Length_Weight

A dataframe of example length-weight data for two areas (AREA1
and AREA2) from 2014 - 2019.

datasets

Provides functions to calculate indicators for four marine ecosystem attributes (Biodiversity, Ecosystem Structure and Functioning, Ecosystem Stability and Resistance to Perturbations, Resource Potential) and one marine ecosystem pressure (Fishing Pressure) from fishery independent trawl survey data and commercial landings data. All indicators were selected and evaluated using the <e2><80><9c>Indicator Selection Guidance Framework<e2><80><9d> developed by Bundy, Gomez, and Cook (2017, ISBN: 978-0-660-23573-8).

Danielle Dempsey

marindicators

Marine Ecosystem and Fishing Pressure Indicators

Adam Cook

Catalina Gomez

Alida Bundy

Length_Weight function

This example data is a dataframe with 98 436 rows and 5 variables:<dl class="dl-horizontal">
<dt>YEAR</dt><dd>Year the observation was recorded</dd> <dt>ID</dt><dd>Area
 where the observation was recorded</dd> <dt>SPECIES</dt><dd>Numeric code indicating
 the species sampled</dd> <dt>LENGTH</dt><dd>Length (class)1 cm intervals)</dd>
 <dt>WEIGHT</dt><dd>Corresponding weight of sampled fish</dd> </dl>

Format

Example length-weight data — Length_Weight

This example data is a dataframe with 98 436 rows and 5 variables:<dl class='dl-horizontal'>
<dt>YEAR</dt><dd>Year the observation was recorded</dd> <dt>ID</dt><dd>Area
 where the observation was recorded</dd> <dt>SPECIES</dt><dd>Numeric code indicating
 the species sampled</dd> <dt>LENGTH</dt><dd>Length (class)1 cm intervals)</dd>
 <dt>WEIGHT</dt><dd>Corresponding weight of sampled fish</dd> </dl>

Length_Weight: Example length-weight data

Description

Usage

Arguments

Format

Details