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Spatial Variations in Tukituki River

This study explores the spatial variations in vegetation across the Tukituki River, highlighting altitudinal zonation from bare rock above 2000m to diverse mixed forests below 1000m. It examines the impact of pre- and post-colonization on native grasslands and high-producing farms in the Central Plains, alongside their ecological roles. The study also details the erosion processes observed in the Ruahine Mountains, including V-shaped valleys and horizontal erosion in the plains, and investigates rainfall patterns affecting soil types across various landscapes.

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Spatial Variations in Tukituki River

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  1. Spatial Variations in Tukituki River

  2. Vegetation • Ruahines • AltitudnalZonation • Above 2000m Bare rock • 2000m Moss lichens and alpine plants • +1500m Tussock • -1500m Shrubs and small trees • +1000m Specialist Trees • -1000m Mixed Forest • Review your notes and put in two specific trees/plant names for each category

  3. Vegetation Cont. • Central Plains • Pre-Colonization • Native grasslands • Post-Colonization • High producing grassland • Farms • Trees to act as stopbank • Foothills • Pasteur land

  4. Landforms/Types of Erosion • Ruahines • V-shaped Vallies • Deep fast runing river • Scree-vertical erosion • Central Plains • Meandering river • Horizontal Erosion • River slows

  5. Landform/Types of Erosion • Eastern Foothills • Rolling hills • River contained by anticlynes • Deeper and quicker than plains but not by much • Erosion is land slips due to heavy soils

  6. Climate • Ruahines • Orographic Rainfall • Plains • Frontal Rainfall • Foothills • Frontal Rainfall • Find the exact amount of rainfall each region averages from your notes (Chloropleth map)

  7. Soils • Ruahines • Thin and Rocky due to steep slopes and erosion • Plains • Deep alluvial soil from sediment being washed down over the years • Foothills • Thick non-draing soil making it susceptible to land slides • Use your notes to put the exact type of soil for each region

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