982 resultados para Smallmouth Bass


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El desarrollo de la presente tesis busca la comprensión del aporte que brindan los conceptos: inteligencia emocional y liderazgo transformador en la formación y desarrollo de equipos efectivos de trabajo. Ambos elementos son relevantes para lograr una buena gestión de trabajo individual y de equipo, que favorezca la eficiencia organizacional y las relaciones interpersonales. Desde la perspectiva laboral, tanto el liderazgo transformador como la inteligencia emocional generan en las personas sentido de pertenencia a la organización, promueven su desarrollo profesional y personal, mejoran su satisfacción y actitud logrando un adecuado trabajo de equipo. La inteligencia emocional es la capacidad de entender los sentimientos propios y de los demás para generar respuestas adecuadas. El liderazgo transformador es el conjunto de habilidades y destrezas de un individuo para gestionar, estimular o motivar a un equipo favoreciendo el cumplimiento de objetivos comunes. Finalmente, a través de la correlación entre las variables inteligencia emocional y liderazgo transformador, se buscará entender el nivel de efectividad de los equipos de alto rendimiento en la fuerza comercial de microfinanzas CREDI FE Zona Quito.

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Este ensayo examina el significado y la función de la literatura escrita y leída desde la experiencia de la negritud en Ecuador, especialmente en lo que se refiere al ejemplo de Nelson Estupiñán Bass (1912-2002), a quien se considera uno de los principales escritores afroecuatorianos. Parte del problema que se analiza tiene que ver con cómo identificar el contexto social en el cual se lee la producción literaria de Estupiñán. De ahí, el análisis se mueve entre la llamada ciudad letrada y las áreas rurales del norte de Esmeraldas donde varias comunidades luchan por tomar control de sus propias representaciones. Por lo tanto, la pregunta que emerge tiene que ver con el rol conflictivo de un escritor afroesmeraldeño que pretende articular e interpretar las necesidades, los intereses y las historias que definen a los habitantes de la provincia de Esmeraldas mientras asume una posición jerárquica de un intelectual socialmente comprometido que, inconsciente y paradójicamente, deja sin voz a aquellas comunidades que, durante siglos, han hablado por medio de sus mayores y ancestros.

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The effects of the fish parasitic isopod, Ceratothoa oestroides (Risso), on haematological parameters of its cage-cultured sea bass host, Dicentrarchus labrax (L.), were studied. Analyses of blood parameters (cell counts, haemoglobin content and haematocrit) were carried out on parasitized and unparasitized sea bass from a fish farm in Turkey. Parasitized fish had significantly lowered erythrocyte counts, haematocrit and haemoglobin values and significantly increased leucocyte counts. Blood feeding by C. oestroides thus produces a post-haemorrhagic anaemia and the fish appear to mount an immune response to the presence of parasites.

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Let G be a finite group and ZG its integral group ring. We show that if alpha is a nontrivial bicyclic unit of ZG, then there are bicyclic units beta and gamma of different types, such that and are non-abelian free groups. In the case when G is non-abelian of order coprime to 6 we prove the existence of a bicyclic unit u and a Bass cyclic unit v in ZG, such that < u(m), v > is a free non-abelian group for all sufficiently large positive integers m.

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Let ZG be the integral group ring of the finite nonabelian group G over the ring of integers Z, and let * be an involution of ZG that extends one of G. If x and y are elements of G, we investigate when pairs of the form (u(k,m)(x*), u(k,m)(x*)) or (u(k,m)(x), u(k,m)(y)), formed respectively by Bass cyclic and *-symmetric Bass cyclic units, generate a free noncyclic subgroup of the unit group of ZG.

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Marciniak and Sehgal showed that if u is a non-trivial bicyclic unit of an integral group ring then there is a bicyclic unit v such that u and v generate a non-abelian free group. A similar result does not hold for Bass cyclic units of infinite order based on non-central elements as some of them have finite order modulo the center. We prove a theorem that suggests that this is the only limitation to obtain a non-abelian free group from a given Bass cyclic unit. More precisely, we prove that if u is a Bass cyclic unit of an integral group ring ZG of a solvable and finite group G, such that u has infinite order modulo the center of U(ZG) and it is based on an element of prime order, then there is a non-abelian free group generated by a power of u and a power of a unit in ZG which is either a Bass cyclic unit or a bicyclic unit.

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The physicochemical attributes of 66 coastal dune lakes (lagoons) on islands of Bass Strait have been investigated. The full data set is available electronically. Here, selected environmental variables with known ecological significance are presented and, by reference to known sites of floristic richness in Tasmania, the lagoons most likely to harbour endemic freshwater algae are identified, as biogeographical stepping stones between the Tasmanian and mainland Australian microfloras.

