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In the presentation accompanying this quiz, Dan Staley details processes, methods, and tips available today to improve efficiencies and outcomes for practitioners using technology across the arboriculture professions, as well as outlines future developments. Technologies and tools available today for arborists can be operated on smartphones, on laptops, and in the cloud, and key emerging technologies to monitor plant health are ready for market. Staley discusses these new technologies and their applications for arborists.
Watch the presentation here before taking this CEU quiz.
This quiz is worth 0.5 CEU credits. (A, U, M, T, L, Bp)
CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
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ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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Pulling tests are used to assess the strength of the anchorage as well as the load-bearing capacity of the trunk. Combined with a systematic analysis of wind forces acting on the crown, the pulling test method allows an assessment of the stability and fracture safety of the trees in storm events. The procedure has already been applied to thousands of trees worldwide. The results of numerous pulling tests may be used to improve the quality of visual inspection through a better understanding of the biomechanical background and the actual performance and strength of trees. The presentation accompanying this quiz will illustrate what arborists who do not apply the pulling tests method themselves may learn for their own practice from the large number of tests carried out by consultants and researchers in the past decades.
This quiz is worth 0.5 CEU credits. (A, U, M, T, L, Bm). CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
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ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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Most roadside and utility vegetation managers are aware of the importance of managing plants for threatened and endangered species, but any individual species (no matter how charismatic) is only a very small piece of the puzzle in a healthy ecosystem. More importantly, healthy and functional ecosystems are resilient, diverse, and more likely to support and benefit local flora and fauna. Integrated vegetation management (IVM) is the best tool for establishing and supporting communities of native vegetation that are compatible with land use. In the presentation accompanying this CEU quiz, Kieran Hunt will discuss managing land through IVM for healthy, productive ecosystems, with a focus on internal and external hurdles during conversion to IVM as well as program maturity, how it relates to project- versus program-based management, and what adaptive management looks like on the right-of-way.
This quiz is worth 0.5 CEU credits. (A, U, M, T, L, Bp)
CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
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ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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Trees in coastal and island ecosystems in many parts of the world face risk from tropical cyclones, also known as typhoons or hurricanes. Allyson Salisbury and her team conducted a systematic multi-language literature review of research on factors that influence tree damage by tropical cyclones in urban environments and compared our findings to research conducted in nonurban settings. During screening, they kept papers that collected ground-based observations of tree damage within one year of a tropical cyclone and analyzed at least one factor that could affect the susceptibility of trees to tropical cyclone wind damage (e.g., height). In the associated presentation, the team shares their observations of the most commonly studied types of damage and predictors of damage as well as factors in need of additional research. They also highlight common patterns observed among the studies, topics where there is disagreement in the literature, and ways our results can inform urban forest management plans for hurricane-prone communities.
This quiz is worth 0.5 CEU credits. (A, U, T, M, L, Bs)
CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
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ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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In the presentation accompanying this CEU Quiz, Dennis Swartzell brings to light the extreme drought of the southwest USA and recent mandates to remove turf grass in nonresidential spaces. Unfortunately, trees located in these turf areas are subject to severe stress when the landscape conversion is conducted inappropriately. The presenter will highlight the best management practices for selection, retention, protection, and preservation of existing trees within an arid environment.
This quiz is worth 0.5 CEU credits. (A, U, T, M, L, Bs)
CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
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ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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Veteran trees have great ecological value but above all are a cultural phenomenon. Veteran trees’ management cannot be limited to the arboricultural aspects; it must extend to the anthropological and social reasons that justify their existence. The Emilia-Romagna region has defined laws for veteran trees’ protection, management, and enhancement. The Great Mulberry (Morus alba L.) of Cervia is an emblematic case of management of a veteran tree in full compliance with the law’s principles, and it is discussed in the presentation accompanying this CEU. More than ten years ago, after the tree experienced severe structural failures, the Municipality of Cervia decided to implement a program for the tree’s recovery, including rooting site protection, root activity promotion, implementation of a support and cabling system, and a long-term pruning plan. The mulberry tree, which can now be said to have been brought back to a condition of ordinary management, has become an emblematic case study, so much so that it has been included in training programs.
