Relevant bibliographies by topics / Tree sun-exposure

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Tree sun-exposure'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Tree sun-exposure"

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Cornelissen, J. H. C. "Seasonal and year to year variation in performance of Gordonia acuminata seedlings in different light environments." Canadian Journal of Botany 70, no. 12 (1992): 2405–14. http://dx.doi.org/10.1139/b92-299.

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The effects of light environment on temporal growth and allocation patterns in the subtropical Chinese evergreen tree Gordonia acuminata, a gap-dependent species, were studied during its first 2 years of growth. Seedlings were grown in full sun (S100), 55% of full sun (S5S), 33% of full sun (S33), and 18% of full sun (S18). During the 1st year, plant size and leaf dynamics were monitored nondestructively. The best growth was at S33. Growth rates fluctuated more from season to season in treatments of higher relative light exposure, largely owing to sun-imposed inhibition of growth in summer. Le
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Silva Neto, Francisco José da, Leila Bonfanti, Rodrigo Gazaffi, and Anastácia Fontanetti. "EFFECTS OF SHADE TREE SPATIAL DISTRIBUTION AND SPECIES ON PHOTOSYNTHETIC RATE OF COFFEE TREES." Coffee Science 14, no. 3 (2019): 326. http://dx.doi.org/10.25186/cs.v14i3.1584.

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The use of shade trees in coffee fields have been motivated by climatic changes. However, microclimatic conditions in shaded coffee fields differ due to shade tree spatial distribution and species, altering physiological responses of coffee trees. This study aimed to evaluate the effects of shade tree spatial distribution and species on coffee trees photosynthetic rate in two growth seasons, of high (HSD) and low (LSD) sink demand. The experimental design consisted of randomized blocks with three replicates in split-split-plots. Plots were the shade tree species: <em>Anadenanthera falcat
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Hill, Kathryn E., Stuart C. Brown, Alice Jones, Damien Fordham, and Robert S. Hill. "Modelling Climate Using Leaves of Nothofagus cunninghamii—Overcoming Confounding Factors." Sustainability 15, no. 9 (2023): 7603. http://dx.doi.org/10.3390/su15097603.

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Fossil leaf anatomy has previously been used as a proxy for paleoclimate. However, the exposure of leaves to sun or shade during their growth can lead to morphotype differences that confound the interpretation of fossil leaf anatomy in relation to climate and prevent reliable paleoclimate reconstruction. This work aims to model the differences in leaf anatomy that are due to various climatic drivers and differences attributable to sun or shade positions, using Nothofagus cunninghamii as the model species. Leaves from the sun and shade parts of three trees have been sampled from each of 11 site
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Briggs, Allan. "Roosting and breeding behaviour of Tawny Frogmouths Podargus strigoides in central-coastal Queensland." Australian Field Ornithology 40 (2023): 70–76. http://dx.doi.org/10.20938/afo40070076.

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The roosting and breeding behaviour of a pair of Tawny Frogmouths Podargus strigoides was observed on the central Queensland coast over a period of 4 years (2018–2021). The study was conducted in a subtropical climate near Rockhampton, and provides data from a different geographical and climatic area compared with previous studies that were conducted in temperate southern Australia (New England Tablelands, Moree, and Sydney, New South Wales, and the Australian Capital Territory). Breeding data matched other studies: breeding in November–December, incubation of 28–30 days, fledging at 27–31 day
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Medina Arroyo, Henry Hernan, Jhon Jerley Torres Torres, Carlos Alexis Palacios Palacios, Bayron Alexander Ruiz Blandón, Melida Martínez Guardia, and Leiser Rengifo Murillo. "Germination and growth of the tree Handroanthus chrysanthus (Bignoniaceae) under nursery conditions." UNED Research Journal 12, no. 2 (2020): e3175. http://dx.doi.org/10.22458/urj.v12i2.3175.

