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KAIRUKU AREA By J A Mabbutt
LAND SYSTEMS OF THE PORT MORESBYKAIRUKU
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50 yd wide Acid red agglomerate alluvium Angabunga River Area Land Form back plains backing ranges beach ridges brown clay soils cherty coastal hill zone cracking clay soils crests Dark cracking clay drainage drained alluvial soils flood-plains flooding fluvial plains fluvial plains zone foot slopes foothill zone Form Soil Vegetation ft deep ft high ft wide gabbro Galley Reach grassland horizon Imperfectly drained inland Land Form Soil land system layer levees limestone lithosols locally lower lowlands luvial soils mainly mangrove margins meandering Mid-height evergreen forest MILE Unit Area miles wide Miocene Moderately well-drain mudstone neutral olive occur Ophiuros Pandanus peats Pliocene Port Moresby rainfall red to brown robustum sand sandy savannah season sectors semi-deciduous thicket slightly deciduous forest Sogeri Plateau sq miles stratified soils surface Tall evergreen forest Themeda tidal flats trees tuff undulating terrain Unit Area Land upland zone valley heads Vanapa yd long Zingiberaceae