Resultados de búsqueda - "species"

Differences of vegetation structure and diversity of a forest in an altitudinal gradient of the Sierra La Laguna Biosphere Reserve, Mexico por Rascón Ayala, Jesús Manuel, Alanís Rodríguez, Eduardo, Mora Olivo, Arturo, Buendía Rodríguez, Enrique, Sánchez Castillo, Laura Margarita, Silva García, Jesús Eduardo

“…Results: Sixteen families, 22 genera and 22 vascular plant species were recorded. The most diverse family was Fabacea with four species followed by Cactaceae with three species. …”
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Freshwater fishes and water status in Mexico: A country-wide appraisal. por Contreras Balderas, Salvador, Ruiz Campos, Gorgonio, Schmitter Soto, J.J., Zambrano González, L., Varela Romero, A., Mendoza Alfaro, Roberto Eduardo, Ramírez Martínez, Carlos, Leija Tristán, M. A., Almada Villela, P., Hendrickson, D.A., Lyons, J.

“…There are still some 30–40 fish species not yet described. There are 563 fish species colonizing coastal flood plain species. …”
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Broodstock and Larval Nutrition of Marine Ornamental Shrimp por Lin, Junda, Zhang, Dong, L. Rhyne, Andrew

“…In recent years, efforts have been made to develop aquaculture protocols for the marineornamental shrimp, especially species of Lysmata (cleaner shrimp) and Stenopus (bandedcoral shrimp). …”
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Biodiversidad de Polychaeta (Annelida) en México por Tovar Hernández, María Ana, Salazar Silva, Patricia, León González, Jesús Angel de, Carrera Parra, Luis Fernando, Salazar Vallejo, Sergio Ignacio

“…At least 13% could be endemic species. Mexico contains 10% of the world’s polychaete species.…”
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Distribución de insectos necrófagos bajo un gradiente altitudinal en el monumento nacional “Cerro de la Silla”, Guadalupe, Nuevo León. por Esquivel Alfaro, Teresa Imelda

“…March, April, May and June were the months with temperatures between 34 to 36or C, density of species that was obtained was of 1731 organisms, in July were not carried out in collections because of Hurricane Alex, in January, February and December temperatures fell from 8 up to 0or C being February the month that more moisture present, vegetation cover almost he was not and the density of species was 135 species, Megaselia scalaris was species which arose in greater quantity and in all the months of the year, as did Sarcophaga haemorrhoidalis, Fannia scalaris and Musca domestica, although to a lesser extent. …”
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Post-fire successional response of Lepidoptera communities in the Sierra Madre Oriental mountain range por Jane Friesen, Rebecca

“…However, generalist species abundance tends to increase in open habitats while specialist species are more sensitive to disturbances. …”
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Distribución de insectos necrófagos bajo un gradiente altitudinal en el monumento nacional “Cerro de la Silla”, Guadalupe, Nuevo León. por Esquivel Alfaro, Teresa Imelda

“…March, April, May and June were the months with temperatures between 34 to 36or C, density of species that was obtained was of 1731 organisms, in July were not carried out in collections because of Hurricane Alex, in January, February and December temperatures fell from 8 up to 0or C being February the month that more moisture present, vegetation cover almost he was not and the density of species was 135 species, Megaselia scalaris was species which arose in greater quantity and in all the months of the year, as did Sarcophaga haemorrhoidalis, Fannia scalaris and Musca domestica, although to a lesser extent. …”
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Post-fire successional response of Lepidoptera communities in the Sierra Madre Oriental mountain range por Jane Friesen, Rebecca

“…However, generalist species abundance tends to increase in open habitats while specialist species are more sensitive to disturbances. …”
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Compound Aqua feeds in a More Competitive Market: Alternative protein sources for a more sustainable future por G.J. Tacon, Albert

“…Net fish producing species in 2006(with fish-in fish-out ratios below 1), included herbivorous and omnivorous finfish and crustacean species,including non-filter feeding Chinese carp (0.2), milkfish (0.2), tilapia (0.4), catfish (0.5), and freshwatercrustaceans (0.6).…”
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Characterization of xylem water potential in ten native plants of north-eastern Mexico por González Rodríguez, Humberto, Cantú Silva, Israel, Ramírez Lozano, Roque Gonzalo, Gómez Meza, Marco Vinicio, Uvalle Sauceda, José Isidro, Maiti, Ratikanta

“…The implications of this study suggest that the species respond differently to drought through the employment of different strategies and there is scope for forest and range management practices in the selection of drought tolerant species for planting and reforestation of drought prone areas…”
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Current and Future Niche of North and Central American Sand Flies (Diptera: Psychodidae) in Climate Change Scenarios por Kamhawi, Shaden, Moo Llanes, David, Ibarra Cerdeña, Carlos N., Rebollar Téllez, Eduardo Alfonso, Ibáñez Bernal, Sergio, González, Camila, Ramsey, Janine M.

