The estimation of winter triticalegene pool for the variety developing of the polissya ecological type

The article is devoted to the issues of the functioning and development of energy in each country, caused mainly by the economic expediency of renewable energy and the requirements of energy independence. Also, the article examines the importance of replacing traditional fuels with alternative energy sources. The international experience of the countries in the field of efficient use of available natural resources of the fuel and energy complex and enhancement of the potential of the energy sector have been analyzed. A number of common characteristics and directions of energy efficiency improvement for European countries are highlighted. Alternative types of energy and measures necessary for their implementation have been offered. The potential resources of renewable energy sources have been analyzed. The article is devoted to the use of economical and ecological type of fuel - biofuel for Ukraine. On the basis of the analysis of the situation on the energy market, renewable energy is examine, which plays a compensatory role in global energy consumption in the conditions of growing exhaustion of non-renewable sources.

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Conservation of Natural Vegetation in Nigeria

Environmental Conservation ◽

10.1017/s0376892900025844 ◽

1977 ◽

Vol 4 (3) ◽

pp. 217-223 ◽

Cited By ~ 8

Author(s):

Bunyamin A. Ola-Adams ◽

Dominic E. Iyamabo

Keyword(s):

Natural Vegetation ◽

Vegetation Types ◽

Optimum Size ◽

Conservation Areas ◽

Forest Reserves ◽

Vegetation Zones ◽

Comprehensive Survey ◽

Ecological Type ◽

Representative Samples

The need to conserve representative samples of natural vegetation was recognized in Nigeria over thirty years ago. Before 1950 only two conservation areas had been laid down but at present there are seven in operation. Most of them are between 60 ha (ca 1/4 sq. mile) and 350 ha (ca 12/5 sq. miles) in area, and together they include at least one example of each major ecological type occurring in the country.There are difficulties in constituting and safeguarding conservation areas, particularly outside State Forest Reserves. While it is to be hoped that legislation will soon be introduced to facilitate protection, a comprehensive survey has recently been carried out with a view to substantially increasing the number of conservation areas in Nigeria, and to make them more fully representative of the different vegetation zones of Nigeria.Work is also proceeding towards determining the optimum size for each area within the different vegetation types. It is hoped to be able to establish up to 40 conservation areas within the next 2 years, and ultimately as many as 110 may be designated.

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Demographic responses of boreal-montane orchid Malaxis monophyllos (L.) Sw. populations to contrasting environmental conditions

Acta Societatis Botanicorum Poloniae ◽

10.5586/asbp.3488 ◽

2016 ◽

Vol 85 (1) ◽

Cited By ~ 4

Author(s):

Edyta Jermakowicz ◽

Emilia Brzosko

Keyword(s):

Anthropogenic Impacts ◽

Reproductive Traits ◽

Dynamic Structure ◽

Reproductive Parameters ◽

Regional Patterns ◽

Geographical Regions ◽

Ecological Type ◽

Demographic Responses ◽

Main Factor

In an age of changes in species’ geographical ranges, compounded by climatic and anthropogenic impacts, it become important to know which processes and factors influence plant populations and their persistence in the long term.Here we investigated dynamic and fitness components in twelve populations of Malaxis monophyllos (L.) Sw., situated in different geographical (regions) and ecological (type of habitat) units. Although M. monophyllos is a rare species, characterized by highly fragmented, boreal-montane distribution range, in last few decades it successfully colonized secondary habitats in Polish uplands. Our results indicate that M. monophyllos is represented mainly by small populations, which annual spatial and temporal changes might be very high, what affects the ephemeral character of these populations, regardless of the region and type of habitat. This dynamic structure, in turn, is caused by intensive exchange of individuals in populations, as well as by their short above-ground life span. Despite the large range of variation in size and reproductive traits, we can distinguish some regional patterns, which indicate boreal region as the most optimal for M. monophyllos growth and persistence in the long term, and with montane and upland/anthropogenic populations, due to lower reproductive parameters, as the most threatened. Although it should be considered that anthropogenic populations, despite their lower reproductive parameters and instability in the long term, present an intermediate, geographical and ecological character, therefore they may be valuable in shaping, both M. monophyllos’ future range, as well as its potential for response on ongoing and future changes. In general, reproduction is the main factor differentiating of M. monophyllos populations in regions, and we can suspect that it may become the cause of the future differentiation and isolation of these populations, occurring with progressive range fragmentation.

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MAPPING THE DISTRIBUTION OF PROTECTED AND VALUABLE, OIL-SENSITIVE COASTAL FISH AND WILDLIFE

International Oil Spill Conference Proceedings ◽

10.7901/2169-3358-1981-1-325 ◽

1981 ◽

Vol 1981 (1) ◽

pp. 325-329 ◽

Cited By ~ 1

Author(s):

Charles D. Getter ◽

Larry C. Thebeau ◽

Thomas Ballou ◽

David J. Maiero

Keyword(s):

