Other fish species have also declined, and the piscivorous Caspian seal may be affected as a result. This instrument includes a section on the conservation of Caspian biodiversity with the general intention to reduce pollution of the Caspian, manage fisheries sustainably, fight poaching (particularly of sturgeon) and develop PAs along the Caspian coast. It is not clear what implementation mechanisms for this part of the action plan have been created since.