These people may need to know that the larger community, including Council, appreciates their effort - while others may actually see good relations within the group and a sense or group creativity for the environment as the most important factor. There is no point attracting volunteers if you can't sustain them. Each group needs a Coordinator. Usually there is a convenor and ideally, there should be one or two others who can run the group if needs be. Many is the time in the past that people have started working with enthusiasm - only to be disappointed at the results.
Projects can fail dismally without sound guidance.
Technique and ecological understanding do not came naturally. Interpretation might later became second nature but, initially, the basics are learned. Volunteer motivation is too rare a commodity to be lost for want of same sound technical guidance. On the human interaction side, small personality conflicts have been known to grow into large ones and a group has subsequently fizzled. Fragmentation which threatens the viability of local communities of plants and animals is something both country folk and city folk have in common.