978 resultados para 1960-1962
Resumo:
This is the first River Dart Scale Reading Investigation Report on the 1962 season by the Devon River Board. The object of this investigation is to examine, by means of scale-reading, the general biology of the salmon population of the River Dart. It reviews briefly the theory and mechanics of the scale-reading technique, the life history of the salmon, and the methods used for the collection of scales and the examination of the materials. It shows the results of the survey and the number of scales studied from each of the various sea-age classes, time of running with distribution of the sea-age groups throughout the season, fish sizes and smolt ages at migration. All are summarized in various tables and figures are also included, plotting weight distributions for each age classes and frequency distributions.
Resumo:
This is the Fisheries Survey River Avon, 1962 by the Devon River Board. The object of the survey is to investigate the present distribution and relative abundance of salmonid fish in the river. It describes the methods of the investigation, the sampling and identification. It goes through the salmon, sea-trout and brown trout parrs, adult and coarse fish frequencies and distributions, all summarized in individual tables for each fish class. It also includes a variety of comments about the obtained results.
Resumo:
Ao considerar a disciplina História da Educação na circunstância e na experiência do ensino emergiu a pergunta Que História é essa?, um disparador que provocou a proposta da pesquisa apresentada no doutorado em educação. Procurou-se analisar o arranjo disciplinar, considerando as circunstâncias na composição do currículo de formação dos professores. Foi elaborado um conjunto de interrogações-guia, a saber: Como a História da Educação foi constituída em saber escolar? Quais referências implicaram sua composição? Como a disciplina foi desenvolvida? Que tipos de práticas foram favorecidas no seu desenvolvimento? Que sujeitos foram responsáveis por sua oferta? O problema da constituição histórica da disciplina História da Educação configurou a arquitetura do trabalho de tese, que assumiu a experiência particular de organização da disciplina História da Educação na Universidade Estadual de Londrina, entre 1962 e 1998, assumida aqui, como referência para uma análise local e geral desse dispositivo no campo da Historiografia da Educação. A trama tecida nessa pesquisa se entrelaça na rede de reflexões e debates sobre o tema em âmbito local e nacional. Como chave para análise do problema, operou-se com uma tripla dimensão, a saber; a dimensão institucional, a dimensão dos sujeitos e a dimensão dos saberes. Essa chave se configurou como recurso metodológico, entendendo que tais dimensões não encontram-se separadas e sim implicadas, configurando trama histórica a ser considerada e interrogada, integrantes de uma rede, interdependentes. A investigação particularizada de cada dimensão visou facilitar o tratamento das séries documentais e a análise dos discursos e fontes selecionados. Ao mesmo tempo possibilitou o tratamento das articulações, das regularidades e das variações no período estabelecido. Postas em relação, tornaram possível delinear a constituição da formação docente como desafio institucional, as soluções locais e principalmente o modo como se deu o processo de disciplinarização da História da Educação no âmbito do projeto em análise, considerando a própria genealogia do saber e as soluções marcadas pelas configurações institucionais e agenciamento dos professores que ministraram a disciplina em situações bem determinadas. O conjunto documental organizado em séries homogêneas, a partir do qual pôde-se definir relações, foi constituído da experiência histórica representada, ou seja, registrada. O trabalho se deu considerando então a História Serial, sendo organizado e recortado temporalmente pela e na circunstância dos documentos localizados e selecionados. As séries foram constituídas por programas e diários de classe da UEL, UEPG e UEM, depoimentos de professores, registros e documentos institucionais, material didático, catálogos de curso, propostas curriculares, trabalhos acadêmicos. No movimento de aproximação aos questionamentos apresentados, uma trama narrativa foi tecida no conjunto de quatro capítulos. Este estudo incidiu sobre uma problemática ainda marginal no campo da história da educação, o ensino de História da Educação. A análise das séries documentais apontou para a rede de relações tecidas na configuração da disciplina HE: com experiências internacionais (Europa e Estados Unidos), com a elaboração de bibliografia na área, com os círculos acadêmicos e de formação dos professores colocando à vista a relação entre a tradição e o exercício de criação das formas, recortes e conteúdos da(s) História(s) da Educação ensinada(s). Deste modo, ao examinar o aparato institucional, a ordem dos saberes que instaura a história da educação e o modo como determinados professores conduziram a disciplina, investiu-se no estudo do ordinário da história da educação visibilizando elementos para os quais ainda não se confere a legitimidade e importância que a disciplina e seu ensino podem vir a ter.
Resumo:
EXTRACT (SEE PDF FOR FULL ABSTRACT): Tree-ring chronologies, developed from cores from Pinyon pines growing on climatically sensitive sites in the north-central Great Basin, have been used to reconstruct precipitation and drought histories of the area from A.D. 1600 to 1982. Analysis of these hydrologic time series helps to place current climatic conditions into the perspective of the past 383 years (since 1600). ... The years 1934 and 1959 were the first and fourth driest while 1934 had the lowest July Palmer Drought Severity Index (PDSI) of the reconstructed records. Nevertheless, the decade of the 1930's is only the seventh driest since 1600; the decade 1953-1962 ranks as the second driest. The driest non-overlapping decade since 1600 was 1856-1865. Interestingly, the second wettest decade was 1932-1941. An examination of 30-year mean precipitation data shows that the driest 30-year period was 1871-1900; 1931-1960 ranks as the fourth driest. The current 30-year period (1951-1980) ranks twelfth.
