Arboriculture & Urban Forestry最新文献_第4页

Towards an Improved Rapid Urban Site Index 改进快速城市用地指数

Arboriculture & Urban Forestry Pub Date : 2023-03-01 DOI: 10.48044/jauf.2023.008

B. Scharenbroch, L. Scheberl, J. C. Gebhard, J. Prater, L. P. Werner

{"title":"Towards an Improved Rapid Urban Site Index","authors":"B. Scharenbroch, L. Scheberl, J. C. Gebhard, J. Prater, L. P. Werner","doi":"10.48044/jauf.2023.008","DOIUrl":"https://doi.org/10.48044/jauf.2023.008","url":null,"abstract":"Background: An urban site index is an approach for identifying site quality for optimal matching of urban tree tolerances to site conditions and for determining the efficacy of soil management actions. The Rapid Urban Site Index (RUSI) was previously developed and found to significantly relate to urban tree performance. However, the RUSI needs further testing to verify its accuracy in other urban tree populations. Furthermore, calibration of the RUSI with parameter weighting and additional parameters might also improve its accuracy. Methods: The objectives of this study are to: (1) evaluate the RUSI in 3 Wisconsin cities; (2) evaluate RUSI parameter weighting models to improve its accuracy; and (3) examine the addition of a labile organic matter indicator to the RUSI for detection of a soil management action. Results: The RUSI was found to significantly correlate to urban tree metrics in 3 Wisconsin cities (r = 0.29 to 0.31; n = 90). Parameter weighting increased significant correlation values between urban tree metrics and the RUSI model (r = 0.24 to 0.37; n = 90). The Solvita® soil respiration test detected differences in soils from a biosolids application (P = 0.0275), and its addition to the RUSI model improved significant correlation values to urban tree metrics (r = 0.27 to 0.38; n = 90). Conclusions: This research demonstrates effective approaches for RUSI refinement. These findings show the RUSI to be a valid approach for urban site assessment and demonstrate how the RUSI can be tailored and refined for use in specific urban tree populations.","PeriodicalId":373407,"journal":{"name":"Arboriculture & Urban Forestry","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132022125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Improved Model Estimates of Tree Debris Following Ice Storms 冰暴后树木碎片的改进模型估计

Arboriculture & Urban Forestry Pub Date : 2023-03-01 DOI: 10.48044/jauf.2023.005

R. Hauer, Brandon Schulz

{"title":"Improved Model Estimates of Tree Debris Following Ice Storms","authors":"R. Hauer, Brandon Schulz","doi":"10.48044/jauf.2023.005","DOIUrl":"https://doi.org/10.48044/jauf.2023.005","url":null,"abstract":"Planning to prepare for storms should involve the estimation of tree debris. This paper tested an improvement of a rapid estimation model of tree debris following ice storms. An initial model found using 30-m resolution National Land Cover Database (NLCD) tree canopy cover (TCC) data did not significantly (P ≈ 0.20) improve estimation of tree debris within a community right-of-way (ROW) following an ice storm. We tested if finer resolution National Agriculture Imagery Program (NAIP) TCC imagery (2-m resolution or better) could more accurately predict tree debris after an ice storm. Tree canopy cover was estimated with NAIP across the entire community (TCCCITY) and also the area that only covered the ROW plus a 15.24-m (50-foot) buffer on each side (TCCROW). The TCCCITY (P = 0.08) estimate marginally improved tree debris prediction in the overall multiple regression model (R2 adj = 0.917; F = 133.8; df = 3,33), but this was not the case with the TCCROW (P = 0.66) estimate. The TCCCITY estimate was 34.7% (SEM = 2.0) and significantly (P < 0.001) 2 times greater than in the 16.2% (SEM = 2.2) TCC estimate from NLCD imagery. We found the TCCROW was 32.6% (SEM = 1.6) and significantly lower (P = 0.003) than in TCCCITY. Results from this study may improve the overall ability to predict tree debris following ice storms from the regional models currently used to a more local estimate for a city. Future investigations are needed to determine if this is the case.","PeriodicalId":373407,"journal":{"name":"Arboriculture & Urban Forestry","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131128625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Miniature UAVs and Photogrammetry—A Novel Approach to Collecting Aerial Inspection Data from Mature Broadleaf Trees 微型无人机与摄影测量——成熟阔叶树航测数据采集新方法

