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Riwayati Riwayati
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MANFAAT DAN FUNGSI HUTAN MANGROVE BAGI KEHIDUPAN Riwayati Riwayati
JURNAL KELUARGA SEHAT SEJAHTERA Vol 12, No 2 (2014): JURNAL KELUARGA SEHAT SEJAHTERA
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jkss.v12i24.3574

Abstract

ABSTRACTMangrove trees are plants or plant communities that live in the sea and the land that is affected by tides.  Mangrove habitat is often found at the commeeting spot of the mouth of the river and sea water which then becomes protector of land from ocean waves. From river flow to the mangrove and at high tide, mangrove trees surrounded by salt water or brackish water.  Mangrove forests thrive in the delta region and a broad and large streams with a wide estuary. On the beach there are no rivers , narrow mangrove areas.  Mangrove forests have great tolerance to salinity and can grow in high salinity land where normal plants can not grow . Mangrove forests are the main ecosystems supporting coastal communities . Besides having the ecological function as a provider of food for marine life, coastal erosion anchoring, anchoring the tidal waves and tsunamis, absorbent waste, preventing sea water intrusion, mangrove forests can also serve to provide the food needs of the surrounding population. Kata Kunci : Manfaat Hutan Mangrove, Kehidupan.
KUALITAS AIR SUMUR DITINJAU DARI KEBERADAAN Escherichia coli (STUDI KASUS DESA STUNGKIT KECAMATAN BINGAI) Riwayati Riwayati
JURNAL KELUARGA SEHAT SEJAHTERA Vol 12, No 1 (2014): JURNAL KELUARGA SEHAT SEJAHTERA
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jkss.v12i23.3571

Abstract

ABSTRACTThe research is intended to know the existence of Escherichia coli in well-water in Desa Sungkit ,kecamatan Bingai.  The research is carried out in November 2013 up to January 2014. The sample is done purposively with the variation of the  distance of the stable of the cows with the well, namely I (at home), II (1-5 metres), III (6-10 metres).  Of each distance, it is taken 10 homes with three times repetition. The existence of Escherichia coli is analyzed with Most Probable Number (MPN) method.  The result of the research show that well-water on the third distance with the stable of the cows show the existence of average of Escherichia coli between  37 colony up to 1093 colony per 100 mL.  Kata Kunci : Air sumur, Escherichia coli.
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