Huge Yields of Green Belts? Mega and Micro Plantation Forestry Cases from Indonesia, Ghana and Zimbabwe

2010 ◽  
pp. 1353-1368
Author(s):  
Tapani Tyynelä
Keyword(s):  
Plantation Forestry ◽  
Green Belts

Green Belts for Sustainable Improvement of Air Quality

2021 ◽  
pp. 423-435
Author(s):  
S.B. Chaphekar ◽  
R.P. Madav ◽  
Seemaa S. Ghate
Keyword(s):  
Air Quality ◽  
Sustainable Improvement ◽  
Green Belts

scholarly journals Evaluating Plantation Forest vs. Natural Forest Regeneration for Biodiversity Enhancement in Hong Kong

Forests ◽  
2021 ◽  
Vol 12 (5) ◽  
pp. 593
Author(s):  
Janet E. Nichol ◽  
Sawaid Abbas
Keyword(s):  
Hong Kong ◽  
Species Richness ◽  
Forest Regeneration ◽  
Forest Succession ◽  
Natural Forest ◽  
Plantation Forestry ◽  
Aerial Photographs ◽  
Continuous Increase ◽  
Natural Forest Regeneration ◽  
Spatio Temporal

Global trends predict a continuous increase in the proportion of forest occupied by plantations up to the end of the 21st century, while a dramatic loss of biodiversity is foreseen as a result of anthropogenic exploitation and climate change. This study compares the role and performance of plantation policies in Hong Kong, with natural regeneration of secondary forest, using detailed spatio-temporal data extracted from a previous study. The study extends over a 70-year period from 1945 to 2014 using aerial photographs and satellite images of five time periods to document spatio-temporal trends in plantation forestry and natural forest succession. Field data on species richness and woody biomass at different stages of forest succession are compared with available data from plantations in the same study area. Results indicate that plantation forests support relatively few native species in the understory, with much lower species richness than naturally regenerated forest, even after 6 to 7 decades. Time-sequential maps of habitat change show that natural forest succession from barren grassy hillsides, progressed at an annual rate of 7.8%, from only 0.2% of the landscape post WWII, to over 37% today. Plantation forestry on the other hand has been less successful, and has even acted as a barrier to natural forest regeneration, as mono-cultural plantations from the late 1960s to 1980s are still plantations today, whereas other similar areas have succeeded naturally to forest. The theory of plantations acting as a nurse crop for a woody native understory is not supported, as Pinus massoniana plantations, destroyed by two deadly nematodes during the 1970s, apparently had no woody understory, as they were seen to have reverted to grassland in 1989 and are still mainly grassland today.

Plantation Forestry in South Africa and its Impact on Biodiversity

1998 ◽  
Vol 182 (1) ◽  
pp. 59-65 ◽  
Author(s):  
A. J. Armstrong ◽  
G. Benn ◽  
A. E. Bowland ◽  
P. S. Goodman ◽  
D. N. Johnson ◽  
...  
Keyword(s):  
South Africa ◽  
Plantation Forestry ◽  
Impact On Biodiversity

Plantation forestry in the tropics

1984 ◽  
Vol 7 (3) ◽  
pp. 233-235
Author(s):  
B. Lundgren
Keyword(s):  
Plantation Forestry ◽  
The Tropics

scholarly journals Plantation forestry diseases in Zambia: Contributing factors and management options

2010 ◽  
Vol 67 (8) ◽  
pp. 802-802 ◽  
Author(s):  
Donald Chungu ◽  
Ambayeba Muimba-Kankolongo ◽  
Michael J. Wingfield ◽  
Jolanda Roux
Keyword(s):  
Plantation Forestry ◽  
Contributing Factors ◽  
Management Options

Land politics

2016 ◽  
Author(s):  
Brian Lund
Keyword(s):  
Interest Groups ◽  
House Prices ◽  
New Towns ◽  
Political Conflicts ◽  
Land Politics ◽  
General Elections ◽  
Local Use ◽  
Rural England ◽  
Green Belts

This chapter explores political conflicts over the land issue. It examines the role of land value in house prices over time, the thinking underlying Henry George’s land tax proposal, the fate of the various attempts to tax betterment value and Lloyd George’s challenge to the landed aristocracy. The politics of planning controls are reviewed with particular reference to the influence of interest groups such as the Campaign for the Protection of Rural England. The fortunes of Green Belts, New Towns, Eco-towns, Regional Development Agencies and the local use and national responses to development control are investigated. The connections between planning control and the containment of urban Britain are examined as are the electoral politics of land release in the 2010 and 2015 General Elections.

scholarly journals Progettare "paesaggi di limite"

2006 ◽  
Author(s):  
Antonella Valentini
Keyword(s):  
Marked Reduction ◽  
Urban Fringe ◽  
Landscape Quality ◽  
Border Areas ◽  
Green Belts

This book addresses the issue of the design of urban fringe landscapes, focusing in particular on the experience of the "green belts" and the "green wedges". Experimenting in the urban peripheries of Florence, the fringe landscape project is not aimed at the reconstruction of ideal city limits, but is a container for examples of rebalance, connotation and regeneration proper to the border areas, which feature an indeterminacy of identifying characteristics and a marked reduction in landscape quality.

scholarly journals Green belt’s effect on fine particle matter (PM2.5) in residential cluster: based on CFD simulation

2021 ◽  
Vol 237 ◽  
pp. 01011
Author(s):  
changwei Xiong ◽  
qingchang Chen
Keyword(s):  
Air Pollution ◽  
City Planning ◽  
Cfd Simulation ◽  
Fine Particles ◽  
Site Investigation ◽  
Healthy City ◽  
Green Belt ◽  
Fine Particulate ◽  
The Impact ◽  
Green Belts

In the area of residential green belt planning, most planners pay attention to the landscape function of green belts, while few researchers consider the impact of green belt on the concentration of fine particulate matter in the air. Based on site investigation, information about plants, buildings and weather in the selected area were collected, combined with air pollution measurement, four CFD models with different green belt composition were built and simulated. The results showed that at the residential cluster scale, green belts had two effects on fine particles: blocking and agglomeration. Under the two effects, the role of green belts in reducing fine particulate pollution was not always positive, improper green belts could even aggravate air pollution. This study discussed the impact of different greenbelt composition on PM2.5 concentration in residential clusters by CFD simulation, providing theoretical and methodological support for green belt planning and healthy city planning.

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