Results 61 to 70 of about 1,170 (136)

Temporal variation of phytoplankton in a small tropical crater lake, Costa Rica

Revista de Biología Tropical, 2010
The temporal variation in lake’s phytoplankton is important to understand its general biodiversity. For tropical lakes, it has been hypothesized that they follow a similar pattern as temperate ones, on a much accelerated pace; nevertheless, few case ...
Gerardo Umaña-Villalobos
doaj  

Depth-selection patterns and diel vertical migration of Daphnia ambigua (Crustacea: Cladocera) in lake El Plateado Patrones de selección de profundidad y migración vertical de Daphnia ambigua (Crustacea: Cladocera) en el lago El Plateado

Revista Chilena de Historia Natural, 2001
Eutrophic temperate and sub-tropical lakes often exhibit a marked vertical structure during the warm season that involves important spatial differences of physical, chemical and biological variables.
RODRIGO RAMOS-JILIBERTO, LUIS R. ZÚÑIGA   +1 more
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Factores que afectan la producción de leche en vacas mestizas Criollo Limonero x Holstein

Revista Científica, 2010
Con el propósito de estudiar los factores genéticos, fisiológicos y ambientales que afectan la producción de leche en vacas mestizas Criollo Limonero, se analizaron 106 registros de lactancias pertenecientes a vacas mestizas G1: ½ Holstein x ½ Criollo
Gloria Contreras, Sunny Zambrano, Manuel Pirela, Oscar Abreu, Homero Cañas   +4 more
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Planktonic Cyanobacteria of the tropical karstic lake Lagartos from the Yucatan Peninsula, Mexico Las cianobacterias planctónicas del lago tropical cárstico Lagartos de la Península de Yucatán, México

Revista de Biología Tropical, 2013
The tropical karstic lakes on the Mexican Caribbean Sea coast are numerous. However, there is an enormous gap of knowledge about their limnological conditions and micro-algae communities. In the present study, surface water samples were collected monthly
Francisco Valadez, Gabriela Rosiles-González, Antonio Almazán-Becerril, Martin Merino-Ibarra   +3 more
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Age and growth of the tilapia, Oreochromis niloticus (Perciformes: Cichlidae) from a tropical shallow lake in Mexico

Revista de Biología Tropical, 2008
Age and growth of Nile tilapia (Oreochromis niloticus) were determined using 1 039 specimens collected in a tropical shallow lake of Mexico, from January to December 1993.
José Luis Gómez-Márquez, Bertha Peña-Mendoza, Isaías H Salgado-Ugarte, José Luis Arredondo-Figueroa   +3 more
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Morbilidad y mortalidad en becerros mestizos Holstein

Revista Científica, 2010
A objeto de evaluar morbilidad (MRB) y mortalidad (MRT) en la fase de lactancia, se practicaron chequeos clínicos de campo mensualmente desde 1990 hasta 1993, a becerros mestizos Holstein hijos de toros puros (HP), toros de medio cruzamiento Holstein ...
José Ferrer, Marianela Barboza, Jorge Luzardo, Nora Soto Reverol, Antonio Landaeta, José Aranguren, Manuel Alvarado   +6 more
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Spathulenol, a Sesquiterpene from <i>Guarea macrophylla</i>, Displays Potent and Selective <i>Anthelmintic</i> Activity against <i>Angiostrongylus cantonensis</i>. [PDF]

ACS Omega
Santos JM, Fukui-Silva L, Amorim CS, Gonçalves MM, Moriconi JPV, Alborghetti IS, de Almeida RBP, Lago JHG, de Moraes J.   +8 more
europepmc   +1 more source

Correction: Efficacy of intralesional meglumine antimoniate in the treatment of canine tegumentary leishmaniasis: A Randomized controlled trial. [PDF]

PLoS Negl Trop Dis, 2023
Lago J, Fraga D, Guimarães LH, Lago T, Silva YJ, Lago E, Werneck GL, Bacellar O, Carvalho EM.   +8 more
europepmc   +1 more source

Hydroxymethylfurfural Formation and Sensory Implications in Raisins: Effects of Cultivar, Extra Virgin Olive Oil Pretreatment, and Storage Temperature. [PDF]

Plants (Basel)
Shimizu-Marin VD, Bruno DH, Nishiyama-Hortense YP, Olivati C, Lago-Vanzela ES.   +4 more
europepmc   +1 more source

Amides from Porcelia ponderosa Roots Display Efficacy In Vitro Against Intracellular Amastigotes of Trypanosoma cruzi. [PDF]

Chem Biodivers
Dos Santos CHT, Abiuzi MB, De Andrade BA, Levatti EVC, Chaves MH, Tempone AG, Lago JHG.   +6 more
europepmc   +1 more source