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CKDM High topographic variability.shp

Landscapes of high topographic variability important for climate change adaptation.

Simple

Date (Publication)
2009-06-10
Edition

1.0

Purpose

Used as a feature in the conservation plan.

Status
On going
Custodian
  SANBI - Mellisa Naiker ( GIS Officer )
- , - , - , - , South Africa
+27 (21) 799 8738
Maintenance and update frequency
As needed
Theme
  • Climate Change Adaptation

Place
  • Central Karoo

  • South Africa

Keywords
Access constraints
Copyright
Use constraints
otherRestictions
Other constraints

Copyright belows to CGS. Data captured by Holness 2009

Spatial representation type
Vector
Denominator
50000
Language
English
Character set
UTF8
Topic category
  • Environment
Begin date
2016-01-01
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Reference system identifier
WGS 1984

Distributor

Distributor
  SANBI
Name

ZIP

Version

1

OnLine resource
A list of services published are available at this URL. ( WWW:LINK-1.0-http--link )

BGIS Map Services

OnLine resource
A list of spatial data-sets are available at this URL. ( WWW:LINK-1.0-http--related )

BGIS Spatial Datasets

Hierarchy level
Dataset
Statement

Areas of potential climate change resilience and climate refuges based on a multi-scale modelled assessment of landscapes of high topographic diversity. These topographically diverse areas are important for a number of reasons:

• The representation of rare or unique features that are not encountered more widely in the landscape.

• Associated with keystone ecological process features such as inselbergs, cliff faces, springs and caves.

• Are an important refuge habitat in the face of climate change

• These areas also include important altitude, temperature and moisture gradients which need to be protected to allow climate change adaptation.

The 90m resolution SRTM Digital Elevation Model was used as the basis for the

assessment. This layer was processed in IDRISI according to the following method:

? The data were filtered at a variety of scales: 7x7, 15x15, 25x25, 45x45 pixels.

? A standard deviation was calculated at each scale.

? Areas with a top quartile SD at any of these scales were classified as having high

topographic variability.

? A combined multiscale layer of areas of high topographic variability was produced by combining these layers. Small areas were removed (>100ha). A 30% target for these rivers was set for the first CBA run, while the remaining unselected areas were included as Ecological Support Areas if they were not transformed.

File identifier
ae95e713-5f53-43ae-8f27-91b360eb4091 XML
Metadata language
English
Character set
UTF8
Date stamp
2017-05-24T10:41:28
Metadata standard name

SANS 1878

Metadata standard version

FGDC-STD-001-1998

Distributor
  SANBI - ( The Metadata Manager )
Kirstenbosch Research Centre , Cape Town , Claremont , 7735 , South Africa
+27 21 799 8738
 
 

Overviews

Spatial extent

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Keywords

Climate Change Adaptation

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