Many slash and burn in an attempt to get their own land. The first year's yield is rich, but the poor soil does not hold nutrients, so the process must be repeated. Commercial logging . The problem is that in many countries, this logging is done at a much faster rate than the trees regrow. Cattle ranching .
Cattle can have up to six to ten years of grazing, after which a scrub savannah grows up.
The heartwood is durable, and changes from yellow to streaked chestnut tones during seasoning. The rubber latex is collected from trees that are tapped in a sustainable process. Natural rubber is superior in resilience to synthetics. Monoecious plants with unisexual flowers that typically do not have sepals or petals. Most spurges have milky, often toxic sap.