Grazing by Folsomia candida (Collembola) differentially affects mycelial morphology of the cord-forming basidiomycetes Hypholoma fasciculare, Phanerochaete velutina and Resinicium bicolor

Tordoff, George M.; Boddy, Lynne; Jones, T. Hefin

doi:10.1016/j.mycres.2005.11.012

Cited by 40 publications

(44 citation statements)

References 24 publications

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“…Although at the lower end of the range of reported mean field densities (Peterson and Luxton 1982; Topp et al 2006), experimental numbers (Table 1) were considered appropriate to the restrictive 2-D microcosm environment used in the current study. Invertebrates, other than nematodes, were size-selected (using a series of metal sieves of known pore size; Nikel-Electro, Western-super-Mare, UK) following Tordoff et al (2006) and Bradford et al (2002).…”

Section: Invertebrate Numbers and Size Selectionmentioning

confidence: 99%

Species-specific effects of soil fauna on fungal foraging and decomposition

2011

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Decomposer fungi are primary decomposing agents in terrestrial soils. Their mycelial networks play an important role in nutrient mineralisation and distribution, but are also nutritious resources for various soil invertebrates. Global climate change is predicted to alter the diversity and community composition of these soil fauna. To understand whether changes in invertebrate species diversity are likely to affect fungal-mediated decomposition, this study compared the grazing potentials of different invertebrate taxa and functional groups. Specifically, the grazing impacts of seven invertebrate taxa on the growth and spatial distribution of six basidiomycete fungi growing from beech wood blocks in soil microcosms were explored. Wood decay rates by fungi were also compared. The consequences of grazing were both taxon- and species-specific. Generally, macro-invertebrates caused the greatest damage, while meso- and micro-invertebrates often stimulated mycelial growth. Invertebrate size, preferences and population dynamics are likely to influence grazing potentials. Effects of grazing varied between fungi, with mycelial morphology and biochemistry possibly influencing susceptibility. Heavy grazing indirectly increased fungal-mediated wood decomposition. Changes in invertebrate community composition are predicted to have consequences for fungal growth, activity and community structure in woodland soils. Abiotic climate change factors including CO(2) and temperature affect mycelial productivity directly, but the indirect effects, mediated through changes in the soil invertebrate community, may be equally important in controlling ecosystem functioning.

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Section: Invertebrate Numbers and Size Selectionmentioning

confidence: 99%

Species-specific effects of soil fauna on fungal foraging and decomposition

2011

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“…Unfortunately, we know little about fungal defence strategies against fungivores which are probably as complex as bacteria-predator relationships (Kampichler et al 2004;Scheu and Folger 2004;Scheu and Simmerling 2004;Harold et al 2005;Bretherton et al 2006;Tordoff et al 2006Tordoff et al , 2008Wood et al 2006).…”

Section: Rhizodeposition and Interactions Of Rhizosphere Fauna With Mmentioning

confidence: 99%

Rhizosphere fauna: the functional and structural diversity of intimate interactions of soil fauna with plant roots

2009

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For decades, the term "rhizosphere fauna" has been used as a synonym to denote agricultural pests among root herbivores, mainly nematodes and insect larvae. We want to break with this constrictive view, since the connection between plants and rhizosphere fauna is far more complex than simply that of resource and consumer. For example, plant roots have been shown to be neither defenceless victims of root feeders, nor passive recipients of nutrients, but instead play a much more active role in defending themselves and in attracting beneficial soil microorganisms and soil fauna. Most importantly, significant indirect feed-backs exist between consumers of rhizosphere microorganisms and plant roots. In fact, the majority of soil invertebrates have been shown to rely profoundly on the carbon inputs from roots, breaking with the dogma of soil food webs being mainly fueled by plant litter input from aboveground. In this review we will highlight areas of recent exciting progress and point out the black boxes that still need to be illuminated by rhizosphere zoologists and ecologists.

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“…1), microclimate (Donnelly and Boddy 1997a;Owen 1997;Wells et al 2001), nutrient status of the mycelial system to which they are connected and of the resource from which they are growing (Bolton and Boddy 1993;Donnelly and Boddy 1997b;Boddy et al 1999;Zakaria and Boddy 2002), nutrient status and structure of the environment through which they are growing (Donnelly and Boddy 1998;Boddy et al 1999;Zakaria and Boddy 2002), interaction with other mycelia (Donnelly and Boddy 2001), invertebrate grazing (Kampichler et al 2004;Harold et al 2005;Bretherton et al 2006;Tordoff et al 2006;Wood et al 2006), and time, size, and age of the system Boddy et al 1999). Outgrowth patterns range between mycelia characterized by diffuse, slowly extending search fronts, with a high mass fractal dimension (D M close to 2 in two dimensions), and open systems characterized by well-defi ned, rapidly extending cords throughout the system, with a lower D M (between 1 and about 1.8).…”

Section: Mycelial Outgrowth and Network Developmentmentioning

confidence: 99%

“…This concept is clearly seen in the improved global transport effi ciency of the uniform MST, even though the MST would be expected to be very vulnerable to disconnection during attack. Robustness to damage, e.g., by physical breakage or grazing by invertebrates (Kampichler et al 2004;Bretherton et al 2006;Tordoff et al 2006;Wood et al 2006;Jones 2007, 2008), is of major significance to long-lived mycelial systems. Having a large number of alternate pathways is important in this context, and the differential strengthening of links not only imparts high transport capacity but also robustness to damage, which can be seen by examining the effects of breaking links in models of the fungal networks compared with corresponding uniform networks.…”

Section: Analysis Of Mycelial Outgrowth and Network Developmentmentioning

confidence: 99%