastern Gulf of Mexico by Rincón‐Sandoval, Luis A., Velázquez‐Abunader, Iván, Brulé, Thierry

“…Catchability (q) is a key parameter in stock assessment that can vary in response to biological (e.g., abundance), spatial (e.g., fishing zones), and fishing…”
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Polycyclic aromatic hydrocarbons in the cestode Oncomegas wageneri parasite of Mexican flounder Cyclopsetta chittendeni by Soler-Jiménez, Lilia C., Hernández-Núñez, Emanuel, Velázquez-Abunader, Iván, Centeno-Chalé, Arturo, Vidal-Martínez, Víctor M.

“…The concentrations of polycyclic aromatic hydrocarbon metabolites (PAHm) and their bioconcentration factors (BCF) were determined in the larval stages of the…”
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Metazoan parasite infracommunities of the dusky flounder (Syacium papillosum) as bioindicators of environmental conditions in the continental shelf of the Yucatan Peninsula, Mexico by Vidal-Martínez, Víctor M, Velázquez-Abunader, Iván, Centeno-Chalé, Oscar Arturo, May-Tec, Ana Luisa, Soler-Jiménez, Lilia C, Pech, Daniel, Mariño-Tapia, Ismael, Enriquez, Cecilia, Zapata-Pérez, Omar, Herrera-Silveira, Jorge, Hernández-Mena, David I, Herzka, Sharon Z, Ordoñez-López, Uriel, Leopoldina Aguirre-Macedo, M

“…We assessed metrics of the metazoan parasite infracommunities of the dusky flounder (Syacium papillosum) as indicators of aquatic environmental health of the…”
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Length–weight relationships of 12 marine fish species from the Pacific coast of Guatemala associated with small‐scale fisheries by Hernández‐Padilla, Juan Carlos, Capetillo‐Piñar, Norberto, Aranceta‐Garza, Fernando, Yee‐Duarte, Josué Alonso, Vélez‐Arellano, Nurenskaya, Velázquez‐Abunader, Iván

“…The length–weight relationships (LWRs) were estimated for 12 fish species. The species were collected monthly from the commercial catch of small‐scale…”
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Potential biomass and distribution of octopus in the eastern part of the Campeche Bank (Yucatán, Mexico) by Avendaño, Otilio, Hernández-Flores, Alvaro, Velázquez-Abunader, Iván, Fernández-Jardón, Carlos, Cuevas-Jimenez, Alfonso, Guerra, Ángel

“…The octopus fishery on the Campeche Bank (Yucatán, Mexico) is considered the third largest in the world. In Yucatán, two fleets target this resource: an…”
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Factors affecting relative abundance of low-mobility fishing resources: spiny lobster in the Galapagos Marine Reserve by Murillo-Posada, Juan Carlos, Salas, Silvia, Velázquez-Abunader, Iván

“…Management of low-mobility or benthic fisheries is a difficult task because variation in the spatial distribution and population dynamics of the resources make…”
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Fast decline of the sea cucumber Isostichopus badionotus as a consequence of high exploitation in Yucatan, Mexico by López-Rocha, Jorge A., Velázquez-Abunader, Iván

“…Since 2010, the sea cucumber Isostichopus badionotus, has been heavily exploited by small-scale fisheries in the Yucatan peninsula, Mexico. Despite management…”
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Natural mortality estimates throughout the life history of the sea cucumber Isostichopus Badionotus (Holothuroidea: Aspidochirotida) by Romero-Gallardo, Salvador, Velázquez-Abunader, Iván, López-Rocha, Jorge Alberto, Garza-Gisholt, Eduardo

“…The Natural Mortality coefficient ( ) is a key parameter for stock assessments. The need to establish age-specific natural mortality coefficients is widely…”
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Loliginid paralarvae from the Southeastern Gulf of Mexico: Abundance, distribution, and genetic structure by Guarneros-Narváez, Paulina V., Rodríguez-Canul, Rossanna, De Silva-Dávila, Roxana, Zamora-Briseño, Jesús Alejandro, Améndola-Pimenta, Monica, Souza, Alejandro José, Ordoñez, Uriel, Velázquez-Abunader, Iván

“…Global commercial catches of squid have increased greatly in the last few years. However, approximately a quarter of the squid catches are still unidentified…”
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Bioeconomic analysis of deterministic and stochastic partial harvesting in the production of spring genetics tilapia variety restricted to minimum market sizes by Domínguez-May, Roger, Borrego-Kim, Patricia, Velázquez-Abunader, Iván, Oribe-Pérez, Iván Alí

“…A bioeconomic model was used for commercial tilapia culture to evaluate different partial harvest strategies. This study considered homogeneous and…”
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Optimization of stocking and harvesting strategies in intensive culture of tilapia (Oreochromis niloticus), considering minimum marketable sizes by Domínguez-May, Roger, Borrego-Kim, Patricia, Velázquez-Abunader, Iván

“…The stocking and harvesting strategies used in aquaculture have a strong influence on the economic yields, and producers of aquatic species need alternatives…”
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Inter-cohort growth for three tropical resources: tilapia, octopus and lobster by Velázquez-Abunader, Iván, Gómez-Muñoz, Victor Manuel, Salas, Silvia, Ruiz-Velazco, Javier M J

“…Growth parameters are an important component for the stock assessment of exploited aquatic species. However, it is often difficult to apply direct methods to…”
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Factors contributing to technical efficiency in a mixed fishery: Implications in buyback programs by Quijano, Daniel, Salas, Silvia, Monroy-García, Carmen, Velázquez-Abunader, Iván

“…Understanding the factors that define technical efficiency in a fishing fleet is a requirement for the implementation of management strategies, such as…”
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Optimization of Feed Ration Size in Aquatic System According to the Optimal Control Approach: Implications of Using the von Bertalanffy Growth Model by Domínguez-May, Roger, Poot-López, Gaspar R., Hernández, Juan M., Velázquez-Abunader, Iván

“…Rationing aquaculture farming feed is challenging for producers due to high feed costs, representing 30%–60% of the total operating costs. Therefore, optimal…”
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