Furthermore, the gradually enlarged Ni nanoparticles cause the decline of catalytic activities of catalysts.
Knowledge of factors that may cause the declining numbers is required for the planning of conservation programmes.
Direct and indirect effects of disturbance may cause the decline of specialist species and alter the condition of ecological communities.
Hence, the importance of removal of fermentation acids, specially lactate, so as not to cause the decline in rumen pH.
Besides, aging can cause the decline of the whole body function including the cardiovascular system.
This implied that LUTS may cause the decline of global brain function by increasing the rate of vascular injury.
In addition, the reduction of ERK can cause the decline of some neurotrophic factors, such as BDNF and NGF.
In general, a drop in population size may cause the decline of genetic diversity by genetic drift and inbreeding.
Nobody knows for sure what factors are causing the declines.
Competition from surrounding understory vegetation and litter accumulation were likely the major factors causing the declines.
