Because the Population was declined in the past.
The study of population growth and decline worldwide is called demography. It involves analyzing factors such as birth rates, death rates, migration patterns, and age distributions to understand population dynamics.
Estimates suggest that the population of Rome in 500 AD was around 500,000 people, significantly smaller than its peak population during the height of the Roman Empire. The decline in population was due to factors such as invasions, political instability, and economic decline.
Demography. Demographers study how people are distributed in the relation to their setttlement patterns as well as their growth and decline. These studies also examine gender, age, occupation, ferility, and health.
Toledo's decline in the 16th century was due to a combination of factors such as epidemics, economic changes, and political instability. The city lost its status as the capital of Spain and faced a decline in population and influence compared to other growing Spanish cities like Madrid.
Stationary population level is when the national population stops growing. Stationary population can occur if there is no growth or declines in population. China is hoping to achieve this by the year 2030.
Russia's population is 140702000 in 2011
Competition with deer for their food, white turtlehead plant.
The decline of moose population followed sooner or later by a decline in the wolves population because the is less for the wolves.
The main reason for the decline of the Zhou Dynasty was internal conflict and power struggles among the ruling elite, which weakened the central government and led to widespread unrest and rebellion among the population.
Global warming is the main reason for polar bears decline.
There was a decline in the population as a result of the war.
In the Great Lakes area, moose are often a large part of the diet of wolves. Therefore a decline in the wolf population would naturally follow the decline of the moose population on Isle Royale.
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Disease introduced by Europeans, such as smallpox and measles, were a major factor contributing to the decline in the Indian population in Latin America. These diseases were new to the indigenous populations and they had little immunity, leading to widespread devastation and death.
disease.
This is true that the Mughals were pleasure seeking but this was not the main reason for their decline. The weakening of the army plus the attacks from the Persians are the main reasons for their decline.
Diseases brought by the Europeans, such as smallpox, played a significant role in the decline of the Indian population in Latin America. The indigenous peoples had no immunity to these new diseases, leading to high mortality rates.