scholarly journals MƏRKƏZİ KİÇİK QAFQAZ (AZƏRBAYCAN HÜDUDLARINDA) FLORASININ QİDA BİTKİLƏRİNİN TAKSONOMİK TƏRKİBİ VƏ BİOEKOLOJİ XÜSUSİYYƏTLƏRİ

2021 ◽  
pp. 26-34
Author(s):  
Eldar N. Novruzov ◽  
Latafat A. Mustafaeva ◽  
Aydan M. Zeynalova ◽  
Aygul M. Musaeva ◽  
Aygun V. Bagirova ◽  
...  
Keyword(s):  
Species Composition ◽  
Life Forms ◽  
Food Plants ◽  
Ecological Groups ◽  
Perennial Species ◽  
Taxonomic Analysis ◽  
Annual Herb ◽  
Lesser Caucasus ◽  
Ecological Types

Abstract: The article presents the species composition, bioecological features and the possibility of using of food plants in the flora of the Central Part of Lesser Caucasus (CLC) within Azerbaijan. During the taxonomic analysis of the species composition of food plants, 209 species belonging to 157 genera and 59 families were identified. According to the life forms among identified species 95 were perennials and 43 were annual herb plants. Trees are represented by 26 species, shrubs by 24 species, biannual herb plants by 21 species. In relation to moisture, six ecological types were identified. Among them mesophytes predominate with 91 species and xerophytes with 74 species. Mesoxerophytes include 23 species, xeromesophytes 20 species and mesohygrophytes one species. It was found that of the identified food plants, leaves of about 50 species are used both in fresh and cooked form, leaves, roots, rhizomes, bulbs, and fruits of 42 species in fresh, salted and cooked form and 30 species for obtaining of oil. Keywords: annual, ecological groups, life forms, mezophytes, perennial, species composition, xerophytes

Carabidae of Barnaul city parks: ecological characteristics and species composition

2018 ◽  
Vol 8 (2) ◽  
pp. 348-353
Author(s):  
E. A. Kuchina ◽  
N. D. Ovcharenko ◽  
L. D. Vasileva
Keyword(s):  
Species Composition ◽  
Diversity Index ◽  
Similarity Index ◽  
Life Forms ◽  
Ground Beetles ◽  
Forest Steppe ◽  
Ecological Groups ◽  
Dominant Group ◽  
Species Diversity Index ◽  
Steppe Species

<p>Anthropogenic impact on the population of ground beetles leads to a change in their numbers, structure of dominance, density, species composition, spectrum of life forms. This makes the beetles Carabidae a convenient and informative bioindicator of the ecological state of biocenoses. The material for this work was the Carabidae collections conducted in June-August 2016-2017 in the park zone of different regions of Barnaul, differing in location, area, hydrological regime, vegetation cover, purpose and anthropogenic load. When processing the material, the quantitative, species and generic composition of the carabidae was determined, calculations were made for such indicators as the Berger-Parker dominance index, the Shannon species diversity index (Hs), and the Jacquard species similarity index. The fauna (Coleoptera, Carabidae) of the park zone of Barnaul is represented by 55 species belonging to 20 genera. The dominant group is represented by species belonging to steppe, forest and polyzonal groups. Forest-steppe species of ground beetles as dominants have not been identified in any of the investigated territories. The greatest variety of ecological groups was noted on the territory of the Yubileyny рark, which is explained by the presence of zones with various microclimatic conditions, the presence of a birch grove that flows through the park with the Pivovarka River, and a wide log in the park. Registered species belong to eight groups of life forms belonging to two classes - zoophagous and myxophytophagous. On the numerical and species abundance, zoophages predominate. The spectrum of life forms corresponds to the zonal spectrum characteristic of the forest-steppe zone.</p><p> </p>

scholarly journals Ecological and taxonomic analysis of the coastal flora of the Auliekol region (Kostanay region)

2020 ◽  
Vol 99 (3) ◽  
pp. 83-90
Author(s):  
Saule Koblanova ◽  
◽  
Yulia Rogozhkina ◽  
Keyword(s):  
Detailed Analysis ◽  
Life Forms ◽  
Taxonomic Composition ◽  
Coastal Vegetation ◽  
Ecological Groups ◽  
Taxonomic Analysis ◽  
Number Of Species ◽  
Natural Lakes ◽  
Biodiversity Maintenance ◽  
Species Being