“…Ecological niche models are useful tools to infer potential spatial and temporal distributions in vector species and to measure epidemiological risk for infectious diseases such as the Leishmaniases. …”
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Current and Future Niche of North and Central American Sand Flies (Diptera: Psychodidae) in Climate Change Scenarios por Moo Llanes, David, Ibarra Cerdeña, Carlos N., Rebollar Téllez, Eduardo Alfonso, Ibáñez Bernal, Sergio, González, Camila, Ramsey, Janine M.

“…Ecological niche models are useful tools to infer potential spatial and temporal distributions in vector species and to measure epidemiological risk for infectious diseases such as the Leishmaniases. …”
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Diversity of mosquitoes and the aquatic insects associated with their oviposition sites along the Pacific coast of Mexico por Bond Compeán, Juan Guillermo, Casas Martínez, Mauricio, Quiroz Martínez, Humberto, Novelo Gutiérrez, Rodolfo, Marina Fernández, Carlos F., Ulloa García, Armando, Orozco Bonilla, Arnoldo, Muñoz, Miguel, Williams, Trevor

“…Field collected larvae and pupae were reared and identified to species following adult emergence. Aquatic insects present at oviposition sites were also collected, counted and identified to species or genus. …”
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Distribución ecológica de la herpetofauna en gradientes altitudinales superiores del Cerro El Potosí, Galeana, Nuevo León, México por Contreras Lozano, Jorge Armando, Lazcano, David, Contreras Balderas, Armando Jesús

“…A total of 188 individuals of seven species were collected, one species of frog, one species of salamander, four species of lizards and one species of snake.…”
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Wordwide patterns of genetic differentiation imply multiple ‘domestications’of Aedes aegypti, a major vector of human diseases por Brown, Julia E., McBride, Carolyn S., Johnson, Petrina, Ritchie, Scott, Paupy, Christophe, Bossin, Herve, Lutomiah, Joel, Fernández Salas, Ildefonso, Ponlawat, A., Cornel, A. J., Black, William C., Gorrochótegui Escalante, Norma, Urdaneta Marquez, Ludmel, Sylla, M., Slotman, M., Murray, Kristy O., Walker, C., Powell, Jeffrey R.

“…Understanding the processes by which species colonize and adapt to human habitats is particularly important in the case of disease-vectoring arthropods. …”
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Macro and micro-nutrient contents of 18 medicinal plants used traditionally to alleviate diabetes in Nuevo León, Northeast of México por Maiti, Ratikanta, González Rodríguez, Humberto, Kumari, Aruna, Chandra Sarkar, Narayan

“…The C/N values ranged from 8 to 30. The species having high C/N were Agave macroculmis (30), Arbutus xalapensis (26) and Rhus virens (22). …”
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Long-Chain Polyunsaturated Fatty Acids in Fish: Recent Advances on Desaturases and Elongases Involved in Their Biosynthesis por Monroig, Óscar, Navarro, Juan C., R. Tocher, Douglas

“…This paper reviews the recent progress made on the molecular aspects of Fad- and Elovl-encoding genes isolated so far from fish species. More specifically, we discuss the potential implications that Fad and Elovl functions and expression patterns have on the ability of a particular fish species to thrive on sustainable vegetable-based aquafeeds.…”
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Plant composition and structure of two post-livestock areas of Tamaulipan thornscrub, Mexico por Pequeño Ledezma, Miguel Angel, Alanís Rodríguez, Eduardo, Molina Guerra, Víctor Manuel, Mora Olivo, Arturo, Alcalá Rojas, Alejandro G., Martínez Ávalos, José Guadalupe, Garza Ocañas, Fortunato

“…The intensive livestock area had 36 species; a Margalef index of 4.44 and a 1.24 Shannon index, while the extensive livestock area had 32 species, a Margalef index of 4.24 and a 2.16 Shannon index. …”
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Diversity of midgut microbiota in ticks collected from white-tailed deer (Odocoileus virginianus) from northern Mexico por Molina Garza, Zinnia Judith, Cuesy León, Mariana, Baylón Pacheco, Lidia, Rosales Encina, José Luis, Galaviz Silva, Lucio

