Nuclear radiation Physics 2 Agricultural pollution 1 Birth, Death , Movement 1 Disease 1 Evolution ecology 1 Grazing 1 Ionizing radiation 1 Mining 1 Nuclear technology 1 Nuclear waste 1 Pollution 1 Pollution management 1 Predation 1 Quarrying 1 Radiation biology 1 Restoration ecolgy 1 War 1 Waste management 1 applied issues in ecology 1 communities 1 conservation 1 populations 1 threats 1