Arboriculture & Urban Forestry Pub Date : 2023-03-01 DOI: 10.48044/jauf.2023.007

James Roberts, D. Slater

{"title":"Miniature UAVs and Photogrammetry—A Novel Approach to Collecting Aerial Inspection Data from Mature Broadleaf Trees","authors":"James Roberts, D. Slater","doi":"10.48044/jauf.2023.007","DOIUrl":"https://doi.org/10.48044/jauf.2023.007","url":null,"abstract":"Background: Production of high-quality 3D models of trees has a practical application in arboriculture, allowing the assessment, measurement, and recording of aboveground structural features of individual trees. Commercially available hobby UAVs (uncrewed aerial vehicles) with integrated cameras in combination with a low-cost photogrammetry software package can produce high-definition 3D models of tree structures with low financial investment. Methods: Our study compared an established orbital flight strategy and 2 novel close-range flight strategies for collecting digital imagery to produce 3D models of features of interest (FOIs) in trees. We used 3 separate tests to establish if these different flight strategies resulted in reliable, measurable, and complete models for FOIs in mature broadleaf trees. Results: Our study substantiated the findings of previous studies, in that a well-planned, automated orbital strategy of flight can render full models of trees from which accurate measurement of dimensions can be obtained. A flight strategy involving collecting clusters of images from different angles whilst the UAV stayed in one location was trialled, and the resulting models were typically incomplete and of low quality. However, the second close-range strategy of hand-flown missions running parallel with the FOI yielded highly detailed, complete models from which observations of the FOI’s surface and accurate measurements of its dimensions could be obtained. Conclusions: We conclude that there are substantial opportunities for the use of low-cost UAVs to undertake visual tree assessments of the aerial parts of trees, subject to ease of access to the feature and the right choice of flight strategy.","PeriodicalId":373407,"journal":{"name":"Arboriculture & Urban Forestry","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121871311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Influence of Chitin- and Chitosan-Based Soil Amendments on Pathogen Severity of Apple and Pear Scab 几丁质和壳聚糖基土壤改良剂对苹果和梨赤霉病病原菌严重程度的影响

Arboriculture & Urban Forestry Pub Date : 2023-03-01 DOI: 10.48044/jauf.2023.006

G. Percival, S. Graham, Christopher Percival, Jonathan M. Banks

{"title":"The Influence of Chitin- and Chitosan-Based Soil Amendments on Pathogen Severity of Apple and Pear Scab","authors":"G. Percival, S. Graham, Christopher Percival, Jonathan M. Banks","doi":"10.48044/jauf.2023.006","DOIUrl":"https://doi.org/10.48044/jauf.2023.006","url":null,"abstract":"Apple and pear scab are foliar pathogens of apple and pear trees. Unmanaged, yield and aesthetic losses can be severe. The risk of resistance associated with over-reliance on fungicides means novel pathogen management methods and products are increasingly required. Chitin and chitosan are widely recognised as induced resistance (IR) agents that trigger plant defence responses that in turn enhance plant resilience to pathogen ingress. A container and field trial was conducted using apple (Malus sylvestris) and pear (Pyrus communis ‘Conference’) respectively to assess the efficacy of a range of liquid and granular chitin/chitosan-based IR agents and fertilisers against apple and pear scab. A synthetic fungicide (penconazole) spray program used within the UK for apple and pear scab control was included for comparison. Application of chitin/chitosan IR agents at concentrations above 1% caused phytotoxicity. Limited efficacy as scab protectants was also demonstrated when chitin/chitosan IR agents were applied at concentrations of 0.25%. However, chitin IR agents when applied at 0.5% and 1% and chitosan IR agents at 1% demonstrated efficacy as scab protectants and resulted in an increased leaf chlorophyll content, increased fruit yield, and reduced leaf scab severity when compared against the watered control. Only one of three chitin/chitosan fertilisers evaluated demonstrated efficacy as scab protectants (liquid chitosan). A synthetic fungicide penconazole spray program provided the greatest protection against apple and pear scab in the container trials. However, under field conditions the degree of scab control following application of chitin and chitosan at 1% and the chitosan containing fertiliser liquid chitosan was statistically comparable to fungicide treated trees. Results suggest application of an appropriate chitin/chitosan IR agent(s) and fertiliser offers a useful addition to existing methods of apple and pear scab management under field and container conditions.","PeriodicalId":373407,"journal":{"name":"Arboriculture & Urban Forestry","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125229474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Potential of Yellow Gum (Eucalyptus leucoxylon F. Muell.) as an Urban Street Tree: An Assessment of Species Performance in the City of Greater Melbourne, Australia 黄桉树(Eucalyptus leucoxylon F. Muell.)作为城市行道树的潜力:澳大利亚大墨尔本城市树种性能评估

