Stock Exclusion Low Slope Land LSL_2021proposed_NZ

The StockEx LSL 2021 proposed layer identifies proposed areas of "low slope land" where the Resource Management (Stock Exclusion) Regulations 2020 would apply if the low slope land map was updated as proposed in the "Stock exclusion regulations: Proposed changes to the low slope map" (MfE, 2021) discussion document. The layer shows the area of land defined as low slope land. These areas have a local mean slope is less than or equal to 5 degrees and are below 500m in altitude. Areas of lakes and ponds, estuarine open water, built-up areas, transport infrastructure, depleted grass, tall tussock grassland and urban parkland, as defined in Land Cover Database 5, are also excluded.
 
Citation proposal
Ministry for the Environment (2021) . Stock Exclusion Low Slope Land LSL_2021proposed_NZ. https://dc.niwa.co.nz:/niwa_dc/srv/api/records/D1A79083-9250-4389-AEA1-B0092007F3AE
 

Simple

Alternate title
Stock Exclusion Low Slope Land 2021 proposed update to 2020 regulation layer for New Zealand mainland.
Date ( Creation )
2021
Date ( Publication )
2021-08-05
Presentation form
Digital map
Purpose
This layer is published to assist with evaluation of the proposed changes to the Low Slope Land layer referred to in the Resource Management (Stock Exclusion) Regulations 2020.
Status
Completed

  Custodian

Maintenance and update frequency
Not planned
Name
*.xml
Version
Unknown
ANZLIC Jurisdictions ( Theme )
  • New Zealand
ANZLIC Search Words ( Theme )
  • AGRICULTURE-Livestock
  • LAND-Use
Use limitation
Creative Commons Attribution 4.0 International by Ministry for the Environment
Access constraints
License
Use limitation
Creative Commons Attribution 4.0 International by Ministry for the Environment
Use constraints
License
Classification
Unclassified
Spatial representation type
Vector
Metadata language
English
Character set
UTF8
Topic category
  • Farming
  • Environment
  • Boundaries
  • Location
  • Planning cadastre
  • Society
  • Structure
Environment description
Microsoft Windows 10 Version 10.0 (Build 19044) ; Esri ArcGIS 12.8.3.29751
N
S
E
W


Geographic identifier
nzl

 

Date ( Publication )
2009-03-31
Edition
Version 1.0
Edition date
2009-03-31
Identifier
http://asdd.ga.gov.au/asdd/profileinfo/anzlic-country.xml#Country

  Custodian

N
S
E
W


Reference system identifier
EPSG / 2193 / 6.15(9.0.0)
Topology level
Geometry only
Geometric object type
Composite
Geometric object count
14591
Distribution format
  • Enterprise Geodatabase Feature Class ()

  Distributor

Hierarchy level
Dataset
Other
dataset
Statement

The general steps in the geo-processing methodology to create this dataset were as follows:

1. Starting with LCDB5, an exclusion layer of the built-up areas, open parkland, transport infrastructure, lakes and ponds, estuarine open water, depleted grassland and tall tussock grassland was created (LCDB5 exclusion layer).

2. An altitude exclusion layer was created by thresholding the Manaaki Whenua - Landcare Research 15m DEM to 500m (Altitude exclusion layer)

3. A slope layer was created from the MWLR DEM.

4. A focal filter was applied to the slope layer with a radius of 120m. This was thresholded to 5 degrees (Low Slope layer)

5. The LCDB5 exclusion layer and the Altitude exclusion layer were then erased from the Low Slope layer.

6. Finally small areas (less than 2 ha in size) and areas that don't intersect a REC river reach are removed to simplify the layer.

gmd:MD_Metadata

File identifier
D1A79083-9250-4389-AEA1-B0092007F3AE   XML
Metadata language
English
Character set
UTF8
Hierarchy level
Dataset
Hierarchy level name
dataset
Date stamp
2022-11-21T13:30:51
Metadata standard name
ISO 19139 Geographic Information - Metadata - Implementation Specification
Metadata standard version
2007

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