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Crown closure affects endophytic leaf mycobiome compositional dynamics over time in Pseudotsuga menziesii var. menziesii

Title data

Gervers, Kyle A. ; Thomas, Daniel C. ; Roy, Bitty A. ; Spatafora, Joseph W. ; Busby, Posy E.:
Crown closure affects endophytic leaf mycobiome compositional dynamics over time in Pseudotsuga menziesii var. menziesii.
In: Fungal Ecology. Vol. 57-58 (2022) . - No. 101155.
ISSN 1754-5048
DOI: https://doi.org/10.1016/j.funeco.2022.101155

Abstract in another language

Old-growth Pseudotsuga menziesii var. menziesii forests produce complex environmental and spatial gradients along which biota assemble. Given this, it has been proposed that changes in the crown microenvironment are associated with different community assembly outcomes for needle fungi. Using high-throughput sequencing, the endophytic mycobiomes of needles were characterized for increasing ages of needles sampled along the boles of eight coastal Douglas-fir trees. Leveraging airborne light detection and ranging (LiDAR) data to create three-dimensional “point cloud” representations of tree crowns revealed that crown closure accounted for more fungal compositional variation than height in crown, and fungal richness and diversity were positively correlated with increasing crown closure. Supplementing the point clouds of each climbed tree with clouds from >5,000 randomly selected trees in the study area showed that fungal communities from closed portions of the crown were increasingly structured with needle age. These findings highlight the importance of the crown microenvironment in the development of foliar fungal communities for a foundation tree species.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Nothophaeocryptopus; Rhabdocline; Fungi; Endosphere; Old-growth; Community ecology; ITS; Metabarcoding; Airborne LiDAR
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Ecological Microbiology > Chair Ecological Microbiology - Univ.-Prof. Dr. Tillmann Lüders
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 570 Life sciences, biology
Date Deposited: 03 May 2022 07:28
Last Modified: 03 May 2022 07:37
URI: https://eref.uni-bayreuth.de/id/eprint/69531