TGB Osborn Vegetation Reserve: Photopoint Surveys from 1926 to 2024

Photographs taken approximately annually from 1926 until 2024 at set positions in the TGB Osborn Vegetation Reserve by University of Adelaide staff and students. The digital record includes observations from 1907 and photographs up to 2008, with annotations for plant species identification, counts, and occasional measurements of canopy diameter, height, and mortality status. This is version 2.1 of the data release, updated in 2026.

Use Cases

• Analyze long-term vegetation change based on annotated annual photographs.
• Study plant species population dynamics based on identified species and counts.
• Model plant growth and mortality based on recorded canopy diameter, height, and status measurements.
• Conduct visual phenology studies based on the multi-directional and color/black-and-white imagery.

Strengths

• Nearly a century of annual photographic surveys from 1926 to 2024.
• Includes annotations for plant species identification and counts.
• Occasional physical measurements like canopy diameter and plant height are recorded.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The digital photographic record currently ends in 2008, while annotations may extend to 2024.

Provenance

Source

Terrestrial Ecosystem Research Network's Data Discovery Portal.

Collection Method

Annual photopoint surveys conducted by University of Adelaide staff and students.

Time Range

Observations from 1907, photographs from 1926 to 2024 (digital photographs to 2008).

Freshness

Last updated 2026-04 17 21:42:59.576612; freshness should be verified.

Geography

TGB Osborn (Koonamore) Vegetation Reserve, Australia.