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This dataset was first added to MfE Data Service on 16 Apr 2019.
The data identifies five classes of land in New Zealand at risk of erosion:
Landslide erosion is the shallow (approximately 1m) and sudden failure of soil slopes during storm rainfall. Earthflow erosion is the slow downward movement (approximately 1m/year) of wet soil slopes towards waterways. Gully erosion is massive soil erosion that begins at gully heads and expands up hillsides over decadal time scales.
Erosion can have negative consequences on land productivity, water quality (via increased sedimentation and turbidity), the natural form of the land, and infrastructure.
New Zealand experiences high rates of soil erosion. In the North Island, this is mostly due to the historical clearance of forest for agriculture (see also Estimated long-term soil erosion). In contrast, erosion in the South Island is mostly due to natural processes, primarily high rainfall and steep mountain slopes.
It is important to identify areas of land at risk of severe erosion to inform land-use decisions and help prioritise regional soil conservation work.
More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf.
Creative Commons Attribution 4.0 International
You may use this work for commercial purposes.
You must attribute the creator in your own works.
Attachments | ||||
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1. | Highly erodible land 2012 data quality | 536 KB |
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Information | |
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Category | Environmental Reporting > Land > Soils |
Tags | Environment Aotearoa 2019, EA2019 |
Metadata | Dublin Core |
Technical Details | |
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Table ID | 99877 |
Data type | Table |
Row count | 240 |
Columns | geography_name, measure, geography_type, class_name, grouping, value_all |
Services | Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed |
History | |
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Added | 16 Apr 2019 |
Revisions | 4 - Browse all revisions |
Current revision | Imported on April 16, 2019 from CSV . |