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Introduction: Selective logging of forests has significantly diminished the densities of Handroanthus chrysantha Jacq. in Colombia. Therefore, there is a need for studies that contribute to its management. Objective: We aimed to evaluate seed germination and the growth of seedlings under nursery conditions. Methods: Four pre-germinative, four organic substrates and two luminosity conditions were tested. We used a random multifactorial experimental design composed of 32 controlled factors. The main components were immersion of seeds in water at room temperature at different times, combinations
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Schweiger, Anna K., Alexis Lussier Desbiens, Guillaume Charron, Hughes La Vigne, and Etienne Laliberté. "Foliar sampling with an unmanned aerial system (UAS) reveals spectral and functional trait differences within tree crowns." Canadian Journal of Forest Research 50, no. 10 (2020): 966–74. http://dx.doi.org/10.1139/cjfr-2019-0452.

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Imaging spectroscopy is currently the best approach for continuously mapping forest canopy traits, which is important for ecosystem and biodiversity assessments. Ideally, models are trained with trait data from fully sunlit leaves from the top of the canopy. However, sampling leaves at the top of the canopy is often difficult, and sunlit foliage from the crown periphery is collected instead, assuming minimal within-crown trait variation among sunlit leaves. We tested the degree to which crown position affects foliar traits and spectra using mixed-effects models comparing sun leaves from the cr
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Vadeboncoeur, Matthew A., Katie A. Jennings, Andrew P. Ouimette та Heidi Asbjornsen. "Correcting tree-ring δ13C time series for tree-size effects in eight temperate tree species". Tree Physiology 40, № 3 (2020): 333–49. http://dx.doi.org/10.1093/treephys/tpz138.

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Abstract Stable carbon isotope ratios (δ13C) in tree rings have been widely used to study changes in intrinsic water-use efficiency (iWUE), sometimes with limited consideration of how C-isotope discrimination is affected by tree height and canopy position. Our goals were to quantify the relationships between tree size or tree microenvironment and wood δ13C for eight functionally diverse temperate tree species in northern New England and to better understand the physical and physiological mechanisms underlying these differences. We collected short increment cores in closed-canopy stands and ana
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Werle, C. T., and A. L. Witcher. "Potential Impacts of Shade Treatments on Dormancy of Overwintering Redbud (Cercis canadensis L.) Trees at Southeastern Nurseries." Journal of Environmental Horticulture 40, no. 2 (2022): 79–86. http://dx.doi.org/10.24266/2573-5586-40.2.79.

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Abstract Dormancy accrual is an important process in mitigating the abiotic stressors of overwintering trees at ornamental nurseries, with frost-injured tree crops at heightened risk of ensuing biotic insect and disease attack. As mean global temperatures rise, overwintering nursery crops may lose dormancy earlier. Using potted eastern redbud (Cercis canadensis L.) trees placed under two types of shade cloth, under full sun, or in walk-in coolers, we measured stem, air and root zone temperatures, accrual of chill hours and mean time to bud break at two sites. While there was no significant dif
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Baber, Ori, Martijn Slot, Gerardo Celis, and Kaoru Kitajima. "Diel patterns of leaf carbohydrate concentrations differ between seedlings and mature trees of two sympatric oak species." Botany 92, no. 7 (2014): 535–40. http://dx.doi.org/10.1139/cjb-2014-0032.

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A fundamental aspect of the carbon cycle is the exchange of carbon between plants and the atmosphere. It is, therefore, important to understand factors that affect differences in gas exchange and carbon balance within and among species. Concentrations of nonstructural carbohydrates are often used as a proxy for carbon balance. We determined diel patterns of leaf carbohydrate concentrations in relation to irradiance (sun vs. shade) in seedlings and mature trees of two sympatric oak species (Quercus virginiana Mill. and Quercus hemisphaerica Bartram ex Willd.). For seedlings, we also measured le
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Marler, Thomas E., and Louann C. Guzman. "Physiological Responses of Intsia bijuga Trees to Drought Stress." HortScience 30, no. 4 (1995): 860A—860. http://dx.doi.org/10.21273/hortsci.30.4.860a.

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Intsia bijuga is an important native tree on Guam, and is being promoted as an urban forestry tree. Container-grown I. bijuga trees were subjected to a drying cycle (50% of mean water loss replaced daily) to determine physiological responses to drought. Early to mid-morning gas exchange began to decline compared to well-watered plants on day 12, and quickly declined thereafter. Net CO2 assimilation (A) was close to zero by day 29 and became negative by day 36. Chlorophyll fluorescence of drought-stressed trees was not different from that of well-watered trees on numerous days of measurement th
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Dissertations / Theses on the topic "Tree sun-exposure"

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Melin, Emelie. "The impact of tree size, sun exposure and geographical position on the species richness of epiphytic lichens associated with coarse oak trees in southern Sweden." Thesis, Linköpings universitet, Biologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-148528.

