Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 37 for “"Shrimps"”.
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Environmental influences on banana shrimps of the Sofala Bank, Mozambique Channel
… an essential habitat for shallow-water penaeid shrimps. It supports an important multi-sector and -species fishery, with Fenneropenaeus indicus and Metapenaeus monoceros (banana shrimp) being the two main target species. Over the past decade this valuable resource has been declining, which has …
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Análise morfométrica do camarão de água doce Macrobrachium rosenbergii e do camarão marinho Litopenaeus vannamei
… in a nursery with an area of 1000 m2, being 10 shrimps / m2. The morphometric data of M rosenbergii were collected from animals between 5-50g, while for L. vannamei between 5-15g, weights commonly obtained in the commercial fattening of these species. The animals were sacrificed and the …
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Aspectos bioecológicos e pesqueiros de três espécies de camarões do gênero Penaeus nas costas do Estado do Rio de Janeiro e experimentos de cultivo
… experiments of culture of the three species of shrimps of the most important commercial goals for the Fishing in the State of Rio de Janeiro, are considered as follows: a) Penaeus brasiliensis (pink spotted shrimp); b) Penaeus paulensis (brown shrimp); and e) Penaeus schmitti (white shrimp). …
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Nachweis und Differenzierung von Vibrio sp. in Krusten- und Schalentieren und Erzeugnissen daraus unter besonderer Berücksichtigung der routinemäßigen Diagnostik
… in the district of Karlsruhe 100 samples of shrimps and shells either raw or heat treated, but not ready to eat, besides this heated and ready to eat food samples. These samples were tested by means of one enrichment system and two bacterial counting methods for Vibrio sp. The enrichment …
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Burrowing and feeding ecology of the ghost shrimp Biffarius arenosus (Decapoda: Callianassidae)
… burrowing and feeding ecology of a population of shrimps inhabiting an intertidal sandflat in Western Port, Victoria.
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Enviromental influences on the spatio-temporal distribution of Aristeus Antennatus (Risso, 1816) and Aristaeomorpha Foliacea (Risso, 1827) in the Central-Western Mediterranean
… deep-sea bottom fishery are the red shrimps Aristeus antennatus (Risso, 1816) and Aristaeomorpha foliacea (Risso, 1827), that represent one of the most important commercial species. In general both species coexist in large part of their distribution range, but in the Mediterranean …
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Fairy shrimp (Anostraca) in the vernal pools of Eastern Washington
… of dry pools and hatch with rehydration. The shrimps act as key indicators of pool quality, but little is known about these organisms, and the pools in which they reside need further study. Many species are classed only by locality or have been found only once or twice ever, and new species …
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Reproductive patterns of deep-sea invertebrates related to phylogeny and energy availability
… Closely related species of caridean shrimps and asteroids from environments with different food availability were studied. Their gonad morphology, gametogenic patterns, fecundity and egg size were analysed. The reproductive biology of five species of mesopelagic shrimp from the …
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Camarões (Atyidae e Palaemonidae) da rede fluvial do Estado do Rio de Janeiro: sistemática e distribuição
… and geographic distribution of freshwater shrimps (Atyidae and Palaemonidae) from the Rio de Janeiro fluvial system were studied. Some environmental factors (salinity, temperature, declivity and oxygen) influence upon species distribution. This dissertation contains an introduction, …
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The nutritional effects of selected algae, prebiotics and commercial herbal feed additives on the growth rate and health of juvenile spotted grunter, Pomadasys commersonnii (Pisces: Haemulidae)
In the aquaculture of fish and shrimps, diets generally contain high levels of fish meal. Fish meal is a nutrient rich feed that contains essential amino acids and fatty acids, which are required to maintain optimum growth and health of an animal. It is traditionally used in aquaculture to promote …
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Review of the South African and Mozambican stomatopod fauna
Mantis shrimps or stomatopods (Crustacea: Stomatopoda) form an important component of the marine benthos and are notorious predators. Globally some 480 species have been described. However, the current taxonomic knowledge on the mantis shrimp fauna of southern Africa remains limited and outdated, …
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Phytochemical analysis and selected biological activity of Phyllanthus parvulus Sond. var garipensis
… after 12hours since less than 70% of the brime shrimps were still alive.
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Acoustic source localization
… One source of impulse-like noise is the snapping shrimps. The acoustic signals they emit from snapping their claws hinder technologies, but can also be used as a source of ambient noise illumination due to the rough uniformity in their spatial distribution. Understanding the spatial distributions …
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Movement Ecology and Trophic Dynamics in the northern Gulf of Mexico: Implications for Fisheries Management
… from low-trophic-level species, such as penaeid shrimps and forage fishes, to high-trophic-level predators (e.g. Yellowfin Tuna). This thesis contributes to the region’s ecological knowledge, with the primary aim of enhancing management efforts and providing direct management advice to two …
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Effects of zinc and mercury on the white shrimp, Penaeus setiferus
… to that reported in the literature for other shrimps
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Aspectos biológicos ligados à produtividade da pesca nos açudes públicos da área do "Polígono das Secas" - nordeste do Brasil
… insectivorous – sardine; onivorous – apaiari, shrimps, cangati, common piau; primary carnivorous – pescadas, traíra and tucunarés; secondary carnivorous – piranhas and pirarucu. During the period under study the primary carnivorous have predominated in all groups of reservoirs, presenting the …
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Drivers of burrow symbiont distribution in a softsediment system: host abundance or burrow trophic environment?
… by the burrowing activities of thalassinid shrimps. Their burrows are home to various burrow symbionts including a commensal shrimp (Betaeus jucundus), a six-legged crab (Spiroplax spiralis) and a scaleworm (Antinoe lactea). Little work has been conducted on these burrow symbionts, and the …
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SUSTAINABILITY STRATEGIES AND GREENWASHING ALONG FOOD VALUE CHAINS: AN EMPIRICAL ANALYSIS OF THE DETERMINANTS
… namely coconut, coffee, processed tomatoes, shrimps, soft drinks and tea. A tailored empirical strategy was developed for each chapter, and a different regression model was employed based on the characteristics and distribution of the dependent variables. The thesis demonstrates that a vast …
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Ecology of the pelagic fish resources of Lake Tanganyika
… but is mainly based on S. tanganicae and pelagic shrimps. Local occurrence of S. tanganicae is associated with that of copepod prey.The fish stocks experience different exploitation rates across the lake. While the fishing pressure is not excessive in the most of the lake areas, in others local …
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Algal bioproducts : investigating the effect of light quality on metabolite production by photosynthetic diatoms
… as are other shellfish, some crustaceans, shrimps/prawns and fish. The rearing of oysters and other aquaculture products rely on the constant production of live diatoms as feed. Diatom production in Australian hatcheries are commonly recognised as the major bottleneck in oyster production, …
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