Habitat point records from 1977-81 Eleftheriou/Robertson east Scotland littoral sediment survey

Eleven sandy beaches on the east coast of Scotland were surveyed over a period of several years (1977-1981). On each beach, after initial observations were made on the structure, degree of exposure, and the position of any freshwater inflow noted, a simple surveying technique was used to construct profiles measured from a suitable benchmark. Main stations were placed at the estimated levels for high, mid and low tide along the profile transect, with intermediate stations also being inserted; the numbers of these depended on the width of the intertidal zone. At each station one quadrat of 1/16m squared was dug for macrofauna and the sand sieved through a 0.5mm mesh, the residue being preserved in 5% formalin. The sediment was preserved with 60% alcohol and analysed in the Laboratory by dry sieving of the sand fraction. The sorting coefficients and median diameters were calculated and the cumulative curves constructed from the results.

在苏格兰东海岸的十一个沙滩上，经过数年的实地考察（1977-1981年），对沙滩的结构、暴露程度以及淡水入流的位置进行了初步观测。随后，采用简易的测量技术，以合适的基准点为起点，绘制了剖面图。在剖面线的估计高潮、中潮和低潮位处设置了主站，并根据潮间带的宽度插入了中间站。每个站点挖掘了一个面积为1/16平方米的样方以研究宏生动物，并通过0.5毫米的筛网筛选沙子，将残留物保存在5%的甲醛溶液中。沉积物用60%的酒精保存，并在实验室通过干筛法分析沙粒部分。计算了分选系数和算术平均直径，并基于结果构建了累积曲线。