5 research outputs found
The epiphyllous habit in the hepatic genus Frullania
We report for the first time 11 species of Frullania growing as epiphylls in New Zealand, New Caledonia, and Colombia . Also listed are 29 Frullania species that have previously been recorded growing as epiphylls in other regions of the world. The highest diversity of Frullania epiphyllous species are in the floristic regions of New Zealand, New Caledonia, Macraonesia, and Madagascar. Frullania epiphylls range in altitude from sea-level to 2500m and can be categorised into facultative or accidental epiphylls. The number of Frullania species currently recorded growing as epiphylls will no doubt increase as more revisions of the genus in different floristic regions take place. This number may also increase if botanists were to explore leaf surfaces as a potential substrate for Frullania species, in addition to bark and rock habitats that have traditionally been described as microhabitats for the genus
Using citizen science to bridge taxonomic discovery with education and outreach
PREMISE OF THE STUDY:
Biological collections are uniquely poised to inform the stewardship of life on Earth in a time of cataclysmic biodiversity loss. Efforts to fully leverage collections are impeded by a lack of trained taxonomists and a lack of interest and engagement by the public. We provide a model of a crowd-sourced data collection project that produces quality taxonomic data sets and empowers citizen scientists through real contributions to science.Entitled MicroPlants, the project is a collaboration between taxonomists, citizen science experts, and teachers and students from universities and K–12.
METHODS:
We developed an online tool that allows citizen scientists to measure photographsof specimens of a hyper-diverse group of liverworts from a biodiversity hotspot.
RESULTS:
Using the MicroPlants online tool, citizen scientists are generating high-quality data,with preliminary analysis indicating non-expert data can be comparable to expert data.
DISCUSSION:
More than 11,000 users from both the website and kiosk versions have contributed to the data set, which is demonstrably aiding taxonomists working toward establishing conservation priorities within this group. MicroPlants provides opportunities for public participation in authentic science research. The project’s educational component helps move youth toward engaging in scientific thinking and has been adopted by several universities into curriculum for both biology and non-biology majors
Using Citizen Science to Bridge Taxonomic Discovery with Education and Outreach
Premise of the Study
Biological collections are uniquely poised to inform the stewardship of life on Earth in a time of cataclysmic biodiversity loss. Efforts to fully leverage collections are impeded by a lack of trained taxonomists and a lack of interest and engagement by the public. We provide a model of a crowd‐sourced data collection project that produces quality taxonomic data sets and empowers citizen scientists through real contributions to science. Entitled MicroPlants, the project is a collaboration between taxonomists, citizen science experts, and teachers and students from universities and K–12. Methods
We developed an online tool that allows citizen scientists to measure photographs of specimens of a hyper‐diverse group of liverworts from a biodiversity hotspot. Results
Using the MicroPlants online tool, citizen scientists are generating high‐quality data, with preliminary analysis indicating non‐expert data can be comparable to expert data. Discussion
More than 11,000 users from both the website and kiosk versions have contributed to the data set, which is demonstrably aiding taxonomists working toward establishing conservation priorities within this group. MicroPlants provides opportunities for public participation in authentic science research. The project\u27s educational component helps move youth toward engaging in scientific thinking and has been adopted by several universities into curriculum for both biology and non‐biology majors
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One thousand plant transcriptomes and the phylogenomics of green plants
Abstract: Green plants (Viridiplantae) include around 450,000–500,000 species1, 2 of great diversity and have important roles in terrestrial and aquatic ecosystems. Here, as part of the One Thousand Plant Transcriptomes Initiative, we sequenced the vegetative transcriptomes of 1,124 species that span the diversity of plants in a broad sense (Archaeplastida), including green plants (Viridiplantae), glaucophytes (Glaucophyta) and red algae (Rhodophyta). Our analysis provides a robust phylogenomic framework for examining the evolution of green plants. Most inferred species relationships are well supported across multiple species tree and supermatrix analyses, but discordance among plastid and nuclear gene trees at a few important nodes highlights the complexity of plant genome evolution, including polyploidy, periods of rapid speciation, and extinction. Incomplete sorting of ancestral variation, polyploidization and massive expansions of gene families punctuate the evolutionary history of green plants. Notably, we find that large expansions of gene families preceded the origins of green plants, land plants and vascular plants, whereas whole-genome duplications are inferred to have occurred repeatedly throughout the evolution of flowering plants and ferns. The increasing availability of high-quality plant genome sequences and advances in functional genomics are enabling research on genome evolution across the green tree of life