Great Bustard Memorandum of Understanding Herzegovina, Bulgaria, Croatia, Czech Republic, European Union, Germany, Greece, Hungary, Moldova, Poland, Romania, Slovakia, Slovenia, The Republic of Macedonia and Ukraine). As of August 2012, 13 range states have signed the MoU as well as a number of cooperating organizations. To implement the decision of the Fourth Conference of the Parties of CMS to list the great bustard ("Otis tarda") on Appendix II of the Convention as a consequence of its unfavourable conservation status and the conviction that the species could benefit from an international agreement for its conservation and management and the middle-European population on Appendix I of the
Porphyria cutanea tarda Porphyria cutanea tarda Porphyria cutanea tarda (PCT) is the most common subtype of porphyria. The disease is named because it is a porphyria that often presents with skin manifestations later in life. The disorder results from low levels of the enzyme responsible for the fifth step in heme production. Heme is a vital molecule for all of the body's organs. It is a component of hemoglobin, the molecule that carries oxygen in the blood. Hepatoerythropoietic porphyria has been described as a homozygous form of porphyria cutanea tarda, although it can also be caused if two different mutations occur at the