THEMEDA TRIANDRA APP FOR LESOTHO

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Here is some information about Themeda triandra, commonly known as kangaroo grass:

Description:

  • A perennial, tufted grass that can grow up to 1.5 meters tall.
  • Leaves are narrow and green, turning orange-brown in summer.
  • Flowers are red-brown spikelets that appear in branched stems in summer.
  • Found in Africa, Australia, Asia, and the Pacific Islands.

Habitat:

  • Grows in grasslands, woodlands, and other open areas.
  • Prefers well-drained, sandy soils.
  • Tolerant of drought and fire.

Uses:

  • Important forage grass for livestock and wildlife.
  • Used for erosion control and revegetation projects.
  • Ornamental grass used in landscaping.

Interesting facts:

  • The name "kangaroo grass" comes from the fact that kangaroos eat it.
  • The long awns on the spikelets help to disperse the seeds.
  • Themeda triandra is an indicator species for healthy grasslands.

Here's a summary of the Themeda Shiny app:

Purpose:

  • Visualizes data on Themeda triandra species (red grass) in Lesotho.
  • Intended users include botanists, conservationists, environmentalists, and those interested in grassland science.

Data Source:

  • Global Biodiversity Information Facility (GBIF)

Key Features:

  • About the App: Provides general information about the app and its purpose.
  • Taxon Ranks: Displays the taxonomic ranks (family, order, genus, species) of Themeda triandra based on the dataset.
  • Recorders: Lists the individuals who recorded Themeda triandra observations in Lesotho.
  • Themeda Map: Displays an interactive map of Lesotho, showing the locations where Themeda triandra has been observed.
  • Designer Information: Provides contact information for the app's designer.

User Interaction:

  • Users can interact with the app using checkboxes in the sidebar panel to control which information is displayed.

Technical Details:

  • Built using the Shiny framework for R.
  • Utilizes libraries including shiny, DT, bslib, dplyr, ggplot2, ggridges, graphics, leaflet, raster, sf, and shinythemes.

Additional Notes:

  • The app's title is "SEBOKU APP".
  • It uses a dark "cyborg" theme.
  • It includes a copyright notice and designer information.

Click below to access the app

Themeda Web App 

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