Skip to main content

Advertisement

Table 3 Comparison on regressions between OPC derived mass and directly measured mass, ranges of abudance, and biovolume of mesozooplankton

From: Spatial and temporal changes in zooplankton abundance, biovolume, and size spectra in the neighboring waters of Japan: analyses using an optical plankton counter

Location (period) Regression ( n, r 2 , p ) Abundance (ind. m -3 ) Biovolume (mm 3m -3 ) References
35° to 44° N, 155° E Y = 1.05X + 0.05 351.7 to 579.5 177.1 to 678.9a Yokoi et al. (2008)
(May to June 1993 to 2004) (234, 0.63, p < 0.0001)    
22° to 53° 30′ N 165° E/165° W Y = 116X 226.3 to 430.9 190.7 to 523.3a Matsuno and Yamaguchi (2010)
(June to August 2003 to 2006) (96, 0.79, p < 0.0001)    
35° to 51° N, 180° Y = 1.176X 128.0 to 562.0 96.0 to 880.0a Fukuda et al (2012)
(June 1981 to 2000) (351, 0.521, p < 0.0001)    
20° to 45° N, 126° to 155° E Y = 0.950X 16.8 to 1,075.9 2.2 to 1,006.7 This study
(May to Aug. 2011) (78, 0.691, p < 0.0001)    
  1. Evaluated by OPC analyses in the North Pacific. For regressions, Y, biovolume in mm−3 and X, mg m−3.
  2. aBiovolume data were calculated from dry mass unit in the references.