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192 resultados encontrados para: TEMA: Crustáceos
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1.
Artículo
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Influence of bottom environment conditions and hydrographic variability on spatiotemporal trends of macrofaunal amphipods on the Yucatan continental shelf
Paz Ríos, Carlos Enrique (autor) ; Pech Pool, Daniel Guadalupe (autor) ; Mariño Tapia, Ismael (autor) ; Simões, Nuno (autor) ;
Disponible en línea
Contenido en: Continental Shelf Research Volumen 198, artículo número 104098 (July 2020), p. 1-11 ISSN: 0278-4343
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Resumen en: Inglés |
Resumen en inglés

Amphipod species collected during three oceanographic campaigns (2010–2012) were analyzed to describe their spatiotemporal community distribution trends and their relationships with bottom water and sediment variables. The results show that the species richness (117 spp.) did not reach its maximum value according to the species accumulation curve (up to 187 spp.). Multivariate analyses and constrained ordinations techniques detected three main amphipod assemblages along the longitudinal gradient (i.e., Western Caribbean, Mid-Yucatan, and West-Yucatan) and during two temporal hydrographic scenarios (i.e., upwelling in 2010–2011 and non- upwelling in 2012). In 2010–2011, low values in species richness and abundance from the Western Caribbean and eastern Mid-Yucatan assemblages were associated with relatively low bottom-water temperatures from the upwelling systems. In 2012, the absence of upwelling and the occurrence of a warm-core anticyclonic eddy seemed to cause an increase in species richness and abundance in the three assemblages. The hydrographic variability and sediment characteristics are suggested as the major environmental drivers that shapes the soft- bottom amphipod community structure and diversity in the Yucatan continental shelf.


2.
Libro
*En proceso técnico. Solicítelo con el bibliotecario de SIBE-Chetumal
Adventures with arthropods: eco-friendly lessons for middle school / Ron Wagler
Wagler, Ron ;
Arlington, Virgina, United States : National Science Teachers Association , 2018
Clasificación: 595.2 / W3
Bibliotecas: Chetumal
Cerrar
SIBE Chetumal
ECO030008785 (Prestado)
Disponibles para prestamo: 0
Nota: En proceso técnico. Solicítelo con el bibliotecario de SIBE-Chetumal
Resumen en: Inglés |
Resumen en inglés

If you’ve ever wished you could teach with tarantulas—or roly polys, or Madagascar hissing cockroaches—this is the resource for you. It tells how to help middle schoolers get up close and personal with amazing arthropods, the bugs that make up more than 75% of Earth’s animal species. Adventures With Arthropods provides 26 lessons that are geared to middle school teachers and their students but may be modified to use for elementary school, high school, and even college classrooms and for formal and informal learning at zoos, museums, and nature centers. The lessons—many of which support the Next Generation Science Standards—teach students everything from anatomy, growth, and behavior to eating preferences and environmental needs of three arthropod groups. They also illustrate arthropods’ many essential ecological services, without which global ecosystems would collapse. Best of all, the book addresses teachers’ concerns about keeping arthropods at school. You’ll learn which arthropods are classroom-safe and what’s involved in caring for them humanely. Through Adventures With Arthropods, you’ll discover how to choose species that don’t require too much maintenance and are sure to captivate both your students and you.


3.
Artículo
A dataset on the species composition of amphipods (Crustacea) in a Mexican marine national park: Alacranes Reef, Yucatan
Paz Ríos, Carlos Enrique ; Simões, Nuno (coaut.) ; Pech Pool, Daniel Guadalupe (coaut.) ;
Contenido en: Biodiversity Data Journal No. 6, e22622 (Jan 2018), p. 1-11 ISSN: 1314-2828
PDF PDF
Resumen en: Inglés |
Resumen en inglés

Alacranes Reef was declared as a National Marine Park in 1994. Since then, many efforts have been made to inventory its biodiversity. However, groups such as amphipods have been underestimated or not considered when benthic invertebrates were inventoried. Here we present a dataset that contributes to the knowledge of benthic amphipods (Crustacea, Peracarida) from the inner lagoon habitats from the Alacranes Reef National Park, the largest coral reef ecosystem in the Gulf of Mexico. The dataset contains information on records collected from 2009 to 2011. Data are available through Global Biodiversity Information Facility (GBIF).


