Occurrence of Arbuscular Mycorrhizal Herbs Decreases Selectively in Communities Dominated by Invasive Tree Acer negundo [0.03%]
入侵树种Acer negundo占优势的群落中丛枝菌根类草本植物的选择性消失
D V Veselkin,D I Dubrovin,O S Rafikova
D V Veselkin
We tested whether one of the consequences predicted for alien plant invasion by the mutualism disruption hypothesis was true in the case of the ash-leaved maple Acer negundo L. The study aimed to determine whether the occurrences of mycorrh...
Structure of Ground Vegetation and Natural Regeneration of Tree Species in 12- to 15-Year-Old Bilberry Pine Forest-Clear-cut Complex of Middle Taiga Subzone [0.03%]
中 taigA亚带12至15年生的越桔 pine 林分皆伐复合体中的林下植被结构及树种天然更新状况
N V Genikova,S A Moshnikov,D V Teslya
N V Genikova
Logging in mature stands where part of the forest is harvested in one or several cuts and part is retained (clearcutting and alternate strip cutting) results in the formation of an ecotone complex (EC), which includes a forest (F) zone, a f...
Component Composition and Features of Biological Activity of Viscum album (Viscaceae) [0.03%]
檞寄生((viscaceae)的组成和生物活性特征
S L Adzhiakhmetova,N M Chervonnaya,D I Pozdnyakov et al.
S L Adzhiakhmetova et al.
The review summarizes the data on the chemical composition and some features of biological activity of the European mistletoe Viscum album L. (Viscaceae Batsch). Among secondary metabolites, viscotoxins, lectins, carbohydrates, amino acids,...
A N Bonchuk,P G Georgiev
A N Bonchuk
The transcription factor Z4 (putzig) is one of the key proteins that determine the chromatin structure in Drosophila. Z4 is found at the boundaries of bands on polytene chromosomes, and the bands are currently thought to correlate with chro...
A Large Marine Bird (Aves: Procellariiformes) from the Eocene of Western Siberia [0.03%]
西伯利亚地区始新世海鸟类化石
N V Zelenkov,M P Maslintsyna,T P Malyshkina et al.
N V Zelenkov et al.
The article describes the first find of a bird from the Paleogene of Siberia. A fragment of tibiotarsus from the Eocene Tavda Formation of the Tyumen Region (Western Siberia) is assigned to Procellariiformes. The bird is morphologically clo...
Changes in Individual and Group Compositions of Polyphenols in Leaves of Lonicera caerulea subsp. altaica and Spiraea chamaedryfolia as Related to Chemical Element Contents in Soil and Plants on Ultra-alkaline Parent Rock Material [0.03%]
基于超碱性母岩风化土的微量元素含量探讨辽蓝莓叶和北极茶叶酚类单体及群体结构变化规律
I G Boyarskikh,V A Kostikova
I G Boyarskikh
Using high-performance liquid chromatography (HPLC), the contents of main classes of biologically active polyphenols in leaf extracts were analyzed in the medicinal species Spiraea chamaedryfolia L. (Rosaceae) and Lonicera caerulea subsp. a...
Chemical Composition and Therapeutic Effects of Several Astragalus Species (Fabaceae) [0.03%]
几种黄耆属植物的化学成分及药效作用研究进展
N K Klichkhanov,M N Suleimanova
N K Klichkhanov
The review integrates information on the component composition and biological activity of some Astragalus L. (Fabaceae) species from studies reported over the past 5-7 years. The aerial and underground parts of 34 Astragalus species contain...
Total Mineral Content in Raw Materials of Ten Medicinal Plants from Roadside Biotopes of Voronezh Oblast [0.03%]
伏尔加格勒地区道路生物群天青石原料中十种药用植物的总矿物含量
N A Dyakova
N A Dyakova
The total mineral content was studied in medicinal plants from roadside and railside biotopes of the Voronezh region. Pharmacopoeial plant raw materials of 10 species were evaluated: roots of Taraxacum officinale F.H. Wigg and Arctium lappa...
Chemical Composition of Seeds in Soybean Glycine soja (Fabaceae) of Amur Oblast [0.03%]
阿穆尔地区大豆野草甘蓝种子的化学组成
S I Lavrentyeva,L E Ivachenko,A A Blinova et al.
S I Lavrentyeva et al.
The wild soybean Glycine soja Sieb. et Zucc. is an ancestor of the cultivated soybean Glycine max (L.) Merr. and a source of many valuable genes missing in the G. max genome, including genes that determine stress resistance to adverse envir...
Tip-Tugai Cave, the First Cave Hyena Crocuta spelaea (Goldfuss, 1823) Den Found in the Urals [0.03%]
Tip-塔伊盖洞穴——乌拉尔地区发现的第一处洞熊狗(Crocuta spelaea(Goldfuss,1823))巢穴
D R Khantemirov,A V Kochnev,T V Strukova et al.
D R Khantemirov et al.
The Tip-Tugai Cave (52°59'28.6″ N, 57°00'22.3″ E) is described as a new site with cave hyena Crocuta spelaea fossils. The bone-bearing layer was dated to marine isotope stage (MIS) 3 based on the species composition of the fauna of larg...