Length and Biomass Data for Atlantic and Pacific Seaweeds From Both Hemispheres

The holdfast tissue of such an isolated frond can grow across the substrate and, in turn, produce new fronds. [...]fronds of clonal seaweeds are ramets (a term originally developed for shoots of clonal vascular plants; de Kroon and van Groenendael, 1997), while the entire thallus (holdfast and frond...

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Bibliographic Details
Published in:Frontiers in Marine Science 2020-10, Vol.7
Main Authors: Scrosati, Ricardo A., MacDonald, Heather L., Córdova, César A., Casas, Graciela N.
Format: Article
Language:English
Subjects:
Algae
allometry
Biomass
Data
Desiccation
Flowers & plants
Fronds
Gametes
Herbivores
intertidal
Length
Plants
Ramets
Seawater
seaweed
Seaweeds
Shoots
Spores
Thallus
Tissue
Zygotes
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Summary:The holdfast tissue of such an isolated frond can grow across the substrate and, in turn, produce new fronds. [...]fronds of clonal seaweeds are ramets (a term originally developed for shoots of clonal vascular plants; de Kroon and van Groenendael, 1997), while the entire thallus (holdfast and fronds) that develops from one spore, zygote, or parthenogenetic gamete is the genet (Scrosati, 2002a). While demographic studies are done at the level of the individual for unitary seaweeds, they are typically done at the level of the frond for clonal seaweeds, as fronds are easy to count and, ultimately, are the structures that develop reproductive tissues and provide biomass readily available for consumers (Rivera and Scrosati, 2008; Cetz-Navarro et al., 2015; Pereira et al., 2017). [...]in this paper, length and biomass are reported for fronds for clonal species and for individuals for unitary species. Materials and Methods In this article, length data are expressed in cm, while biomass data represent dry biomass expressed in mg (Scrosati et al., 2020). Since most of the measured algae were collected during low tides in rocky intertidal habitats (see below), some degree of desiccation had taken place prior to collection. Even the subtidal algae (collected under water) may have experienced some mild desiccation between the time of collection and the time of measurements in the lab, because they were transported in bags without water to the lab. [...]to ensure uniformity in the data, all collected algae were submerged in seawater in the lab until reaching full hydration before their length was measured.
ISSN:2296-7745
2296-7745
DOI:10.3389/fmars.2020.592675