Obviously to know what helps and inhibits the reproduction of an organism is the main thing people who are looking at endangered species want to know.
Okay, Syamasu. Since you know all there is to know about ecology and conservation biology, please explain the relationship between the factors which "inhibit reproduction" as you state, population dynamics, ecosystem degradation and habitat fragmentation with reference to the CITES Appendix I species
Indri indri.
Otherwise, simply admit you know sod all about ecology, biology and conservation.