AN ECOLOGICAL SURVEY OF A SANDY BEACH

Abstract

An ecological survey of a sandy beach was made to determine relationships between population densities and sand grain size distributions, season and height above the tidal datum plane (MLLW). Fifteen species of invertebrates in four phyla were collected. Four zones relative to tidal datum and two major habitats - protected outer coast sandy beach and outer coast sandy beach - were defined. Nephtys caecoides, Nephtys californiensis and Archaeomysis maculata showed distinctive distribution patterns relative to mean grain size which require further investigation.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1970
Accession Number
AD0709087

Entities

People

  • Thomas J. Berger

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Animals
  • Bibliographies
  • California
  • Cells
  • Crustaceans
  • Ecology
  • Frequency
  • Grain Size
  • Habitats
  • Invertebrates
  • North America
  • Personality
  • Regions
  • Skewness
  • Statistical Analysis
  • Surveys
  • United States

Fields of Study

  • Environmental science

Readers

  • Coastal and Marine Engineering/Sediment Transport/Hydraulic Engineering