5961
In this study , we documented the breeding system of a wild population of Atlantic salmon ( Salmo salar L . ) by genetically sampling every returning adult and assessed the determinants of individual fitness .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None