GEO 121 1st Edition Lecture 31 Outline of Last Lecture II. Vegetationa. Foresti. Evergreenii. Deciduousb. Savannahc. Grasslandd.Deserte. Tundraf.HighlandsOutline of Current Lecture III. Soila. Aridisolb. Gelisolc. Alfisold. Mollisole. Oxisolf. Spodosol Current LectureSoil1. Aridisolsa. Desert regionsb. Less than half of the potential evaporationc. Salinization present2. Gelisolsa. Frequent freezing and thawing b. Above permafrost (permanently frozen subsoil)c. Tundra (ET)2. Alfisolsa. Can occur in mesothermal ( C ), microthermal (D)b. Abundant basesc. Clay horizon2. Mollisolsa. Grasslandsb. Best soils for agriculture2. Oxisolsa. Tropical climatesb. Leached of soluble basesThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.c. Thick development of iron and aluminum oxides2. Spodosolsa. Low in basesb. Microthermal climate types
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