Description
We present a data set consisting of abundance data for 106 vascular plant species, 36 bryophyte species and 13 lichen species from 100 vegetation plots, each 1 m2, distributed on 32 shell-beds at Akerøya, Hvaler municipality, former Østfold (in 2022 Viken) county. The plots were analysed with respect to species composition in June 1979. These data formed the basis for the publication: Halvorsen, R. 1980. Numerical analysis and successional relationships of shell-bed vegetation at Akerøya, Hvaler, SE Norway. Norw. J. Bot. Vol. 27 pp. 71-95. Oslo. ISSN 0300-1156.
Data Records
The data in this occurrence resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 2,502 records.
This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.
Versions
The table below shows only published versions of the resource that are publicly accessible.
Rights
Researchers should respect the following rights statement:
The publisher and rights holder of this work is University of Oslo. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.
GBIF Registration
This resource has been registered with GBIF, and assigned the following GBIF UUID: 0db86a4c-5b10-4a39-b81d-15e1525bb27f. University of Oslo publishes this resource, and is itself registered in GBIF as a data publisher endorsed by GBIF Norway.
Keywords
Occurrence; Observation
Contacts
http://orcid.org/0000-0001-9645-3394
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Temporal Coverage
| Start Date / End Date | 1979-06-01 / 1979-06-30 |
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Sampling Methods
Species abundance values were obtained by visual assessment, using the Hult-Sernander-Du Rietz cover scale, published, e.g. in Du Rietz, G.E. 1921. Zur metodologischen Grundlage der modernen Pflanzensoziologie. Uppsala. The values of this five-grade ordinal scale are: Value | Percentage cover (%) 1 | present but <6.25% 2 | 6.25 - 12.5 3 | 12.5 - 25 4 | 25 - 50 5 | 50 - 100
| Study Extent | 100 vegetation plots (each 1 m2) from 32 shell-beds at Akerøya, Hvaler, SE Norway, during July 1979 |
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Method step description:
- Visual assessment, using the Hult-Sernander-Du Rietz cover scale
Bibliographic Citations
- Halvorsen, R. 1980. Numerical analysis and successional relationships of shell-bed vegetation at Akerøya, Hvaler, SE Norway. Norw. J. Bot. Vol. 27 pp. 71-95. Oslo. ISSN 0300-1156 http://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=PASCAL8110085421
- Source data, including field notes: Presence data for vascular plant, bryophyte and lichen species in 100 vegetation plots (each 1 m2) from 32 shell-beds at Akerøya, Hvaler, SE Norway https://doi.org/10.5281/zenodo.6759176
- Halvorsen. (1980). Numerical analysis and successional relationships of shell-bed vegetation at Akerøya, Hvaler, SE Norway. Norwegian Journal of Botany, Vol.27, no.2 (1980), S.71–95. https://bibsys-almaprimo.hosted.exlibrisgroup.com/permalink/f/2gq2l8/BIBSYS_ILS71644346270002201
- Numerical analysis and successional relationships of shell-bed vegetation at Akerøya, Hvaler, SE Norway. https://doi.org/10.5281/zenodo.6759460
Additional Metadata
| Alternative Identifiers | 0db86a4c-5b10-4a39-b81d-15e1525bb27f |
|---|---|
| https://ipt.gbif.no/resource?r=halvorsen-shell-bed-vegetation-1979 |