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In avian species with no obvious differences in plumage or body size between the sexes, such as penguins, discriminant function analysis (DFA) of morphometric measurements that display sexual dimorphism can provide a simple and rapid means of determining sex in the field. Like most other penguin species, the Little Penguin (Eudyptula minor) displays sexual dimorphism in bill shape and size. In the present study, discriminant functions (DFs) were developed for sexing adult Little Penguins at two colonies in northern Bass Strait, Victoria, Australia, and their accuracies were compared with those obtained previously in other parts of the species' range. Backwards stepwise DFA indicated that birds at Phillip Island can be sexed with an accuracy of 91% using a single measurement of bill depth (>13.33 mm classed as males). Similar analyses at Gibson Steps produced a DF incorporating bill length, bill depth and head length [although the model with the greatest accuracy when applied to birds from Phillip Island (91%) also contained only bill depth]. Published DFs derived in New Zealand had accuracies of 50–85% when applied to birds from Phillip Island and Gibson Steps, supporting earlier suggestions that DFs are not applicable across subspecies of the Little Penguin. In contrast, there was little difference between the accuracy of the DFs in the present study and that previously derived for the same subspecies in Tasmania when applied to birds from Phillip Island (89%) and Gibson Steps (92%). However, as the degree of variation in bill size within a subspecies is unknown it may still be prudent to derive colony-specific DFs.

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The swamp antechinus (Antechinus minimus maritimus) is a small insectivorous marsupial inhabiting closed heath and tussock grassland in south-eastern Australia. The species is considered 'Near Threatened' on the
Australian mainland. Populations persist on coastal islands off Wilsons Promontory, but their current status is unknown. This study investigated the density, diet and reproduction of the swamp antechinus on Kanowna Island.
Data were collected by live trapping in different vegetation types during four trips between August 2003 and January 2004. Higher animal densities (47-129 ha-1) were found for Kanowna Island than for previously studied mainland populations (1-18 ha-1). Examination ofscats showed that this species eats a wide variety ofprey types, with moth larvae a major dietary component, particularly during the breeding season. Births were estimated to have occurred between 28 June and 8 August, which is a longer period than reported for other populations of this species. Factors including reduced predation, restricted dispersal and increased food availability may be responsible for supporting this dense population.

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Coastal lagoons of the principal islands of Bass Strait, between Australia's mainland and Tasmania, were sampled in two summers. Many, particularly those of low to moderate salinity, contain relatively rich assemblages of microinvertebrates and some endemic Australian freshwater algae. Several species of testate amoebae and rotifers could not be referred to known morphotypes and are probably new species. The presence of certain species on islands of Bass Strait provides a link between populations in mainland Australia and others in Tasmania. Those lagoons are identified that, by virtue of catchments or buffer zones clothed in native vegetation, are favourable for the survival of a native and partly endemic microbiota.

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Knowledge of the foraging areas of top marine predators and the factors influencing them is central to understanding how their populations respond to environmental variability. While there is a large body of literature documenting the association of air-breathing marine vertebrates with areas of high marine productivity, there is relatively little information for species restricted to near-shore or continental-shelf areas. Differences in foraging range and diving behaviour of the little penguin Eudyptula minor were examined from 3 breeding colonies (Rabbit Island, Kanowna Island and Phillip Island) in central northern Bass Strait, southeast Australia, during the chick-guard stage using electronic tags (platform terminal transmitters, PTTs, and time-depth recorders, TDRs). Although there were large overall differences between individuals, the mean maximum foraging range (16.9 to 19.8 km) and mean total distance travelled (41.8 to 48.0 km) were similar between the 3 colonies, despite different bathymetric environments. Individuals from all 3 colonies selected foraging habitats within a narrow sea surface temperature (SST) range (16.0 to 16.4°C). While there were significant differences in mean dive depths (5.4 to 10.9 m) and mean durations (13.2 to 28.6 s) between the different colonies, the mean diving effort (vertical distance travelled: 936.3 to 964.3 m h–1) was similar. These findings suggest little penguins from the 3 colonies employ relatively similar foraging efforts yet are plastic in their foraging behaviours.

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Investigates the basic biology of the toothy flathead, Neoplatycephalus aurimaculatus. Parameters such as age and growth, reproduction and diet were studied. In eastern Bass Strait, toothy flathead feed mainly on eels and school whiting, breed in late spring and early summer, and are moderately long lived.

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Early to late Pliocene sedimentary strata present across the northern Bass Strait hinterland, southeastern Australia yield extensive fossil proxy data relevant to the interpretation of high sea level coastal palaeomorphology. Within the Pliocene Whalers Bluff Formation exposed in coastal cliffs near the township of Portland, Victoria, marine microfossil faunas delineate two broad cycles of deposition. Both these sedimentary cycles are bound below by unconformity surfaces. Within the lower sedimentary cycle, a basal stress-tolerant (low diversity) marginal marine microfossil fauna devoid of ostracods and suggestive of bottom-water hypoxia, is succeeded by a diverse shallow marine ostracod fauna dominated by stenohaline species indicative of a sheltered (but open) oceanic embayment. This lower sedimentary cycle has an early Pliocene (Zanclean) age. Equivalent shallow marine (e.g. coastal embayment) deposits occur broadly across the coastal hinterland of southeastern Australia-reflecting the generally higher global sea levels of this time. The upper cycle in the cliff exposures at Portland is late Pliocene (Piacenzian) in age. Equivalent deposits across the Bass Strait hinterland are restricted to former incised river valley settings. Euryhaline estuarine/coastal lagoon Ostracoda are present throughout the upper cycle in the Portland cliffs. These are associated with a low diversity microfauna at the base of the upper cycle and a high diversity microfauna towards the top of the cycle. Early Pliocene coastal marine deposits can be distinguished from late Pliocene coastal marine deposits across the northern Bass Strait hinterland on the basis of the presence or absence of certain open marine ('stenohaline') ostracod species.