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Felling of old trees as well as changes in land use and management of wooded pastures has led to the decline of biodiversity associated with old deciduous trees in Europe. This also applies to Sweden’s most species rich tree, the oak tree (Quercus robur), which changes with age and develops, for example, a rougher bark structure, deeper bark fissures and cavities. These give rise to several different microhabitats that favor the presence of lichens, mosses and wood-dependent organisms. To preserve the biodiversity, environmental conditions linked to a high diversity need to be identified and d
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Björkroth, Jennie. "Effekter av naturvårdsgallring på förekomsten av lunglav på ädellövträd." Thesis, Linköpings universitet, Biologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-120089.

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Sun-exposed broad leaved deciduous trees have a great species diversity of epiphytic lichens. In Europe, these trees have decreased dramatically in number as wooded pastures have become overgrown with trees and bushes, and broad leaved deciduous stands have been replaced by planted coniferous trees. These are the main reasons for many lichens depending on deciduous trees being red-listed. Epiphytic lichens in overgrown areas could benefit from conservation thinning, but few studies have been performed on how this type of cutting affects the lichens. In a previous study, the presence of red-lis
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Book chapters on the topic "Tree sun-exposure"

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Holds, John B. "Chemical and Laser Resurfacing of the Eyelids and Face." In Surgery of the Eyelid, Lacrimal System, and Orbit. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780195340211.003.0036.

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Chemical peels, mechanical abrasion, and more recently laser and electrosurgical devices are used to resurface eyelid and facial skin. The common feature in these techniques is the denaturation or removal of the skin surface. These techniques typically help to hide skin changes related to sun exposure and aging by evening the skin tone, decreasing dyschromia, and diminishing wrinkles. These techniques all require careful case selection and patient preparation with appropriate treatment and postoperative care. Recent interest has focused on less invasive therapy with techniques that leave the e
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Conference papers on the topic "Tree sun-exposure"

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Felisberto, Lara Lima, and Almir Francisco Reis. "The Influence of Greenery on the Appropriation Process of Public Spaces: A study at Santos Dumont Square in Florianópolis, Santa Catarina, Brazil." In ENSUS 2024 - XII Encontro de Sustentabilidade em Projeto. Grupo de Pesquisa Virtuhab/UFSC, 2024. http://dx.doi.org/10.29183/2596-237x.ensus2024.v12.n1.p31-39.

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The presence of tree cover in urban spaces is essential for enhancing their environmental and aesthetic qualities and for promoting the attractiveness of streets, squares, and parks. This article analyzes the distribution of trees in Santos Dumont Square, located in Florianópolis (SC), from the perspective of its users, aiming to identify whether this arrangement is satisfactory. The methodology employed includes on-site observation, tree mapping, and the administration of questionnaires to visitors. The results reveal concerns related to the design aspects of the space, particularly the lack
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Vogel, Sebastian, Jörg Müller, and Simon Thorn. "Fostering deadwood enrichment in managed forests – The importance of tree species and sun exposure for saproxylic species." In 5th European Congress of Conservation Biology. Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/107639.

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May, Elizabeth, Peng Du, and Victoria Martine. "Environmental Justice: A Case Study into the Heat Vulnerable Neighborhoods of Philadelphia." In 111th ACSA Annual Meeting Proceedings. ACSA Press, 2023. http://dx.doi.org/10.35483/acsa.am.111.53.

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Studies have shown that low-income communities and communities of color are more likely to live in neighborhoods experiencing multiple environmental burdens and disproportionate vulnerability to the impacts of climate change in American cities. The practice of redlining in Philadelphia, Pennsylvania has caused environmental injustice in ways that might not have been obvious at that time however there are neighborhoods that are still affected by this practice. These areas have the lowest median household incomes, lowest life expectancies, and highest population of African American people compar
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Journal articles
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