Abstract
The planting site,size,and health condition of street tree Ginkgo biloba in Beijing urban area were investigated and the influence factors were analyzed based on filed survey.The results showed that G.biloba were mainly planted in tree pit within strip planting median.The average height,diameter at breast height and canopy diameter were 8.11 m,13.22 cm and 4.07 m,respectively,82.9% trees were less than 10 m in height,and most G.biloba trees were still in the initial stage of height and diameter increment.The tree health status was described with three classes: class I(healthy),class II(fair) and class III(unhealthy).The percentage of class I,II and III for G.biloba trees in Beijing urban area accounted for 16.0%,37.2% and 42.9% respectively.The results of analysis showed that the health status of G.biloba was associated with the site condition,tree size and management practices.The trees planted in urban forest patch grew better than the trees planted in green belts and tree pits;meanwhile,the bigger trees were healthier than the smaller ones.In addition,the effects of urban heterogeneous environment and human activities on the health of Ginkgo biloba were analyzed and the suggestions on management were launched.
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Claims 12
Claim · model-written summary
Most Ginkgo biloba street trees in Beijing are planted in tree pits within strip planting medians.
- Taxon
- Ginkgo biloba
Ginkgo bilobat0 - Outcome
- mainly plantede1
- Qualifier
- tree pit within strip planting mediane1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e1“G.biloba were mainly planted in tree pit within strip planting median”
Claim · model-written summary
The average height of Ginkgo biloba street trees is 8.11 m.
- Taxon
- Ginkgo bilobaGinkgo bilobat0
- Outcome
- average heighte2
- Value
- 8.11 me2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e2“The average height,diameter at breast height and canopy diameter were 8.11 m,13.22 cm and 4.07 m,respectively”
Claim · model-written summary
The average diameter at breast height of Ginkgo biloba street trees is 13.22 cm.
- Taxon
- Ginkgo bilobaGinkgo bilobat0
- Outcome
- diameter at breast heighte2
- Value
- 13.22 cme2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e2“The average height,diameter at breast height and canopy diameter were 8.11 m,13.22 cm and 4.07 m,respectively”
Claim · model-written summary
The average canopy diameter of Ginkgo biloba street trees is 4.07 m.
- Taxon
- Ginkgo bilobaGinkgo bilobat0
- Outcome
- canopy diametere2
- Value
- 4.07 me2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e2“The average height,diameter at breast height and canopy diameter were 8.11 m,13.22 cm and 4.07 m,respectively”
Claim · model-written summary
82.9% of Ginkgo biloba street trees are less than 10 m in height.
- Taxon
- Ginkgo bilobaGinkgo bilobat0
- Outcome
- less than 10 m in heighte3
- Value
- 82.9%e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e3“82.9% trees were less than 10 m in height”
Claim · model-written summary
Most Ginkgo biloba street trees are still in the initial stage of height and diameter increment.
- Taxon
- Ginkgo bilobaGinkgo bilobat0
- Organ / stage
- initial stagee4
- Outcome
- height and diameter incremente4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e4“most G.biloba trees were still in the initial stage of height and diameter increment”
Claim · model-written summary
16.0% of Beijing Ginkgo biloba street trees are in health class I (healthy).
- Taxon
- Ginkgo bilobaGinkgo bilobat0
- Outcome
- percentage of class I,II and IIIe5
- Value
- 16.0%e5
- Qualifier
- class I(healthy)e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e5“The percentage of class I,II and III for G.biloba trees in Beijing urban area accounted for 16.0%,37.2% and 42.9% respectively”
e6“class I(healthy),class II(fair) and class III(unhealthy)”
Claim · model-written summary
37.2% of Beijing Ginkgo biloba street trees are in health class II (fair).
- Taxon
- Ginkgo bilobaGinkgo bilobat0
- Outcome
- percentage of class I,II and IIIe5
- Value
- 37.2%e5
- Qualifier
- class II(fair)e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e5“The percentage of class I,II and III for G.biloba trees in Beijing urban area accounted for 16.0%,37.2% and 42.9% respectively”
e6“class I(healthy),class II(fair) and class III(unhealthy)”
Claim · model-written summary
42.9% of Beijing Ginkgo biloba street trees are in health class III (unhealthy).
- Taxon
- Ginkgo bilobaGinkgo bilobat0
- Outcome
- percentage of class I,II and IIIe5
- Value
- 42.9%e5
- Qualifier
- class III(unhealthy)e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e5“The percentage of class I,II and III for G.biloba trees in Beijing urban area accounted for 16.0%,37.2% and 42.9% respectively”
e6“class I(healthy),class II(fair) and class III(unhealthy)”
Claim · model-written summary
Health status of Ginkgo biloba street trees is associated with site condition, tree size and management practices.
- Taxon
- Ginkgo bilobaGinkgo bilobat0
- Treatment
- management practicese7
- Outcome
- health statuse7
- Qualifier
- site conditione7
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e7“the health status of G.biloba was associated with the site condition, tree size and management practices”
Claim · model-written summary
Ginkgo biloba trees planted in urban forest patches grew better than those in green belts and tree pits.
- Taxon
- Ginkgo bilobaGinkgo bilobat0
- Outcome
- grew bettere1
- Direction
- bettere1
- Comparator
- green belts and tree pitse1
- Setting
- urban forest patche1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e1“The trees planted in urban forest patch grew better than the trees planted in green belts and tree pits”
Claim · model-written summary
Bigger Ginkgo biloba street trees are healthier than smaller ones.
- Taxon
- Ginkgo bilobaGinkgo bilobat0
- Outcome
- healthe1
- Direction
- healthiere1
- Comparator
- smaller onese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Ginkgo biloba in Beijing Urban Street Area”
e1“the bigger trees were healthier than the smaller ones”