4.
- Artículo con arbitraje
Diversidad de moluscos y crustáceos acuáticos en tres zonas en la cuenca del río Usumacinta, México
Trinidad Ocaña, Cinthia ; Juárez Flores, Juan (coaut.) ; Sánchez Martínez, Alberto de Jesús (coaut.) ; Barba Macías, Everardo (coaut.) ;
Contenido en: Revista Mexicana de Biodiversidad Supl., Vol. 89 (diciembre 2018), p. S65-S78 ISSN: 0187-6376
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Resumen en: Español | Inglés |
Resumen en español

Los moluscos y crustáceos son importantes en la transferencia energética a niveles tróficos superiores, además de que indican la condición de los ecosistemas acuáticos. La diversidad de ambos grupos se determinó mediante muestreos diurnos en ambientes lóticos y lénticos en 3 zonas de la cuenca del río Usumacinta: planicie delta 1 y 2 (PD) y montaña fluvial (MF), abarcando los periodos hidrológicos de mínima inundación (mín-I), transición y máxima inundación (máx-I). Se registraron 236,250 organismos pertenecientes a 35 y 13 especies de moluscos y crustáceos, con 99% y 1% de la abundancia total, respectivamente. El 85% de abundancia de moluscos correspondió a Melanoides tuberculata y Tarebia granifera (especies invasoras), y el 67% de los crustáceos a Macrobrachium sp. y Penaeus duorarum. La diversidad máxima de moluscos por zona fue en PD2 (H' = 2.4); por ambiente en lóticos (H' = 2.9) y por temporada en mín-1 (H' = 2.2). Con respecto a los crustáceos, la diversidad fue máxima en la zona PD1 (H' = 2.2), en lóticos (H' = 2.0) y en máx-1 (H' = 2.1). La diversidad varió por la mayor heterogeneidad de los hábitats y la influencia marina.

Resumen en inglés

Mollusks and crustaceans are important in making energy available to upper trophic levels, besides, they are indicators of aquatic ecosystems condition. Diversity and abundance were determined by diurnal samples in lotic and lentic systems in 3 zones: delta 1 and 2 floodplain (PD) and fluvial highlands (MF) of the Usumacinta river basin during hydrological periods of minimum flooding, transition and maximum flooding. A total of 236,250 organisms was collected, which belong to 35 and 13 species of mollusks and crustaceans, with 99% and 1% of the total abundance, respectively. The 85% of the abundance of mollusks was represented by Melanoides tuberculata and Tarebia granifera (invasive species), whereas the 67% of the crustaceans was represented by Macrobrachium sp. and Penaeus duorarum. The highest diversity for mollusks was in zone PD2 (H' = 2.4); in lotic (H' = 2.9) and mín-1 season (H' = 2.2). Regarding the crustaceans, the highest diversity was in PD1 (H' = 2.2), in lotic (H' = 65 2.0) and in máx-1 season (H' = 2.1). The diversity varied due to habitat heterogeneity and marine influence recorded.


5.
Tesis - Doctorado
PDF
Resumen en: Español |
Resumen en español

La presente investigación describe la diversidad y distribución espacio-temporal de la comunidad de anfípodos bentónicos de la plataforma continental de Yucatán, así como su relación biogeográfica con el Atlántico occidental tropical. Se revisó material biológico de cuatro campañas de muestreo (2009–2012), obteniendo información sobre la riqueza, abundancia, y composición de especies; también se obtuvo información de literatura y bases de datos en línea. El análisis de datos de 2009, de un ecosistema de arrecife (Alacranes), demostró que la comunidad de anfípodos se estructura en tres ensamblajes de especies en función del tipo de fondo (blando, duro y artificial), con valores altos de riqueza y abundancia de especies en hábitats de fondo duro y artificiales, respectivamente. El análisis de datos de 2010–2012, de hábitats de sustratos blandos en la plataforma continental, reveló tres ensamblajes de especies, Caribe Oeste, Yucatán Medio y Golfo Sureste, en dos escenarios hidrográficos (surgencia en 2010–2011 y no surgencia en 2012), siendo la temperatura, textura del sedimento, productividad primaria, y materia orgánica las características que mayor explicaron la variabilidad espacio-temporal en la estructura de la comunidad de anfípodos en la plataforma interior (<60 m). Finalmente, el análisis de la composición de especies del material revisado, literatura, y bases de datos permitió reconocer una elevada riqueza de anfípodos (201 spp.) respecto a otras regiones del Atlántico, y una distribución geográfica por provincia biogeográfica Caribeña y Caroliniana, confirmando que la diversidad de anfípodos de la plataforma de Yucatán está más relacionada con la Caribeña.

