If the function is used without arguments returns the list of habitats used in TAXREF.
rt_habitats(habitat_id = NULL)
NULL
or integer(1)
[default = NULL
]
The id of a habitat referenced in TAXREF
1
= Marine
2
= Freshwater
3
= Terrestrial
4
= Marine and freshwater
5
= Marine and Terrestrial
6
= Brackish water
7
= Continental (terrestrial and/or freshwater)
8
= Continental (terrestrial and freshwater)
if (FALSE) rt_habitats(habitat_id = 8)