Judith K. Brown writes, "Women are most likely to make a substantial contribution when subsistence activities have the following characteristics: the participant is not obliged to be far from home; the tasks are relatively monotonous and do not require rapt concentration; and the work is not dangerous, can be performed in spite of interruptions, and is easily resumed once interrupted".
More recently, an extremely virulent form of the pathogen, 'Tropical Race 4', has been spreading and is causing substantial losses to both subsistence farmers and commercial growers since it attacks 'Cavendish' (Hwang and Ko, 2004).
In many rural third-world communities, women contribute substantial time and energy to subsistence farming, even though they are childbearing (Panter-Brick, 1989).
Given the fact that there is evidence for the extensive use of plants, we may question whether the development of agriculture really required significant changes in human subsistence behavior or whether these changes were gradual and appear to be substantial only from our modern perspective.
These species are targeted by local subsistence fishermen and sustain substantial bird and crocodile populations.
Below the substantial landholders were those engaged in subsistence agriculture, who made up the majority of the working population.
The country has grown a substantial black middle class and extended subsistence-level welfare for the poorest.
Today, no country carries out a substantial hunt, although Indonesia and Greenland permit small subsistence hunts.
[Page A1.] A study concludes that Nafta failed to generate substantial job growth in Mexico, hurt hundreds of thousands of subsistence farmers there and had "minuscule" net effects on jobs in the United States.
As the North American Free Trade Agreement nears its 10th anniversary, a study from the Carnegie Endowment for International Peace concludes that the pact failed to generate substantial job growth in Mexico, hurt hundreds of thousands of subsistence farmers there and had "minuscule" net effects on jobs in the United States.
