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Discrepancy and corruption of the Fiji Soil Map. Published on 30/04/2007. Structure. I ntroduction to Fiji soils 2. Corruption on soil map: 2.1 . loss of 4000 polygons 2.2 . shift in the lookup tables 2.3. Discrepancys in the Map Unit Code 2.4. LUC transfer problems.

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slide1

Discrepancy and corruption

of the Fiji Soil Map

Published on 30/04/2007

structure
Structure
  • Introduction to Fiji soils

2. Corruption on soil map:2.1. loss of 4000 polygons2.2. shift in the lookup tables 2.3.Discrepancys in the Map Unit Code

2.4. LUC transfer problems

1 introduction to fiji soils
1. Introduction to Fiji soils

Fiji Soil Map is based on:

Soil Taxonomic Unit Description Handbook (STUD’s 1998) LESLIE, D.M. (David Murdoch), 1940- Fiji : soil taxonomic unit description handbook / D.M. Leslie, V.B. Seru. - Lincoln, Canterbury: Manaaki Whenua Press. 1998.Volume 1 & 2: ~ 950 pages

1 introduction to fiji soils1
1. Introduction to Fiji soils
  • Classifies 227 soils of Fiji
  • Each Soil has an Individual Soil Map Unit Code

main characteristics:

Range of Slopes, Moisture Regime, Temperature Regime (Altitude > 600m), Texture, Mineralogy Class, Landform, parent Rock, Drainage, Erosion Risk……. etc.

1 introduction to fiji soils2
1. Introduction to Fiji soils

Content:

  • Classification of the Soil Series of Fiji

in different Systems

  • Flow-Diagram keys for the

identification of Fiji Soil Series

  • Fiji Soil mapping units, land use capability

classes and the main soil limitations

  • Land and Soil attributes significant

for crop growth

  • Application of the fertility capability

soil classification

  • Matching of soil attributes with

crop requirements; soil suitability

assessments

basically 14000 polygons each polygon has a individual map unit code newseries
Basically ~14000 polygonseach polygon has a individual map unit code  “newseries”

2. Corruption on soil map

slide8

2.2. shift in the lookup tables

Datasource: Landuse capability (shapefile) 27/11/2007

slide9

2.3. Discrepancys in the Map Unit Code

R Soils that should be absent on Viti Levu

luc transfer problems
LUC transfer problems

Example: Keiyasi soils (113)  113C+D are not present

1998:

2012:

GIS-table (2008):