The study of flora is an important aspect of biodiversity maintenance and monitoring. Kostanay region is not a sufficiently explored region requiring a detailed analysis of coastal vegetation. During research in 2016–2019 the composition of the coastal flora of 6 geographical points was studied: rivers (Ubagan, Karasu) and natural lakes (Teacher, Solyenoe No. 1, Solyenoe No. 2, Kairankol). As a result of studies conducted on the territory of the Auliekol district of the Kostanay region, 106 species of coastal flora from 84 genera and 37 families were found. The taxonomic composition is characterized by dominance among the families Asteraceae, Poaceae and Fabaceae, among the genera — Artemisia, Plantago, Astragalus. In the Auliekol region, plants of the steppe cenotic group prevail, which is explained by the location of the study area within the Turgai lodge. In the surveyed territory, 7 ecological groups of plants were identified, with the maximum number of species being xero-mesophytes (33 taxa), the minimum — xerophytes (1 species). Among life forms, only 4 groups were noted, of which the maximum falls on perennial herbaceous plants (78 species). Uneven distribution of plants in the surveyed reservoirs was revealed. The maximum amounts falls on the floodplain of the river Ubagan, the minimum — on the lake Teacher.

scholarly journals CALCIPHILOUS FLORA OF THE REPUBLIC OF MORDOVIA AND ITS PROTECTION

2021 ◽  
Author(s):  
Tatyana B. Silaeva ◽  
◽  
Ekaterina G. Popkova ◽  
Julia P. Uchevatkina ◽  
◽  
...  
Keyword(s):  
Species Composition ◽  
Life Forms ◽  
Ecological Groups ◽  
The Republic

The article considers the species composition, the ratio of life forms and ecological groups in relation to the hydration of the calcifilic flora of the Republic of Mordovia. Most of the 29 obligate calcefites are located near the borders of their ranges, many are included in the regional Red book, but they are not protected by regional protection.

scholarly journals Rainfall amount determines annual herb controls over soil seed bank and its similarity with vegetation in the Tengger Desert

2022 ◽  
Vol 11 (1) ◽  
Author(s):  
Ya-Fei Shi ◽  
Zeng-Ru Wang ◽  
Bing-Xin Xu ◽  
Jian-Qiang Huo ◽  
Rui Hu ◽  
...  
Keyword(s):  
Species Composition ◽  
Seed Bank ◽  
Soil Seed Bank ◽  
Life Forms ◽  
Seed Banks ◽  
Tengger Desert ◽  
Desert Ecosystems ◽  
Soil Seed Banks ◽  
Annual Herb ◽  
Herb Species

Abstract Background Soil seed banks may offer great potential for maintaining and restoring desert ecosystems that have been degraded by climate change and anthropogenic disturbance. However, few studies have explored the year-to-year dynamics in the species composition (richness and abundance) of these desert soil seed banks. Thus, we conducted a 4-year study to assess the effects of environmental factors (meteorology and microtopography) and aboveground vegetation on the soil seed bank of the Tengger Desert, China. Results We found the seed bank was dominated by annual herb species both in species richness and abundance. More rainfall in the growing season increased the number of seeds in the soil seed bank, and quadrat micro-elevation had a negative effect on soil seed bank size. The species composition in the seed bank had significantly larger between-year similarity than that in the aboveground vegetation due to the dominance of annual herb species. For different life forms, the species composition of annual herbs showed distinctly larger temporal similarity between the aboveground vegetation and the seed bank compared with perennial herbs and shrubs. Conclusions Our findings highlight that the combined effects of environmental factors and plant life forms determine the species composition (especially the abundance) of soil seed banks in deserts. However, if degraded desert ecosystems are left to regenerate naturally, the lack of shrub and perennial herb seeds could crucially limit their restoration. Human intervention and management may have to be applied to enhance the seed abundance of perennial lifeforms in degraded deserts.

PRODUCTIVITY OF THE NATURAL STEPPE PASTURES IN THE HEREFORDS GRAZING AREAS IN THE CONDITIONS OF THE REPUBLIC OF TYVA

2021 ◽  
pp. 27-30
Author(s):  
Л.Т. МОНГУШ ◽  
Б.М. ЛУДУ ◽  
Б.К. КАН-ООЛ
Keyword(s):  
Species Diversity ◽  
Species Composition ◽  
Plant Communities ◽  
Life Forms ◽  
Ecological Groups ◽  
Aboveground Phytomass ◽  
Artemisia Frigida ◽  
Grass Stand ◽  
Festuca Valesiaca ◽  
The Republic

