Kalapu Andara, Mesquite, or scientifically known as Prosopis juliflora, is a perennial shrub belongs to the legume family, family Fabaceae. Native to Central and South America and the Caribbean region, it has been introduced to Africa, Asia and Australia where it has been naturalized. In 1880 it was intentionally introduced to Sri Lanka as a shade and erosion control tree, in the Hambantota and Puttalam districts. Mesquite is a medium sized tree with an average height about 5m, with an ashy
Alien is a term everyone is familiar with – creatures with long limbs and large eyes come to mind, like E.T. the Extra-Terrestrial from the popular 80s movie. While the existence of extra terrestrial life has been long debated, Sri Lanka is vulnerable to a very real threat from alien species of a different nature. These organisms travel a considerably smaller distance on earth (compared to E.T. from outer space) to colonise Sri Lankan soil and waters. Simply put, an
We have all heard of “invasive species”, but what are they really, and why are they such a big problem? Through natural and man-made processes, many species are introduced to areas outside of their normal range – these are known as non-native, or “alien” species. Many of these alien species will not be able to adapt to the new environment at all, and may eventually die off. Today, as with the rest of the world, hundreds of new species of