Resumo:
Spiny lobsters of the family Palinuridae are known to exist in parts of Asia such as India, Japan, Indonesia and Malaya. In Ceylon spiny lobsters are caught chiefly by a primitive type of gear designed to catch these species and incidentally by nets set to catch fish. The limitations of these types of gear and the results of experimental fishing in Ceylon with different designs of lobster traps have been discussed earlier. As a result of these experiments a very effective trap for capturing spiny lobsters was developed and it was shown that spiny lobsters were present in large quantities (De Bruin 1960). This created great interest among skin-divers who found lobster fishing very remunerative.
Resumo:
There is apparently great scope for improvement of the design and operational aspects of the gear particularly for the effective exploitation of seasonal fisheries like that of seer, tuna, barracuda etc. In order to evolve improved, yet cheap trolling gear regular investigations were undertaken by the Craft & Gear Wing of the Central Institute of Fisheries Technology, off Cochin for five fishing seasons and the results of these studies are incorporated in this paper.
Resumo:
The object of this series of papers has been given in Part 1 (see Additional informations for details) which deals with the first known commercial fishery on the Wadge Bank from 1928 to 1935. There is no recorded trawling on the Bank between 1936 and 1944. This paper deals with the changes in the total catch (i.e. all species combined) per hour of trawling in relation to the changes in fishing intensity from 1945, when the present trawling activities started, to 1960. The effect of trawling on individual categories or varieties will be presented later.
Resumo:
The general history of the trawl fishery of the Wadge Bank off Cape Comorin, South India (Fig. 1), the nature and composition of its demersal fish population, and the present state of its fishery has been given by various authors (Malpas 1926, Pearson and Malpas 1926, Sivalingam and Medcof 1957, Medcof 1963, Mendis 1965a, 1965b, Sivalingam 1966a, 1966b, 1969a and 1969b). It has been shown earlier (Sivalingam and Medcof 1957, Sivalingam 1969a) that the Wadge Bank stock is made up of two groups. The resident stock which is present on the fishing grounds throughout the year and the migrant stock that appears on the fishing grounds only during the southwest monsoon months. The object of this paper is to discuss the effect of fishing on the resident stock between 1945 and 1962 and based on the information available; assess the maximum sustained yield of the resident stock. The "Bigfish" of the resident stock is the mainstay of the Wadge Bank trawl fishery (Sivalingam 1969a) and it will be shown that this stock has been overexploited from 1953 to 1957. The first sign of recovery was evident in 1960 and continued till 1962. The data since 1962 are not available to the author for analysis. It has been reported by Mendis (1965b) that considerable expansion of the trawler fleet was anticipated in 1966, and if so, the history of the fishery from 1953 to 1957 may be repeated. The assessment presented in this paper should form a rational basis for management programs.
Resumo:
Investigations into the resources of spiny lobsters in Ceylon waters were first begun in 1958 and consisted initially of skin-diving surveys of sand-stone and rocky areas at night. The surveys revealed the presence of lobsters in appreciable quantities in these reefs. Experiments were then carried out to decide on the most effective method of capturing them. Lobster traps of different design were placed in the reefs and rocky areas and the most efficient design was selected for use. This design was used thereafter to assess the spiny lobster resources. However, traps proved ineffective on the east coast as the particular species present there did not enter traps. Where traps failed the resources were assessed using skin-divers. These operations revealed the presence of lobsters in large concentrations in particular areas around Ceylon, especially on the south-west, south and west coasts. (De Bruin, 1960 and 1962). This discontinuity in distribution is discussed in greater detail in a previous publication (De Bruin, 1969. The ecology of spiny lobsters, Panulirus spp., of Ceylon waters. Bulletin of the Fisheries Research Station, Ceylon, 20(2), pp. 171-189).
Resumo:
The last major pearl fishery in the Gulf of Mannar was held in February-March, 1958, when about 4.5 million oysters were collected from the south-west Cheval Paar by dredging. (Sivalingam 1961). Subsequently, two smaller fisheries, one in 1960 and another in 1961 took place. In these two fisheries one million oysters and four hundred thousand oysters respectively were collected from the Cheval paar by dredging. (De Fonselm 1953). Inspections of the Banks were carried out in 1962, 1963, 1964 and 1965. (Balasuriya 1964 and Silva 1965 and 66). Since then inspections were not possible due to one of two reasons or both the non-availability of operational dredges and a suitable vessel for this type of work.The "Pesalai" a 235-ton stern trawler was made available by the Ceylon Fisheries Corporation management for the 1970 inspection. Two new 6-foot dredges turned out by the Government Factory were also available for this work. However, the survey was limited to 3 days-the period for which the vessel had been released. It was further limited to those areas of the banks over 6 fathoms in depth because of the risk in operating a large vessel in shallower depths.