SANBI Metadata
Renosterveld Ecological Processes River Corridors 2003 (river_corridors_dd.shp)
CAPE Lowlands Renosterveld – Ecological Processes (River Corridors). Riverine corridors along all perennial rivers. These are spatial components of ecological and evolutionary processes such as seed dispersal, pollinator movement along strips of riparian habitat. Other ecological and hydrological processes are dependent on the water course. All perennial rivers were identified. A 100 m buffer was mapped on each side of the river. The buffer was divided into sections, which were
identified according to the land use - ‘natural vegetation’, ‘cultivated land’ or ‘urban area’.
Simple
- Date (Publication)
- 2003
- Edition
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1.0
- Purpose
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To identify and spatially depict ecological and evolutionary processes associated with river courses and adjacent riparian habitat for conservation planning and land use management purposes. Note that this data layer is only one of several depicting ecological processes.
- Status
- On going
- Maintenance and update frequency
- As needed
- Theme
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Aquatic
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Ecological Processes
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- Place
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South Africa
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- Keywords
-
- Access constraints
- Copyright
- Use constraints
- otherRestictions
- Other constraints
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Copyright Holder: Botanical Society of South Africa
- Spatial representation type
- Vector
- Denominator
- 50000
- Language
- English
- Character set
- UTF8
- Topic category
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- Environment
- Begin date
- 2016-01-01
))
- Reference system identifier
- WGS 1984
Distributor
- OnLine resource
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A list of spatial data-sets are available at this URL.
(
WWW:LINK-1.0-http--related
)
BGIS Spatial Datasets
- Hierarchy level
- Dataset
- Statement
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In order to spatially depict ecological processes associated with river corridors in the Cape Lowlands Renosterveld region, all perennial rivers (as mapped in the 1:50 000 Surveys & Mapping rivers data layers) were considered. A 200m corridor (100m wide on each side of the river course) was defined along each river.
The 500m transition areas were then subdivided into parts according to broad landcover categories (see attribute table – ‘Descr’ field):
If > 80% of the land covered by natural vegetation, that part of the transition area was considered as ‘natural vegetation’,
If > 20% of the land covered by urban development, that part was considered as ‘urban area’
If > 20% of the land covered by intensive agriculture, that part was considered as cultivated land.
For more information see more detailed explanations in the reference below.
Documentation:
Section 9 in Von Hase, A. et al. 2003. A fine-scale conservation plan for Cape Lowlands Renosterveld. Conservation Unit, Report 2/03. Botanical Society of SA, Cape Town. Available on www.botanicalsociety.org.za/ccu - see downloads.
- File identifier
- aa1680db-a048-4a65-a5dc-df8142bc8056 XML
- Metadata language
- English
- Character set
- UTF8
- Date stamp
- 2017-10-13T16:03:09
- Metadata standard name
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SANS 1878
- Metadata standard version
-
FGDC-STD-001-1998
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