Teses em Ciência Animal (Doutorado) - PPGCAN/Castanhal
URI Permanente para esta coleçãohttps://repositorio.ufpa.br/handle/2011/4665
O Doutorado em Ciência Animal teve início em 2008, com início da primeira turma em 2009 junto à CAPES/MEC e funciona no Programa de Pós-Graduação em Ciência Animal (PPGCAN) do Campus Universitário de Castanhal (CCAST) da Universidade Federal do Pará (UFPA), Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA) e Universidade Federal Rural da Amazônia (UFRA).
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Item Acesso aberto (Open Access) Avaliação da qualidade da água e da sazonalidade no processo produtivo de Litopenaeus vannamei (Boone, 1931) no município de Curuçá–PA(Universidade Federal do Pará, 2013-05-29) PALHETA, Glauber David Almeida; MELO, Nuno Filipe Alves Correia de; http://lattes.cnpq.br/4989238044542736; ROCHA, Rossineide Martins da; http://lattes.cnpq.br/4371300451793081Shrimp production in Amazon has a potential to rise in the next years. Litopenaeus vannamei is a marine species which is starting to be better explored in Para State. This is due to water quality, more precisely to physical, chemical, hydrologic and sanitary water condition, and sediments. We can also mention that the seasonality of region may contribute to adequate condition for L. vannamei production. The accompaniment of water conditions are indispensable to understand how the seasonality could affect the shrimp production in Para State. The management in shrimp farm could be improved with inclusion of statistic in the data from shrimp farm and this technique maybe used to model the parameters during the cultivation and, consequently, improving the production and decreasing the cost. Therefore, the Thesis aimed to evaluate the influence of seasonality in water quality and shrimp growth. To those evaluations, the shrimp production in a commercial farm (Curuçá city, PA) was evaluate during the two cycle found in the region, and the first was from January to April of 2011 (rainy season) and the second was from July to November of 2012 (less rainy season). The farm had four tanks of one hectare of water surface and those thanks were used alternately in both cycles. In general, the seasonality found in Amazon altered the water quality in both cycles, but the shrimp cultivation was not affected. In addition, the production showed to be viable economically in both periods (rainy and less rainy season). There was correlation among rainfall and shrimp production.Item Acesso aberto (Open Access) A etnoictiologia de pescadores xikrin da terra indígena Trincheira Bacajá - Pará, Brasil(Universidade Federal do Pará, 2014) CARVALHO JÚNIOR, Jaime Ribeiro; NAKAYAMA, Luiza; http://lattes.cnpq.br/3771896759209007; ROCHA, Rossineide Martins da; http://lattes.cnpq.br/4371300451793081This thesis was developed in five villages of the indigenous community Xikrin-Mebêngôkre, which inhabit the Indigenous Land Trincheira Bacajá - ILTB, Pará, Brazil. The overall objective was to analyze by ethnoictiology, the various ecological, cognitive and behavioral aspects of fishermen, aiming to understand the basic interactions that this community has with fish stocks and other elements of the ecosystems in ILTB. With the proper permits, the research was conducted between the months of April 2011 to April 2013, in seven trips to five villages, totaling 153 days. The information was obtained through ethnoictiological and ethnoecological approaches and employing a set of methods related to participatory research. The study included 103 Indians aged 15-84 years and residents of villages: Mrotidjãm; Bakajá; Pytakô; Pat-Kro and Pykayakà. According to the knowledge of Xikrin, the aquatic resources perceived by them in the ngo (water) field and used most often are made up of toe (fish) and they allowed to generate an ethnotaxonomical list consisting of 144 fish species that were grouped into four categories (consumption, commercial, bait and handicrafts) according to the diversity of use in ILTB, with 135 species declared for consumption (94% of total); it is noteworthy that there is overlap among species usages, ie, some fish have multiple functions and are used in different ways, however, the primary function is the protein source, ensuring family livelihood. According to the seasonality, this diversity of fish occurred in at least 26 preferred microhabitats. The waki (screen) mode was used in all seasonal periods and opportunely was built in ILTB an ethnoecological seasonal calendar, which were summarized the close connections of the biotic and abiotic components existing in the region. In these ethnoictiological records of species of cultural importance Xikrin represent the first steps towards understanding the process of use of fish and it is considered that the continuity of this knowledge, sayings and doings Xikrin, acquired over many years and passed by mebengêt (old) are indispensable to the daily life of the entire population speaker and reader of language Mebêngôkre, not only for survival and empowerment of the communities, but also for the intrinsic value of belonging and being Xikrin.