Why is the illegal selling of Timber a big deal to the people of the Amazon?

An assessment by Greenpeace International in the Amazon adds that timber may be illegal because it comes from land on a private estate that has been clear-felled without a deforestation authorization permit, or logged without a logging authorization - Autorização de Exploração Florestal (AUTEF).

d. stage 4

explanation:

the existence of some kind of demographic transition is widely accepted in the social sciences because of the well-established historical correlation linking dropping fertility to social and economic development.[1] scholars debate whether industrialization and higher incomes lead to lower population, or whether lower populations lead to industrialization and higher incomes. scholars also debate to what extent various proposed and sometimes inter-related factors such as higher per capita income,lower mortality, old-age security, and rise of demand for human capital are involved.[2]