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Short term effects of experimental eutrophication on carbon and nitrogen cycling in two types of wet grassland

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12310%2F08%3A00009181" target="_blank" >RIV/60076658:12310/08:00009181 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Short term effects of experimental eutrophication on carbon and nitrogen cycling in two types of wet grassland

  • Original language description

    Plant biomass production, soil chemical and microbial parameters, microbial processes of C and N cycle and gases emissions were studied in soils at two types of grasslands (wet meadows). Both sites are situated in the Czech Republic: (1) a nutrient poorsedge meadow on organic soil (Z) and (2) a mesotrophic sedge-sweet grass meadow on mineral soil (H). Eutrophication was simulated by the application of NPK fertilizer to selected permanent plots in 2006 and 2007 in amounts of 9 kg N + 4 kg P ha -1 year-1(low dose) and 45 kg N + 20 kg P ha-1 year-1 (high dose). After two years of fertilizer application, we observed an increase in net aboveground plant production (about 9-12 kg ha-1 year-1) connected with an increase in shoot:root ratio in fertilized plots of both sites, with more pronounced changes in oligotrophic sedge meadow. Total CO2 efflux from the ecosystem measured in situ was significantly higher at fertilized plots as well as increase in total soil respiration in case of sedgeme

  • Czech name

    Krátkodobý vliv experimentální eutrofizace na koloběh uhlíku a dusíku ve dvou typech mokrých luk.

  • Czech description

    Řada rostlinných a půdních parametrů byla sledována po umělé eutrofizaci (po dobu dvou let) dvou lokalit mokrých luk na Třeboňsku lišících se zejména obsahem půdní organické hmoty a trofií. Signifikantní rozdíly byly nalezeny pouze na živinami chudé lokalitě s organickou půdou, a to nárůst celkových emisí oxidu uhličitého, nárůst půdní respirace měřené in situ a nárůst poměru nadzemní rostlinné biomasy ku podzemní na eutrofizovaných plochách oproti kontrole. Další parametry (jako např. obsah uhlíku a dusíku v mikrobiální biomase, rychlost nitrifikace, denitrifikace, mineralizace a asimilace dusíku) stanovené v půdě z eutrofizovaných ploch se překvapivě od ploch kontrolních nelišily.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    EH - Ecology - communities

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Community Ecology

  • ISSN

    1585-8553

  • e-ISSN

  • Volume of the periodical

    9

  • Issue of the periodical within the volume

    Suppl.

  • Country of publishing house

    HU - HUNGARY

  • Number of pages

    10

  • Pages from-to

  • UT code for WoS article

    000263432100012

  • EID of the result in the Scopus database