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FSL predates and is being replaced by S-map, which is considered better quality and more reliable data. However, there is not yet national coverage for S-map so some people may still need to refer to the FSL.
The soil fundamental data layers (FDLs) contain spatial information for 16 key attributes. These soil attributes were selected through a consultation process with stakeholders, and fall broadly into three groups: soil fertility/toxicity, soil physical properties (particularly those related to soil moisture), and topography/climate. |
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FSL predates and is being replaced by S-map, which is considered better quality and more reliable data. However, there is not yet national coverage for S-map so some people may still need to refer to the FSL.
The soil fundamental data layers (FDLs) contain spatial information for 16 key attributes. These soil attributes were selected through a consultation process with stakeholders, and fall broadly into three groups: soil fertility/toxicity, soil physical properties (particularly those related to soil moisture), and topography/climate. |
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Manaaki Whenua - Landcare Research |
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9765 |
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[] |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The New Zealand Fundamental Soil Layer originates from a relational join of features from two databases: the New Zealand Land Resource Inventory (NZLRI), and the National Soils Database (NSD). The NZLRI is a national polygon database of physical land resource information, including a soil unit. Soil is one in an inventory of five physical factors (including rock, slope, erosion, and vegetation) delineated by physiographic polygons at approximately 1:50,000 scale. The NSD is a point database of soil physical, chemical, and mineralological characteristics for over 1500 soil profiles nationally. A relational join between the NZLRI dominant soil and derivative tables from the NSD was the means by which 14 important soil attributes were attached to the NZLRI polygons. Some if these attributes originate from exact matches with NSD records, while others derive from matches to similar soils or professional estimates. This layer contains best available, as at 2000, profile available water (PAW) data which estimates total available water for the soil profile to a depth of 0.9 m, or to the potential rooting depth (whichever is the lesser). Values are weighted averages over the specified profile section (0-0.9 m) and are expressed in units of mm of water.</SPAN></P><P><SPAN>For more information please refer to </SPAN><A href="https://lris.scinfo.org.nz:443/layer/48100-fsl-profile-available-water/" STYLE="text-decoration:underline;"><SPAN>https://lris.scinfo.org.nz/layer/48100-fsl-profile-available-water/</SPAN></A></P><P><SPAN>Updated August 2023. Clipped to Otago Region 2023.</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Polygons derive from the multi-factor, homogenous unit area mapping of the NZLRI. This method often delineates features at a lower resolution than a single factor map of equivalent scale.</SPAN></P></DIV></DIV></DIV>, While NZLRI mapping scale remained constant (at 1:63,360 and later 1:50,000), polygon resolution increased in detail as the survey progressed, and was variably constrained by the quality of source information available to the mapper, Accuracy of soil attribute values is dependant on the variability of the soil unit over its entire geographic extent and the origin of the estimate (recorded in the _EST fields) |
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FSL Profile Available Water |
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["Downloadable Data","Soil","Land Resource","Soil Conservation","Land Management","Land Planning"] |
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en-NZ |
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625000 |
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