Asia/ Oceania report

Limnology

, Volume 9, Issue 1, pp 75-80

First online:

Relationships between length and weight of freshwater macroinvertebrates in Japan

  • Hitoshi MiyasakaAffiliated withCenter for Marine Environmental Studies, Ehime University Email author 
  • , Motomi Genkai-KatoAffiliated withCenter for Ecological Research, Kyoto University
  • , Yo MiyakeAffiliated withGraduate School of Science and Engineering, Ehime University
  • , Daisuke KishiAffiliated withGero Branch, Gifu Prefectural Research Institute for Freshwater Fish and Aquatic Environments
  • , Izumi KatanoAffiliated withAqua Restoration Research Center
  • , Hideyuki DoiAffiliated withFaculty of Agriculture, Ehime University
  • , Shin-ya OhbaAffiliated withGraduate School of Natural Science and Technology, Okayama University
  • , Naotoshi KuharaAffiliated withChitose Board of Education

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Abstract

Relationships between weight (W; dry weight) and length (L; head capsule width, total body length or head carapace length) were examined in 31 Japanese freshwater macroinvertebrate taxa, using the form W = aL b . The relationships were expressed as data of the lowest taxonomic level and data of higher taxonomic levels. The length–weight relationships obtained in this study were similar to those obtained in North America and Europe at the lowest taxonomic level, whereas they could be different from those obtained in North America and Europe at the higher taxonomic levels. We suggest that researchers should make their own regressions for a target taxon or use the regression for the same taxon as possible lower taxonomic level in the local area.

Keywords

Head capsule width Body length Weight Freshwater macroinvertebrates Stream