(1) When a high tide occurs and the tidemark reaches beyond the normal beach line, this tends to create certain element of fear in the people.(2) I have seen them feeding at the tidemark with snow buntings and pipits and they also find seeds in the marram hills.(3) the basin was ringed by a tidemark composed of specks of hair and shaving cream(4) In a review article, he concluded that physical factors were most important to determine the upper and lower limits of intertidal communities, but biological factors predominated in life between the tidemarks .(5) It was, I felt, scenically enhanced by its proximity to the Dodder River, even though it was the cause of the water tidemarks on the internal walls, the area having flooded a few years back.