3 days to digest expansion7/23/2023 ![]() ![]() Among the 13 study species, nitrogen in young leaves (at 5% of full expansion) ranged from 20 to 71 mg/g DW Most species had higher nitrogen in young leaves compared to mature leaves, but one species showed no change with age. Both these factors can influence rates of herbivory: low nitrogen content makes leaves less attractive to herbivores, while rapid expansion reduces the time that young leaves are vulnerable to herbivory. We investigated variation in the nitrogen content of young leaves and the rate of leaf expansion in tropical shade tolerant species. ![]()
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