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Demography n environment.pptx

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Demography n environment.pptx
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  1.Demography and its relation to environment By: Septian Julifar Syamsul Huda  Meaning of demography • Demo means “the people” and graphy means “measurement.” • Demography is the study of human population. It can be applied to any kind of dynamic living population, (that changes over time or space. • It encompasses the study of the si!e, structure, and distribution of populations, and spatial and"or temporal changes in them in response to birth, migration, aging and death. •  #he broader $eld of social demography population studies also analy!e the relationships bet%een economic, social, cultural and biological processes in&uencing a population .  ' important demographic variables .)umber of population*opulation number and carrying capacity should balanced, other%ise environmental degradation.+.ge structure-ill in&uence the dependency ratio b"% labor force and non labor force.  ' important demographic variables '.Distribution (spatial and temporal distributionpatial distribution become more uneven b"% rural and urban areas. #emporal distribution b"% old and young change over time depending on the development progress  )umber of population Determined by • birth, • death, • immigration and • /migration *op change 0 (birth1imigration 2 (death 1 emigration
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