Population dynamics of the coprophilous moss Tayloria tenuis in a Pyrenean forest

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Abstract

Three populations of Tayloria tenuis (Splachnaceae) growing on three isolated cattle droppings in coniferous forests of the Eastern Pyrenees were sampled by permanent grids through three years. Each population was initially in a different stage of the dung colonization process. At first, T. tenuis developed a conspicuous protonema on the dropping surface. After one or two years, the moss completed development and fruited abundantly. Eventually, the populations were covered by larger pleurocarpous mosses, which were common on the forest soil. There were important differences between the two stages of development of the T. tenuis gametophyte: the protonema stage exhibited high mortality but rapidly covered nearly all the free surface of the dropping. Afterwards, the gametophore stage established more permanently. Pleurocarpous mosses growing over Tayloria tenuis gametophores produced changes in the vegetative and reproductive pattern of this species. Tayloria tenuis disappeared gradually from the places covered by pleurocarps, although these larger species exhibited high rates of mortality at a micro‐scale level. Copyright © 1991, Wiley Blackwell. All rights reserved
Original languageEnglish
Pages (from-to)1-8
JournalEcography
Volume14
DOIs
Publication statusPublished - 1 Jan 1991

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