The sentence 'consideration are needed' is correct and can be used in written English.
You can use it when you need to express that some kind of thought or reflection is necessary. Example: Before making any decisions, we need to take into consideration all the factors involved.
However, if the primary interest is Ne in specific generations, which might vary considerably, then careful consideration is needed to determine whether combining estimates is desirable.
Henderson is right in that careful and logical consideration is needed as to the best we can do to provide a just and compassionate solution in any given debate.
If someone does have a bunch of traffic tickets, or worse, that could be an indication that deeper consideration is needed before that person is given control of a public company.
Further consideration is needed to determine how best to improve fermentation conditions.
However, special consideration is needed for the formulation of electrolyte solutions with target ion transport properties.
Careful consideration is needed to optimally integrate the administration of such questionnaires in the tight schedule of large-scale assessments.
This design consideration is needed due to the thermal distortion effects on the surface accuracy of a parabolic reflector.
Hence, if the single substance data are of sufficient quality for the respective single substance risk assessment, no special consideration is needed for a mixture toxicity assessment using CA. CA links the toxicity of individual substance to their joint action.
Particular consideration is needed regarding the special vulnerability of affected populations, which may reduce their capacity to influence interventions once a disaster has struck (as illustrated by the Ebola virus epidemic in West Africa).
