Article Figures & Data
Figures
- Figure 1.
Data form (data from Yuthok Lam, and Lhasa).
- Figure 2.
Cross-section sketch of Niti Marg and New Delhi.
- Figure 3.
Plan of Niti Marg and New Delhi.
- Figure 4.
Number of tree spacings observed and number of tree pit sizes observed in three cities in relation to number of samples.
Tables
- Table 1.
Frequency of occurrence by biome of the top three most commonly encountered tree species in each city.
Biome Average frequency of occurrencez Range of average frequency of occurrencez Tropical forest 25.6 38–13 Broadleafed evergreen forest 21.7 39–15 Deciduous forest 36.4 56–13 Coniferous forest 35.7 80–16 Mixed deciduous–coniferous forest 40.4 59–27 Mediterranean woodland/scrub 27.5 32–19 Savanna 29.2 24–14 Grassland 30.9 83–18 Desert 40.9 71–16 Tundra 55.0 91–6 Highland 33.7 67–21 Average 34.3 58.2–16.2 ↵zOf the three most commonly encountered street tree species in each city.
Biome/city Boulevard Street Modal (m) Range (m) Modal (m) Range (m) Tropical forest Bangkok 7.5 6.5–8 6 4–13.3 Rio de Janeiro 12 13–20 7.5 3–13.3 Singapore 12 3–33 10 5–26 Broad-leafed evergreen forest Hong Kong 10 8–13.3 4 3–8 Sydney 15 15 12 5–20 Tokyo 7.5 8–10 7.5 6–13.3 Deciduous forest London 12 12 12 6–20 New York 12 10–13.3 7.5 8–14 Paris 11.5 10–13 6 5–6 Coniferous forest Jacksonville 12 10–13.3 7.5 3–13 Seattle 10.5 8–12 5 4–12 Vancouver 12 8–13.3 10 4–13 Mixed deciduous–coniferous forest Beijing 2 2 5 2–6 Moscow 6 2–8 6 2–8 Stockholm 8.5 3–20 10 8–18 Mediterranean woodland/scrub Athens 10 5–12 5 3–7 Los Angeles 15 6–40 5 5–12 Tel Aviv 20 12–22 12 8–13.3 Savanna Brasilia 12 10–72 10 5–16 Lagos 10.5 8–13.3 6 4–10 New Delhi 12 3–20 20 10–20 Grassland Buenos Aires 12 12 10 2–20 Johannesburg 23 10–23 13.3 10–23 Tehran 6 2–12 4 4–6 Desert Cairo 12 3–13,3 5 2–13.3 Dubai 11 5–16 6 6–8 Phoenix 15 6–33 6 6–16 Tundra Murmansk 2 2–2.5 6 2–8 Nuuk NA NA NA NA Reykjavik NA NA 6 2–10 Highland Cusco 13.3 10–14 5 3–10 Lasha NA NA 5 4–6 Quito 15 5–42 7 5–18 NA = not applicable.
Biome/city Boulevard median width Street tree well Modal (m) Range (m) Modal (m) Range (m) Tropical forest Bangkok 2 2 1.2 × 2 1 × 1–2 × 6 Rio de Janeiro 2 2–13 1 × 1 1 × 1–1 × 2 Singapore 5 5 2.5 × 2.5 2 × 6–2 × 3 Broad-leafed evergreen forest Hong Kong 2 2 1 × 1 1 × 1–1 × 22 Sydney 10 10 1.2 × 2 0.6 × 0.6–1 × 2 Tokyo 1.5 1.5–6.5 1.5 × 1.5 1 × 1–1.5 × 2 Deciduous forest London 8 8 0.6 × 1 0.6 × 0.6–1 × 3 New York 2 2–3.5 1.2 × 2 0.6 × 1–2 × 3 Paris NA 5–8 NA 2 (dia.) 2 (dia.) Coniferous forest Jacksonville 5 5–8 1.5 × 2 1 × 1–2 × 2 Seattle 3 2.5–3.5 1.2 × 1.2 1.2 × 1.2–1.2 × 2 Vancouver 3 2–3 1.2 × 2 1 × 1–1.2 × 2 Mixed deciduous–coniferous forest Beijing 1 1–1.5 1 × 1 1 × 1–3 × 3 Moscow 40 12–40 NA NA Stockholm 3.3 5–8 1 × 1.2 1 × 1–1.2 × 1.2 Mediterranean woodland/scrub Athens 1 3–7 1 × 1 0.5 × 0.5–1 × 1 Los Angeles 3.3 1.5–11 NA NA Tel Aviv 12 10–20 1 × 1 0.6 × 2 Savanna Brasilia 3.3 5–7 1 × 1 0.6 × 0.6–2.2 × 2.2 Lagos 2 2–3 NA NA New Delhi 7.5 7.5 1 × 1 1 × 1–1.2 × 2 Grassland Buenos Aires 15 15 1.2 × 1.2 1 × 1–2 × 2 Johannesburg 4 0.6–4 1 × 1 0.6 × 0.6–1.2 × 1.2 Tehran 2 2–3 NA NA Desert Cairo 3 0.6–10 0.6 × 0.6 0.3 × 0.3–1.2 × 3 Dubai 6 3–10 NA NA Phoenix 4 2.5–8 NA NA Tundra Murmansk 7.5 7.5 NA NA Nuuk NA NA NA NA Reykjavik NA NA 1 × 1 0.6 × 0.6–2 × 2 Highland Cusco 3 3–4 NA NA Lasha NA NA NA NA Quito 3 3 0.3 × 0.3 0.3 × 0.3–1.2 × 1.2 NA = not applicable.
- Table 4.
Relationship between the number of tree species reported and observed in eight cities using the method reported in this article.
City Number of tree species Percent of reported Reported Observed Bangkok 127z 33 26 New York 127y 61 48 Beijing 170x 32 19 Buenos Aires 160w 40 25 Dubai 85v 30 35 Murmansk 16u 13 81 Quito 25t 13 52
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