Представлены результаты исследования травостоя степных пастбищ на местах выпаса породы герефордов в условиях Республики Тыва. Выявлен видовой состав трех растительных сообществ, определены продуктивность их надземной фитомассы, распределение растений по экологическим группам, и проанализирован спектр жизненных форм. Рассчитан коэффициент закустаренности и поедаемости на изучаемых пастбищах. Наибольшее значение коэффициента закустаренности на злаково-разнотравно-кустарниковом участке (№ 2) — 0,51; ковыльно-стоповидно-осоково-кустарниковом (№ 3) — 0,19; наименьшее — на разнотравно-стоповидно-осоковом с караганой карликовой (№ 1) — 0,08. Выявлено, что на всех участках травостой представлен травянистыми многолетниками, кустарниками и полукустарниками. Типичные ксерофиты (эуксерофиты), наиболее характерные для настоящих степей, составляют основу данных растительных сообществ. Доля ксерофитов, к которым относятся тонконог тонкий (Koeleria cristata), ковыль. (Stipa pennata), мятлик (Poa attenuate), типчак (Festuca valesiaca), осока твердоватая (Carex duriuscula), лапчатка бесстебельная (Potentilla acaulis) и вильчатая (Р. bifurca) карагана карликовая (Caragana pygmaea), полынь холодная (Artemisia frigidа), колеблется от 45,45% до 65%. Ксеромезофиты встречаются на всех трех площадках, доля их колеблется от 9,09% до 22,22%. Продуктивность надземной фитомассы на участках № 1 составила 6,88 ц/га, № 2 — 6,26 ц/га, № 3 — 6,15 ц/га. Масса подстилки — относительно высокая на всех участках, так как учет продуктивности проведен в начале июня, когда только заканчивается переход ветоши в подстилку. Основу травостоя составляют хорошо поедаемые злаки, осоки и полукустарники. В настоящее время состояние пастбищ вполне удовлетворительное, несмотря на невысокое видовое разнообразие. The results of the study of the steppe pastures grass stand in the Hereford breed grazing areas in the conditions of the Republic of Tyva are presented. The species composition of three plant communities was revealed, the productivity of their aboveground phytomass was determined, the distribution of plants by ecological groups and the spectrum of life forms was analyzed. The coefficient of overgrowth and palatability on the studied pastures is calculated. The highest value of the coefficient of overgrowth on the gramineous-forb-shrubby plot (No. 2) is 0.51; needlegrass-pediform-sedgy-shrubby plot (No. 3) is 0.19; the lowest is on the forb-pediform-sedgy plot with pygmy pea shrub (No. 1) is 0.08. It was revealed that in all plots the grass stand crop is represented with herbaceous plurannuals, shrubs and subshrubs. Typical xerophytes (euxerophytes), the most typical for these steppes, form the basis of these plant communities. The proportion of xerophytes, which include thin June grass (Koeleria cristata), needlegrass (Stipa pennata), bluegrass (Poa attenuate), sheep fescue (Festuca valesiaca), hard sedge (Carex duriuscula), acauline cinquefoil (Potentilla acaulis) and forcipate (R. bifurca), pygmy pea shrub (Caragana pygmaea), pasture sagebrush (Artemisia frigida), ranges from 45.45 to 65%. Xeromesophytes are found at all three plots, their share ranges from 9.09 to 22.22%. The productivity of aboveground phytomass in plots No. 1 was 6.88 c/ha, No. 2 — 6.26 c/ha, No. 3 — 6.15 c/ha. The mass of the bedding is relatively high in all plots, since the productivity was taken into account at the beginning of June, when the transition of rags to the bedding is just finishing. The basis of the grass stand is well-eaten cereals, sedges and subshrubs. Currently, the condition of the pastures is quite satisfactory, despite the low species diversity.

Diatoms in waterbodies and watercourses of Privolzhskaya Hills (Penza Region)

2008 ◽  
Vol 42 ◽  
pp. 24-35
Author(s):  
M. S. Kulikovskiy
Keyword(s):  
Species Composition ◽  
Complete List ◽  
Russian Plain ◽  
Taxonomic Analysis

Species composition of diatoms from different waterbodies and watercourses Privolzhskaya Hills (Penza Region, Russian Plain, Russia) is studied. The complete list of revealed species of centric and pinnate diatoms (299 taxa) and a brief taxonomic analysis are given. The name Sellaphora bacilloides is validated.

scholarly journals Evaluation of Developmental Structures and Cenopulation State Cerastium davuricum Fisch. ex Spreng. in the Highlands of the Lesser Caucasus

2021 ◽  
Vol 7 (6) ◽  
Author(s):  
R. Guliyeva
Keyword(s):  
Species Composition ◽  
Biological Characteristics ◽  
Age Composition ◽  
The North ◽  
First Case ◽  
North Eastern ◽  
Lesser Caucasus ◽  
Favorable Conditions ◽  
Economic Use ◽  
North Eastern Part