La evidencia generada demostró que los hábitats bentónicos de la plataforma de Yucatán permiten al grupo de los anfípodos ser muy diversos, con especies recientemente descubiertas para la ciencia, como Gammaropsis elvirae (descrita en la tesis) y otras potencialmente nuevas (en proceso de descripción), así como una fauna con afinidad tropical hacia la provincia Caribeña. La distribución de la composición de especies reflejó la influencia de factores ambientales temporalmente dominantes en la plataforma de Yucatán interior asociados con procesos hidrográficos de la surgencia, y espacialmente a los tipos de fondo y a las características de los sedimentos carbonatados en el gradiente geográfico longitudinal.


6.
Artículo
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Gammaropsis elvirae sp. nov., a widely distributed amphipod (Amphipoda: Photidae) in the Yucatan Shelf, with ecological comments and a key for the genus in tropical America
Paz Ríos, Carlos Enrique (autor) ; Pech Pool, Daniel Guadalupe (autor) ;
Contenido en: Zootaxa Vol. 4555, no. 3 (Feb. 2019), p. 359–371 ISSN: 1175-5326
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Resumen en: Inglés |
Resumen en inglés

Gammaropsis elvirae sp. nov. is described and illustrated here, as a new species of the family Photidae Boeck, 1871, occurring on sites widely distributed in the soft-sediment habitats from the Yucatan shelf, southern Gulf of Mexico. This new species differs from all other congeners by a unique set of characteristics: lateral cephalic lobes rounded; outer lobes of lower lip with one cone on each lobe; gnathopod 1 propodus longer than carpus; gnathopod 2 propodus enlarged with small convoluted processes on posterior margin and palmar angle undefined; gnathopod 2 dactylus short, less than one half in length of propodus; dense setation on basis, carpus, and propodus of gnathopod 2; epimeral plates 1–3 rounded; inner ramus of uropods 1–3 longer than outer ramus; and telson emarginated. Ecological comments on spatial distribution and associated environmental variables are included, as well an identification key to the genus in tropical America.


7.
Artículo
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Halfway to sustainability: management lessons from community-based, marine no-take zones in the Mexican Caribbean
Ayer, Austin ; Fulton, Stuart (coaut.) ; Caamal Madrigal, Jacobo Alejandro (coaut.) ; Espinoza Tenorio, Alejandro (coaut.) ;
Contenido en: Marine Policy Vol. 93 (July 2018), p. 22–30 ISSN: 0308-597X
Nota: Solicítelo con su bibliotecario/a
Resumen en: Inglés |
Resumen en inglés

Spatial closure regimes such as marine protected areas (MPAs) have emerged as a prominent tool in the effort to balance ecosystem health and fishery productivity. As MPAs have proliferated, the conservation community has begun to supplement traditional biological metrics with social and community considerations in the way it seeks to manage and evaluate such tools. To assess management outcomes and opportunities for a network of community-based, marine no-take zones (NTZs) in the Mexican Caribbean, semi-structured interviews were carried out with fishers and key management stakeholders. Findings indicate that the community-based management strategy has inherent tradeoffs between community engagement and conservation potential. Managers have succeeded in fostering high levels of community support for the initiative, but significant challenges remain, most notably the high presence of illegal fishing within NTZs. Successes and challenges of the community-based management strategy are documented and evaluated within a fisheries resource management framework. As the NTZ network undergoes legal renovation following the completion of its initial five-year term, this work serves as an important resource for both reflection on, and adaptation of, the community-based NTZ management regime.


8.
Artículo
PDF
Resumen en: Inglés |
Resumen en inglés

Until now, Hargeriawas considered a monospecific leptocheliid genus, with the species Hargeria rapax considered a taxon with a wide distribution, from the Northwestern Atlantic to the Mexican Caribbean. Herein, after a detailed revision of type and topotype materials and specimens collected from the Mexican Caribbean, a new species H. chetumalensis sp. nov. is described, and the redescription of H. rapaxis provided. Also, we found a significant genetic divergence between the two species based on the nucleotide sequences of cytochrome oxidase subunit I, which support the morphological data. The morphological features used to recognize both species are also adequate to link males, females, and juvenile stages, although these species have a high intraspecific polymorphism.


