conservation Agricultural pollution 1 Birth, Death , Movement 1 Disease 1 Evolution ecology 1 Exploitation 1 Fish 1 Grazing 1 Mining 1 Nuclear radiation 1 Predation 1 Quarrying 1 Restoration ecolgy 1 Rural resource 1 Tropical rainforest 1 applied issues in ecology 1 communities 1 diversity 1 eco-development 1 ecology 1 economic approach 1 environmnetal pollution 1 planning 1 populations 1 threats 1