opt_slot

Calculates optimum trophy catch given a slot size over a range of F values. Also, finds Fmax for a cohort given age-at-first recruitment,
age-at-first-entry, slot age, and age at which fish are considered trophy size following Jensen (1981).

misc

Functions for applying a wide range of fisheries stock assessment methods.

Gary Nelson

fishmethods

Fishery Science Methods and Models

opt_slot function

<dl> <dt>M</dt>
<dd>natural mortality</dd> <dt>N</dt>
<dd>cohort size</dd> <dt>recage</dt>
<dd>age-at-first recruitment</dd> <dt>entage</dt>
<dd>age-at-entry into the fishery</dd> <dt>slage</dt>
<dd>upper age of slot for legal fish</dd> <dt>trage</dt>
<dd>age of fish considered trophy size</dd> <dt>stF</dt>
<dd>starting F of range to explore</dd> <dt>endF</dt>
<dd>ending F of range to explore</dd> <dt>intF</dt>
<dd>increment of F</dd></dl>

Arguments

Gary A. Nelson, Massachusetts Division of Marine Fisheries <a href="/link/gary.nelson%40mass.gov?package=fishmethods&version=1.12-1" data-mini-rdoc="fishmethods::gary.nelson@mass.gov">gary.nelson@mass.gov</a>

Author

Optimum Slot and Trophy Size Limits for Recreational Fisheries — opt_slot

<dl>

 <dt>M</dt>
<dd>natural mortality</dd>

 <dt>N</dt>
<dd>cohort size</dd>

 <dt>recage</dt>
<dd>age-at-first recruitment</dd>

 <dt>entage</dt>
<dd>age-at-entry into the fishery</dd>

 <dt>slage</dt>
<dd>upper age of slot for legal fish</dd>

 <dt>trage</dt>
<dd>age of fish considered trophy size</dd>

 <dt>stF</dt>
<dd>starting F of range to explore</dd>

 <dt>endF</dt>
<dd>ending F of range to explore</dd>

 <dt>intF</dt>
<dd>increment of F</dd>

</dl>

Gary A. Nelson, Massachusetts Division of Marine Fisheries <a href='mailto:gary.nelson@mass.gov'>gary.nelson@mass.gov</a>

opt_slot: Optimum Slot and Trophy Size Limits for Recreational Fisheries

Description

Usage

Value

Arguments

Author

Details

References

See Also

Examples