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2024 Berg Breede SANBI-INR IAPs Layer

The SANBI-INR IAPs layer was developed through a collaboration between SANBI and the Institute of Natural Resources as part of the Ecological Infrastructure for Water Security (EI4WS) project. The data was derived from expert workshops conducted with individuals who had knowledge about invasive alien plant species in the catchment. Through virtual workshops the “experts” identified areas they were familiar with to provide information about invasive infestation therein. Areas that experts could not provide information for or had low confidence about were assessed through field visits to verify and fill data gaps. In the context of the project, the experts referred to are local stakeholders that have been involved in IAPs clearing projects and are familiar with the types of IAP species present in the Berg-Breede catchment.


The SANBI-INR IAPs layer was developed through various stages as indicated below:


Segment and data preparation – which involved developing the segments layer using Segment Mean Shift tool in ArcMap. Thereafter, a structured attribute table and domains were created.


Engagement with experts/specialists to capture data on IAPs types and distribution patterns within the segments.


In-field mapping and verification to verify the data captured on desktop and to fill in gaps for where there was no data.


Incorporation of existing IAPs data from various sources.


The project only focused on the following IAP woody species through consultation with various stakeholders:

Port Jackson

Long-leafed wattle

Stinkbean

Australian myrtle

Blackwood

Willows

Poplar

Rooikrans

Hakea

Black wattle

Eucalyptus sp.

Pine sp.

Simple

Date (Publication)
2024
Purpose

To map the distribution of woody invasive alien plant occurrence in the Berg-Breede demonstration catchment as part of the Ecological Infrastructure for Water Security (EI4WS) project. The output of the mapping process will assist in determining the extent to which interventions are required to address the threat posed by invasive alien plant species (IAPs) in the demonstration catchment and to establish the level of investment that is required to implement these interventions.

Status
Completed
Custodian
  SANBI - Kedibone Ndlovu
Maintenance and update frequency
Not planned
Theme
  • Woody Invasive Alien Plant Species, Mapping, Density

Place
  • Berg-Breede

Access constraints
Copyright
Use constraints
otherRestictions
Spatial representation type
Vector
Denominator
50000
Language
English
Character set
UTF8
Topic category
  • Environment
Begin date
2020-11-12
End date
2021-06-18
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Reference system identifier
Albers

Distributor

Distributor
  SANBI
Name

ZIP

Version

1

Hierarchy level
Dataset
File identifier
3d7acf31-a39c-4540-b946-5425a293c34d XML
Metadata language
English
Character set
UTF8
Date stamp
2025-05-21T11:43:31
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

Woody Invasive Alien Plant Species, Mapping, Density

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