The impact of fungi and macroinvertebrates on the breakdown of beech and ash leaves in a woodland stream

• Autorzy: Fleituch T.
• Języki publikacji: EN

Abstrakty

EN

This study examines the relationship between the breakdown of beech (Fagus silvatica L.) and ash (Fraxinus excelsior L.) leaves and then aquatic fungi and macroinvertebrate assemblages by exposing leaves in different mesh bags (coarse and fine) in a mountain stream over seven months. The % of ash free dry mass remaining differed significantly between two categories of bags, leaf taxa, and time intervals. Ash breakdown was more rapidly than the breakdown of beech. The first sporulation peak was observed in 6 week on ash and the second peak in 12 week on beech leaves (1019 and 848 conidia mg^-1 dry mass day^-1, respectively). Total biomass of invertebrates correlated with fungi biomass on beech leaves. The gathering collectors were significantly associated with fungi biomass on ash leaves. Number of shredders (e.g. Nemoura spp., Protonemoura sp., Capnia sp.), filtrators (Simuliidae, Ephemera vulgaris L.), and scrapers (Heptageniidae) showed no relationship with any leaf characteristic, suggesting that coarse leaf bags were used mainly as a habitat and not as a food resource.

Słowa kluczowe

EN

aquatic fungi; leaf breakdown; macroinvertebrates; stream

• Wydawca: Museum and Institute of Zoology, Polish Academy of Sciences
• Czasopismo: Polish Journal of Ecology
• Rocznik: 2001
• Tom: Vol. 49, nr 4
• Strony: 359--368
• Opis fizyczny: Bibliogr. 54 poz., tab., wykr.

Twórcy

autor

Fleituch T.

• Karol Starmach Institute of Freshwater Biology, Polish Academy of Sciences, 31-016 Kraków, ul. Sławkowska 17

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