Biology · BIODIVERSITY AND CONSERVATION

In the species-area relationship equation \( \log S = \log C + Z \log A \), what does the regression coefficient \( Z \) represent, and what is its typical range for small contiguous areas regardless of taxon?

1. Slope of the line; 0.6 to 1.2
2. Slope of the line; 0.1 to 0.2
3. Y-intercept; 0.1 to 0.2
4. Species richness; 1.15