Add_new_study: Pate_1998

[ehwenk]

• data transcribed from manuscript
• not contacting author, as old dataset

added information: trait_name taxa_before taxa_with_study new_taxa plant_growth_form 30269 30269 0 life_history 27236 27239 3 leaf_delta13C 1477 1527 50 leaf_delta15N 784 839 55 nitrogen_fixing 6686 6710 23 photosynthetic_pathway 7953 7969 16 plant_succulence 9 43 34