Annual Photopoint Images Of Calperum Mallee Vegetation Plot

This collection consists of annual high-quality digital reference images for a 1-hectare core vegetation plot, captured using a five-point photopoint method. Each annual set comprises twenty images: four from each plot corner facing cardinal points and four from the plot center facing each corner. The site was established in 2011 and is located on Calperum Station, featuring mallee woodland, Callitris woodland, and a river floodplain.

Use Cases

• Monitor vegetation layout and changes over time by analyzing the annual set of twenty images from cardinal points and plot center.
• Provide visual context for ecological research by using the high-quality digital site reference images of the 1-hectare plot.
• Study post-fire recovery in the mallee woodland plot, which was burnt in 2014, using the annual image time series.
• Assess floodplain recovery from extensive grazing in the river floodplain area through visual comparison of annual images.

Strengths

• Provides a consistent annual time series of site images since the site's establishment in 2011.
• Each annual collection consists of a standardized set of twenty images from defined cardinal and center points.
• Images are high-quality digital references specifically for a core 1-hectare vegetation research plot.

Limitations

• The exact number of images (total rows) and file sizes are unknown.
• Images are provided in PNG format without accompanying structured metadata columns for automated analysis.
• The collection is specific to one research site, limiting geographic generalizability.

Provenance

Source

Terrestrial Ecosystem Research Network's Data Discovery

Collection Method

Images captured annually using the five-point photopoint method at fixed locations within the plot.

Time Range

Annual collections since site establishment in 2011.

Freshness

Updated annually; last metadata update was 2026-03-20.

Geography

Calperum Station, South Australia, featuring mallee woodland, Callitris woodland, and a river floodplain plots.