Avaliação do Copépodo Acartia tonsa (Dana, 1849) como Organismo-Teste para Ensaios de Toxicidade Crônica
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چکیده
منابع مشابه
Um Framework para Avaliação de Episódios de Gestão do Conhecimento
Support for organizational knowledge management (KM) requires mechanisms for creation, mapping and transference of knowledge. Many organizations use computer tools (KM systems) for achieving these goals. However, in many situations the whole potential of these systems to transfer knowledge and foment organizational learning is not adequately used. This happens mainly due to the lack of effectiv...
متن کاملEffects of food on bacterial community composition associated with the copepod Acartia tonsa Dana.
The estuarine copepod Acartia tonsa naturally carried diverse strains of bacteria on its body. The bacterial community composition (BCC) remained very conservative even when the copepod was fed different axenic algal species, indicating that the food per se did not much affect BCC associated with the copepod. In xenic algal treatments, however, copepod-associated BCC differed with each alga fed...
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DMSP-consuming bacteria (DCB) were recovered from the body and fecal pellets of the copepod Acartia tonsa (Dana). The most probable number of DCB associated with starved A. tonsa was 9.2x10(2) cells copepod(-1). The abundance of DCB recovered from the copepod body increased to 1.6-2.8x10(4) after the copepod fed on DMSP-containing alga. DCB abundance associated with fecal pellets averaged 1.2x1...
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Egg production in the copepod Acartia tonsa was evaluated using different densities of the microalgae Thalassiosira weissflogii, Chaetoceros muelleri and Isochrysis galbana. Male and female were kept under controlled conditions (salinity 30, 20 degrees C, photoperiod 12L:12D), acclimated to the experimental conditions and left over a period of 24 h to allow copulation. Algal densities tested we...
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The step of software testing has been increasingly relevant in the software development process, directly impacting on the quality of the product. Among the tests applied in the software, it appears that the unit test does not present an artifact aligned with the standard adopted for specification of software (UML). In this sense, it presents a proposal for using the sequence diagram of how to ...
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ژورنال
عنوان ژورنال: Journal of the Brazilian Society of Ecotoxicology
سال: 2010
ISSN: 1809-8401
DOI: 10.5132/jbse.2010.01.005