On their evolutionary and physical iversity and biogeography Within the framework of ecology the authors "discuss the composition
of river turtle communities in ifferent types of river turtle communities in ifferent types of habitats "the composition of river turtle communities in Speer different types of lotic habitats regions populationynamics movements reproductive characteristics and behavior predators and feeding relationships In a conservation and management section the authors identify and evaluate the nature and intensity of factors which threaten river turtle survival almost all of which invol. ,
Ve Ultralearning direct human exploitation or indirect effects of human induced habitat andegradation They then list and evaluate the various schemes have been proposed or employed to halt eclines and restore populations and make recommendations for future
"Management Plans For Specific Species "plans for specific species regions In closing they state their viewpoint concerning future research irections and priorities and an evaluation of future prospects for survival of the world's river turtle specie.