Hydromedusea (hydrom)

thisgroup = "Hydromedusea"
nickname = "hydrom"
x = read_ecomon_spp(form = 'sf', groups = nickname, agg = FALSE) |>
  ecomon_to_long() |>
  dplyr::mutate(year = format(date, "%Y") ,
                month = factor(format(date, "%b"), levels = month.abb))
nonz = dplyr::filter(x, value > 0)
zero = dplyr::filter(x, value <= 0)
n = nrow(x)
nz = zero |> nrow()
coast = sf::st_crop(coast, x)

There are 32693 records for Hydromedusea of which 29066 are zeroes (about 88.91%) leaving 3627 non-zero salp abundance records.