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Abstract <p>The algal cover on the typhoon-devastated substrate in Sobol Bay recovered by a successional pattern that usually proceeds in three phases: the bacterial-diatom phase, the phase of alternating communities of opportunistic species, and the structured late-successional community. We observed the first two phases. A few days after the storm a diatom cover began to develop, with projective cover reaching 100% after 16 days. Naviculoid diatoms and species of the genus <i>Licmophora</i> dominated during this phase. One month after the devastation the first macroalgal germlings appeared, indicating the beginning of the second phase, during which the change of algal communities was related to seasonal reproduction and growth patterns of algae. During the first 3 years, the substrate was dominated by seasonal and annual algae. In the fourth year, late-successional species entered the dominant category. Compared to other regions of the Northwest Pacific the development of algal cover in Sobol Bay had a longer duration of the second phase (not less than 4 years) and a greater number of changing seasonal communities in it (not less than five).</p>

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Algal Community Succession in a Typhoon-Damaged Phytocenosis of Stephanocystis crassipes in Peter the Great Bay, Sea of Japan

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • A. V. Skriptsova,
  • O. S. Belous

摘要

Abstract

The algal cover on the typhoon-devastated substrate in Sobol Bay recovered by a successional pattern that usually proceeds in three phases: the bacterial-diatom phase, the phase of alternating communities of opportunistic species, and the structured late-successional community. We observed the first two phases. A few days after the storm a diatom cover began to develop, with projective cover reaching 100% after 16 days. Naviculoid diatoms and species of the genus Licmophora dominated during this phase. One month after the devastation the first macroalgal germlings appeared, indicating the beginning of the second phase, during which the change of algal communities was related to seasonal reproduction and growth patterns of algae. During the first 3 years, the substrate was dominated by seasonal and annual algae. In the fourth year, late-successional species entered the dominant category. Compared to other regions of the Northwest Pacific the development of algal cover in Sobol Bay had a longer duration of the second phase (not less than 4 years) and a greater number of changing seasonal communities in it (not less than five).