Assessment of plant diversity in the Surkhan-Sherabad Region,Uzbekistan by grid mapping  

作　　者：Inom JURAMURODOV Rustam URALOV Dilmurod MAKHMUDJANOV LU Chunfang Feruz AKBAROV Sardor PULATOV Bakhtiyor KARIMOV Orzimat TURGINOV Komiljon TOJIBAEV 

机构地区：[1]Flora of Uzbekistan Laboratory,Institute of Botany of the Academy of Sciences of the Republic of Uzbekistan,Tashkent 100125,Uzbekistan [2]National University of Uzbekistan named after Mirzo Ulugbek,Tashkent 100174,Uzbekistan [3]Xinjiang Plants Resource Chemistry Key Laboratory,Xinjiang Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Urumqi 830011,China

出　　处：《Journal of Arid Land》2025年第3期394-410,共17页干旱区科学(英文版)

基　　金：supported by the grant from the State Programs"Grid Mapping of the Flora of Uzbekistan'during 2020–2024";the grant from the State Programs"Creation of the Digital Platform of the Plant World of Central Uzbekistan"during 2025–2029;the State Research Project"Taxonomic Revision of Polymorphic Plant Families of the Flora of Uzbekistan"from the Institute of Botany,Academy of Sciences of the Republic of Uzbekistan (A-FA-2021-427)

摘　　要：In floristic research,the grid mapping method is a crucial and highly effective tool for investigating the flora of specific regions.This methodology aids in the collection of comprehensive data,thereby promoting a thorough understanding of regional plant diversity.This paper presents findings from a grid mapping study conducted in the Surkhan-Sherabad botanical-geographic region(SShBGR),acknowledged as one of the major floristic areas in southwestern Uzbekistan.Using an expansive dataset of 14,317 records comprised of herbarium specimens and field diary entries collected from 1897 to 2023,we evaluated the stages and seasonal dynamics of data accumulation,species richness(SR),and collection density(CD)within 5 km×5 km grid cells.We further examined the taxonomic and life form composition of the region's flora.Our analysis revealed that the grid mapping phase(2021–2023)produced a significantly greater volume of specimens and taxonomic diversity compared with other periods(1897–1940,1941–1993,and 1994–2020).Field research spanned 206 grid cells during 2021–2023,resulting in 11,883 samples,including 6469 herbarium specimens and 5414 field records.Overall,fieldwork covered 251 of the 253 grid cells within the SShBGR.Notably,the highest species diversity was documented in the B198 grid cell,recording 160 species.In terms of collection density,the E198 grid cell produced 475 samples.Overall,we identified 1053 species distributed across 439 genera and 78 families in the SShBGR.The flora of this region aligned significantly with the dominant families commonly found in the Holarctic,highlighting vital ecological connections.Among our findings,the Asteraceae family was the most polymorphic,with 147 species,followed by the continually stable and diverse Poaceae,Fabaceae,Brassicaceae,and Amaranthaceae.Besides,our analysis revealed a predominance of therophyte life forms,which constituted 52%(552 species)of the total flora.The findings underscore the necessity for continual data collection efforts to further enhanc

关 键 词：grid mapping species richness collection density TAXONOMY dominant species life form therophyte Central Asia 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]