Dataset

Bolus Herbarium Algal Specimen Database

AfrOBIS Open in mapper Explore occurrences

The Bolus Herbarium algal collection is the most comprehensive collection in South Africa. Also a reasonable collection of foreign material form various parts of the world. The latter do not form part of the database material.

Citation
Bolus Herbarium Algal Specimen Database
Published
December 02, 2020 at 14:08
License
This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License
URL
http://ipt.iobis.org/afrobis/resource?r=uct_algae
Archive
https://ipt.iobis.org/afrobis/archive.do?r=uct_algae

Contacts

University of Cape Town Botany Department
University of Cape Town Botany Department

Terry Trinder-Smith
University of Cape Town; Botany Department

Ursula von St Ange
CSIR / SADCO / AfrOBIS

9,664
total submitted occurrences
9,562
accepted occurrences
611
taxa
481
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 9,664
100.0%
eventDate 1,027
10.6%
minimumDepthInMeters 9,664
100.0%
occurrenceStatus 9,664
100.0%
scientificNameID 90 16
1.1%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag Dropped Records
ON_LAND 4,816
49.8%
DEPTH_EXCEEDS_BATH 679
7.0%
NO_MATCH 102
1.1%
NO_ACCEPTED_NAME 28
0.3%
WORMS_ANNOTATION_REJECT_AMBIGUOUS 9
0.1%
MARINE_UNSURE 2
0.0%

Measurement types

DNA derived data