Pattern of benthic biomass size spectra from shallow waters in the East China Seas

Hua, E, Zhang, ZN, Warwick, RM, Deng, K, Lin, K, Wang, R and Yu, ZS 2013 Pattern of benthic biomass size spectra from shallow waters in the East China Seas. Marine Biology, 160 (7). 1723-1736.

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Benthic biomass size spectra (BSS) and normalized biomass size spectra were constructed, and benthic secondary production was estimated by a size spectrum equation in the shallow waters in the East China Sea, ranging latitudinally from 40A degrees N to 29A degrees N. The BSS patterns were bimodal, two biomass peaks corresponding to meiofauna and macrofauna, respectively, separated by a trough of low biomass at 8-256 mu g individual dry weight which varied in position with median sediment particle size. The BSS also displayed bimodality within meiofauna size ranges, which in most stations was due to the relative proportions of nematodes and other meiofauna taxa. Re-analysis of data from sites in the UK, South Africa, and Antarctic showed a similar bimodality in the adult species body size distribution within the meiofauna size range. Macrofaunal production estimated by the size spectrum equation was very similar to the results of Brey90 empirical equation. However, these production values were much lower than those calculated by Brey01. Different individual dry-to-wet conversion ratios, temperature deviation, and macrofauna taxonomic composition might be responsible for the between-model differences. The macrofaunal P/B ratios calculated by this equation ranged from 0.3 to 3.4 which were in accordance with values from Northern Hemisphere mid-latitudes. Meiofaunal production estimates will need further empirical support.

Item Type: Publication - Article
Subjects: Marine Sciences
Divisions: Plymouth Marine Laboratory > Science Areas > Marine Life Support Systems (expired)
Depositing User: Mrs Julia Crocker
Date made live: 27 Feb 2014 14:28
Last Modified: 06 Jun 2017 16:10

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