The activities of non-consumptive user-groups, such as bird-watchers, will not directly affect the environment (except for issues such as crowding) while the activities of consumptive user groups have a more direct impact. User groups will tend to organise along these two broader categories, seeking to build coalitions within the categories to influence policy choices (Degnbol et al., The difference between user groups and other stakeholders is important because it is the behaviour of the user groups that fisheries policy seeks to influence and to whom policy reform is primarily directed. Commercial fishers can be further divided into small-scale and large-scale fishers.