Academic Journal
Wind acclimation in a subtropical forest: trees on wind-exposed slopes are shorter with smaller crowns.
| Τίτλος: | Wind acclimation in a subtropical forest: trees on wind-exposed slopes are shorter with smaller crowns. |
|---|---|
| Συγγραφείς: | Ankori-Karlinsky R; Department of Ecology, Evolution, and Environmental Biology, Columbia University, 1190 Amsterdam Avenue, New York, NY, 10027, USA., Jackson TD; School of Biological Sciences, University of Bristol, Bristol, BS8 1TQ, UK., Yuan G; Department of Statistics, Columbia University, 1255 Amsterdam Avenue, New York, NY, 10027, USA., Zimmerman JK; Department of Environmental Sciences, University of Puerto Rico, San Juan, PR, 00925, USA., Morton DC; Biospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, 20771, USA., Zheng T; Department of Statistics, Columbia University, 1255 Amsterdam Avenue, New York, NY, 10027, USA., Uriarte M; Department of Ecology, Evolution, and Environmental Biology, Columbia University, 1190 Amsterdam Avenue, New York, NY, 10027, USA. |
| Πηγή: | The New phytologist [New Phytol] 2025 Aug; Vol. 247 (4), pp. 1643-1654. Date of Electronic Publication: 2025 Jun 12. |
| Τύπος έκδοσης: | Journal Article |
| Γλώσσα: | English |
| Στοιχεία περιοδικού: | Publisher: Wiley on behalf of New Phytologist Trust Country of Publication: England NLM ID: 9882884 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1469-8137 (Electronic) Linking ISSN: 0028646X NLM ISO Abbreviation: New Phytol Subsets: MEDLINE |
| Imprint Name(s): | Publication: Oxford : Wiley on behalf of New Phytologist Trust Original Publication: London, New York [etc.] Academic Press. |
| Ιατρικοί όροι (MeSH): | Trees*/anatomy & histology , Trees*/physiology , Trees*/growth & development , Wind* , Forests* , Tropical Climate* , Acclimatization*, Puerto Rico |
| Περίληψη: | Tree architecture is an important component of forest community dynamics - taller trees with larger crowns often outcompete their neighbors, but they are generally at higher risk of wind-induced damage. Yet, we know little about wind impacts on tree architecture in natural forest settings, especially in complex tropical forests. Here, we use airborne light detection and ranging (LiDAR) and 30 yr of forest inventory data in Puerto Rico to ask whether and how chronic winds alter tree architecture. We randomly sampled 124 canopy individuals of four dominant tree species (n = 22-39). For each individual, we measured slenderness (height/stem diameter) and crown area (m2) and evaluated whether exposure to chronic winds impacted architecture after accounting for topography (curvature, elevation, slope, and soil wetness) and neighborhood variables (crowding and previous hurricane damage). We then estimated the mechanical wind vulnerability of trees. Three of four species grew significantly shorter (2-4 m) and had smaller crown areas in sites exposed to chronic winds. A short-lived pioneer species, by contrast, showed no evidence of wind-induced changes. We found that three species' architectural acclimation to chronic winds resulted in reduced vulnerability. Our findings demonstrate that exposure to chronic, nonstorm winds can lead to architectural changes in tropical trees, reducing height and crown areas. (© 2025 The Author(s). New Phytologist © 2025 New Phytologist Foundation. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.) |
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| Grant Information: | BSR-8811902 National Science Foundation; DEB-0080538 National Science Foundation; DEB-0218039 National Science Foundation; DEB-0516066 National Science Foundation; DEB-0620910 National Science Foundation; DEB-0963447 National Science Foundation; DEB-1546686 National Science Foundation; DEB-9411973 National Science Foundation; NE/S010750/1 Natural Environment Research Council; NE/X000281/1 Natural Environment Research Council; 89243018SSC000013 United States NASA NASA |
| Contributed Indexing: | Keywords: Cecropia schreberiana; Dacryodes excelsa; LiDAR; disturbance ecology; tree architecture; tree biomechanics; tropical forests; wind exposure Local Abstract: [Publisher, Spanish; Castilian] La arquitectura de los árboles es un componente importante de la dinámica de la comunidad forestal: los árboles más altos con copas más grandes suelen sobrepasar a sus vecinos, pero por lo general corren más riesgo de sufrir daños inducidos por el viento. Sin embargo, es poco lo que se sabe sobre el impacto del viento en la arquitectura de los árboles en entornos forestales naturales, sobre todo en bosques tropicales complejos. En este caso, utilizamos LiDAR y 30 años de datos de campo en Puerto Rico para preguntarnos si los vientos crónicos alteran la arquitectura de los árboles. Se tomó una muestra aleatoria de 124 individuos del dosel de cuatro especies arbóreas dominantes (n = 22–39). De cada individuo, medimos la esbeltez (altura/diámetro) y el área de la copa (m2) y evaluamos si la exposición a vientos crónicos influía en la arquitectura teniendo en cuenta la topografía (curvatura, elevación, pendiente, humedad del suelo) y las variables del vecindario (aglomeración y daños previos por huracanes). Luego, estimamos la vulnerabilidad mecánica de los árboles al viento. En los lugares expuestos a vientos crónicos, tres de las cuatro especies crecieron mucho menos (2–4 m) y tuvieron áreas de copa más pequeñas. Cecropia schreberiana, en cambio, no mostró indicios de cambios inducidos por el viento. La aclimatación arquitectónica de tres especies a los vientos crónicos llevaba a una reducción de la vulnerabilidad. Nuestros hallazgos demuestran que la exposición a vientos crónicos puede provocar cambios arquitectónicos en los árboles tropicales, reduciendo su altura y la superficie de sus copas. |
| Entry Date(s): | Date Created: 20250612 Date Completed: 20250717 Latest Revision: 20250717 |
| Update Code: | 20260130 |
| DOI: | 10.1111/nph.70294 |
| PMID: | 40501186 |
| Βάση Δεδομένων: | MEDLINE |
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