scholarly journals Characteristics of flora and segetal communities of the Landscape Park Pojezierze Iławskie

2013 ◽  
Vol 47 (1) ◽  
pp. 67-81
Author(s):  
Czesław Hołdyński ◽  
Tadeusz Korniak
Keyword(s):  
Plant Communities ◽  
Vascular Plants ◽  
Active Form ◽  
Geographical Range ◽  
Agricultural Area ◽  
Arable Soils ◽  
Weed Communities ◽  
Field Plant ◽  
Agricultural Areas ◽  
Segetal Communities

Smal part (1100 ha - 4,7 %) of the Landscape Park Pojezierze Iławskie is an agricultural area. On the arable soils of this area floristic and phytosociological studies of weed communities were performed. In total, 156 species of vascular plants were registered what makes 75 percent of the whole segetal population high diferentitation in field plants was found. Seven associations and three communities of segetal plants were distinguished. High quantitative participation of the field plant communities in the range of associations (72 percent studied areas) allows us to suggest that the degree of agrocenosis degradation is very small in this area as compare to the majority of the agricultural areas in Poland. Taking into account floristical and ecological diferentiation, geographical range and syntaksonomical position three assiociations (<i>Teesdaleo-Arnoseridetum minimae, Aphano-Matricarietum</i> and <i>Spergulo-Chrysanthemetum segeti</i>) present high specific value and deserve of the active form of protection.

scholarly journals Vegetation differentiation and secondary succession on abandoned agricultural large-areas in south-eastern Poland

2016 ◽  
Vol 41 (1) ◽  
pp. 35-50 ◽  
Author(s):  
Beata Barabasz-Krasny
Keyword(s):  
Plant Communities ◽  
Secondary Succession ◽  
Agricultural Area ◽  
General Increase ◽  
South Eastern ◽  
Plant Groups ◽  
Agricultural Areas ◽  
Rate Of Succession ◽  
Meadow Species

Abstract In Poland, the largest stretches of abandoned agricultural areas were formed at the end of the 1980s, along western and eastern borders, among others, in Przemyśl Foothills (Pogórze Przemyskie). Therefore, the research on the diversity of plant communities from abandoned agricultural areas as well as main directions and the rate of succession after the cessation of management was undertaken in the vicinity of twelve municipalities in south-eastern Poland. This research revealed that the dominating direction of changes of the abandoned agricultural area vegetation was vanishing of plant groups with segetal and meadow species and spreading of shrub communities. A general increase in the forestation rate of the researched abandoned agricultural areas from 10-40% of the area in 1970-1971 to about 30-70% in 2003-2004 may be the evidence of the occurrence intensity of those phenomena.

INFLUENCE OF HERACLEUM SOSNOWSKYI MANDEN. ON BIODIVERSITY OF VASCULAR PLANTS OF THE PROTECTED AREA «LIPOVAYA GORA» (PERM)

2020 ◽  
pp. 272-279
Author(s):  
D. N. Tiunov ◽  
◽  
E. G. Efimik ◽  
Keyword(s):  
Plant Species ◽  
Plant Communities ◽  
Protected Area ◽  
Vascular Plants ◽  
Rapid Development ◽  
Projective Cover ◽  
Seed Productivity ◽  
Heracleum Sosnowskyi ◽  
Rapid Spread

The problem of invasion of Sosnowsky hogweed (Heracleum sosnowskyi Manden.) In the Lipovaya Gora SPNA in Perm is considered. A map of distribution of hogweed cenopopulations in the protected area is presented. The results of the influence of the invasion of Sosnovsky hogweed on the biodiversity of vascu-lar plants of some plant communities are presented. It was revealed that the invasion of hogweed into phytocenoses of the Lipovaya Gora protected area leads to a decrease in the biodiversity of vascular plants by about 26.4% (up to 12 plant species). The ways of introduction of cow parsnip into the communities of the protected area are considered. High seed productivity, high projective cover, reaching in some cases 100%, high phytomass, the presence of dormant seeds, rapid development in spring, and high anthropo-genic load on the territory determine the rapid spread of H. sosnowskyi.

scholarly journals Coyote (Canis latrans) Habitat use and Mortality in Grand Teton National Park and Suburban-Agricultural Areas of Jackson Hole, Wyoming

2000 ◽  
Vol 24 ◽  
pp. 51-59
Author(s):  
Matt McGee ◽  
Stan Anderson ◽  
Doug Wachob
Keyword(s):  
Habitat Use ◽  
National Park ◽  
Agricultural Land ◽  
Canis Latrans ◽  
Short Interval ◽  
Agricultural Area ◽  
Grand Teton National Park ◽  
Use Patterns ◽  
Jackson Hole ◽  
Agricultural Areas

