Whilst the plan states that further work will be undertaken to inform Deposit stage, it has been difficult to provide meaningful comments on some topic areas without the supporting evidence in place.
Er bod y cynllun yn nodi y bydd gwaith pellach yn cael ei wneud i lywio'r cam Adneuo, bu'n anodd rhoi sylwadau ystyrlon ar rai meysydd pwnc heb y dystiolaeth ategol sydd ar waith.