Category Archives: urban forestry

Urban trees and benches should be aspects of urban forestry and urban design

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The placing of benches and trees seems to bring out the worst in public authorities. Having created good SLOAP (= Space Left Over After Planning) they try to ameliorate the problem by calling up the landscapers and asking them to stick in a few benches and trees. Damn them! The correct policy is to treat urban trees not as ‘ornaments’ but as part of a multi-objective urban forestry programme. The objectives could and should include:

– improving the microclimate (eg by providing shelter and shade)
– improving views
– creating spatial containment
– helping to combat global warming
– producing fruit
– creating habitats for wildlife and increasing biodiversity
– producing firewood for local residents (eg from coppice trees)
– managing surface water (SUDS LID)

The below photograph shows Bryant Park in New York City. It was re-designed in the 1980s using ideas drawn from the greatest landscape planning theorist of the twentieth century: William H Whyte. The photographs shows urban seats which are NOT fixed in position, paving which is NOT sealed and trees which deserve the accolade ‘urban forestry’.


Top image courtesy RP Norris Lower image courtesy Ed Yourdon

Attitudes to life, death and trees in western culture and 'civilization'

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Attitudes to trees in Ancient West Asia and Early Christian Europe

Attitudes to trees in Ancient West Asia and Early Christian Europe

The illustrations show a Tree of Life (above left) in ancient West Asia, the felling of a Sacred Tree by St Boniface (Thor’s Oak, above right) and a Hanging Tree during the 30 Years War (below).

Jacques Callot, The Hangman’s Tree, 1633,

Jacques Callot, The Hangman’s Tree, 1633,


What do the illustrations tell us about changing attitudes to trees in western civilization? Here are some possibilities:

  • the ancients saw trees (and forests) as symbols of the natural forces which control the world
  • the early Church regarded tree-worship as idolatrous, because there is only one true God
  • both trees and people were destroyed in the religious wars of the seventeenth century

In clearing and ‘managing’ what is left of the world’s forest cover we may be marching in the path of the Easter Islanders. At present, the most densely wooded countries are Finland (86% of the total land area), Sweden (57%) and Austria (47% ). Australia, suprisingly, has 20.1% forest cover. The European countries with the least forest are Ireland, with 8% of the land as forested and the United Kingdom with 11%.

Urban forestry and landscape architecture

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In addition to being beautiful, the trees and gravel in the Place des Vosges are good for microclimate, wildlife and hydrology.

In addition to being beautiful, the trees and gravel in the Place des Vosges are good for microclimate, wildlife and hydrology.

All good foresters know that tree planting must serve multiple objectives: beauty, timber production, habitat creation, water management, public recreation, carbon cycle re-balancing etc. Urban landscape architects, on the whole, are less enlightened. Too often, they think of tree planting as decorative activity akin to the placement of public art in cities. Urban foresters should broaden their horizons, as rural foresters claim to have done.

Image of Place des Vosges courtesy of cripics