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Distribution patterns of subtidal macrobenthos in the Tsitsikamma National Park

Authors: Heyns-Veale, Elodie;

Distribution patterns of subtidal macrobenthos in the Tsitsikamma National Park

Abstract

Subtidal macrobenthos was sampled in the Tsitsikamma National Park between 2009 and 2012 to compare shallow (11–25 m) and deep (45–75 m) sites. The resultant records of sampling events, photographic images of the sea floor, and invertebrate and algal species occurrences constitute this dataset. See Heyns et al. (2016). The following classes of data are represented. DwC Event Core: A parent sampling event represents a sample station in which 30 child sampling events / photoquadrats were randomly selected. There are 6 sample stations / parent events (i.e. 180 child sampling events / photoquadrats) for the deep site and 6 parent events (180 child sampling events / photoquadrats) for the shallow site. A 0.2m^2 photoquadrat on each photo was sampled using Coral Point Count for Excel, using 54 random points. DwC Occurrence Extension: An occurrence record represents the percentage cover of a species calculated from the 54 random points falling in the 0.2m^2 photoquadrat (i.e. the individual species points from each photoquadrat have not been published). DwC Extended Measurement or Fact Extension: Each record represents the percentage cover, in the 0.2m^2 photoquadrat, of the following elements (either Tape/Wand/Shadow), abiotic features (e.g. shells, substrate) or biodiversity that could not be identified, even at a high level. DwC Audubon Media Description: Each record represents the digital photograph containing the 0.2m^2 photoquadrat.

Related Organizations
Keywords

Occurrence, fish habitat, macrobenthic communities, photoquadrats, warm-temperate reefs

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Related to Research communities
Italian National Biodiversity Future Center