A study of coyote (Canis latrans) habitat use and mortality in Grand Teton National Park and the suburban-agricultural land surrounding Jackson, WY was conducted between September 1999 and August 2000. This research focused on the influence of human development, habitat type, topography, and simulated wolf presence on coyote habitat use and on coyote mortality patterns in undeveloped and suburban-agricultural land. The overall goal of this project was to provide baseline information on the coyote population in Jackson Hole that can be used in the future to determine what, if any, impact wolves and human developments may have on coyotes. There were a total of fifteen radio-collared coyotes in the suburban-agricultural area and fourteen radio collared coyotes in Grand Teton National Park and adjacent areas in the National Elk Refuge and Bridger-Teton National Forest. Marked coyotes were tracked weekly using short interval telemetry relocations and triangulation to determine habitat use patterns. During the winter, track transects were skied weekly and coyote trails were backtracked and mapped using hand held GPS units to determine fine scale habitat use patterns. Coyote mortality was determined via telemetry and direct observation. Preliminary data analyses suggest that coyotes use mainly sagebrush-grasslands or forest-shrub-grass edge areas and avoid forest interior areas. Coyotes frequently use trails and roads in the undeveloped area when moving long distances. Preliminary analysis also indicates that roads and trails are used in a greater proportion than their abundance on the landscape. Coyotes were frequently observed using riparian corridors to move between open meadows in the suburban-agricultural area. There is some evidence that suggests coyotes selectively travel fences and irrigation ditches for long distances in agricultural areas. The movement data also suggests that coyotes avoid developed areas during the day and travel in these developed areas at night. The data on coyote locations suggests some avoidance of wolf urine scent grids in the undeveloped area, but not in the developed area. Coyote mortality was primarily human caused, and coyotes that were male, transient, and lived in the suburban-agricultural area were the most commonly killed animals.

scholarly journals Changes of segetal vegetation of the Piotrków Plain during the last 22 years. Part 1. Communities of weeds of winter cereal cultures

2013 ◽  
Vol 47 (1) ◽  
pp. 5-36
Author(s):  
A. Urszula Warcholińska
Keyword(s):  
Present State ◽  
The State ◽  
Winter Cereal ◽  
Weed Communities ◽  
Segetal Communities

This paper presents the results of research in segetal communities of winter cereal cultures of the Piotrków Plain (Figure 1) which took place during the period between 1971 and 1972 and between 1992 and 1993. On the basis of 205 phytosociological records, taken in 103 localities in the years of 1971 and 1972 (Figure 2), 6 associations were distinguished (Tables I-IX): <i>Spergulo-Veronicetum dillenii, Arnoserido-Scleranthetum, Papaveretum argemones, Vicietum tetraspemae, Aphano-Matricarietum, Caucalido-Scandicetum</i>. According to the repeated listing carried out in the years 1992 and 1993 the changes of the communities of the mentioned items were disclosed. The comparison of the present state of the weed communities of the winter cereal cultures on the researched area with the state of 22 years ago allowed to note that the changes in the analyzed agrophytocoenoses are caused by progressive anthropopressure.

scholarly journals Vegetation dynamics under non-strong agricultural impact (by the example of Oktyabrsk village environs in the Uchalinskiy District of the Republic of Bashkortostan)

2021 ◽  
Vol 10 (1) ◽  
pp. 121-127
Author(s):  
Nazar Nikolayevich Nazarenko ◽  
Svetlana Yuryevna Batyusheva
Keyword(s):  
Plant Communities ◽  
Vegetation Dynamics ◽  
Vascular Plants ◽  
Abiotic Factors ◽  
Pasture Digression ◽  
Plant Associations ◽  
Republic Of Bashkortostan ◽  
Principal Factors ◽  
The Republic ◽  
Agricultural Impact

Vegetation and its biotopes that are transitional between ruderal and natural ones have been researched in Oktyabrsk village environs (Uchalinskiy District of the Republic of Bashkortostan). The studied vegetation is characterized by rather low biodiversity values and high values of dominance 56 species of vascular plants are identified, 10-species plant communities with 23 clear identified dominant and co-dominant species prevail. Ruderal species are dominant and co-dominant for the majority of plant communities. Fifteen plant associations and specific biotopes have been defined by multivariate statistics methods. The identified associations are phytometers for detected principal abiotic factors. The detected associations form ordination series the authors have identified three biotopical centers (ruderal, birch forest and steppe), three biotopical series and three coenotic series, which are associated with high and temperate pasture loading levels and pasture digression series, forming an integrated succession system of the studied territory. It has been established that principal factors of associations forming is pasture loading level and the principal factors of biotopes forming are soil moistening and its variability, ombroregime (humidification level), termoregime and regime of continentality (temperature-varying amplitude).

scholarly journals Biodiversity of Segetal Weed Communities when Chlorsulfuron-Based Weed Control is Being Used on Continuous Winter Wheat

2014 ◽  
Vol 54 (3) ◽  
pp. 300-305
Author(s):  
Zbigniew Pawlonka ◽  
Katarzyna Rymuza ◽  
Krzysztof Starczewski ◽  
Antoni Bombik
Keyword(s):  
Winter Wheat ◽  
Initial Study ◽  
Short Term ◽  
Weed Communities ◽  
The Status ◽  
Weed Infestation ◽  
Weedy Species ◽  
The Relationship ◽  
Experimental Plots ◽  
Segetal Communities

