Disturbance and diversity of wood-inhabiting fungi: effects of canopy gaps and downed woody debris

Brazee, Nicholas J.; Lindner, Daniel L.; D’Amato, Anthony W.; Fraver, Shawn; Forrester, Jodi A.; Mladenoff, David J.

doi:10.1007/s10531-014-0710-x

Cited by 80 publications

(46 citation statements)

References 64 publications

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“…This is probably because deadwood is rarely removed in polyculture smallholdings. Previous studies have reported that saprotrophic fungi are more strongly associated with substrate availability than canopy cover (Robert, Ceska, Kroeger, & Kendrick, ; Santos‐Silva, Gonçalves, & Louro, ), and substrates are known to be important in maintaining a diverse community of fungi (Bader, Jansson, & Jonsson, ; Brazee et al., ; Heilmann‐Clausen & Christensen, ; Nordén, Ryberg, Götmark, & Olausson, ). For example, results from a study in Sarawak, Malaysia found that fungal species density increased with increasing number of substrates (such as coarse woody debris; Yamashita et al., ).…”

Section: Discussionmentioning

confidence: 99%

Logged peat swamp forest supports greater macrofungal biodiversity than large‐scale oil palm plantations and smallholdings

Shuhada

Salim

Nobilly

et al. 2017

Ecology and Evolution

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Intensive land expansion of commercial oil palm agricultural lands results in reducing the size of peat swamp forests, particularly in Southeast Asia. The effect of this land conversion on macrofungal biodiversity is, however, understudied. We quantified macrofungal biodiversity by identifying mushroom sporocarps throughout four different habitats; logged peat swamp forest, large‐scale oil palm plantation, monoculture, and polyculture smallholdings. We recorded a total of 757 clusters of macrofungi belonging to 127 morphospecies and found that substrates for growing macrofungi were abundant in peat swamp forest; hence, morphospecies richness and macrofungal clusters were significantly greater in logged peat swamp forest than converted oil palm agriculture lands. Environmental factors that influence macrofungi in logged peat swamp forests such as air temperature, humidity, wind speed, soil pH, and soil moisture were different from those in oil palm plantations and smallholdings. We conclude that peat swamp forests are irreplaceable with respect to macrofungal biodiversity. They host much greater macrofungal biodiversity than any of the oil palm agricultural lands. It is imperative that further expansion of oil palm plantation into remaining peat swamp forests should be prohibited in palm oil producing countries. These results imply that macrofungal distribution reflects changes in microclimate between habitats and reduced macrofungal biodiversity may adversely affect decomposition in human‐modified landscapes.

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Section: Discussionmentioning

confidence: 99%

Logged peat swamp forest supports greater macrofungal biodiversity than large‐scale oil palm plantations and smallholdings

Shuhada

Salim

Nobilly

et al. 2017

Ecology and Evolution

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“…For all data sets, the model that produced the highest -lnL score was the general time reversible (GTR) substitution model [35]. Sequences generated in this study were combined with data from previous studies [7,9,12,36,57]. Information for these isolates is provided in Table 1.…”

Section: Sequence Alignment and Phylogenetic Analysismentioning

confidence: 99%

Phylogenetic Relationships among Species of Phellinus sensu stricto, Cause of White Trunk Rot of Hardwoods, from Northern North America

Brazee

2015

Forests

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Species in Phellinus s.s. are some of the most important wood-decaying fungal pathogens in northern temperate forests, yet data on species incidence in North America remains limited. Therefore, phylogenetic analyses were performed using four loci (ITS, nLSU, tef1 and rpb2) with isolates representing 13 species. Results of phylogenetic analyses using maximum likelihood and Bayesian inference revealed that eight species of

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“…1400 decay stakesstandard-sized wood stakes for which initial density and dry mass were knownof three species were placed in various sites and treatments to assess variability in stake decay rates as a function of site conditions and local fungal communities. Sites and treatments included a continuum of open-to closed-canopy conditions, creating a range of moisture and light availability; for details, see Kurth et al (2014) and Brazee et al (2014). Multiple stakes at each site-treatment location were deployed in 2010 with the intent of collecting subsets of them at two-year intervals over eight years.…”

Section: Methodsmentioning

confidence: 99%

“…Such studies typically involve inoculation of sound wood with selected fungi, followed by laboratory incubation for specified periods and ultimately strength tests (Witomski et al 2016). Our study differs in that wood samples were placed in natural forest settings and thus were colonized by a range of resident wood-decay fungi known from these sites (Brazee et al 2012(Brazee et al , 2014.…”

Section: Introductionmentioning

confidence: 99%

Woody material structural degradation through decomposition on the forest floor

et al. 2018

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Dead woody material (DWM) plays numerous important roles in forest ecosystems; however, through the process of decomposition, it undergoes structural and chemical changes that progressively alter its function in these roles. Much remains unknown about how DWM mechanical strength and structural integrity change through decomposition in natural forest settings. We assessed changes in wood strength (bending strength, compressive strength, and surface hardness) using standard wood stakes of known initial mass from three species. The stakes were placed in forested settings for two and four years before collection for laboratory analyses. All three strength metrics decreased as stakes lost mass due to decay; however, bending strength had the strongest relationship with mass loss, a result that was consistent for all species, as well as species-pooled data. Results for all strength-loss metrics indicate that stakes had experienced ca. 10% strength loss before any detectable mass loss had occurred. Further, our results suggest that the decay class system typically used during field inventories — based in large part on tactile assessments of wood structural integrity — may provide a reasonable characterization of DWM mass loss, which is a critical assumption for carbon accounting and modelling based on inventory data.

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Disturbance and diversity of wood-inhabiting fungi: effects of canopy gaps and downed woody debris

Cited by 80 publications

References 64 publications

Logged peat swamp forest supports greater macrofungal biodiversity than large‐scale oil palm plantations and smallholdings

Logged peat swamp forest supports greater macrofungal biodiversity than large‐scale oil palm plantations and smallholdings

Phylogenetic Relationships among Species of Phellinus sensu stricto, Cause of White Trunk Rot of Hardwoods, from Northern North America

Woody material structural degradation through decomposition on the forest floor

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