UPV Theses and Dissertations
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Item Economic analysis of rice farming under differential tenurial arrangements in Sibalom, AntiqueBasañes, Lorvi Ann A.; Rondrique, Clyde G. (Division of Social Sciences, College of Arts and Sciences, University of the Philippines Visayas, 1997-03)This study was undertaken in order to acquire informations about the effects of tenurial arrangments on the productivity and profitability of rice farms in Sibalom, Antique, from the operators view point. The study found out that the practices of rice farms did not essentially vary among farms of different tenure arrangements, though some slight differences had been discovered. Furthermore, it was also discovered that tenurial arrangement greatly affected the distribution of gains from farming. Though share-tenanted farms proved to be the most profitable from the operators point of view, the conpensation that the operators received were quite inadequate to compensate the cost in using owned inputs. Moreover, other tenurial arrangements, leasehold and owner-operated, revealed to be less profitable than the one mentioned earlier. In terms of its effect on productivity, tenurial arrangements were found to explain an insignificant variation in the farms output. The study concluded that tenurial arrangements did really have a significant effect on productivity and the production practices of rice farmers, though in the profitability side, it proved to be otherwise. Of the problems presented, the emergence of rats and the golden kuhol pestilence in the rice fields were pointed out as the primary reasons for the decline in the productivity of rice farms in Sibalom, Antique. Aside from the propagation of government support programs and the transformation and empowerment of rice farmer cooperatives, the study also recommended that a closer look on share-tenancy must be done by the goverment so as to eliminate its equity undesirability, instead of outlawing the said tenurial arrangement which proved, in this study, to be the most efficient tenurial arrangement in rice farming.Item Density of mangrove trees in selected municipalities in the Province of Antique, Panay Island, PhilippinesArelis, Ian Jerwin C. (Division of Biological Sciences, College of Arts and Sciences, University of the Philippines Visayas, 2006-03)Mangroves line one quarter of the world’s tropical coastlines, and approximately 117 countries and territories have mangrove resources within their borders. Although over recent years mangrove deforestation has occurred at a phenomenal rate worldwide, constant assessment in the Philippines has been made to monitor its current status. To characterize the density of mangrove trees better in Panay Island, surveys were undertaken within the coastal and riverine estuaries in the 11 municipalities of the province of Antique. Detailed records were taken by transect and ocular surveys along 40 barangays with 75 transects and 223 plots established. The mangroves of Antique were composed of 31 species of true mangroves belonging to 14 families and a total of 16 generas. Considerable values in terms of relative density and stems per hectare were found with Nypa fruticans as the highest, with a relative density of 70.372% trees per hectare and an average stem density of 4,457.249 stems/ha. Other significant species included Sonneratia alba (4.534%; 625 stems/ha), Avicennia marina (4.524%; 1,525 stems/ha), and Rhizophora apiculata (4.232%; 50 stems/ha). Close examination of the data suggested the variability of distribution patterns and density to be attributable to the differing responses of individual species to the environmental factors and other human activities. It was also concluded that habitat classification and topography could directly affect mangrove distribution and also capable of altering basic zonation patterns.