Sentences with phrase «human land cultivation»

Not exact matches

Human life has been sustained through the past several centuries by land cultivation.

When the state of Rwanda decided that land on which elephants lived was too valuable for elephants and was needed for the cultivation of food for humans, they did not kill the elephants as pests.

These findings can also be illustrated in other aspects of resource use: the team found the highest rate of increase in the cultivation of arable land to be in the 1950s; the peak for human - made irrigation areas then followed in the 1970s, and the peak for nitrogen fertilisers was subsequently in the 1980s.

Agriculture and land use change contributed about 1/3 of total human greenhouse gas emissions in the past decade, through crop cultivation, animal production, and deforestation.