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UPV Theses and Dissertations

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    Diversity and population structure of sea cucumber species in Taklong Island Marine Reserve, Guimaras
    Bearnod, Christine F. (Division of Biological Sciences, College of Arts and Sciences, University of the Philippines Visayas, 2014-04)
    The increasing demand of sea cucumbers in the market leads to the global exploitation of this animal. Marine reserve protects the marine biodiversity and teaches the people in the communities to manage their marine resources wisely. This study examined the diversity, species characteristics and population structure of sea cucumbers in five sites around Taklong Island Marine Reserve namely, Binabaywan, Kalirohan, south side of 2nd sandbar, north side of 2nd sandbar and Tarakpan. The species composition and abundance were determined through transect walks and plot along transects. Sea cucumber density was estimated by randomly positioned 1 square meter plots in each site. There were 11 sea cucumber species found. There were 9 species under Order Aspidochirota all in 1 Family Holothuriidae and 2 species in Order Apodida in 1 Family Synaptidae. A total of 64 individuals were sampled in 5 sites. The most widespread and the dominant species was the non-commercially valuable Synapta maculata (n = 32) followed by the low-value Holothuria pulla (n = 9) and Holothuria atra (n = 8). Kalirohan had the most number of species (Σs = 6) and individuals of sea cucumbers. The low number of holothurian species encountered in the Marine Reserve might be due to the limited sites surveyed, cryptic behaviour of the species and the possibility of poaching in the area.
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    Marketing of milkfish in Iloilo City
    De la Gente, Alice Joan S. (Division of Social Sciences, College of Arts and Sciences, University of the Philippines Visayas, 1991)
    This study describes the marketing practices, costs, net farm price received by the producers, gross margin received by the middlemen and the problems encountered in milkfish marketing in IIoi1o City. Primary data was gathered from 24 producers who were interviewed about their 1ast harvest and 56 midd1emen who were interviewed about their last week's transaction. Of the total volume sold by the producers (30360kg , 86.83% went to the commission men. The highest price, P55/kg, was received by the producers from the institutional buyer, while the lowest price, p38.48/kg, was received from the commission men. The marketing costs received were P5.40/kg and P5.61/kg by the producers who sold locally and in Manila, respectively. The commission men's fee accounted for the largest share of marketing costs of both the producers who sold locally (P2.36/kg) and in Manila (P2.50/kg). The net farm prices received were P35.30/kg and P33.72/kg by producers who sold milkfish locally and in Manila, respectively. The producers whose milkfish were sold in Manila received a lower average price with higher marketing costs. By market function, seven types of middlemen were identified: commission man, buyer-seller, wholesaler, wholesaler-shipper, buyer-seller-retailer, wholesaler-retailer, and retailer. The middlemen sold a total volume of 57070.5kg inside (64.037%) and outside (35.977%) the survey area. The commission men sold the highest volume (34.71%) of milkfish. The wholesaler-retailers received the highest average selling price of P47.75/kg. The wholesaler-shippers had the highest gross margin ( P8.22/k kg) while the wholesaler—retailers who sold outside the survey area had the highest net return ( P3.97/ kg ) The low price of milkfish was the main problem of both producers and middlemen. The milkfish marketing involved many channels, primarily brought about by the presence of too many types of middlemen who practiced intertrading among each other. Thus, there was a duplication of the performance of marketing practices among types of middlemen, which increased the marketing costs and correspondingly raised the prices of milkfish.