Aquatic hyphomycetes on leaf litter in and near a stream in Nova Scotia, Canada

Sridhar, Kandikere R.; Bärlocher, Feli×

doi:10.1016/s0953-7562(09)80229-3

Cited by 32 publications

(17 citation statements)

References 29 publications

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“…In a similar study in Nova Scotia, Canada, Sridhar and B€ arlocher (1993) found a total of 33 species with multiradiate or sigmoid spores, and 26 species from the stream itself. The number of species per site was highest on leaves collected from the stream, followed by leaves from two periodically flooded sites and finally from sites farthest from the stream that were never covered by water.…”

Section: Forest Floormentioning

confidence: 91%

“…This includes submerging detritus in distilled water for direct microscopic observation of conidia or conidiophores (e.g., Webster, 1977). Detached conidia can be concentrated by floatation (Bandoni, 1972(Bandoni, , 1974(Bandoni, , 1981Sridhar and B€ arlocher, 1993). It is generally unknown how many of these conidia are viable.…”

Section: Approaches and Tools To Detect Aquatic Hyphomycetesmentioning

confidence: 99%

“…tetracladia, which is common on leaves decaying in streams and has often been reported from terrestrial and semi-aquatic habitats, has two spore shapes. The angulata form is more common at terrestrial and the tetracladia form dominates at aquatic sites (Sridhar and B€ arlocher, 1993). Another species with an apparently flexible strategy is Spirosphaera dimorpha (Marvanov a and B€ arlocher, 1998).…”

Section: Approaches and Tools To Detect Aquatic Hyphomycetesmentioning

confidence: 99%

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Beyond the water column: aquatic hyphomycetes outside their preferred habitat

et al. 2016

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b s t r a c tAquatic hyphomycetes have adapted to running waters by their uncommon conidial shape, which facilitates dispersal as well as adherence to plant substrata. However, they have been early and regularly reported to occur in a variety of environments other than their preferred habitat (e.g., in lentic freshwaters, brackish and marine environments, in terrestrial niches such as stream banks, dew, canopy waters and tree holes). In addition, several aquatic hyphomycetes have adapted to a mutualistic lifestyle which may involve plant defence, as endophytes in leaves, gymnosperm needles, orchids and terrestrial roots.There are several lines of evidence suggesting that aquatic hyphomycetes survive under terrestrial conditions due to their sexual states. Although exhibiting higher diversity in pristine streams, aquatic hyphomycetes can survive environmental stress, e.g., pollution or river intermittency. They also inhabit ground and hyporheic waters, where they appear to be subjected to both physical and physiological selection. Appropriate methods including molecular ones should provide a more comprehensive view of the occurrence and ecological roles of aquatic hyphomycetes outside their preferred habitat.

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Section: Forest Floormentioning

confidence: 91%

Section: Approaches and Tools To Detect Aquatic Hyphomycetesmentioning

confidence: 99%

Section: Approaches and Tools To Detect Aquatic Hyphomycetesmentioning

confidence: 99%

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Beyond the water column: aquatic hyphomycetes outside their preferred habitat

et al. 2016

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“…The roots of Drynaria screened in our study were partially live, thus, the number of species and conidial output were fewer than those found in dead bracket leaves or trapped leaves. The overall conidial output from tissues of Drynaria and trapped leaf litter although not equivalent to stream leaf litter, it is comparable to the dry leaf litter on stream banks (Sridhar, Bärlocher 1993) and the species richness was between 40% (Konaje stream) and 75% (Sampaje stream). Except for rhizome, the conidial output in rest of the substrates showed significant difference between summer and monsoon in Konaje, but it was not so in Sampaje possibly due to cooler conditions.…”

Section: Resultsmentioning

confidence: 87%

“…44 (1): 19-27 2009 perfect states by conventional (Webster, Descals 1979;Goos 1987;Webster 1992;Sivichai, Jones 2003;Zhao et al 2007) and molecular techniques (Belliveau, Bärlo-cher 2005;Campbell et al 2006;Tsui, Barbee 2006). Besides aquatic habitats, water-borne hyphomycetes are also known from terrestrial habitats (e.g., soil, leaf litter, roots, leaf surfaces) (Sridhar, Bärlocher 1993;Bärlocher 2006). Forest canopies represent a broad group of fungi (e.g.…”

Section: Introductionmentioning

confidence: 99%

Association of water-borne conidial fungi with epiphytic tree fern (Drynaria quercifolia)

Karamchand

Sridhar

2013

Acta Mycol

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The live and dead tissues, and trapped leaf litter by the epiphytic tree fern Drynaria quercifolia associated with riparian tree species of Konaje (west coast) and Sampaje (Western Ghat) streams of India during dry (summer) and wet (monsoon) seasons yielded 37 species of water-borne conidial fungi on bubble chamber incubation. Dead bracket leaves of fern possess the highest species as well as conidia in Konaje, while the trapped leaf litter in Sampaje. During summer, the diversity was highest in bracket leaves in both locations, while in monsoon season it was highest in rhizomes of Konaje and in trapped leaf litter in Sampaje. Even though the conidial output from tissues of Drynaria and trapped leaf litter were not equivalent to stream submerged leaf litter, the species richness ranged between 40% and 75% in Konaje and Sampaje streams. As stable epiphyte, Drynaria exposed to wet and dry regimes in tree canopies of west coast and Western Ghats likely to serve as host for perfect states of water-borne hyphomycetes.

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Water Fungi as Decomposers in Freshwater Ecosystems

Gessner¹,

Ryckegem

2003

Encyclopedia of Environmental Microbiology

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An Overview of Fungal Systematics Diversity, Distribution and Dispersal The Mycelial Growth Form Sources of Organic Matter Leaf Litter Decomposers in Streams Wood Decomposers in Streams Decomposers in Freshwater Marshes

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Aquatic hyphomycetes on leaf litter in and near a stream in Nova Scotia, Canada

Cited by 32 publications

References 29 publications

Beyond the water column: aquatic hyphomycetes outside their preferred habitat

Beyond the water column: aquatic hyphomycetes outside their preferred habitat

Association of water-borne conidial fungi with epiphytic tree fern (Drynaria quercifolia)

Water Fungi as Decomposers in Freshwater Ecosystems

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