On the Critical Surface Shear Strength for Japanese Littleneck Clams

• SASSA Shinji

  (独法) 港湾空港技術研究所地盤・構造部

• WATABE Yoichi

  (独法) 港湾空港技術研究所地盤・構造部土質研究室

Bibliographic Information

Other Title

• アサリの潜砂限界強度について

Abstract

In this paper, we investigate the role of geophysical environmental conditions in the self-burial activity of Japanese littleneck clams. By employing two kinds of bed material, namely, sandy soil taken from a natural intertidal flat and agar simulating cohesive soil, we performed a series of well-controlled laboratory experiments in which the clam activity was closely examined under variably prescribed geophysical conditions. The results demonstrate that irrespective of the type of bed material and exposure/submergence conditions, there exists a critical surface shear strength above which the self-burial activity becomes physically impossible. This finding may enable the performance-based assessment and adaptive management of tidal flat geoenvironments so as to conserve and restore the diverse clam activities.

Journal

• PROCEEDINGS OF COASTAL ENGINEERING, JSCE

  PROCEEDINGS OF COASTAL ENGINEERING, JSCE 54 1196-1200, 2007

  Japan Society of Civil Engineers

Keywords

• General Chemical Engineering

Details

• CRID: 1390001204549435904
• NII Article ID: 130003807964
• DOI: 10.2208/proce1989.54.1196
• ISSN: 18848222
• ISSN: 09167897
• ISSN: http://id.crossref.org/issn/09167897
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed