1 Subjects: “...salinity gradient...”

2 Subjects: “...distance gradient...”

3 Subjects: “...gradient boosting...”

4 Subjects: “...light gradient boosting machine...”

5 Subjects: “...gradient descent...”

6 Subjects: “...proton gradient regulation 5 (PGR5)...”

7 Subjects: “...moisture gradient...”

8 Subjects: “...elevation gradient...”

9 Subjects: “...urbanization gradient...”

10 Subjects: “...gradient...”

11 Subjects: “...topographic gradient...”

12 Subjects: “...stochastic gradient boosting...”

13 Subjects: “...gradient boosted machines...”

14 Subjects: “...gradient boosting regression tree...”

15 Subjects: “...gradient boosting regression tree...”

16 Subjects: “...gradient boosted machines...”

17 Subjects: “...disease gradient...”

18 Subjects: “...disease gradient...”

19 “... elevation gradients; • Litter production and decomposition; • N and P stoichiometry as affected by N...”

20 “... interactions, covering biogeographic gradients from Mediterranean woodlands to boreal forests and from Alpine...”