Ecological state of some pasture differences of Haloxylon ammodendron of Karakalpak Ustyurt (Uzbekistan)Vasila Sharipova, Tashkhanim Rakhimova and Nodira RakhimovaE3S Web Conf., 361 (2022) 04028DOI: https://doi.org/10.1051/e3sconf/202236104028