To calculate how long it takes a country's population to double in size and to investigate factors affecting growth rate. Since 1800, human population has grown from one billion to six billion people.
Log-in to bookmark & organize content - it's free! Jonathan Salk, son of polio vaccine developer Jonas Salk, discussed the historic growth of the world population, factors affecting that and ...
In this December 2012 file photo, a herd of bull elk stands in sagebrush. A new report found that climate change and other human factors are affecting wildlife migration, potentially leading to ...
It was good to see the full detail of how China’s unpleasant one-child policy worked and its ineffectiveness compared with other factors affecting population such as increased education (22 March, p ...
A recent study Nature Climate Change has concluded that climate change is already affecting people across the world. The study found that at least 85% of the world’s population has already been ...
1. Long-term individual-based datasets on host-pathogen systems are a rare and valuable resource for understanding the infectious disease dynamics in wildlife. A study of European badgers (Meles meles ...
(1) On release in 1936 from intensive grazing by rabbits the biotic potential of Grassland A emerges over 38 years in a sequence of physiognomic dominants--Festuca ovina, Hieracium pilosella, Thymus ...
Overpopulation is a critical concern in India. Since India gained independence in 1947, the population of the country has grown from 336 million to 1.5 billion, which has triggered concerns such as ...
To calculate how long it takes a country's population to double in size and to investigate factors affecting growth rate. Since 1800, human population has grown from one billion to six billion people.
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