After the boom-bust-boom of the fifties and sixties, the borough went into a third and more severe decline again in the mid-1970s along with much of the Rust Belt so that population was just 2,804 at the 2000 census. Now in the 2011 Brownsville still has a handful of buildings condemened or just borded up.
Threats to Biodiversity. The primary threats to the savanna biome are humans (for example, poachers are killing elephants for their ivory tusks and hunting animals to the brink of extinction) and global climate change.
Insects such as termites and beetles can also be found in the savanna. Plants: The most common plants in a savanna are wild grasses. Savannas also have trees and shrubs scattered throughout the biome. Acacia trees and baobab trees are common in the African savanna. Major Cities: Cities located in the savanna biome include Lagos, Nigeria, Darwin, Australia and Khartoum, Sudan.