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Inventory of chytrid diversity in two temporary forest ponds using a multiphasic approach
William J Davis1, Kathryn T Picard2, Jonathan Antonetti1
1a Department of Biological Sciences , University of Alabama , Tuscaloosa , Alabama 35487.
Mycologia
|October 3, 2018
Summary
Chytrid fungi, crucial decomposers, were diverse in temporary forest ponds. Their community composition varied significantly across seasons, highlighting the need for further research into these unique aquatic ecosystems.
Area of Science:
- Ecology
- Mycology
- Limnology
Background:
- Food webs in temporary forest ponds rely on decomposing terrestrial matter.
- Chytrid fungi are key decomposers in aquatic ecosystems, impacting food web stability.
- Knowledge gaps exist regarding chytrid fungal diversity in temporary forest ponds.
Purpose of the Study:
- To inventory chytrid fungal diversity in temporary forest ponds.
- To analyze spatial and temporal factors influencing chytrid alpha and beta diversity.
- To understand the ecological role of chytrids in these ephemeral aquatic habitats.
Main Methods:
- Utilized light microscopy of baited samples to identify chytrids.
- Employed Ion Torrent sequencing of environmental DNA for comprehensive chytrid detection.
- Quantified chytrid diversity metrics (alpha and beta) across spatial and temporal gradients.
Main Results:
- Identified a total of 59 chytrid taxa across the two studied ponds.
- Observed significant variations in fungal and chytrid beta diversity across different months.
- Detected shifts in fungal community composition, though not statistically significant after adjustments.
Conclusions:
- Temporary forest ponds harbor a rich diversity of chytrid fungi.
- Chytrid communities exhibit distinct spatial and temporal dynamics in these ponds.
- Further research is essential to elucidate the ecological significance of chytrids in temporary forest pond ecosystems.
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