Skip to contents

Add seed traits from the Kew Seed Information Database (SER-SID)

Source: R/add-kew-sid.R
add_kew_sid.Rd

Joins species-level seed traits from the Kew Seed Information Database (SER-SID) to a taxify() result by looking up accepted_name.

Usage

add_kew_sid(x, cols = NULL, verbose = TRUE)

Arguments

x

A data.frame returned by taxify().

cols

Which columns to attach: NULL (default) the curated set, "all" every column the source carries, or a character vector of names. See enrichment_cols.

verbose

Logical. Default TRUE.

Value

The same data.frame with additional columns. The curated set:

sid_thousand_seed_weight

Thousand-seed weight (grams per 1000 seeds, median of all records).

sid_storage_behaviour

Seed storage behaviour (Orthodox/Recalcitrant/Intermediate/Uncertain).

sid_oil_content_pct

Seed oil content (percent, median).

sid_protein_content_pct

Seed protein content (percent, median).

sid_lifeform

Raunkiaer life-form code as recorded by SID.

With cols = "all" the seed-weight record count (n_seed_weight_records) and modal fruit_type are also attached under their source names. Joined on accepted_name.

Details

Source: Royal Botanic Gardens Kew, Seed Information Database, served as SER-SID (https://ser-sid.org/), CC BY 2.0. Per-record measurements are reduced to per-species medians (numeric) and modes (categorical); a thousand-seed weight in grams equals the per-seed mass in milligrams.

References

Royal Botanic Gardens Kew. Seed Information Database (SID). https://ser-sid.org/

Examples

old <- options(taxify.data_dir = taxify_example_data())

taxify("Quercus robur", backbone = "gbif") |>
  add_kew_sid()

options(old)