Main Article Content
The question of how many species exist on Earth has been subject to debate in terms of its importance to biodiversity management. This essay examines the reasons behind the uncertainty surrounding the number of species on Earth, the methodology for determining an approximation, and the importance of the question itself.
Biology, Biodiversity, Sustainability
How to Cite
CRAWFORD, Ruth. How many species are there on Earth and why worry about it?. Journal of Sustainability, [S.l.], v. 1, n. 1, p. 9, may 2013. Available at: <https://ojs.st-andrews.ac.uk/index.php/jsus/article/view/601>. Date accessed: 13 dec. 2018.