Open AccessKOMPOSISI KIMIA SUBSTRAT ASOSIASI SONNERATIA ALBA - AVICENNIA MARINA DI MUARA SUNGAI LEKOK KABUPATEN PASURUAN
Author(s) -
Hani Sudarmanto,
Mas Loegito,
C P Trisnadi Widyoleksono,
Handoko Darmokoesoemo,
Sediono
Publication year - 1997
Publication title -
berkala penelitian hayati (journal of biological researchers)/berkala penelitian hayati
Language(s) - English
Resource type - Journals
eISSN - 2337-389X
pISSN - 0852-6834
DOI - 10.23869/bphjbr.3.2.19973
Subject(s) - mangrove , avicennia marina , forestry , phosphorus , organic matter , chemistry , environmental chemistry , environmental science , ecology , geography , biology , organic chemistry
The mangrove forest occurred in the north coast of Pasuruan Regency have not been reported about the vegetational and substrate compositions. The research's purpose were to analysis the vegetational composition and the chemical properties of the substrate. The result showed that this mangrove forest were dominated by association of Sonneratia alba - Avicennia marina. The result showed that soils had the natural reaction (pH 7.01-7.65), low in organic matter (2.18-4.27 percent) and total nitrogen (0.48-0.51 percent), but high in total phosphorus (15.19-29.22 ppm) and in exchangeable cation (Ca2 plus: 389.855-504.065 mg/100 gr, Mg2 plus: 409.522-441.400 mg/100 gr, K plus: 228.900-390-435 mg/100 gr).