On the highlands of the north – eastern part of the Lesser Caucasus were investigated ontogenetic characteristics Cerastium davuricum in different type of plants. There are found that cenopopulation spices goes through a 4- and 10-year periods. Age composition cenopopulations species is very variable and is associated with the biological characteristics of species composition of the sward, the economic use of pastures. In research found the following types of cenopopulation: normal, invasive, regressive. Meanwhile, the predominance of vegetative individuals in the population in the first case indicates the weakness of cenopopulation, and in the second case, the high number of generative individuals indicates the sustainability of cenopopulation. This arrangement of population under less favorable conditions compared with another one.

Effects of the fire retardant Phos-Chek on vegetation in eastern Australian heathlands

2005 ◽  
Vol 14 (2) ◽  
pp. 199 ◽  
Author(s):  
Tina Bell ◽  
Kevin Tolhurst ◽  
Michael Wouters
Keyword(s):  
Species Composition ◽  
Preliminary Investigation ◽  
Fire Retardant ◽  
Life Forms ◽  
Major Life ◽  
Weed Invasion ◽  
Heathland Vegetation ◽  
Whole Plant ◽  
Key Species ◽  
Survival And Growth

The effects of the fire retardant Phos-Chek D75R on species composition, survival and growth of eastern Australian heathland vegetation are described. Two sites in Victoria were selected, Victoria Valley in the Grampian Ranges and Marlo in East Gippsland. Both areas supported heathland vegetation that was long, unburnt and relatively undisturbed. Plots were subjected to single applications of increasing concentrations of retardant (0.5, 1.0 and 1.5 L fire retardant m−2) or no additional fire retardant (‘Control’ and ‘Water only’ treatments). A single application of Phos-Chek did not appear to significantly change species composition or projected foliage cover of the major life forms of native heathland vegetation. However, it did cause whole plant and shoot death of key species Allocasuarina paludosa, Banksia marginata, Leptospermum continentale and L. myrsinoides, and was observed to affect other species. The fertilising effect of the fire retardant generally increased shoot growth of the key species but did not significantly increase the overall height of these species. The application of fire retardant enhanced weed invasion, particularly when supplied at higher concentrations. A number of research recommendations are made from this preliminary investigation.

Changes in species composition, vegetation structure, and life forms along an altitudinal gradient of rupestrian grasslands in south-eastern Brazil

Flora ◽  
2018 ◽  
Vol 238 ◽  
pp. 32-42 ◽  
Author(s):  
Graciene Silva Mota ◽  
Giovana Rodrigues Luz ◽  
Nayara Mesquita Mota ◽  
Etiene Silva Coutinho ◽  
Maria das Dores Magalhães Veloso ◽  
...  
Keyword(s):  
Species Composition ◽  
Vegetation Structure ◽  
Altitudinal Gradient ◽  
Life Forms ◽  
South Eastern ◽  
Eastern Brazil

scholarly journals XYLOTROPHIC BASIDIOMYCETES OF SMALL-LEAVED FORESTS OF THE KOSTROMA REGION

2020 ◽  
pp. 4-9
Author(s):  
E. V. Maramokhin
Keyword(s):  
Species Diversity ◽  
Species Composition ◽  
Biological Diversity ◽  
Ecological Groups ◽  
Brief Assessment ◽  
Xylotrophic Basidiomycetes ◽  
Substrate Specialization ◽  
Southern Central ◽  
Species Similarity ◽  
Birch Forests

This paper provides an overview of the biology and species diversity of xylotrophic basidiomycetes, as well as the biotopic relationships of xylotroph mycobiota with phytocenoses. Ecological groups of these organisms are considered in connection with substrate specialization and their species similarity in birch and aspen small-leaved forests of different pharmacy. A brief assessment of the influence of the anthropogenic factor on the biological diversity of the represented group of organisms is given. For the first time, the Kostroma region is divided into southern, central, and northern parts to assess species diversity depending on weather, climate, and phytocenotic factors. The data on the study of changes in the degree of integration of mycocenoses of birch and aspen forests within the studied areas of the region are presented. In total, over 60 species of xylotrophic basidiomycetes were found in the small-leaved forests in the region, among which 38 species primarily affected birch forests and 40 species of pathogenic xylotrophic basidiomycetes have tropism for P. tremula. It was established that species belonging to the Coriolaseae family predominate in the species composition of wood-destroying mycobiota; they comprise about 27% of the total species composition in birch forests and about 24% of the species composition in aspen forests.

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