By Michael John McGarrA landscape design survey for wildlife shouldn't just be an exercise in measuring the site backwards and forwards, anyone with a laser level can accurately achieve this task.The key to creating a garden design that is beneficial to wildlife is to understand the current site conditions on a deeper level.More often than not wildlife is abundant on sites that have either been neglected or mismanaged for any length of time.Ironically the biggest danger to existing wildlife is the potential threat of further construction and development.  The onus is then on the landscape designer to cushion the effects