HÁJEK, Michal, Martin JIROUŠEK, Jana NAVRÁTILOVÁ, Eliška HORODYSKÁ, Tomáš PETERKA, Zuzana PLESKOVÁ, Josef NAVRÁTIL, Petra HÁJKOVÁ and Tomáš HÁJEK. Changes in the moss layer in Czech fens indicate early succession triggered by nutrient enrichment (Změny v mechovém patře českých slatinišť indikují časnou fázi sukcese vyvolanou obohacením o živiny). Preslia. Česká botanická společnost, 2015, vol. 87, No 3, p. 279-301. ISSN 0032-7786.
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Basic information
Original name Changes in the moss layer in Czech fens indicate early succession triggered by nutrient enrichment
Authors HÁJEK, Michal (203 Czech Republic, guarantor, belonging to the institution), Martin JIROUŠEK (203 Czech Republic, belonging to the institution), Jana NAVRÁTILOVÁ (203 Czech Republic, belonging to the institution), Eliška HORODYSKÁ (203 Czech Republic, belonging to the institution), Tomáš PETERKA (203 Czech Republic, belonging to the institution), Zuzana PLESKOVÁ (703 Slovakia, belonging to the institution), Josef NAVRÁTIL (203 Czech Republic), Petra HÁJKOVÁ (203 Czech Republic, belonging to the institution) and Tomáš HÁJEK (203 Czech Republic).
Edition Preslia, Česká botanická společnost, 2015, 0032-7786.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10600 1.6 Biological sciences
Country of publisher Czech Republic
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 2.711
RIV identification code RIV/00216224:14310/15:00081046
Organization unit Faculty of Science
UT WoS 000364105800002
Keywords in English pH; bryophytes; mire; vegetation change; decline of threatened species; nutrients
Tags AKR, rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Petra Hájková, Ph.D., učo 44121. Changed: 16/2/2018 15:02.
Abstract
Temperate fens are rapidly losing their specialized species. This applies even to seemingly untouched fens, in which the moss layer in particular is undergoing rapid succession.We analysed historical and recent vegetation-plot data from fens in the agricultural landscape on the Bohemian Massif (Czech Republic) to test the hypotheses that (i) more acidicolous and/or competitively stronger species that benefit from increased nutrient availability regionally increase in frequency and in percentage cover, and (ii) these competitively stronger bryophytes have become more tolerant of high pH because of the increased nutrient supply.We worked with two datasets: a precise dataset (themost similar pairs of samples from the same fens) and a large dataset (all of the historical and recent samples from the area studied). We found that calcicolous brown mosses specialized for growing in fens have recently been retreating to places with the highest pH, being replaced by more nutrient-demanding species such as Calliergonella cuspidata, Sphagnum palustre, S. teres and Straminergon stramineum in most of rich fens. Sphagnum fallax and S. flexuosum spread only in poor fens. At the level of individual species, the intensity of change in species abundance (cover-weighted frequency change) correlated significantly with the median potassium concentration in the biomass of species based on a large set of recent data.We conclude that nature conservancy authorities should monitor changes in the species composition of the moss layer as thismay signal the initial phase of nutrient enrichment of seemingly intact fens in agricultural landscapes.
Links
GAP505/10/0638, research and development projectName: Kalcitolerance rašeliníků, její fyziologické a genetické pozadí a konsekvence v ekologii rašelinišť
Investor: Czech Science Foundation
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