Nitrogen accumulation by six pleurocarpous moss species and their suitability for monitoring nitrogen deposition

Autor:	J.-P. Frahm, A. Solga
Rok vydání:	2006
Předmět:	biology chemistry.chemical_element Plant Science biology.organism_classification Moss Nitrogen chemistry.chemical_compound Human fertilization chemistry Nitrate Botany Rhytidiadelphus squarrosus Ammonium Ecology Evolution Behavior and Systematics Hylocomium splendens Pleurozium schreberi
Zdroj:	Journal of Bryology. 28:46-52
ISSN:	1743-2820 0373-6687
DOI:	10.1179/174328206x104552
Popis:	This study reports on a fertilization experiment with the six pleurocarpous moss species Brachythecium rutabulum, Hylocomium splendens, Pleurozium schreberi, Rhytidiadelphus squarrosus, R. triquetrus and Scleropodium purum. The intention was to find one or more species which clearly reflected the simulated N deposition in its tissue N contents and which could therefore be regarded as valuable for an N-monitoring programme in central Europe. The mosses were fertilized over a period of 12 months with nitrogen in the form of three different compounds. The additional nitrogen was supplied at 40 kg N ha−1 year−1 in all treatments. Significant increases of tissue N content were recorded for all species with the exception of Hylocomium splendens. The curves of N accumulation distinctly differed with time among the six species. Fertilization with nitrate led to smaller increases of tissue N than solutions containing ammonium. For most of the species, at least, a trend towards N saturation was observed ov...
Databáze:	OpenAIRE
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