20036
The concentrations of metals in shoots were generally higher in autumn than in summer , suggesting that Ph . australis possesses an efficient root - to - shoot translocation system , which is activated at the end of the growing season and allows more metals into the senescent tissues .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None