Photo of the week: Repeatedly distressed Mnium hornum

Copyright 2021 Jan Galkowski

This Mnium hornum community is located near a brook which occasionally overflows its banks and at a relative elevation lower than the brook floor. Because of unusual big rains in Dover, Massachusetts in 2021, this hornum community has been inundated by water and mud several times since early June 2021. The withered or dark stems and leaves show the aftereffects of these. The good structured and colored leaves show recovering stems.

This photographic result and, in fact, a series of them come from my ongoing longitudinal study of mosses at four sites in Westwood and Dover, Massachusetts, having a protocol of weekly visits and surveys. There are 33 plots involved. Two of the sites are brooks like the one having the Mnium hornum above.

About ecoquant

See https://667-per-cm.net/about. Retired data scientist and statistician. Now working projects in quantitative ecology and, specifically, phenology of Bryophyta and technical methods for their study.
This entry was posted in American Bryological and Lichenological Society, Botany, bryology, bryophytes, longitudinal field survey, longitudinal study of mosses, longitudinal survey of mosses. Bookmark the permalink.

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