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http://dx.doi.org/10.7837/kosomes.2019.25.2.244

Estimating the Individual Dry Weight of Sheet Form Macroalgae for Laboratory Studies  

Kim, Sangil (Ocean Climate & Ecology Research Division, National Institute of Fisheries Science)
Youn, Seok-Hyun (Ocean Climate & Ecology Research Division, National Institute of Fisheries Science)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.25, no.2, 2019 , pp. 244-250 More about this Journal
Abstract
We investigated the relationship between morphological characteristics and individual dry weight to develop a method for estimating the individual dry weight of sheet form macroalgae: Ulva australis, Ulva linza, Pachymeniopsis lanceolata, and Pyropia yezoensis. In Total, 319 thalli of various sizes were collected at six sites from February 2017 to December 2018. An interspecific allometric exponent of 0.28 was found for length-biomass allometry in four sheet form macroalgae, corresponding to a 1/4-power law for primary producers. The relationships between surface area and individual dry weight, as well as between individual fresh weight and individual dry weight, were found to fit significantly using linear regression equations. This explained 94-99 % of individual dry weight, indicating that surface area and individual fresh weight can be used to accurately estimate individual dry weight. We propose the use of this method when experimental processes do not allow individual dry weight to be measured directly, so researchers can save both time and expense.
Keywords
Sheet form macroalgae; Biomass estimation; Dry weight; Allometry; Morphometric equation;
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Times Cited By KSCI : 3  (Citation Analysis)
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