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Systematics Lab (Joel Nitta)
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The lab investigates the evolution and ecology of ferns and lycophytes using phylogenetic trees and data analysis.
AboutAbout the lab
Tracing the evolution and ecology of ferns and lycophytes
This lab studies the evolution and ecology of ferns and lycophytes.
The fern plants one usually sees are "sporophytes," but ferns have another life stage, the "gametophyte," which is usually less than 1 cm long.
Both live independently, which is a fundamental difference from other land plants.
The lab investigates how this life cycle affects community assembly and ecology.
Key terms
- Sporophyte
- In ferns, the generation that bears the leaves usually seen. It has two sets of chromosomes
- Gametophyte
- The other generation of ferns. It is usually less than 1 cm long and lives independently of the sporophyte
- Phylogenetic analysis
- A method of estimating how closely organisms are related from genetic and other data, and reconstructing the course of their evolution
ResearchResearch themes
The lab studies the evolution and ecology of ferns and lycophytes from the perspectives of community ecology, biodiversity, and phylogenetic analysis. Its research topics include building a system to keep updating the phylogeny and classification of all ferns and lycophytes, the biogeography of ferns endemic to Japan, and biodiversity analysis using the R programming language.
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MembersFaculty
- Associate ProfessorJoel Nitta
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Fern Carpet ( )” Nicholas A. Tonelli from Northeast Pennsylvania, USA / CC BY 2.0 (cropped)
- Fern life cycles and communities: “Fern young sporophyte WM 1” Curtis Clark / CC BY-SA 3.0 (cropped)
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