Official language of privately owned TV-channels must be translated into Russian (a similar privilege is granted to Arabic), warnings must be translated to several languages, signs are mostly trilingual (Hebrew, Arabic and English), and the government supports Yiddish and Ladino culture (alongside Hebrew culture and Arabic culture). The Constitution of Latvia (or Satversme) designated Latvian as the state language. In 2012 there was initiative to hold a referendum on constitutional amendments, elevating Russian as a state language. Kristīne Jarinovska in her analysis describes the proposal in the following way: It proposed several constitutional amendments for introducing Russian as Latvia's second official language—i.e.,
Ecoregions of Zambia artificial reservoir), together with the smaller lakes such as Mweru Wantipa and Itezhi-Tezhi reservoir, and numerous lagoons and swamps cover about 5% of Zambia. Together with their associated rivers, the WWF categorises these freshwater bioregions in Zambia: Zambezi Basin made up of (not shown on the map): Ecoregions of Zambia The biomes and ecoregions in the ecology of Zambia are described, listed and mapped here, following the World Wildlife Fund's Global 200 classification scheme for terrestrial ecoregions, and the WWF freshwater bioregion classification for rivers, lakes and wetlands. Zambia is in the Afrotropic biogeographic realm (or ecozone) of the scheme.