what is mud content and abundance mean what is the optimum range for mud invertebrates? what is the mud content range mud ranges optimum and distribution range for each species what is the distribution of mud content how do you calculate the distribution of mud average mud abundance what is maximum mud content optimum range for sediment what is the optimal range of mud content what is the range of an ecological model how do you determine the abundance range what is mud percent range in m what is the apex of mud range what is the mud content range what is the optimum mud range for a given species? how does mud content affect the mud level mud average range what is optimum mud percentage range