ArborViews

Urban Forestry Research in Europe

Mon, 22 Dec 2014 18:00:00 -0600

Dr. Cecil Konijnendijk discusses the impact of research on urban forestry policies at a national and European level.

Evaluation of Different Shrub Species for Carbon Uptake and Pollution Removal

Tue, 25 Nov 2014 18:00:00 -0600

Shrubs are more than landscaping decorations in today’s urban environment. Dr. Alessio Fini discusses his study of different species of shrubs that not only help in the uptake of carbon dioxide, but can also remove pollutants from the atmosphere.

Why Tree Diseases are so Difficult to Manage

Thu, 30 Oct 2014 19:00:00 -0500

Dr. Jim Chatfield discusses the problems and inherent differences of treating infectious tree diseases in comparison to insect infestation or non-infectious pathogens.

Tree Inventories in Mexico City

Thu, 25 Sep 2014 19:00:00 -0500

Alicia Chicalo and Jamie Grabinsky discuss the process of conducting a massive inventory of trees in Mexico city and how the information will be used to help that city’s urban forest to thrive.

Does Taper Affect Bending Stress at the Base of Branches?

Thu, 28 Aug 2014 19:00:00 -0500

Dr. Gregg Dahl discusses his research into tree risk assessment and the factors that can lead to branch failure.

Are native-species planting mandates good for biodiversity?

Thu, 24 Jul 2014 19:00:00 -0500

Are well intentioned mandates to plant only native species really a good idea? Dr. Linda Walker Scott discusses finding the right balance in plant selection to strengthen a local eco-system.

Emergency Tree Risk Management in NYC

Thu, 26 Jun 2014 19:00:00 -0500

Matt Wells Director of Tree Preservation for the New York City Department of Parks and Recreation discusses the challenges of managing thousands of trees across a large metropolitan area that has recently faced devastating storms.

Hunting Asian Long-horned Beetle (ALB) from a Climber’s Perspective

Thu, 29 May 2014 19:00:00 -0500

Arborist Melissa LeVangie discusses signs and symptoms of Asian Long-horned beetle infestation, what a climber should look out for in identifying an infestation, and how the beetle’s damage to a tree impacts the climber.

Conifers for Urban and Community Forests

Thu, 24 Apr 2014 19:00:00 -0500

Bert Cregg works on expanding the diversity of the urban forestry through increased use of conifers. Learn about the coniferous species that do particularly well in urban environments on this episode of ArborViews.

Trees in Challenge Courses and Adventure Parks

Thu, 27 Mar 2014 19:00:00 -0500

Andreas Detter discusses how ropes courses and ziplines create new forces on trees, loading them in directions they were not naturally accustomed. Learn about species selection and tree-friendly systems for setting up ropes courses on this episode of ArborViews.

Why Trees Fall Down

Thu, 27 Feb 2014 18:00:00 -0600

Karl Niklas discusses the biomechanics behind tree failures and how different factors affect tree or branch structural stability. Learn about the relationship between above and below ground biomass, the consequences of pruning, and how these can serve as contributes to tree failure on this episode of ArborViews.

The nature and health connection

Thu, 30 Jan 2014 18:00:00 -0600

Kathleen Wolf discusses the human response to urban greening, citing the existing data on the benefits of trees and community green spaces. Learn about some of the research currently being conducted on urban greening and its social benefits on this episode of ArborViews.

A Brief overview of Urban Tree Biomechanics

Thu, 26 Dec 2013 18:00:00 -0600

Ken James talks about the biomechanics of trees and his study on how trees are affected by wind. Learn about how static and dynamic pull tests on trees can help researchers learn about how trees respond to external forces.

A Sustainable Tree Production Method

Tue, 26 Nov 2013 18:00:00 -0600

Dan Struve discusses his new sustainable tree production method for balled and burlapped trees. Learn about trees that invest more energy in roots than shoots and how this affects establishment.

Practicing Sustainable Urban and Community Forestry

Thu, 24 Oct 2013 19:00:00 -0500

How can communities benefit the most from trees at a low cost? Gordon Mann discusses the six components to practicing sustainable urban and community forestry on this episode of ArborViews.

Managing more Storm water with Green Infrastructure

Thu, 26 Sep 2013 19:00:00 -0500

Jennifer Karps explains the key components that helped get the grey to green initiative off the ground in Portland, Oregon. Learn how partnerships, education, and customer service can help contribute to gray to green initiatives in your area on this episode of ArborViews.

Advanced Plant Health Care Tools and Techniques

Tue, 27 Aug 2013 19:00:00 -0500

Grant Jones, woody plant physiologist at Davey Tree Expert Company, explains a few management techniques for biotic and abiotic tree disorders. Learn about some tools that arborists can use in the field to improve soil conditions and help with field diagnosis, on this episode of ArborViews.

