According to Malthusian theory, the size and growth of the population depends on the food supply and agricultural methods. In Boserup's theory agricultural methods depend on the size of the population. In the Malthusian view, in times when food is not sufficient for everyone, the excess population will die. However, Boserup argued that in those times of pressure, people will find ways to increase the production of food by increasing workforce, machinery, fertilizers, etc. This graph shows how the rate of food supply may vary but never reaches its carrying capacity because every time it is getting near, there is an invention or development that causes the food supply to increase.
Although Boserup is widely regarded as anti-Malthusian, both her insights and those of Malthus can be comfortably combined within the same general theoretical framework.[2]
She argued that when population density is low enough to allow it, land tends to be used intermittently, with heavy reliance on fire to clear fields and fallowing to restore fertility (often called slash and burn farming). Numerous studies have shown such methods to be favourable in total workload and also efficiency (output versus input). In Boserup's theory, it is only when rising population density curtails the use of fallowing (and therefore the use of fire) that fields are moved towards annual cultivation. Contending with insufficiently fallowed, less fertile plots, covered with grass or bushes rather than forest, mandates expanded efforts at fertilizing, field preparation, weed control, and irrigation. These changes often induce agricultural innovation, but increase marginal labour cost to the farmer as well: the higher the rural population density, the more hours the farmer must work for the same amount of produce. Therefore, workloads tend to rise while efficiency drops. This process of raising production at the cost of more work at lower efficiency is what Boserup describes as "agricultural intensification".
The theory has been instrumental in understanding agricultural patterns in developing countries, although it is highly simplified and generalized.
There will not be enough resources to sustain a high human population.
I think it's because of the growth of the human population. I was confused with extinction at first, but in a larger part the answer might be the growth of the human population.
Winter
it impact by the pollution that is burning cars buses may affect population and they might die ..
growth in population
keeping a population check...even in rural areas.people should be made aware of the pros and cons of the increasing population.And letting them know that how population growth is going to effect them in long run...this might contribute in minimize the population growth.
Reduced Resources
Rapid population growth can negatively impact the balance of nature because of a number of things. One of the reasons the imbalance might occur is that resources may be limited and thus they will be depleted fast.
Two examples that spring to mind are inflation and population growth.
no because of the limited factors that the food and other thing might limit the growth of the bear population.
Science, technology, and changes in society.
Growth in population, and in growth rate, can be caused by many factors. For example, it might indicate improved health amongst citizens, such as by higher birth rate and/or increased years in life. A population growth can also be caused by immigration. Growing industries that need workers can attract new residents to a country, increasing its' population. Such growth from immigration may also result from negative factors, too. For example, persons in a country affected by war, famine or oppression may flee to another nearby country, increasing the total population in that new country.