Digital Hemispherical Photography for Vegetation Cover at Alice Mulga SuperSite

Digital Hemispherical Photography (DHP) upward-looking images capture vegetation and crown cover at the Alice Mulga SuperSite. Images are collected twice per year in a 20 m grid within a core hectare plot and are used to estimate Leaf Area Index (LAI). The dataset is provided by the Terrestrial Ecosystem Research Network's Data Discovery platform.

Use Cases

• Estimate Leaf Area Index (LAI) based on upward-looking hemispherical images.
• Monitor vegetation and crown cover changes over time based on biannual collection.
• Study the structure of mixed Acacia aneura and Acacia aptanura woodlands based on site description.
• Analyze relationships between canopy cover and environmental variables like precipitation based on provided site metrics.

Strengths

• Images are collected on a structured 20 m grid within a core hectare plot.
• Collection occurs twice per year, enabling temporal analysis.
• Site metadata includes specific biomass (32.5 t/ha), canopy height (4.3 m median), and precipitation data (311 mm mean annual).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Terrestrial Ecosystem Research Network's Data Discovery

Collection Method

Digital Hemispherical Photography (DHP) images captured from fixed upward-looking cameras.

Freshness

Last updated 2026-06-10 20:33:26.479999; freshness should be verified.

Geography

Alice Mulga SuperSite, Pine Hill cattle station, approximately 170km north of Alice Springs, Northern Territory, Australia.