Browsing A) Producción científica UCSC by Issue Date
Now showing items 21-40 of 1814
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Cryptobia neghmei sp. n. (Protozoa: Kinetoplastida) in two species of flounder, Paralichthys spp. (Pisces: Paralichthydae) off Chile
(2001)Cryptobia neghmei sp.n. is described from the blood of two species of flounder, Paralichthys microps and P. adspersus, inhabiting the Chilean coast in the southern Pacific Ocean. Flagellates were elongate, slender, with ... -
Temporal and spatial variation in the distribution of epineustonic competent larvae of Concholepas concholepas along the central coast of Chile
(2002)The abundance of competent epineustonic larvae of the gastropod Concholepas concholepas (Gastropoda: Muricidae) in nearshore waters at 2 sites along the central coast of Chile was examined through monthly plankton tows ... -
SSCP-based identification of members within the Pseudoterranova decipiens complex (Nematoda: Ascaridoidea: Anisakidae) using genetic markers in the internal transcribed spacers of ribosomal DNA
(2002)The anisakid nematodes morphologically corresponding with Pseudoterranova decipiens sensu lato (s.l.) (Krabbe, 1878) from different seal or sea lion hosts and geographical origins, previously identified as Pseudoterranova ... -
The feasibility of using Udonella sp. (Platyhelminthes: Udonellidae) as a biological control for the sea louse Caligus rogercresseyi, Boxshall and Bravo 2000, (Copepoda: Caligidae) in southern Chile
(2002)Caligus rogercresseyi is a sea louse of native and farmed fish in southern Chile. Due to the impact that this copepod has on the Chilean salmonid production, it is necessary to search for control mechanisms that can ... -
Spiracanthus bovichthys n. gen. n. sp. (Acanthocephala: Arhythmacanthidae), a Parasite of Littoral Fishes of the Central South Coast of Chile
(2002)A new acanthocephalan species, Spiracanthus bovichthys n. gen. n. sp., is described. Samples were taken from 26 marine fish species between 23 and 53 degrees S of Chile. The parasite was found in the intestine of 6 species ... -
La dieta y la fauna de parásitos metazoos del torito Bovichthys chilensis Regan 1914 (Pisces: Bovichthydae) en la costa de Chile centro-sur: variaciones geográficas y ontogenéticas
(2002)Conocer qué, cuánto, cuándo y dónde comen y viven los hospedadores permitiría complementar los estudios parasitarios, ya que la transmisión de los endoparásitos está estrechamente ligada a la dieta, y la de los ectoparásitos ... -
Insectos del intermareal de Concepción, Chile: perspectivas para la investigación ecológica
(2002)Los insectos son un grupo virtualmente ignorado en los estudios ecológicos de ambientes marinos litorales en Chile. Aunque se reconocen como degradadores de restos orgánicos, otros datos sugieren una participación más ... -
Evolutionary versus ecological success in Antarctic benthic invertebrates
(2002)The unusually high proportion of brooding compared with broadcaster species among coastal Antarctic invertebrates has been traditionally interpreted as an adaptation to local environmental conditions. However, species with ... -
Populations, metapopulations, and the open-closed dilemma: the conflict between operational and natural population concepts
(2002)When we sent Alan Berryman a first draft of this essay for review, he sent us back an unpublished manuscript that discussed similar questions and possible solutions (Berryman 1999, 2002). Consequently, we decided ... -
Parasite body volume and infracommunity patterns in the southern pomfret Brama australis
(2002)The patterns of infracommunity descriptors (diversity, dominance, abundance) are compared when calculated with the number and body volume of the parasites in a sample of 26 southern pomfrets Brama australis collected in ... -
Optimization of Yield in Kinetically Controlled Synthesis of Ampicillin with Immobilized Penicillin Acylase in Organic Media
(2002)Immobilized penicillin acylase is a moderately priced versatile enzyme, that is able to catalyze the synthesis of derived penicillins and cephalosporins from the corresponding β-lactam nuclei and proper side-chain precursors. ... -
La reciprocidad: Algunas reflexiones a partir de las Homilías I a IV de Gregorio de Nisa
(2002)Gregorio de Nisa ha subrayado la diferencia entre la naturaleza del ser creado y del ser increado, entre el ser finito y el ser infinito, entonces ¿podría plantearse la idea que el hombre inmerso en este movimiento infinito ... -
Genetic variation and population structure in the marine snail Chorus giganteus (Gastropod: Muricidae), an overexploited endemic resource from Chile
(2002)The endemic marine gastropod Chorus giganteus represents a significant part of the benthic biomass subject to heavy exploitation by artisanal fisheries in Chile. Overexploitation has restricted its formerly wide distribution ... -
Reformas constitucionales propuestas para el Tribunal Constitucional
(2002)El control de la supremacía constitucional es uno de los problemas más importantes del derecho político a nivel mundial. Como dice la gran mayoría de la doctrina, nada se obtiene con promulgar una constitución extraordinaria ... -
Avoiding offshore transport of competent larvae during upwelling events: The case of the gastropod Concholepas concholepas in Central Chile
(2002)The coast of central Chile is characterized by the occurrence of coastal upwelling during the austral spring and summer seasons, which probably has important consequences for the cross-shelf transport of larval stages of ... -
Abundance, distribution and feeding patterns of a temperate reef fish in subtidal environments of the Chilean coast: the importance of understory algal turf
(2002)Cheilodactylus variegatus is an abundant carnivorous demersal reef fish that lives in the shallow subtidal of the north-central Chilean coast. Characteristically, these environments are dominated by kelp forests of Lessonia ... -
Effect of cosolvent and pH on the kinetically controlled synthesis of cephalexin with immobilised penicillin acylase
(2002)The effect of co-solvents was studied on the kinetically controlled synthesis of cephalexin with immobilised penicillin acylase (PA). Yield correlated well with the ratio of initial rates of cephalexin synthesis to acyl ... -
COMPOSICION DE LA DIETA DE BRAMA AUSTRALIS VALENCIENNES 1837 EN LA ZONA CENTRO-SUR DE CHILE (VIII REGIÓN) EN OTOÑO 2000 Y VERANO 2001
(2002)Se estudió la dieta de 216 ejemplares de Brama australis ("reineta"), provenientes de la pesca artesanal del Golfo de Arauco, Chile, durante otoño 2000 y verano 2001. El contenido gástrico de B. australis se analizó cuali ... -
Combined effects of dissolved oxygen concentration and water temperature on embryonic development and larval shell secretion in the marine snail Chorus giganteus (Gastropoda: Muricidae)
(2003)The present study was undertaken to determine the effects of both extracapsular oxygen concentration and temperature on embryonic development in Chorus giganteus. In normoxia increasing water temperature from 12Cto18 C ... -
Diversidad de macroinvertebrados asociados a arrecifes de Phragmatopoma moerchi kinberg, 1867 (Polychaeta: Sabellariidae) en el intermareal rocoso de Cocholgue,Chile
(2003)Las agregaciones monoespecíficas son comunes en el intermareal rocoso. Una de estas especies gregarias es el poliqueto tubícola Phragmatopoma moerchi, el cual construye arrecifes de tamaño variable en el intermareal rocoso. ...