19 resultados para Ave marinha Admiralty, Baia (Shetlanddo Sul, Ilhas)
em Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho"
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Fundao de Amparo Pesquisa do Estado de So Paulo (FAPESP)
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Marine turtles are reptiles that occur on the Brazilian coast and can travel very large distances between feeding and nesting grounds. Five species found in Brazil are threatened. The consumption of turtle meat and eggs is an ancient habit in many coastal communities around the world. The main causes that threaten these species are the increase in fishing and the drastic changes in the environment. The presence of turtles near the beaches and their accidental capture were reported by fishermen in the region of Canania, where this work was developed. This study was also made based in interviews of fishermen that living in the area and the follow up of their fishing activities. This methodology made possible to identify the turtles in the area, the behavior of the fishermen with these animals and the relation between non-commercial fishing and turtles. The fishing traps area has a direct relation with the capture of turtles. The higher incidence of turtle capture is usually next to islands, rocky coasts, low lands and bay entrances, which are areas where the most common species of the region (Chelonia mydas) normally look for food. The fishermen opinions about the critical situation of these species and their conservation has also been studied. Several programs in Environmental Education for the communities of the region have been recommended
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The area chosen for this study is the island of Trinidade, which is located 1167 km off the Brazilian coast, in parallel Victory at 20 30'S and 29 19'W, being the most easterly point of our continent. The isolation of oceanic island of Trinidade leaves no noticeable that she is part of a large submarine volcanic chain oriented east-west lineament known as Vitria- Trindade. Along with the island of Martin Vaz, who is Federal Territory is administered by the Navy of Brazil. Both correspond to Source alkaline volcanic islands. The area of the island of Trinidad has approximately 10 km2. Geologically consisting ankaratritic spills, spills tannbuschiticos, volcanic tuff spills analcite-ankaratrite, phonolite spills, spills nefelinite, pyroclastics, spills grazinite, tinguaitos, olivine-analcitito, calcarenite dunes and wind according to Almeida (1961). The island has its base on the ocean floor, at 5,800 m depth. It is the only place still recognizes preserved volcanic necks and plugs, as well as remnants of a volcano in Brazil. Magmatism occurred here a sodium alkali-silica subsaturated where his wrist was last 50,000 years according to Almeida (1961). It is a place with restricted access due to their distance from the coast, his contribution and hard to be an exclusive area of the Navy. On the island with peaks occur up to 620 meters high, and its rugged mountainous terrain and difficult access to very specific points, as the peak of Desire, peak Fazendinha, Monument and other points on the island. Because of its location far from the coast, its small infrastructure, difficulty of landing and restricted access by sea, the island of Trinidad offers no possibility of tourism, being a military outpost, and scientific basis of great importance, which conduct research in area of marine biology, oceanography, geology and others
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O apuim-de-costas-pretas [Touit melanonotus (Wied, 1820)] uma espcie florestal endmica da Mata Atlntica Brasileira e de relevante interesse conservacionista. Trata-se de uma ave com poucas informaes disponveis acerca de sua histria natural e distribuio geogrfica e novas observaes so importantes fontes de informao para auxiliar na conservao da espcie. Aqui reavaliamos o primeiro registro da espcie e apresentamos novas observaes no estado do Paran, sul do Brasil. As vocalizaes atribudas a T. melanonotus e que consubstanciaram sua ocorrncia no estado foram examinadas com auxlio de espectrogramas e identificadas como vozes de Pionopsitta pileata (Scopoli, 1769). No obstante, T. melanonotus ocorre com certa regularidade no Paran, como indicado por novos registros da espcie em sete localidades distribudas por todo o litoral do estado. Esta ave foi registrada principalmente em florestas de terras baixas e, uma vez que esta fisionomia sofre intensas presses antrpicas, sugerimos que esforos de conservao da espcie devem priorizar a preservao desses hbitats.
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Coordenao de Aperfeioamento de Pessoal de Nvel Superior (CAPES)
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Conselho Nacional de Desenvolvimento Cientfico e Tecnolgico (CNPq)
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Ps-graduao em Relaes Internacionais (UNESP - UNICAMP - PUC-SP) - FFC
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Conselho Nacional de Desenvolvimento Cientfico e Tecnolgico (CNPq)
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Ps-graduao em Geologia Regional - IGCE
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Coordenao de Aperfeioamento de Pessoal de Nvel Superior (CAPES)
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Fundao de Amparo Pesquisa do Estado de So Paulo (FAPESP)
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Callinectes ornatus tem sua distribuio geogrfica no Atlntico ocidental: da Carolina do Norte at a Florida, golfo do Mxico, Antilhas, Colmbia, Venezuela, Guiana e Brasil (Amap ao Rio Grande ao Sul), ocorrendo em fundos de areia, lama e guas menos salinas podendo alcanar 75 metros de profundidade (Melo, 1996). Essa espcie tem um papel importante na teia trfica marinha, pois possui o habito carnvoro oportunista alimentando se tambm de detritos, assim controlando a estrutura de vrias comunidades bentnicas (Haefner, 1990; Mantelatto & Christofoletti, 2001; Mantelatto et al., 2002). O presente estudo aborda as populaes de C. ornatus que vivem no infralitoral no-consolidado das regies das Ilhas do Mar Virado e das Couves, localizadas no litoral norte do Estado de So Paulo, e teve por objetivo a caracterizao dos perodos de recrutamento e reprodutivos da espcie baseado na presena de jovens/adultos e fmeas ovgeras respectivamente. Os dados utilizados nesse estudo foram coletados do Vero de 1998 Primavera de 1999 no infralitoral no consolidado das Ilhas do Mar Virado e das Couves totalizando dois anos. As amostragens foram realizadas mensalmente, com auxilio de um barco de pesca equipado com duas redes do tipo double-rig. O total coletado durante os dois anos foi de 1164 animais. Os menores indivduos machos e fmeas encontrados na Ilha do Mar Virado apresentam os seguintes tamanhos respectivamente 22,2 mm e 17,7 mm, j na Ilha das Couves foram de 20,2 mm e de 32,3 mm. Foi obtido um total de 12 classes de tamanho, com 5,0 mm de amplitude. As duas primeiras classes foram ocupadas apenas por indivduos jovens j as cinco ultimas principalmente por indivduos adultos e fmeas ovgeras. Para os indivduos machos adultos foi possvel observar o deslocamento de modas da Primavera de 1998 Primavera de 1999... (Resumo completo, clicar acesso eletrnico abaixo)
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Oil spills cause serious damage to the cost life and environments. Those impacts affect ecologic and socio-economic resources (like fishing and tourism). Within this background, response actions have two main objectives: the contaminant removal, with the less additional impacts, and enhance environment restoration in order to make this process complete in the shortest time possible. The present work proposes to contribute for the emergency environmental management in cases of oil spills by systematization of relevant information for oil spill environmental sensitivity maps. The next stage was to insert all these data on a geographic database, which allows data access by web. Beside that, this work aimed to recommend suitable clean-up techniques for the ecosystems located on the study area, composed by the municipalities: Praia Grande, Mongagu, Itanham and Perube, belonging to Baixada Santista and Iguape, Canania and Ilha Comprida, south cost of So Paulo state. This area is situated between two important Brazilian ports: Santos and Paranagu, and that make it under considerable accident risks. The results were all data inserted on the geodatabase and available to user recover the information by web consulting. With that, this work wishes to contribute to individual emergencial planning of the region.
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Fundao de Amparo Pesquisa do Estado de So Paulo (FAPESP)
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Coordenao de Aperfeioamento de Pessoal de Nvel Superior (CAPES)
