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Fishing · Catch & effort · Effort

Fishing effort

5,925 pot lifts

The total number of pot lifts worked to take your quota over the year. Divided into catch it gives CPUE; multiplied by cost per lift it drives your fuel, bait and labour bill.

Worked example · Pot lifts by month · season shape
Peak season Summer lull Mar Aug Feb
Pot lifts by month · season shape
The benchmark

Effort and catch rate are inversely correlated through the fishery’s history — as abundance falls, more pot lifts are needed to take the same quota.

IMAS Tas Fisheries ↗
What it signals

Effort is the input you actually control. Watching lifts against catch tells you when the grounds are tiring — needing ever more effort per kilo — and when to shift ground, change depth, or hold off for better conditions rather than burning fuel for a thin return.

Data required to calculate
Pot lifts by tripno.Days fisheddays

Silo pulls each of these from the sources the operation already uses, and keeps the figure current automatically.

How to improve it
01

Concentrate lifts where catch rate is genuinely higher.

02

Match soak time to the grounds to lift catch per lift.

03

Avoid over-working tired ground that needs more lifts per kilo.

Questions & answers

What is fishing effort?

The total number of pot lifts worked to take your quota over the year. Divided into catch it gives CPUE; multiplied by cost per lift it drives your fuel, bait and labour bill.

What data do you need to calculate fishing effort?

You need: Pot lifts by trip (no.), Days fished (days). Silo pulls each of these from the sources the operation already uses and keeps the figure current automatically.

What is a good fishing effort benchmark?

Effort and catch rate are inversely correlated through the fishery’s history — as abundance falls, more pot lifts are needed to take the same quota.

How do you improve fishing effort?

Concentrate lifts where catch rate is genuinely higher. Match soak time to the grounds to lift catch per lift. Avoid over-working tired ground that needs more lifts per kilo.

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