Multispecies Small-Mesh Bottom Trawl (MSSM) Survey Grid

A 3x3 km grid for the Multispecies Small-Mesh Bottom Trawl Survey (MSSM; formerly known as 'shrimp survey'). This grid covers WCVI Shrimp Survey Areas 124 and 125. The year is the last year a grid cell was sampled as of 2023, with the most consistent resampling (spatially) occurring in grid cells last sampled between 2009 and 2021.

Usage

mssm_grid

mssm_grid_sf

Format

`mssm_grid`

A data frame with 3,735 rows and 5 columns:

survey_abbrev: Survey abbreviation
longitude, latitude: Longitude and latitude of the centroid of 3x3 km grid cells
area: Area of the grid cells, in km^2
year: The year a grid cell was sampled. A grid cell can have multiple year values

`mssm_grid_sf`

A simple features (sf object) version of mssm_grid

An object of class sf (inherits from tbl_df, tbl, data.frame) with 3735 rows and 3 columns.