Elburz Range forest steppe and Caspian snowcock ("Tetraogallus caspius"). Eagles here are the lesser spotted eagle ("Aquila pomarina") and the golden eagle ("Aquila chrysaetos"). The ecoregion is also a breeding area for the little bustard ("Tetrax tetrax") and black woodpecker ("Dryocopus martius"). Logging and agriculture have reduced the range of the forests in this ecoregion, dams have disrupted river flows, and overgrazing has degraded habitat. Protected areas with Elburz Range forest steppe in Iran include Golestan National Park and the Ghorkhod Protected Area, both in Golestan Province and totalling . Elburz Range forest steppe The Elburz Range forest steppe ecoregion is an arid, mountainous
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