Tables, figures & illustrations

•	While presenting data, authors should anticipate the limitations set by the size and layout of the journal. Large and complex tables, figures and maps should be avoided in the main paper, but can be included in a data appendix for use by the reviewers.
•	Figures should be saved in a neutral data format such as JPEG, TIFF or EPS. PowerPoint and Word graphics are unsuitable for reproduction. Please do not use any pixel-oriented programmes. Scanned figures (in JPEG and TIFF formats) should have a resolution of 300 dpi (halftone) or 600 to 1200 dpi (line drawings) in relation to the reproduction size.
•	Any tables and figures that are included in the main text of the paper should be numbered separately, in the sequence that they are mentioned in the text.
•	Each table and figure should be presented on a separate page of the manuscript, with a brief and self-explanatory title. All text should be clearly legible, and all graphics and legends should be easily distinguished when printed in black and white. Tables should use horizontal lines only, with only blank space to separate columns.
•	Notes under each table and figure should be used to explain and specify the source of all data shown.

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