Arboriculture & Urban Forestry Pub Date : 2023-01-01 DOI: 10.48044/jauf.2023.003

G. Moore, A. Chandler

{"title":"The Potential of Yellow Gum (Eucalyptus leucoxylon F. Muell.) as an Urban Street Tree: An Assessment of Species Performance in the City of Greater Melbourne, Australia","authors":"G. Moore, A. Chandler","doi":"10.48044/jauf.2023.003","DOIUrl":"https://doi.org/10.48044/jauf.2023.003","url":null,"abstract":"\"Background: In contrast to trees from northern hemisphere genera, there has been little research into the selection and vegetative propagation of Australian native tree species for use as street trees. Eucalyptus leucoxylon F. Muell. is one of a few eucalypts occurring in south-eastern Australia with bright coloured fl owers and is highly regarded as an ornamental tree that fl owers readily. It is propagated from seed, but progeny typically show seedling variability and diversity. Eucalyptus leucoxylon was identifi ed as the most widely planted eucalypt in the streets of the city of greater Melbourne, Australia. Methods: This research assessed 300 E. leucoxylon street trees growing across the city of greater Melbourne for their performance against arboricultural criteria relating to canopy structure and density, straightness of the trunk, health (assessed on canopy, trunk, and branch condition, production of exudates, and presence of fungal fruiting bodies), fl ower colour, and root systems. Results: The results showed that E. leucoxylon was a suitable street tree species with most specimens showing good habit, vigour, and health. Discussion: The trees had traits such as live crown ratio, height, fl ower colour, and capacity to cope with pruning that are considered appropriate for a street tree. Their dense canopies and high live crown ratios provide shade that can reduce the urban heat island (UHI) effect. Conclusion: This suggests the species has the potential to be a successful street tree not only in Australia, but in other parts of the world where it has been grown successfully in forestry plantations.","PeriodicalId":373407,"journal":{"name":"Arboriculture & Urban Forestry","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129171401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Integrated Visual Assessment Method for Infestation by Lebbek Borer (Xystrocera globosa) in Rain Trees of Singapore 新加坡雨林木中Lebbek Borer (Xystrocera globosa)侵害的综合目视评价方法

Arboriculture & Urban Forestry Pub Date : 2023-01-01 DOI: 10.48044/jauf.2023.004

Derrick Nguyen Hoang Danh, Muhammad Izaan bin Istijab, Muhammad Azhari bin Mohammad Zain, Xue Huiyu, Diana Chiu, Varughese Philip, Mei Lai Yap, Abdul Hamid bin Mohammad

{"title":"Integrated Visual Assessment Method for Infestation by Lebbek Borer (Xystrocera globosa) in Rain Trees of Singapore","authors":"Derrick Nguyen Hoang Danh, Muhammad Izaan bin Istijab, Muhammad Azhari bin Mohammad Zain, Xue Huiyu, Diana Chiu, Varughese Philip, Mei Lai Yap, Abdul Hamid bin Mohammad","doi":"10.48044/jauf.2023.004","DOIUrl":"https://doi.org/10.48044/jauf.2023.004","url":null,"abstract":"\"Background: In Singapore, determining the level of infestation by lebbek borer (Xystrocera globosa)(Olivier, 1795)[Coleoptera: Cerambycidae] is the crucial first step in control of this pestra in rain tree (Albizia saman [Jacq.] Merr.)[Fabales: Fabaceae]. Current assessment methods rely on symptoms such as canopy colour, defoliation, dieback, and actual estimation of borer population via counting of larvae or exit holes created by adults. Currently, there is a lack of systematic approach to integrate different tree health indicators and symptoms to quantify infestation level. This gap poses challenges in assessment of treatment efficacy as managers could not quantitatively determine whether infestation level has changed following treatment. Thus, this study aimed to develop a visual assessment method that can integrate all mentioned symptoms to quantify infestation level. Methods: We surveyed a total of 388 rain trees and used principal component analysis (PCA) to investigate the correlation between X. globosa infestation and different borer infestation symptoms. Borer Infestation Score (BIS) formula was developed based on the linear combinations of the statistically significant principal component. Results: Infestation level was strongly associated with bark peeling, exit holes, and proximity of bark peeling and/or exit holes to trunk base and weakly associated with defoliation, dieback, and canopy colour. Developed BIS formula generated numerical values that distinguished between noninfested and infested trees, reflected infestation level in surveyed areas and temporal progression of infestation. Conclusions: Described integrated visual assessment method can be executed quickly on field. BIS formula generates quantitative scores easy to be interpreted, tracked, and compared.","PeriodicalId":373407,"journal":{"name":"Arboriculture & Urban Forestry","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131538378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Efficacy of Propiconazole for Prevention of Sassafras Mortality from Laurel Wilt Disease Using a Tree Micro-Injection and Micro-Infusion Delivery System 丙环康唑对月桂枯萎病林木微注射微输注系统预防黄樟死亡的效果研究

