Whereas the threshold quantities applicable for a harvest may exceed those fixed for the previous harvest for certain groups of varieties while falling short of those fixed for others; whereas the additional quantities should be distributed among the parties concerned on the basis of objective criteria , taking account of certain priorities to be determined by the Member States in the light of their situation.
The above sentence is very complicated. Please provide me a simplified synonymous version consisting of multiple sentences:
The applicable threshold quantities for a harvest may be higher for certain groups of varieties and lower for others than in the previous year . The additional quantities should be allocated among interested parties on the basis of objective criteria , taking into account the priorities established by the Member States based on their situation .