1.   Countries are assessed deposit quotas based on their wealth.

2.   According to Japan, the limited catches it is seeking would be different for each whale species, with catch quotas based on the estimated size of whale populations.

3.   According to Japan, the limited catches it seeks would be different for each whale species, with catch quotas based on the estimated size of whale populations.

4.   For other nations, Saudi authorities determine quotas based on the number of applicants.

5.   The finding, appearing Friday in the journal Science, suggests that international catch quotas based on sections of the Atlantic should be revised.