Arboriculture & Urban Forestry Pub Date : 2023-01-01 DOI: 10.48044/jauf.2023.002

C. W. Johnson, R. Olatinwo, J. Hwang, C. Brownie

{"title":"Efficacy of Propiconazole for Prevention of Sassafras Mortality from Laurel Wilt Disease Using a Tree Micro-Injection and Micro-Infusion Delivery System","authors":"C. W. Johnson, R. Olatinwo, J. Hwang, C. Brownie","doi":"10.48044/jauf.2023.002","DOIUrl":"https://doi.org/10.48044/jauf.2023.002","url":null,"abstract":"Laurel wilt is a lethal disease of American Lauraceae caused by Harringtonia lauricola. Propiconazole is a systemic fungicide which arrests fungal growth among a variety of plant hosts. Propiconazole as a preventive treatment against laurel wilt in sassafras (Sassafras albidum) has not been evaluated. We treated sassafras trees with propiconazole using the Arborjet QUIK-jet® Micro-InjectionTM and TREE I.V. Micro-InfusionTM systems (Arborjet,Inc., Woburn, MA, USA) and challenged trees by inoculating them with H. lauricola. Out of 7 trees treated using the QUIK-jet Micro-Injection system, 6 (86%) survived 52 or more weeks following inoculation with H. lauricola, while only 11% of inoculated control trees (1 of 9) survived over this period. All trees not damaged by hurricanes (n = 13) treated with propiconazole using the TREE I.V. Micro-Infusion system survived signifi cantly longer than untreated control trees after inoculation with H. lauricola; 10 of 13 trees (77%) survived with < 50% crown loss, and 8 of 13 trees (62%) appeared entirely healthy 54 weeks post-inoculation. In the TREE I.V. Micro-Infusion system trial, 15 of 19 control trees (79%) had either died or lost ≥ 50% of living crown 54 weeks post-inoculation with H. lauricola. Results indicate sassafras trees treated with propiconazole using the Arborjet QUIK-jet Micro-Injection and TREE I.V. Micro-Infusion systems are significantly less likely to die within one year of infection with H. lauricola; however some trees may exhibit signifi cant crown decline (≥ 50%) over this period.","PeriodicalId":373407,"journal":{"name":"Arboriculture & Urban Forestry","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129095797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Accuracy and Precision in Urban Forestry Tools for Estimating Total Tree Height 城市林业总树高估算工具的准确度和精密度

Arboriculture & Urban Forestry Pub Date : 2022-11-01 DOI: 10.48044/jauf.2022.024

A. Martin

{"title":"Accuracy and Precision in Urban Forestry Tools for Estimating Total Tree Height","authors":"A. Martin","doi":"10.48044/jauf.2022.024","DOIUrl":"https://doi.org/10.48044/jauf.2022.024","url":null,"abstract":"Background: Urban tree inventories are fundamental to the monitoring and management of urban forests. Various handheld tools and methods exist to conduct tree mensuration, ranging from the simple stick method to laser rangefinders. This study examines the accuracy and precision of the stick method, clinometer, and laser rangefinder, and introduces tree type (i.e., conifer versus broadleaf) comparisons of accuracy and precision. Methods: Measurements were taken from 127 trees comprised of 85 (66.9%) broadleaf and 42 (33.1%) coniferous trees. Trees were distributed across 4 urban land use types: park, golf course, street, and trail system. A drone-mounted measurement tape was used to determine true height. Results: Measured heights ranged from 4.67 m to 25.71 m (x̄ = 13.19 m). Measurements from the stick method yielded statistically similar results to both the rangefinder and clinometer methods. The methods had a Cronbach’s Alpha of 0.991 (N = 3). Accuracy was highest for the rangefinder and lowest for the stick method. Precision was greatest between the rangefinder and the clinometer. Root-meansquare error (RMSE) and percent error were highest for the stick method and broadleaf trees for all 3 measurement methods. Conclusions: The findings indicate greater accuracy and precision across all tools when measuring conifers. The rangefinder was similar in accuracy to the clinometer, with notable changes in accuracy when using the stick method.","PeriodicalId":373407,"journal":{"name":"Arboriculture & Urban Forestry","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132211605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Effect of Climbing Line and Ascent Technique on the Magnitude and Frequency of Arboricultural Climbing Loads 攀爬路线和攀爬技术对树木攀爬载荷大小和频率的影响

