Threatened species of Phoca hispida ladogensis

Name(s): 
Threatened species of Ladoga seal
Nature 
here is a catch quotum set at 500 seals per year. The average annual catch is between 150 and 200 animals. The catch is allowed only for fur and oil. No recreational hunting is allowed and there is no bounty system.
Background 
This seal is only found in Lake Ladoga in Karelia (Russia). There are no species in the lake competing with the Ladoga seal. There are no natural predators or perceived immediate threats to the population.
Incidence 
The population is estimated at 10,000-12,000 seals and apparently stable. with a potential tendency to increase.
Type 
(S) Suspect problems