In what ways does the study of human population differ from the study of wildlife ecology

Demography is the study of human population. It studies about the size of the population, birth, death, age, immigration, migration,nationality, religion, economic status and education status. Wild life ecology is also concerned with the population of wild animals, birds, reptiles and other creatures. It also studies the interaction between two or more species, members of the species , interaction of species with their environment.

The study of human population differ from the study of wildlife ecology to the following reasons:

1. Human population can be easily surveyed upon the factors like age, births, death, immigeration and migration. But it is difficult to follow up animals for such factors because some animals are dangerous to human.

2. Human populations maintains their territory but wildlife populations generally do not. Therefore, evidences of their migration can be unaccountable.

from my research i have to the conclusion that decomposers, such as fungi, bacteria and invertebrates, play a critical role in nutrient cycling and without them the earth's ecosystem may not support life as we know it. elements such as carbon, nitrogen and phosphorus exist in limited amounts on earth, although huge amounts of carbon are being released into the atmosphere from underground sources now by humans. it is still extremely important that other nutrients be retained by the process of re-use. decomposers are organisms that are able to chemically break down dead material and make these elements available for use by other organisms. without this breakdown of dead material, dead bodies would pile up. so decomposers also play a role in clean up also. without them, life might not continue as we know it and dead material would overwhelm the earth.    

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