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The effects of tree planting on allergenic pollen production in New York City.

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Title: The effects of tree planting on allergenic pollen production in New York City.
Authors: Katz, Daniel S.W.1 (AUTHOR) dankatz@cornell.edu, Robinson, Guy S.2,3 (AUTHOR), Ellis, Alexis4 (AUTHOR), Nowak, David J.4 (AUTHOR)
Source: Urban Forestry & Urban Greening. Feb2024, Vol. 92, pN.PAG-N.PAG. 1p.
Subject Terms: *Tree planting, *Pollen, *Cities & towns, Allometric equations, Oak, Honey, Urban trees, Birch
Geographic Terms: New York (N.Y.)
Abstract: Planting low-pollen trees could reduce aeroallergen exposure in cities, but the effects of historical tree planting on contemporary airborne pollen exposure remains largely unexplored. Whether tree selection decisions can effectively reduce airborne pollen will depend in part on which taxa are the most important sources of allergenic pollen and the extent to which they are intentionally planted vs. unplanted (i.e., recruiting naturally). Here, we use airborne pollen measurements to examine which taxa are of allergenic importance in New York City (NYC), and then combine two tree surveys with allometric equations to determine pollen production for several taxa. Future changes in pollen production as a function of growth, mortality, and recruitment are then simulated using i-Tree Eco Forecast. The most important producers of allergenic pollen in NYC are Quercus, Platanus, Morus, and Betula ; they comprise 71% of airborne pollen measured and 93% of estimated pollen production (107 quadrillion pollen grains; however, pollen production was not estimated for all taxa). Previous municipal planting decisions have resulted in the high abundance of Platanus × acerifolia ; it accounts for 34% of total street tree basal area and has an estimated annual pollen production of 27.7 ± 6.4 quadrillion grains. In contrast, Morus and Betula are generally unplanted, indicating that tree planting decisions will have smaller effects on their future pollen production rates in NYC. Quercus trees produced an estimated 68.2 ± 12.3 quadrillion pollen grains and accounted for almost 25% of airborne pollen collected, but were very abundant in parks and were mostly unplanted, suggesting that planting has not and will not have a major effect on city-wide pollen production. Overall, this study demonstrates that tree planting decisions can have important and long-lasting consequences for city-wide pollen production but only for species that are both primarily planted and large producers of allergenic pollen. [ABSTRACT FROM AUTHOR]
Copyright of Urban Forestry & Urban Greening is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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An: 175135208
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PubTypeId: academicJournal
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  Data: The effects of tree planting on allergenic pollen production in New York City.
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  Data: <searchLink fieldCode="AR" term="%22Katz%2C+Daniel+S%2EW%2E%22">Katz, Daniel S.W.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> dankatz@cornell.edu</i><br /><searchLink fieldCode="AR" term="%22Robinson%2C+Guy+S%2E%22">Robinson, Guy S.</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ellis%2C+Alexis%22">Ellis, Alexis</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nowak%2C+David+J%2E%22">Nowak, David J.</searchLink><relatesTo>4</relatesTo> (AUTHOR)
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  Data: *<searchLink fieldCode="DE" term="%22Tree+planting%22">Tree planting</searchLink><br />*<searchLink fieldCode="DE" term="%22Pollen%22">Pollen</searchLink><br />*<searchLink fieldCode="DE" term="%22Cities+%26+towns%22">Cities & towns</searchLink><br /><searchLink fieldCode="DE" term="%22Allometric+equations%22">Allometric equations</searchLink><br /><searchLink fieldCode="DE" term="%22Oak%22">Oak</searchLink><br /><searchLink fieldCode="DE" term="%22Honey%22">Honey</searchLink><br /><searchLink fieldCode="DE" term="%22Urban+trees%22">Urban trees</searchLink><br /><searchLink fieldCode="DE" term="%22Birch%22">Birch</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22New+York+%28N%2EY%2E%29%22">New York (N.Y.)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Planting low-pollen trees could reduce aeroallergen exposure in cities, but the effects of historical tree planting on contemporary airborne pollen exposure remains largely unexplored. Whether tree selection decisions can effectively reduce airborne pollen will depend in part on which taxa are the most important sources of allergenic pollen and the extent to which they are intentionally planted vs. unplanted (i.e., recruiting naturally). Here, we use airborne pollen measurements to examine which taxa are of allergenic importance in New York City (NYC), and then combine two tree surveys with allometric equations to determine pollen production for several taxa. Future changes in pollen production as a function of growth, mortality, and recruitment are then simulated using i-Tree Eco Forecast. The most important producers of allergenic pollen in NYC are Quercus, Platanus, Morus, and Betula ; they comprise 71% of airborne pollen measured and 93% of estimated pollen production (107 quadrillion pollen grains; however, pollen production was not estimated for all taxa). Previous municipal planting decisions have resulted in the high abundance of Platanus × acerifolia ; it accounts for 34% of total street tree basal area and has an estimated annual pollen production of 27.7 ± 6.4 quadrillion grains. In contrast, Morus and Betula are generally unplanted, indicating that tree planting decisions will have smaller effects on their future pollen production rates in NYC. Quercus trees produced an estimated 68.2 ± 12.3 quadrillion pollen grains and accounted for almost 25% of airborne pollen collected, but were very abundant in parks and were mostly unplanted, suggesting that planting has not and will not have a major effect on city-wide pollen production. Overall, this study demonstrates that tree planting decisions can have important and long-lasting consequences for city-wide pollen production but only for species that are both primarily planted and large producers of allergenic pollen. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Urban Forestry & Urban Greening is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.ufug.2024.128208
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Tree planting
        Type: general
      – SubjectFull: Pollen
        Type: general
      – SubjectFull: Cities & towns
        Type: general
      – SubjectFull: Allometric equations
        Type: general
      – SubjectFull: Oak
        Type: general
      – SubjectFull: Honey
        Type: general
      – SubjectFull: Urban trees
        Type: general
      – SubjectFull: Birch
        Type: general
      – SubjectFull: New York (N.Y.)
        Type: general
    Titles:
      – TitleFull: The effects of tree planting on allergenic pollen production in New York City.
        Type: main
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            NameFull: Katz, Daniel S.W.
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            NameFull: Robinson, Guy S.
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            NameFull: Ellis, Alexis
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            NameFull: Nowak, David J.
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            – D: 01
              M: 02
              Text: Feb2024
              Type: published
              Y: 2024
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              Value: 92
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