Ecology and distribution of myxomycetes

Novozhilov, Yuri K.; Rollins, Adam W.; Shchepin, Oleg N.; Schnittler, Martin

doi:10.1016/b978-0-12-824281-0.00010-5

Cited by 6 publications

(2 citation statements)

References 175 publications

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“…With the trends in habitat bioindicators currently being associated with microbial assemblages due to the ease and conventionality in their isolation and cultivation contrary to macroorganisms, slime molds have been a consistent model for many rapid ecological studies focusing on ecosystem management (Novozhilov et al 2022). Ecological relationships of these slime molds have diverted researchers' attention, specifically studying myxomycetes' ability to be microbial bioindicators towards environmental factors.…”

Section: Discussionmentioning

confidence: 99%

Rapid diversity assessment of litter myxomycete assemblages in the upland and coastal terrains of San Fernando City, La Union, Philippines

BALAORO-BANZUELA,

OCENAR-BAUTISTA,

BUEBOS-ESTEVE

et al. 2023

Biodiversitas

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Abstract. Balaoro-Banzuela RC, Ocenar-Bautista CE, Buebos-Esteve DE, Claudio-Paragas CY, Limbo-Dizon JE, Dagamac NHA. 2023. Rapid diversity assessment of litter myxomycete assemblages in the upland and coastal terrains of San Fernando City, La Union, Philippines. Biodiversitas 24: 2877-2886. Over the past few years, increasing studies have been on diversity assessments of myxomycetes in the Philippines. Despite these, their utility as bioindicators to evaluate approaches for sustainable ecosystem management remains largely unexplored. Following the ridge-to-reef (R2R) approach, a comparative diversity assessment was conducted between the upland and coastal terrains of San Fernando City, La Union, Philippines. Aerial and ground litter were haphazardly collected and cultivated at ambient conditions using the moist chamber (MC) technique. MCs were highly productive, exhaustively yielding a total of 27 distinct species belonging to 10 different genera. Regarding abundance, 15 species were rare, and four were occasional, common, and abundant. Both species richness and occurrence of rare taxa were higher in the upland terrain than in the coastal terrain. However, several ?-diversity indices hinted at no significant difference in species diversity between terrains and substrates. At the community level, clustering analyses and other ?-diversity indices revealed that myxomycete assemblages were more similar in terrain than the substrate. This study implicates using myxomycetes as proxy biological models to reflect the ecological influences of plant heterogeneity and human-mediated disturbance. This allows its integration into local policymaking with adherence to R2R management.

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Section: Discussionmentioning

confidence: 99%

Rapid diversity assessment of litter myxomycete assemblages in the upland and coastal terrains of San Fernando City, La Union, Philippines

BALAORO-BANZUELA,

OCENAR-BAUTISTA,

BUEBOS-ESTEVE

et al. 2023

Biodiversitas

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Myxomycetes on the bark of living <i>Metasequoia glyptostroboides</i> trees and their distribution along a rural-urban gradient

TAKAHASHI

2024

Mycoscience

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Myxomycetes are fungus-like amoeboid protists that primarily inhabit plant detritus and humus in terrestrial ecosystems (Stephenson, 2011), preferring habitats such as dead wood, litter, soil, and living tree bark, based on differences in the substrates and microenvironments (Novozhilov et al., 2022). Their fruited sporangia mostly disperse spores by wind (Kamono et al., 2009) and reproduce on various substrates. Some species known as bark-dwelling myxomycetes (corticolous myxomycetes) extend their habitat to the bark surface of living trees, where they complete their life cycle (Keller & Brooks, 1973). Although these species mostly possess minute fruiting bodies with an ephemeral existence and are rarely observed in the field, they can be reliably detected using the moist chamber culture technique (Michell, 1977).Trees of the species Metasequoia glyptostroboides Hu et W. C. Cheng were found as fossils from the Cretaceous by Dr. Shigeru Miki (Tsukagoshi et al., 2011) and later discovered as an extant plant in China (Hu, 1946;Hu & Cheng, 1948); the species is therefore regarded as a "living fossil." Even though the species became extinct in the Japanese archipelago during the 4 th Cenozoic period (Momohara, 2011), present specimens in Japan derive from 100 seedlings that were a present from Dr. R. W. Chaney from the USA (Tsukagoshi et al., 2011). The species was then propagated to schools, companies, and the public through cuttings planted throughout the country and was used as a garden and roadside tree in green areas in conurbations, local cities, rural areas, and in afforestation to examine its usefulness for timber production (Tsukagoshi, 2016). The bark surface provides a habitat for many myxomycetes that grow on bark surface (Takahashi, 2014).Urbanization is presumed to cause various environmental changes (Grimm et al., 2008;Güneralp & Seto, 2013) along with habitat loss and fragmentation, resulting in impacts on biodiversity and ecological processes (Liu et al., 2016). Urbanization has increased globally and is rapidly spreading. The urban population in three conurbations in Japan is expected to reach 56.7% of the country's total population by 2050 (Ministry of Internal Affairs and Communications, www.soumu.go.jp). Understanding the effects of urbanization on biodiversity is thus of vital importance. Although the effects of urbanization on species richness have been studied and discussed for large visible plants, animals, birds, and arthropods (Faeth et al., 2011;McKinney, 2008), the importance of saproxylic microbes and the effects of urbanization on microbial diversity remain to be studied in detail (Korhonen et al., 2022). As a great variety of microbes, such as bacteria, fungi, and viruses, including the protozoan myxomycetes, inhabit human living spaces,

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The home-field advantage of litter decomposition in lake wetlands and the community characteristics of bacterial and eukaryotic decomposers

Cai

Zhong

et al. 2022

Plant Soil

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Ecology and distribution of myxomycetes

Cited by 6 publications

References 175 publications

Rapid diversity assessment of litter myxomycete assemblages in the upland and coastal terrains of San Fernando City, La Union, Philippines

Rapid diversity assessment of litter myxomycete assemblages in the upland and coastal terrains of San Fernando City, La Union, Philippines

Myxomycetes on the bark of living <i>Metasequoia glyptostroboides</i> trees and their distribution along a rural-urban gradient

The home-field advantage of litter decomposition in lake wetlands and the community characteristics of bacterial and eukaryotic decomposers

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