Tasmanian Giant Kelp Harvest Tonnage Returns 1970-71

Harvest returns detail the tonnage, location, date, and trip duration for commercial harvesting of Macrocystis pyrifera (giant kelp) on Tasmania's east coast. Data is aggregated by site for the two-year period of 1970-1971, submitted by licensee Alginates (Australia) P/L to the Tasmanian Lands Department. The Australian Ocean Data Network hosts this historical record.

Use Cases

• Analyze spatial distribution of harvest tonnage across specific sites on the east coast of Tasmania.
• Calculate average harvest yield per trip duration for the 1970-71 period.
• Map historical harvesting pressure on Macrocystis pyrifera populations by location and date.
• Assess compliance and reporting patterns from a single commercial licensee's submitted returns.

Strengths

• Data covers a specific two-year period (1970-71) with site-level aggregation.
• Records include multiple concrete dimensions: tonnage, location, date, and trip length.

Limitations

• Data is limited to only two years (1970-71) despite harvesting occurring from 1964-1973.
• Dataset contains records from only a single commercial licensee, not the entire fishery.
• Row count and total data volume are unknown.

Provenance

Source

Australian Ocean Data Network, originating from Tasmanian Lands Department records.

Collection Method

Submitted harvest returns from Alginates (Australia) P/L as a condition of their commercial license.

Time Range

1970-1971

Freshness

null

Geography

East coast of Tasmania, Australia.