A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Alytaus miesto dirvožemio ir jame augančių želdinių būklės stebėsena ; Monotoring of soil and greenery condition in Alytus town
Cities are extraordinary creations of man, where greenery plays an important role. Since 2008 the Law on landscaping (01/14/2008, Nr.D1-31) came into effect. The program of landscaping and monitoring the plantation condition focuses on the collection of data, assessing, managing, predicting conditions and increasing the green areas and spaces in the territory of the municipality. As a result, in 2009 the Environmental Protection Department of the Alytus Municipality opened the contest for the preparation and monitoring of green spaces in Alytus city in 2009-2013. The aim of our research is to assess the quality of soil and green spaces in the city of Alytus, to determine the soil pH, the amount of nitrogen, phosphorus and potassium, as well as to assess the contamination of soil by sodium and chlorine. The defoliation, discolouration, necrosis of leaves and violation of tree trunks in the green spaces were evaluated on a of the five point scale from 1 to 5 in the period from August to September. Chemical analysis shows that the pH of soil is optimal for the deciduous trees and shrubs in parks and squares of Alytus city (pH 6.0-7.0), but it could be more acid as optimal pH is from 4.5 to 5.0. The amount of phosphorus and potassium in plants is not sufficient (<150mg kg), with the exception of Angels Church Square, where the amount of chemical elements exceeds the norm. The soil of urban street greenery is slightly alkaline (pH from 7.1 to 7.8), and in the Pulkas street the soil is more alkaline (pH 8.2). The soil of street green spaces is not contaminated with chemicals Cl and Na however; the amount of nutrients (N, P, K, Ca and Mg) essential for growth is limited. In addition, the alkaline environment (pH above the 7) aggravates the intake of chemical elements from soil. All in all, the condition of greenery was moderate, whereas the condition of woody plants in the protective – street stands was noticeably worse. The condition of parks, squares, and other recreational areas was good. The most common signs of physiological changes were: defoliation, discolouration and dry branches. The human negative impact and damage was noticeable on trunks of woody plants and trees.
Alytaus miesto dirvožemio ir jame augančių želdinių būklės stebėsena ; Monotoring of soil and greenery condition in Alytus town
Cities are extraordinary creations of man, where greenery plays an important role. Since 2008 the Law on landscaping (01/14/2008, Nr.D1-31) came into effect. The program of landscaping and monitoring the plantation condition focuses on the collection of data, assessing, managing, predicting conditions and increasing the green areas and spaces in the territory of the municipality. As a result, in 2009 the Environmental Protection Department of the Alytus Municipality opened the contest for the preparation and monitoring of green spaces in Alytus city in 2009-2013. The aim of our research is to assess the quality of soil and green spaces in the city of Alytus, to determine the soil pH, the amount of nitrogen, phosphorus and potassium, as well as to assess the contamination of soil by sodium and chlorine. The defoliation, discolouration, necrosis of leaves and violation of tree trunks in the green spaces were evaluated on a of the five point scale from 1 to 5 in the period from August to September. Chemical analysis shows that the pH of soil is optimal for the deciduous trees and shrubs in parks and squares of Alytus city (pH 6.0-7.0), but it could be more acid as optimal pH is from 4.5 to 5.0. The amount of phosphorus and potassium in plants is not sufficient (<150mg kg), with the exception of Angels Church Square, where the amount of chemical elements exceeds the norm. The soil of urban street greenery is slightly alkaline (pH from 7.1 to 7.8), and in the Pulkas street the soil is more alkaline (pH 8.2). The soil of street green spaces is not contaminated with chemicals Cl and Na however; the amount of nutrients (N, P, K, Ca and Mg) essential for growth is limited. In addition, the alkaline environment (pH above the 7) aggravates the intake of chemical elements from soil. All in all, the condition of greenery was moderate, whereas the condition of woody plants in the protective – street stands was noticeably worse. The condition of parks, squares, and other recreational areas was good. The most common signs of physiological changes were: defoliation, discolouration and dry branches. The human negative impact and damage was noticeable on trunks of woody plants and trees.
Alytaus miesto dirvožemio ir jame augančių želdinių būklės stebėsena ; Monotoring of soil and greenery condition in Alytus town
Gerulienė, Gintarė (author) / Vaisvalavičius, Rimantas
2011-05-16
Theses
Electronic Resource
Lithuanian , English
DDC:
710
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