Abstract The purpose of the study was to determine the relationship between herbicide rate and weed community biodiversity in continuous wheat. A six-year field experiment was conducted to examine the effect of four chlorsulfuron rates in comparison with untreated (the control) plots, on the status and severity of weed infestation - in successive study years of cultivating winter wheat in monoculture. In addition, the following indices were calculated: Shannon-Wiener and Simpson’s index of biodiversity, and Simpson’s index of domination. A total of 36 weedy species were identified in the experimental plots. The richest segetal communities were established in the control plots. An application of herbicide reduced the biodiversity of the agrophytocensosis. A short-term monoculture did not impoverish the species richness of the weed community established in winter wheat. The average number of species in the community was significantly greater in the second study year. In the initial study years of monoculture, the biodiversity of the segetal community increased markedly compared with rotation-based cultivation. The calculated indices of biodiversity were not significantly affected by herbicide rate or monoculture but the indices confirmed the trends outlined by an analysis of the status and level of weed infestation.

scholarly journals Flora and vegetation of the Minusinsk town and its vicinity

2019 ◽  
Vol 16 ◽  
pp. 00016
Author(s):  
Maria Larina ◽  
Olga Zyryanova
Keyword(s):  
Species Composition ◽  
Plant Communities ◽  
Vascular Plants ◽  
Dominant Species ◽  
Pine Forests

The article demonstrates the results of studies about species composition of lichens, fungi, mosses and higher vascular plants found in the ribbon pine forests in the Minusinsk town and its vicinity. The article based on the original authors’ herbaria. 62 basidial macromycetes, 80 lichens and 210 species of the higher vascular plants were found in the studied area. The plant communities and their dominant species were studied.

Geographical Elements in the Flora of Victoria

1976 ◽  
Vol 24 (2) ◽  
pp. 249 ◽  
Author(s):  
PB Bridgewater
Keyword(s):  
Plant Communities ◽  
Vascular Plants ◽  
Distribution Data ◽  
Inverse Association ◽  
Central Victoria ◽  
South Central ◽  
Southern Half ◽  
Species Groups ◽  
Geographical Elements ◽  
Very High

Distribution data for vascular plants in Victoria were recorded on grid squares of 1° latitude by 1.5° longitude. Data for six angiosperm families (Cyperaceae, Liliaceae, Chenopodiaceae, Rhamnaceae, Rutaceae and Myrtaceae) were analysed by the techniques of normal and inverse association analysis. Analyses of the data produced a series of species groups with similar geographical ranges (elements). These elements may be broadly divided into eastern and western groups, with two exceptions-one extending over the southern half of the State and the other occupying the coastal fringe. Geographical elements are helpful in defining the range of plant communities, as well as suggesting hypotheses as to the origins of floras. South central Victoria is seen to be a junction for species of both the eastern and western groups of elements, which may explain the very high number of species recorded from the Melbourne region.

scholarly journals Weed Phytosociological and Floristic Survey in Agricultural Areas of Southwestern Goiás Region

2016 ◽  
Vol 34 (1) ◽  
pp. 65-80 ◽  
Author(s):  
SANTOS W.F. ◽  
PROCÓPIO S.O. ◽  
SILVA A.G. ◽  
FERNANDES M.F. ◽  
BARROSO A.L.L.
Keyword(s):  
Cropping Systems ◽  
Floristic Composition ◽  
Sampling Period ◽  
Weed Species ◽  
Floristic Survey ◽  
Commelina Benghalensis ◽  
Number Of Species ◽  
West Region ◽  
Weed Communities ◽  
Agricultural Areas

The use of the Roundup Ready(r) technology and the cultivation of a second crop influence the floristic composition of weed communities in Brazilian Central-West region cropping systems. This study has aimed to diagnose the dominant weed species in southwestern Goiás in areas of genetically-modified and conventional soybeans, using phytosociological and floristic surveys. Weed sampling was obtained by collecting all the plants present within a 0.5 m hollow frame, randomly thrown 20 times in each of thirty-five agricultural areas in the 2012/2013 harvest. Field survey was carried out in three periods: before desiccation for soybean sowing, before postemergence herbicide in soybean first application and before postemergence herbicide application in late harvest. A total of 525 m2 was inventoried and 3,219 weeds were collected, which included 79 species, 58 genera and 28 families. Families Poaceae, Asteraceae, Euphorbiaceae, Fabaceae, Amaranthaceae, were the most representative in the survey. Species Cenchrus echinatus, Glycine max, Chamaesyce hirta, Commelina benghalensis, and Alternanthera tenella stood out in importance. The RR+millet soybean treatment had the highest number of species (44), while the conventional soybean + sorghum treatment had the lowest number of species (18). The highest number of species was recorded in first sampling period. Treatments conventional soybean + maize and conventional soybean + millet showed higher similarity (70%), while treatments RR soybean + millet and conventional soybean + sorghum showed the least (51%). Species of difficult control were recorded in all cultivation systems analyzed.

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