9.
- Artículo con arbitraje
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Species richness and spatial distribution of benthic amphipods (Crustacea: Peracarida) in the Alacranes Reef National Park, Gulf of Mexico
Paz Ríos, Carlos Enrique (autor) ; Simões, Nuno (autor) ; Pech Pool, Daniel Guadalupe (autor) ;
Disponible en línea
Contenido en: Marine Biodiversity Vol. 49, no. 2 (April 2019), p. 673–682 ISSN: 1867-1616
Nota: Solicítelo con su bibliotecario/a
Resumen en: Inglés |
Resumen en inglés

The diversity and distribution of benthic amphipods has been explored in the Alacranes Reef, which is the largest coral reef ecosystemin the Gulf of Mexico. New insights into species richness, spatial distribution and extension of geographical ranges are presented by using data from published records and field surveys. A total of 117 species have been recorded, 9 of which are potentially new to science, 39 of which have new geographical records, and 7 are non-indigenous and previously reported in the literature as potentially invasive. Based on the use of a species-richness indicator (Chao 2), the expected species number is 40% higher, up to 200 spp., when compared to the observed species richness. The spatial distribution of amphipods varied significantly as a function of habitat type, showing the highest richness values on coral patches and the major abundances on man-made structures, such as navigation buoys and fishing traps. Multivariate analyses suggested the distinction between three taxonomically diverse species assemblages that showed similar ecological affinities, i.e. those on: (1) soft-bottom environments, grouping bare substrata and seagrass beds habitats; (2) hard-bottom environments, grouping coral patch and reef wall habitats; and (3) artificial substrata. The results highlight the importance of this reef ecosystem for a high amphipod diversity, but it is susceptible to future modifications in the presence of non-indigenous species, potentially invasive, on artificial substrata.


10.
Artículo
*En hemeroteca, SIBE-San Cristóbal
Biodiversidad de los tanaidáceos (Crustacea: Peracarida: Tanaidacea) del Parque Nacional Arrecife Puerto Morelos, Quintana Roo, México
Winfield, Ignacio ; Abarca Ávila, Mónica (coaut.) ; Ortiz, Manuel (coaut.) ; Cházaro Olvera, Sergio (coaut.) ; Lozano Aburto, Miguel Ángel (coaut.) ;
Contenido en: Revista Mexicana de Biodiversidad Vol. 88, no. 3 (septiembre 2017), p. 572-578 ISSN: 1870-3453
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
58965-10 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-San Cristóbal
PDF
Resumen en: Español | Inglés |
Resumen en español

Se actualiza la biodiversidad de los tanaidáceos bentónicos en el Parque Nacional Arrecife Puerto Morelos, Quintana Roo, México, los registros nuevos y ampliaciones del ámbito geográfico de varias especies. Se examinaron 1,388 organismos pertenecientes a 10 familias, 13 géneros y 14 especies, recolectados entre los 2 y 15 m de profundidad. Las especies más abundantes fueron Chondrochelia dubia (Krøyer, 1842), Paradoxapseudes bermudeus (Bacescu, 1980), Pseudotanais gerlachi (Sieg, 1977) y Hoplopolemius propinquus (Richardson, 1902). Previo a este trabajo, se habían documentado para este parque arrecifal tan solo 2 especies y un género de tanaidáceos, y 9 especies para el Caribe mexicano. Con los resultados de esta investigación se incrementan los registros a 15 y 19 especies de tanaidáceos, respectivamente. Las especies Apseudes orghidani Gutu e Iliffe, 1989, Mesotanais vadicola (Sieg y Heard, 1989), Nototanoides trifurcatus Sieg y Heard, 1985, Pagurotanais largoensis (McSweeny, 1982), Pseudotanais gerlachi, Zeuxo coralensis (Sieg, 1980) y Tanaissus psammophillus (Wallace, 1919) son registros nuevos para el mar Caribe. Se amplía el intervalo de distribución conocida para Mesokalliapseudes bahamensis (Sieg, 1982) y Psammokalliapseudes granulosus Brum, 1973.

Resumen en inglés

Checklist, new records, and new distributional range of the benthic tanaidacean species from the Puerto Morelos Reef National Park, QuintanaRoo, Mexico were analyzed. A total of 1,388 organisms, belonging to 10 families, 13 genera, and 14 species were identified from 2 to 15 mdepths. The species Chondrochelia dubia (Krøyer, 1842), Paradoxapseudes bermudeus (Bacescu, 1980), Pseudotanais gerlachi (Sieg, 1977), andHoplopolemius propinquus (Richardson, 1902) were the most abundant. Previously, 2 species and 1 genus of tanaidaceans for the coral reef PuertoMorelos, and 9 species for the Caribbean Sea had been recorded. This paper contributes to update the checklist of tanaidaceans from the PuertoMorelos reef to 15 species and 19 species from the Mexican Caribbean. In addition, Apseudes orghidani Gutu & Iliffe, 1989, Mesotanais vadicola∗