South Carolina ◽

Puget Sound ◽

Marine Turtle ◽

Home Ranges ◽

Coastal Fish ◽

Pertinent Information ◽

Map Series ◽

Nesting Beaches ◽

Ecological Type ◽

Spawning Sites

ABSTRACT An approach has been developed to produce a map series that displays known, pertinent information concerning the distribution, seasonality, and habits of protected and valuable coastal fish and wildlife that are sensitive to oil spill impacts. This involves a compilation of all literature on the protected and oil-sensitive fish and wildlife for a region. Distribution and abundance data are then evaluated for each species, and all point localities, aggregations, and home ranges are shown on maps. These data include marine mammal haul-out and pupping areas, terrestrial mammal feeding areas, marine bird rookeries, salmon and herring streams and intertidal spawning sites, marine turtle nesting beaches, and intertidal shellfish beds. Aerial surveys are then made of the sites located during the literature search to verify the mapped literature data, as well as to add new wildlife localities. Information on the species, their distribution and ecological type, their habits, and seasonality is color coded on the maps. This approach has been applied to coastal areas in Shelikof Strait (Alaska), Puget Sound (Washington), southeastern Florida, and Massachusetts, and is underway for South Carolina and Norton Sound (Alaska).

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Comparative analysis of two ecological type modes of performance for a simple energy converter

Journal of the Energy Institute ◽

10.1179/014426009x12448189963432 ◽

2009 ◽

Vol 82 (4) ◽

pp. 223-227 ◽

Cited By ~ 17

Author(s):

L. A. Arias-Hernandez ◽

M. A. Barranco-Jiménez ◽

F. Angulo-Brown

Keyword(s):

Comparative Analysis ◽

Energy Converter ◽

Ecological Type

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Criteria for attracting plants for introduction to the steppe zone of Khakassia

Bulletin of the State Nikitsky Botanical Gardens ◽

10.36305/0513-1634-2020-136-33-41 ◽

2021 ◽

pp. 33-41

Author(s):

L. P. Kravtsova ◽

S. A. Saaja

Keyword(s):

Type Species ◽

Steppe Zone ◽

Source Material ◽

Forest Steppe ◽

Central Asian ◽

The Family ◽

Dry Conditions ◽

Ecological Type ◽

Continental Climate ◽

Selection Of

Based on the research carried out in 1995-2019, the main approaches to the selection of criteria for attracting introduced species in the dry conditions of Khakassia are substantiated. The objects of research are 14 species of medicinal plants of the family Lamiaceae Lindl. different areas of origin. During the introduction, we used the method of comparing climates and generally accepted research methods. The most promising sources of source material are species that have Euro-Asian, Siberian-Central Asian, and North American ranges; by belt-zonal type - forest-steppe, mountain-steppe boreal; by ecological type - species from the group of mesoxerophytes, xeropetrophytes that have wide ecological amplitude, the requirements of which correspond to the conditions of the sharply continental climate of Khakassia.

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A Nonlinear Dynamical Model to Study the Removal of Gaseous and Particulate Pollutants in a Rain System

Nonlinear Analysis Modelling and Control ◽

10.15388/na.2007.12.2.14713 ◽

2007 ◽

Vol 12 (2) ◽

pp. 227-243

Author(s):

R. Naresh ◽

S. Sundar

Keyword(s):

Numerical Study ◽

Nonlinear Differential Equations ◽

Gaseous Pollutants ◽

Particulate Matters ◽

Nonlinear Mathematical Model ◽

Nonlinear Dynamical ◽

Particulate Pollutants ◽

Rain Drops ◽

Ecological Type ◽

Very High

An ecological type nonlinear mathematical model is proposed to study the removal of gaseous pollutants and two distinct particulate matters by precipitation scavenging in the atmosphere. The atmosphere during precipitation consists of five interacting phases namely the raindrops phase, the gaseous pollutants phase, the smaller particulate matters phase, the larger particulate matters phase and the absorbed phase of gaseous pollutants. We assume that gaseous pollutants are removed from the atmosphere by the processes of impaction as well as by absorption while particulate matters are assumed to be removed by impaction process. The model is analyzed using stability theory of nonlinear differential equations. It is shown that, under appropriate conditions, the pollutants can be removed from the atmosphere and their removal rates would depend mainly upon the rates of emission of pollutants, rate of rain drops formation and the rate of raindrops falling on the ground. If the rate of precipitation is very high, all the pollutants (gaseous as well as particulate matters) would be removed completely from the atmosphere. A numerical study is also performed to study the dynamics of the model system. The results are found to be in line with the experimental observations published in the literature.

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Analysis of Types and Selection of Ecological-Type Revetment in Town's River Channel Construction

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.225-226.678 ◽

2011 ◽

Vol 225-226 ◽

pp. 678-683

Author(s):

Ying Hua Wang ◽

Hai Xing Wang

Keyword(s):

Suitable Condition ◽

Economic Cost ◽

River Channel ◽

Natural Vegetation ◽

Small Cities ◽

Engineering Characteristics ◽

Selection Principles ◽

Ecological Type ◽

Selection Of

There are many kinds of Ecological-type revetment, including types of Natural vegetation, Masonry, Eco-Concrete and so on. What is more, the engineering characteristics, economic cost, suitable condition of application are all different. Therefore we should choose appropriate types of ecological-type revetment in the construction of river channel for small cities and towns. This article includes the overview of the progress of ecological-type revetment rectification measures, the types and characteristics of ecological-type revetment. Selection principles of economics, security, aesthetics as well as the consideration of the idea of harmonious coexistence between man and water in ecological-type revetment construction are proposed.

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