Approximately 300 samples of lichens and mosses were collected from ice-free regions of Livingston Island, focusing on nitrophilous and ornithocoprophilous flora. The study by SCIOPS documented species distribution, community structure, and early lichen symbiosis development in relation to microclimate and rock types. Fieldwork and analysis were conducted with data last updated in February 1992.
Use Cases
- Model species distribution gradients using cartographic survey data for Umbilicaria antarctica, Usnea antarctica, and Parmelia saxatilis.
- Analyze community structure and competition strategies within described bryolichen community plots.
- Study nutrient adaptation by examining data on ornithocoprophilous communities and the noted absence of Caloplaca regalis.
- Correlate lichen succession patterns with geomorphological data for dating recent moraines and beaches.
- Map the distribution of phanerogams Colobanthus quitensis and Deschampsia antarctica alongside lichen species at a 1:5000 scale.
Strengths
- Approximately 300 collected samples of lichens and mosses from multiple specific sites.
- Includes detailed distribution maps produced at a 1:5000 scale for key species.
Limitations
- Data is from a single field campaign with a last update in 1992, indicating temporal staleness.
- Sample size of 300 may be limited for broad statistical modeling across diverse microclimates.
- Geographic scope is restricted to specific ice-free regions of Livingston Island.
Provenance
- Source
- SCIOPS via NASA EarthData.
- Collection Method
- Field collection of biological samples, cartographic surveys, and plot description/photography.
- Time Range
- Field study circa 1992.
- Freshness
- null
- Geography
- Livingston Island, Antarctica (Byers Peninsula, Hurd Peninsula, False Bay, Juan Carlos I base area).