Structures and Seasonal Changes of <I>Zostera japonica</I> Population in Tategami-ura, Ago Bay, Mie Prefecture

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  • Abe Mahiko
    Graduate School of Bioresoureces, Mie University Department of Applied Aquabiology, National Fisheries University
  • Yokota Keigo
    Graduate School of Bioresoureces, Mie University
  • Kurashima Akira
    Graduate School of Bioresoureces, Mie University
  • Murase Noboru
    Department of Applied Aquabiology, National Fisheries University
  • Maegawa Miyuki
    Graduate School of Bioresoureces, Mie University

Bibliographic Information

Other Title
  • 三重県英虞湾立神浦におけるコアマモ群落の構造と季節変化
  • ミエケン アゴワンリツシンウラ ニ オケル コアマモ グンラク ノ コウゾウ ト キセツ ヘンカ

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Abstract

This study clarified the structures and seasonal changes of Zostera japonica population from July 2003 to November 2004, growing at Tategami-ura, Ago Bay, Mie Prefecture. Productive structures showed the graminous types through the year. In August, biomass, shoot density and Leaf Area Index reached maximum values. And then, many long shoots were withered drastically. From February, shoot density gradually increased by seed germination and recruitment of lateral shoots. From March to April, biomass rapidly increased with growing leaves. Flowering shoots were observed from May. Leaf Mass Area showed high values from February to September, and low from October to January. The three phases of growing (December-April), flowering (May-August) and withering (September-November) were distinguished with reference to the seasonal changes in population structures.

Journal

  • Aquaculture Science

    Aquaculture Science 60 (2), 215-225, 2012

    Japanese Society for Aquaculture Science

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