Urban trees are widespread trees and vegetation occurring within a populated area, they include all trees on public and private lands, eg, parks, sidewalks, public buildings, roads, etc. They play a vital role in the environment as well as human beings, eg, they improve air quality, reduce energy demand for heating & cooling, conserve biodiversity, etc. This book shows the effect of urban trees on Oxygen & Carbon dioxide concentration, Relative humidity, Air temperature and Wind speed: Case study Khartoum State - Sudan. Collected data were analyzed by SPSS & Excel. 28 Statistical models were built to show the relationship between the readings under trees as the dependent variable and that at the bare land as independent one.

Autorentext

Tawhida Yousif holds PhD in urban forestry from Bahri university, MSc from Sudan University, BSc from Juba University. She has published 8 articles in peer reviewed journals. She is interested in climate modification and pollutant gases removal by planting trees, particularly in urban areas. She works as a part time lecturer at Alhfad University.