Biodiversity and Ecological Assessments examines various aspects of biodiversity including an extensive historical overviewof biodiversity. With increasing human intervention in natureand surroundings, biodiversity assessment is the need of hourand every effort should be made in order to tackle the situationin a sustainable manner. It includes definitions of biodiversity,importance of biodiversity and factors affecting biodiversity along with ecological assessmentand related issues. The following text provides the reader with insights into thedevelopment of its history, so as to understand the ecological processes and ecologicalassessment.