Resource use of wood-inhabiting fungi in different boreal forest types

Juutilainen, Katja; Mönkkönen, Mikko; Kotiranta, Heikki; Halme, Panu

doi:10.1016/j.funeco.2017.03.003

Cited by 19 publications

(15 citation statements)

References 42 publications

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“…The resource unit size may be important for the fungal community composition found within it (Edman, Kruys, & Jonsson, 2004;Juutilainen, Mönkkönen, Kotiranta, & Halme, 2017). This is especially so for rare or red-listed species, which appear to be confined to larger logs (Edman et al, 2004;Nordén et al, 2013).…”

Section: Resource Unit Sizementioning

confidence: 99%

Handbook for the measurement of macrofungal functional traits: A start with basidiomycete wood fungi

et al. 2018

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Functional traits are widely recognized as a useful framework for testing mechanisms underlying species community assemblage patterns and ecosystem processes. Functional trait studies in the plant and animal literature have burgeoned in the past 20 years, highlighting a need for standardized ways to measure ecologically meaningful traits across taxa and ecosystems. However, standardized measurements of functional traits are lacking for many organisms and ecosystems, including fungi. Basidiomycete wood fungi occur in all forest ecosystems world‐wide, where they are decomposers and also provide food or habitat for other species, or act as tree pathogens. Despite their major role in the functioning of forest ecosystems, the understanding and application of functional traits in studies of communities of wood fungi lags behind other disciplines. As the research field of fungal functional ecology is growing, there is a need for standardized ways to measure fungal traits within and across taxa and spatial scales. This handbook reviews pre‐existing fungal trait measurements, proposes new core fungal traits, discusses trait ecology in fungi and highlights areas for future work on basidiomycete wood fungi. We propose standard and potential future methodologies for collecting traits to be used across studies, ensuring replicability and fostering between‐study comparison. Combining concepts from fungal ecology and functional trait ecology, methodologies covered here can be related to fungal performance within a community and environmental setting. This manuscript is titled “a start with” as we only cover a subset of the fungal community here, with the aim of encouraging and facilitating the writing of handbooks for other members of the macrofungal community, for example, mycorrhizal fungi. A http://onlinelibrary.wiley.com/doi/10.1111/1365-2435.13239/suppinfo is available for this article.

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Section: Resource Unit Sizementioning

confidence: 99%

Handbook for the measurement of macrofungal functional traits: A start with basidiomycete wood fungi

et al. 2018

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“…Moreover, there are many more resource units available for species that utilize FWD. However, for species that are more specialized on rarer dead wood types (see Juutilainen et al 2017), this 108-ha forest offers only a few resource units; thus, total dead wood amount is not always a good proxy of conservation value. Indeed, the diversity of dead wood can be much more important factor for explaining species richness than the amount (Similä et al 2003;Hottola et al 2009;Tikkanen et al 2017).…”

Section: Dead Wood Amountmentioning

confidence: 99%

Dead wood profile of a semi-natural boreal forest - implications for sampling

Halme¹,

Purhonen²,

Marjakangas³

et al. 2019

Silva Fenn.

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Dead wood profile of a forest is a useful tool for describing forest characteristics and assessing forest disturbance history. Nevertheless, dead wood profiles, including both coarse and fine dead wood, are rare as well as studies on the effect of sampling intensity on the dead wood estimates. In a semi-natural boreal forest, we measured every dead wood item over 2 cm in diameter from 80 study plots. From eight plots, we further recorded dead wood items below 2 cm in diameter. Based on these data we constructed the full dead wood profile, i.e. the overall number of dead wood items and their distribution among different tree species, volumes of different size and decay stage categories. We discovered that while the number of small dead wood items was immense, their number dropped drastically from the diameter below 1 cm to diameters 2-3 cm. Different tree species had notably different abundance-diameter distribution patterns: spruce dead wood comprised mainly of the smallest diameter fractions, whereas aspen dead wood had larger share of large-diameter items. Considering volume, most dead wood was large (>10 cm in diameter), out of which 62% was birch. We also observed that the variation in the dead wood estimates was small for the numerically dominant tree species and smallest diameter categories, but high for the sub-dominant tree species and larger size categories. In conclusion, the more the focus of the dead wood inventory is on rare tree species and large dead wood items, the more comprehensive should the sampling be.

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“…Logares et al [158], for example, showed that specialized bacteria are present at the extremes of a salinity gradient, that is, freshwater lakes (salinity 0) and hypersaline lakes (salinity 100). In addition, Juutilainen et al [159] evaluated the habitat specialization of 77 saprophytic fungal species in different boreal forest types and observed that a high level of specialization was associated with deciduous forest types.…”

Section: They Are Habitat Specialists and We Have Not Yet Evaluated mentioning

confidence: 99%

Microbial Diversity: The Gap between the Estimated and the Known

Vitorino

Bessa

2018

Diversity

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Abstract:The ecological and biotechnological services that microorganisms provide to the planet and human society highlight the need to understand and preserve microbial diversity, which is widely distributed, challenging the severity of certain environments. Cataloging this diversity has also challenged the methods that are currently used to isolate and grow microorganisms, because most of the microbiota that are present in environmental samples have been described as unculturable. Factors such as geographic isolation and host preference also hinder the assessment of microbial diversity. However, prejudiced historical practices, including the prioritization of some species of microorganisms merely because they cause diseases, have long shifted research on fungi and bacteria towards medically relevant microorganisms. Thus, most microorganisms that inhabit the planet are still unknown, as is the potential of these species. Current estimates allow us to predict that the diversity of microorganisms that are present in the various terrestrial ecosystems is enormous. However, understanding this diversity is a challenge for the future of microbial ecology research.

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Resource use of wood-inhabiting fungi in different boreal forest types

Cited by 19 publications

References 42 publications

Handbook for the measurement of macrofungal functional traits: A start with basidiomycete wood fungi

Handbook for the measurement of macrofungal functional traits: A start with basidiomycete wood fungi

Dead wood profile of a semi-natural boreal forest - implications for sampling

Microbial Diversity: The Gap between the Estimated and the Known

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