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Accumulation of phosphorus in nests of red wood ants .i.Formica s. str../i

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    0028454 - UPB-H 2006 RIV FI eng J - Journal Article
    Frouz, Jan - Kalčík, Jiří - Cudlín, Pavel
    Accumulation of phosphorus in nests of red wood ants Formica s. str.
    [Akumulace fosforu v hnízdech červených lesních mravenců rodu Formica s. str.]
    Annales Zoologici Fennici. Roč. 42, - (2005), s. 269-275. ISSN 0003-455X. E-ISSN 1797-2450
    Institutional research plan: CEZ:AV0Z60660521; CEZ:AV0Z6087904
    Keywords : accumulation of phosphorus * nests of ants * red wood ants
    Subject RIV: EH - Ecology, Behaviour
    Impact factor: 0.992, year: 2005

    Here we summarize recent data on the accumulation of phosphorus in nests of wood ants as compared with that in the surrounding forest soil, and discuss mechanisms that cause this phenomenon. Moreover, we also indicate questions for future research. Various species of red wood ants (Formica s. str.) in a wide geographic area show an apparent increase of phosphorus content in their nests. Remarkably, this increase mainly entails the forms of phosphorus which are potentially available for plants or microflora, whereas the increase in total phosphorus content is less pronounced. This increase in available phosphorus is mainly attributable to release from food brought to the mound, release by decomposition of organic matter in the nest and a shift in pH of the nest material from acidic to neutral, which supports the stability of available forms of phosphorus.

    V práci jsou shrnuty údaje o akumulaci fosforu v hnízdech lesních mravenců ve srovnání s okolím a diskutovány možné příčiny tohoto jevu. U různých druhů mravenců rodu Formica s. str. můžeme pozorovat zvýšený obsah fosforu v hnízdech. Toto zvýšené množství fosforu se vyskytuje většinou ve formě dobře přístupné rostlinám, zatím co vzrůst celkového fosforu je méně výrazný.
    Permanent Link: http://hdl.handle.net/11104/0118393

     
     
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