Quantities and composition of shore debris along Clifton Beach, Karachi, Pakistan
作者： Ramzan Ali , Zafar Iqbal Shams , None
DOI: 10.1007/S11852-015-0404-X
关键词: Environmental science 、 Transect 、 Debris 、 Nature Conservation 、 Aluminum foil 、 Geotechnical engineering 、 Shore 、 Hydrology
摘要: Debris abundance and composition were investigated for the first time along most popular beach (Clifton Beach) of Karachi, Pakistan, which is one populous cities world. The surveys conducted in June, July August 2013 to estimate number weight 10 predetermined types debris front Karachi. 3-month average quantities collected from designated transects Clifton Beach 2216 ± 371 counts 13.71 ± 2.15 kg weight. estimated at 8865 ± 1483 items km−1, with a corresponding 54.83 ± 8.58 kg km−1. In terms number, plastic was abundant (50.5 % total counts), followed by food (7.5 %) paper (6.6 %) while, weight, processed wood on (25.5 % total), (19.9 %) metal (9.8 %). Plastic significantly higher (p < 0.001) than any other type during all 3 months. also classified basis their sizes. Metal, glass, paper, rubber largely smaller size while styro-foam, masonry, cloth mostly larger size. main sources restaurants, cafes hawkers, served food, beverages mild stimulants plastic, polystyrene aluminum foil visitors. Furthermore, major part floating Lyari Malir rivers ultimately deposited shoreline
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