Atlas · South Africa / Dataset
DATASET

Salt marsh (UNEP-WCMC): South Africa

Salt marsh recorded in South Africa, from the UNEP-WCMC global saltmarsh layer (McOwen et al. 2017, updated). Coverage in Africa is patchy: absence on the map does not mean salt marsh is absent on the ground.

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Features
77
saltmarsh_area, saltmarsh_record
Observations
0
Linked measurements
Quality score
90 / 100
Completeness · provenance · checks
Version
v1
Imported 2026-10-13

About this dataset

Source
UNEP-WCMC global seagrass and saltmarsh layers
UN Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) and Short FT
Source layer
WCMC027_Saltmarsh_v6_1 (EPSG:4326)
Module / ecosystem
SALT MARSH
Licence
—
Coordinate system
Stored as EPSG:4326 (WGS 84). Source native: n/a
Records archived
77 (matches the source's own count)

How to cite

UNEP-WCMC, Short FT (2021). Global distribution of saltmarsh (version 6.1). Based on McOwen et al. (2017), A global map of saltmarshes, Biodiversity Data Journal 5: e11764. Cambridge (UK): UN Environment Programme World Conservation Monitoring Centre. (2026). Salt marsh (UNEP-WCMC): South Africa. Archived copy held by Atlas Blue Carbon Intelligence (snapshot n/a; SHA-256 ff1185b0f29ea0a8…). Accessed via https://www.atlas.twende.green/datasets/saltmarsh-unep-wcmc-za.

Feature classes

ClassFeatures
saltmarsh_area64
saltmarsh_record13

Measurements recorded

Geometry-only dataset
No separate measurements; attributes are shown in the data table.

Unit harmonisation applied to this dataset

Every number in Atlas is stored in one canonical unit; the original value and unit are always kept

No numeric measurements to convert
Place names / geometry only.

Attributes stored per feature

How many features carry each attribute (first 20,000)

AttributeFeatures
accuracy77
popup77
ecosystem77
area_ha_geodesic64

Checked against the geometry

Source value ÷ the same quantity computed from the stored shape

No unit checks apply

Archive & integrity

Snapshot
n/a
Format
GeoJSON
Archive checksum
ff1185b0f29ea0a8757884e4186c6089c2fa6747c9dd33958d39cb2193e083b7
Atlas serves this dataset from its own archived copy. Nothing is requested from the publisher when you view or download it.

Verification against the raw archive

Record counts match the source
Imported record count equals the source's own count; per-record cross-check recorded in the import run.

Import history

RunStatusStartedRecordsRepaired geometries
#1356completed2026-10-13 19:23:43+00770
11h 59mleft
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