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Abstrak :
Telah dilakukan penelitian untuk mengetahui struktur komunitas epifiton pada tumbuhan Ipomoea aquatica F. di lima situ Universitas Indonesia, Depok, Jawa Barat. Ditemukan 34 marga dengan kepadatan 983 ind/cm2. Situ Agathis memiliki epifiton dengan kepadatan 320 ind/cm2, Situ Mahoni sebesar 296 ind/cm2, Situ Puspa sebesar 136 ind/cm2, Situ Ulin sebesar 48 ind/cm2, Situ Salam sebesar 183 ind/cm2. Situ Agathis di dominasi oleh Crucigeniella (12%), Situ Mahoni di dominasi oleh Navicula (26%), Situ Puspa di dominasi oleh Navicula (50%), Situ Salam di dominasi oleh Diatom1 (74%), Situ Ulin di dominasi oleh Euglena (33,5%). Perairan di sekitar epifton di Ipomoea aquatica F. memiliki intensitas cahaya berkisar antara 0,26 m--0,40 m; suhu 26--29,5°C; pH 5--6,5; DO 5,9--8,64 ppm; BOD 1,5--2,7 ppm. Indeks keanekaan epifiton berkisar antara 0,15--0,365. Indeks kemerataan penyebaran epifiton berkisar antara 0,09--0,19. Indeks kesamaan menurut Hierarchical cluster dengan menggunakan program PAST v3 memiliki tingkat kesamaan epifiton di lima situ UI berkisar antara 24,34--47,44 yang berarti kesamaan di setiap situ tidak berbeda jauh. ......This research is aimed to know the epiphyton structure on Ipomoea aquatica F. in five situ at University of Indonesia, Depok, West Java. 34 genus have been found in those situ with density of 983 Ind/cm2. Situ Agathis, Situ Mahoni, Situ Puspa, Situ Ulin, and Situ Salam had epiphyton density 320 ind/cm2, 296 ind/cm2, 136 ind/cm2, 48 ind/cm2, 183 ind/cm2 respectively. Domination of Crucigeniella at Situ Agathis was 12%. Domination of Navicula at Situ Mahoni was 26%. Domination of Navicula at Situ Puspa was 50%. Domination of Diatom 1 at Situ Salam was 74%. Domination of Euglena at Situ Ulin was 33,5%. Brightness of light at around epiphyton in Ipomoea aquatica F.depht ranges 0,26 m--0,40 m. Temperature range from 26--29,5°C; pH: 5--6,5; DO: 5,9--8,64 ppm; BOD: 1,5--2,7 ppm. Epiphyton diversity index ranged 0,15--0,36. Epiphyton Evennes index ranged from 0,09--0,19. Similarity index in hierarchical cluster with program PAST v3 have level similarity on five situ range is 24,34--47,44 it meant similarity on five situ not significant diffirence.

Abstrak :
ABSTRAK
Waste is one of factors causing air pollution in Palembang City. Volume of waste that should be processed increases every day, while condition of waste management service is still 70% of the total volume. The waste processing is managed by using open dumping system, which affects on the increase of air pollution. One of gases that exist as effect of the process of organic compound decomposition of anaerobic bacteria from garbage is sulfide hydrogen (H2S) pollutant which can promote health disorders, especially respiratory system. This study aimed to analyze correlation between characteristics (age, sex, nutritional status, smoking, and living distance) and the risk quotient of sulfide hydrogen concentration in air ambient to the lung capacity of people around landfill area. This study used cross-sectional design with the sample of 78 people around landfill area. Data analysis used double logistic regression. Results showed that nutritional status (p value = 0.022, OR = 12.085) and RQ (p value = 0.016; OR = 7.547) significantly related to lung vital capacity of people around landfill area. People around landfill area having worse nutrition and lower RQ than the median were potential to have lung vital capacity disorder. The dominant variable significantly influencing to lung vital capacity of people living around Sukawinatan Landfill is nutritional status.