The protection of an endangered species alone will not increase its abundance. Conservation action is also needed The effectiveness of species protection is demonstrated by the Red List, which lets us know which species are doing poorly and which have improved. Examples of success stories According to 1988 data, the common crane was rare in Estonia. Today, however, it is in the ‘least concern’...

A person who knows better does not bring alien species to Estonia. The Ministry of the Environment must be notified immediately of any alien species released into or discovered in the wild Species know no borders, so preventing the spread of alien species must be addressed at individual, national, and international levels. At the international level, a number of conventions and agreements deal...

Most of the alien terrestrial species have been brought to Estonia on purpose Each species has its own potential entry routes, depending on the characteristics of the species and the habitat, but some modes of spreading are suitable for many species. Alien water species spread mainly in the ballast water tanks of various watercraft (ships) or on the outer surface of the hull. About 80% of the...