scholarly journals Spring phenology of some ornamental species, as an indicator of temperature increase in the urban climate area

2021 ◽  
Vol 13 (3) ◽  
pp. 11007
Author(s):  
Antonela BUICAN STANCIU ◽  
Mariana IONESCU ◽  
Sina COSMULESCU

The aim of this study is to provide information on the phenology of urban spring season, of some species of ornamental trees and shrubs, in the light of climate changes occurred over the recent decades. Ten species of ornamental shrubs and trees cultivated in two areas of a town located in southwestern Romania were studied. It was found that the spring season phenology of the studied species is dependent on the climatic year, in recording differences between the number of days from November 1 and the beginning of each spring phenophase, both from one species to another and from one climatic year to another, and also from one area to another; the spring phenology starting earlier in the urban area regardless of the species and the climatic year. Higher temperatures, rising from one year to another, are speeding-up the onset and development of spring phenology, regardless of species, and the urban climate through the effect of urban heat island leads to even earlier onset of spring phenophases and shortening of the growing season, so that by phenological differences existing within the species from one climatic year to another and from one climatic zone to another, spring season phenology can be considered an indicator of temperature rise.

2016 ◽  
pp. 137-168
Author(s):  
Marina Nonic ◽  
Jelena Nedeljkovic ◽  
Dragan Nonic ◽  
Mirjana Sijacic-Nikolic

European beech (Fagus sylvatica L.) is, along with its significance as a forest species, renowned as an ornamental species, due to its numerous cultivars. Ornamental beech cultivars are planted in various green spaces, but a small number of such trees have ascertained in Serbia. For the time being, production of beech cultivars is represented in a very small number of nurseries, with a negligible share of those seedlings in their total assortment. The aim of this research is to study the attitudes of ornamental trees and shrubs producers towards the nursery production of ornamental beech cultivars, and possibilities of its improvements in Serbia. ?Door to door? survey and in-depth interviews were used as research techniques. Surveys with the representatives of 65 nurseries in Serbia (in the selected statistical region Sumadija and Western Serbia) were conducted in the first stage of data collection. In the second stage of data collection were interviewed the representatives of the 10 nurseries who, during the survey, pointed out that they produce ornamental beech cultivars. Nurserymen?s attitudes suggest that there is a possibility to improve the production of ornamental beech cultivars in Serbia, with the appropriate support measures and increased interest of customers on the market, i.e. with the provision of subsidies for the production of seedlings and greater use of cultivars by utility companies in the cities of Serbia.


Atmosphere ◽  
2021 ◽  
Vol 12 (5) ◽  
pp. 546
Author(s):  
Andreas Matzarakis

In the era of climate change, before developing and establishing mitigation and adaptation measures that counteract urban heat island (UHI) effects [...]


2021 ◽  
Vol 13 (11) ◽  
pp. 5918
Author(s):  
Giacomo Chiesa ◽  
Yingyue Li

Urban heat island and urban-driven climate variations are recognized issues and may considerably affect the local climatic potential of free-running technologies. Nevertheless, green design and bioclimatic early-design analyses are generally based on typical rural climate data, without including urban effects. This paper aims to define a simple approach to considering urban shapes and expected effects on local bioclimatic potential indicators to support early-design choices. Furthermore, the proposed approach is based on simplifying urban shapes to simplify analyses in early-design phases. The proposed approach was applied to a sample location (Turin, temperate climate) and five other climate conditions representative of Eurasian climates. The results show that the inclusion of the urban climate dimension considerably reduced rural HDD (heating degree-days) from 10% to 30% and increased CDD (cooling degree-days) from 70% to 95%. The results reveal the importance of including the urban climate dimension in early-design phases, such as building programming in which specific design actions are not yet defined, to support the correct definition of early-design bioclimatic analyses.


1957 ◽  
Vol 26 (1) ◽  
pp. 37-42 ◽  
Author(s):  
K. KOSUGI ◽  
K. OYOSHI ◽  
A. SUMITOMO ◽  
M. KANEKO

2009 ◽  
pp. 111-128 ◽  
Author(s):  
Ljiljana Keca ◽  
Nenad Rankovic ◽  
Tomislav Radosavljevic

Under the impact of climate changes it is increasingly obvious that forestry should rely more strongly on the multi?functional character of the managed resources. In addition to wood, there is a series of non?wood products and services offered by forests. Non?wood forest products and services consist of various fruits of forest trees and shrubs, mushrooms, various objects made of non?wood material, and especially forest social services, such as recreation, tourism, hunting, photo?safari, etc. This paper presents a marketing analysis on the example of the enterprise dealing with the purchase, processing and sale of wild mushrooms and products made of mushrooms. The study applies a modern methodological approach implemented in similar researches.


2020 ◽  
Vol 23 ◽  
pp. 01009
Author(s):  
Roman A. Shchukin ◽  
Oleg E. Bogdanov ◽  
Ilya P. Zavoloka ◽  
Gennady S. Ryazanov ◽  
Nikolay M. Kruglov

This article presents data on the rooting of green cuttings of the studied species of ornamental trees and shrubs in a greenhouse with a misting system. We accounted the number of days from planting to the root formation and the number of rooted cuttings for each replication during our performance. We studied the influence of root formation stimulants on the rooting rate of various types of ornamental deciduous, flowering and coniferous plants. The effect of application of root formation stimulants is confirmed by the formation of a high-quality root system that is superior in length to those that were vegetated without “Kornevin”. However, the use of root formation stimulants is not advisable on shrubby cinquefoil, common privet and common lilac “Mademoiselle Casimir Perier”, because there is practically no increase in the rooting rate of cuttings in these plant species, compared to the control plants.


EDIS ◽  
2006 ◽  
Vol 2006 (20) ◽  
Author(s):  
Jamba Gyeltshen ◽  
Amanda Hodges

EENY-373, a 5-page illustrated fact sheet by Jamba Gyeltshen and Amanda Hodges, describes this pest of ornamental trees and shrubs. Part of the Featured Creatures series, this publication covers the distribution, description, life history, host plant, damage, management, and selected references. Published by the UF Department of Entomology and Nematology, May 2006. EENY-373/IN677: Azalea Lace Bug, Stephanitis pyrioides (Scott) (Insecta: Hemiptera: Tingidae) (ufl.edu)


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