Arboriculture & Urban Forestry Pub Date : 2022-11-01 DOI: 10.48044/jauf.2022.023

B. Kane, S. Arwade

{"title":"The Effect of Climbing Line and Ascent Technique on the Magnitude and Frequency of Arboricultural Climbing Loads","authors":"B. Kane, S. Arwade","doi":"10.48044/jauf.2022.023","DOIUrl":"https://doi.org/10.48044/jauf.2022.023","url":null,"abstract":"Background: Arboricultural tree climbing is inherently dangerous, in part because of the possibility of failure of the tie-in point (TIP). To help climbing arborists choose TIPs wisely, we have conducted several studies to quantify the magnitude and frequency of loading associated with arboricultural tree climbing. One parameter that has not been previously studied is whether the choice of climbing line influences loads experienced by a TIP as a climbing arborist ascends. Methods: The lead author conducted trials in which he ascended to 3 TIPs (in different trees) using 2 ascent techniques and 3 different climbing lines. During each trial, we measured loads at the TIP, and from the resulting time histories analyzed the magnitude and frequency of loading. We compared the effect of ascent technique, climbing line, and their interaction on the magnitude and frequency of loading. Results: During trials, the magnitude of loading varied between 1.1 and 1.5 times the lead author’s weight and did not differ between ascent techniques, climbing lines, or their interaction. Loading frequency varied among ascent techniques, but not climbing lines. Footlocking induced loads at a wide range of frequencies, but 2 distinct frequencies were associated with ropewalking. Conclusion: Climbing arborists can use the results of this and our previous studies to help select a suitable TIP. It is important for climbing arborists to understand the magnitude of forces associated with ascending into and working in a tree. Future studies should investigate the load-bearing capacity of a TIP from the ground.","PeriodicalId":373407,"journal":{"name":"Arboriculture & Urban Forestry","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129040654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Forgotten Contributions: The Overlooked Impact of Ellen Harrison and Early 20th Century Women in Urban Greening 被遗忘的贡献:艾伦·哈里森和20世纪早期女性在城市绿化中被忽视的影响

Arboriculture & Urban Forestry Pub Date : 2022-11-01 DOI: 10.48044/jauf.2022.025

Maggie McNulty, Lara A. Roman

{"title":"Forgotten Contributions: The Overlooked Impact of Ellen Harrison and Early 20th Century Women in Urban Greening","authors":"Maggie McNulty, Lara A. Roman","doi":"10.48044/jauf.2022.025","DOIUrl":"https://doi.org/10.48044/jauf.2022.025","url":null,"abstract":"Many women and women-run associations were involved in historical urban beautification in the United States, especially tree planting, in the late 19th and early 20th centuries. While men had formal roles as city foresters, arborists, horticulturalists, and landscape architects, women from elite families sometimes labored for free to organize and advocate for urban tree planting. Tightly knit social circles of high-society women in Philadelphia, Pennsylvania, yielded much greater influence in nascent tree planting and park creation movements than has generally been recognized. They often contributed their time, finances, input, and skill to landscape planting projects; however, they were not considered equal to the men who were compensated employees. These women planted, plotted, studied, and persevered, overcoming preconceived notions of womanhood, although their meaningful efforts were often viewed as merely an offshoot of their feminine domestic role. For women, limited by opportunities in male-dominated arenas, shaping their cities was a socially accepted means for empowerment. Ellen Waln Harrison (1846 to 1922) was a key figure in civic beautification in her hometown of Philadelphia and beyond. Ellen Harrison was married to Charles Custis Harrison, Provost of the University of Pennsylvania, and she personally oversaw campus landscaping efforts, and was referred to as his “right hand.” Her story is emblematic of a larger trend regarding women in botany, horticulture, and urban forestry around the turn of the 20th century.","PeriodicalId":373407,"journal":{"name":"Arboriculture & Urban Forestry","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127014813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Arboriculture &amp; Urban Forestry最新文献

Arboriculture & Urban Forestry最新文献