This quiz is worth 0.5 CEU credits. (A, U, T, M, L, Bm)
CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
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ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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The terms girdling and ring-barking tend to be used synonymously in arboriculture, but in the presentation accompanying this CEU quiz, Dr. Greg Moore argues that these are two distinctly different processes, both in the actions taken by arborists and in the effects these processes have on trees. This presentation discusses research surrounding girdling and ring-barking, including tree responses, consequences of damage, and restorative measures. In discussing the two types of cuts, Dr. Moore shares how trees can often survive various levels of damage from either type of cut.
This quiz is worth 0.5 CEU credits. (A, U, T, M, L, Bs)
CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
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ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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In the related presentation, Riley Rouse discusses modification methods for addressing root defects of container-grown trees. Growing trees in standard smooth-sided containers can lead to malformed root systems, especially circling roots. A great number of techniques are often suggested by industry professionals to remediate root defects prior to planting. In the discussed trial, three shade tree species commonly listed as “difficult to transplant” when lifted as bare-root stock ( Carpinus caroliniana, Ostrya virginiana, and Liriodendron tulipifera) and one species that is “easy to transplant” bareroot ( Platanus × acerifolia) were subjected to four root modification treatments: deep slicing, shaving, bare-rooting, and control. A subset of bare-root and control trees were subjected to compensatory pruning to investigate the potential to mitigate negative crown impacts following root treatments at planting. Bare-rooting reduced survival of the species that are commonly regarded as difficult to transplant as bareroot stock. Measurements of plant water relations suggest that mortality was related to increased moisture stress associated with root and substrate removal. Watch the presentation here before taking the CEU Quiz. 0.5 CEU. (A, U, T, M, L, Bp)
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0.5 CEU
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ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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This presentation discusses the numerous benefits of setting tree cover canopy goals. Ground-level tree planting is relatively straightforward, but more tree planting opportunities exist on rooftops and other elevated structures, which comprise a significant percentage of urban impervious surface. The functionality of these rooftop oases can be dramatically increased when complimented with large maturing trees. However, growing and anchoring trees on elevated structures present many challenges, such as ensuring wind stability, managing weight and minimizing risk from multi-story branch drop. This presentation defines, explores, discusses, and addresses these challenges and increases your knowledge of horticultural systems specialized for high-elevation urban trees.
CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
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ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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This presentation discusses the numerous benefits professional contract climbers bring to companies of all size. The profession of arboriculture continues to struggle with a lack of training resulting in injuries, fatalities, and property damage. This is particularly true for small companies that are not ready to hire a qualified crew supervisor. Professional contract climbers offer a unique solution to improve crew safety and productivity. Learn how a professional contract climber can help improve knowledge, skills and safety culture and your company.
This quiz is worth 0.5 CEU credits. (A, T, M, L, Bm). Watch the presentation here before taking this quiz.
CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
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ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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This presentation discusses specifics of soil testing, including proper management practices and components to be aware of when testing. Increasingly, the importance of soil testing before prescribing use of fertilizers is recognized, but all soil tests are not created equally; agricultural soil metrics are not appropriate for use in landscapes. Moreover, relevant soil test data can be correlated with careful site observations to learn more about what constitutes sustainable levels of organic matter and nutrient levels. Learning how to interpret soil tests by ground-truthing with site conditions allows arborists and landscape managers to understand how rhizospheres are currently functioning and what, if anything, should be added.
This quiz is worth 0.5 CEU credits. (A, U, T, M, L, Bp)
CEUs for this quiz may be earned only once during the life of your certification.
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0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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While aging urban trees provide a wealth of benefits to the residents who live amongst them, they may also begin to pose more risk, and as urban centres become increasingly dense, trees, people and infrastructure often come into conflict. Balancing these competing interests while looking out for the trees can be a real challenge. Today’s arborists can choose from a wealth of methods to better manage and assess the risk of trees. The recently introduced ANSI A300 Part nine describes three levels of risk assessment. By presenting a series of case studies, this talk will focus on how advanced risk assessment methods (Level 3) are being used to better understand the likelihood of failure and to contribute useful information used in the development of conservation management strategies for aging and significant urban trees.
This quiz is worth 0.5 CEU credits. (A, U, T, M, L, Bm)
CEUs for this quiz may be earned only once during the life of your certification.
|
0.5 CEU
|
ISA Members: $9.95
Retail Price: $11.95
All prices in US Dollars
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