“…The ticks from Tamaulipas and Nuevo León presented the highest bacterial species diversity. Acinetobacter johnsonii and A. lwoffii were the common bacterial species in the microbiome of all ticks, Coxiella were present in R. microplus, and Dermacentor nitens also exhibited a Francisella-like endosymbiont. …”
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Global Trends in Aquaculture and Feed Ingredient Use in Compound Aquafeeds por J. Tacon, Albert G.

“…By region, Asia accounted for over 91.2 percent of total global aquaculture production in 2011 (APR 8.46 percent since 1984), followed by the Americas at 3.53 percent (APR 7.59 percent), Europe at 3.20 percent (APR 3.99 percent), Africa at 1.84 percent (APR 14.82 percent), and Oceania at 0.25 percent (APR 9.02 percent).In terms of the major farmed species groups in 2011, finfish accounted for 41.6 million tonnes or 49.8 percent of total global aquaculture production in 2011 (valued at US $ 83.6 billion, with over 102 reported fish species, and production growing at an average APR of 8.85 percent since 1984), followed by aquatic plants at 21.0 million tonnes or 25.1% of total global production (valued at US $ 5.5 billion, with 12 reported aquatic plant species, and production growing at an average APR of 7.16 percent since 1984), molluscs at 14.4 million tonnes or 17.2 percent of total global production (valued at US $ 15.3 billion, with 27 reported mollusk species, and production growing at an average APR of 7.17 percent since 1984), and crustaceans at 5.9 million tonnes or 7.0 percent of total global production (valued at US $ 28.4 billion, with 15 reported crustacean species, and production growing at an average APR 13.1 percent since 1984; FAO, 2013).The total production of the major finfish and crustacean species groups fed industrially compounded or farm-made aquafeeds was reported to be 40.57 million tonnes in 2011 (FAO, 2013), with total global industrial compound aquafeed production estimated at approximately 35.75 million tonnes; the major compound feed fed species groups including: Chinese carp at 11.76 million tonnes (excluding silver carp and big head carp) with an estimated total compound aquafeed requirement of 10.19 million tonnes; Tilapia at 3.96 million tonnes with an estimated total compound aquafeed requirement of 5.79 million tonnes or 16.2 percent of total global compound aquafeed production;Shrimp at 3.93 million tonnes with an estimated total compound feed requirement of 5.54 million tonnes or 15.5 percent of total global compound aquafeed production; Catfish at 3.38 million tonnes with an estimated total compound feed requirement of 3.70 million tonnes or 10.3 percent of total global compound aquafeed production; Marine fish at 2.01 million tonnes with an estimated total compound feed requirement of 2.82 million tonnes or 7.9 percent of total global compound aquafeed production; Other freshwater and diadromous fish at 1.94 million tonnes with an estimated total compound feed requirement of 1.24 million tonnes or 3.5 percent of total global compound aquafeed production; Salmon at 1.93 million tonnes with an estimated total compound feed requirement of 2.51 million tonnes or 7.0 percent of total global compound aquafeed production; Freshwater crustaceans at 1.67 million tonnes with an estimated total compound feed requirement of 1.71 million tonnes or 4.8 percent of total global compound aquafeed production; Milkfish at 891,407 tonnes with an estimated total compound feed requirement of 820,000 tonnes or 2.3 percent of total global compound aquafeed production; Trout at 791,959 tonnes with an estimated total compound feed requirement of 1.03 million tonnes or 2.9 percent of total global compound aquafeed production; Eel at 255,284 tonnes with an estimated total compound feed requirement of 392,000 tonnes or 1.1 percent of total global compound aquafeed production in 2011.In terms of feed ingredient usage, the compound aquafeed sector still remains the largest consumer of fishmeal and fish oil, aquaculture consuming 78 percent of total global fish oil production in 2011 (major aquaculture species group consumer being salmonids at 66 percent followed by marine fish at 17 percent) and 68% of total global fishmeal production in 2011 (major aquaculture species group consumer being crustaceans at 30 percent, followed by salmonids at 22 percent, and marine fish at 21 percent; Dr Andrew Jackson, personal communication, The Marine Ingredients Organization, http://iffo.net). …”
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