Effects of Root Cutting on Growth and Physiology

Thu, 25 Jul 2013 19:00:00 -0500

On this episode of ArborViews, Alessio Fini discusses the physiologic effects of root severance on trees with host Robert Polomski. Learn how to identify some of the signs and symptoms of root severance, and what arborists can do to help prevent root severance in the urban environment.

Traversing Methods

Thu, 27 Jun 2013 19:00:00 -0500

Will Koomijian and Brian French charted new territory by traveling over one kilometer through the canopy of 100 foot (30 m) Oak trees (Quercus) for five days near Portland, Oregon. Listen as they talk about their experience, traversing techniques, and the uses of traversing in arboriculture, on this episode of ArborViews.

Predicting Urban Tree Success

Thu, 30 May 2013 19:00:00 -0500

Doctoral student, Jessica Vogt, talks with host Robert Polomski about the challenges and importance of tree inventories for increasing tree longevity. Learn about some of the research that is occurring to help newly planted trees get established and stay healthy.

Tree Growth Regulators

Thu, 25 Apr 2013 19:00:00 -0500

Mark Mann, CEO and founder of Plant Growth Management Systems, has worked with tree growth regulators for over 20 years. Today, he talks with our host Robert Polomski about how arborists can use tree growth regulators as one of their tools in the field.

Urban Forestry for Promoting Sustainable Human Health and Wellbeing

Wed, 27 Mar 2013 19:00:00 -0500

Cecil Konijnendijk discusses the benefits of urban forests to human health with our host Robert Polomski. Learn how the fields of medicine and urban forestry can work together to improve the mental and physical health of people in a community, on this episode of ArborViews.

Soil Response to Land Development

Thu, 21 Feb 2013 18:00:00 -0600

Richard Pouyat talks with host Robert Polomski about how land development impacts urban soils. On this episode of ArborViews, learn how arborists can work with developers to manage soil disturbance.

Risking Life and Limb

Thu, 24 Jan 2013 18:00:00 -0600

Robert Polomski interviews Alex Julius about occupational hazards in the arboriculture industry. Alex observed the number of arborists in the field that comply with safe work practices and she calculated the differences in compliance between accredited companies and non-accredited companies. Learn how important it is to create a safety culture in your workplace on this episode of ArborViews.

Safe Pruning Techniques for Large and Healthy Evergreen Trees

Thu, 27 Dec 2012 18:00:00 -0600

Welcome our new host, Robert Polomski! Polomski interviews Nicholas Dankers about his experience managing large and healthy conifers in the American Pacific Northwest. In this edition of ArborViews, learn about some research-based risk mitigation techniques and the Double-System Technique (DST) used to increase safety while climbing mature trees.

Urban Soil Properties and Street Tree Performance

Thu, 29 Nov 2012 18:00:00 -0600

On this episode of ArborViews, Mark Hartley and Daniel Burcham talk about how soil characteristics impact the development of trees. Daniel evaluates the relationship between urban soil properties and street tree performance in Singapore. He also highlights a few easy techniques for measuring soil characteristics that arborists can apply in the field.

Technology at the Service of Urban Tree Management

Thu, 25 Oct 2012 19:00:00 -0500

On this episode of ArborViews, Mark Hartley and Laura Mendiburu discuss management strategies for working with street trees, and highlight some of the potential failures that can occur. Find out what makes a street tree different from other trees, what planting techniques need to be considered while working with street trees, and how to identify a quality tree for planting.

Utility Vegetation in Forest Management Practices

Thu, 27 Sep 2012 19:00:00 -0500

Nelson Money discusses with our host Mark Hartley about how utility lines are posing greater fire risks because of increasing populations and urban development. Listen to this episode to learn how to incorporate some of the discussed management methods and safety practices to help minimize these dangers.

Impacts of Porous Pavements on Soil Environment and Street Tree Growth

Thu, 30 Aug 2012 19:00:00 -0500

Join Justin Morgenroth and our host Mark Hartley to learn how porous pavements can improve tree growth and overall soil environment in urban soils. Find out some of the key differences between impervious and porous pavements and how it can affect trees that grow adjacent to these structures.

The Urban Forest Map

Fri, 27 Jul 2012 19:00:00 -0500

Learn about the Urban Forest Map at urbanforestmap.org while listening to Kelaine Vargas’ interview with our host Mark Hartley. In this episode, they discuss the mission of the program improving the ability to inventory trees in the city of San Francisco, California and how the system provides a one-stop repository of tree data for agencies and entities involved in tree management.

Electrical Hazard Awareness and Avoidance for Tree Workers

Thu, 28 Jun 2012 19:00:00 -0500

Do you or somebody you know, work in trees that are in close proximity to utility lines? In this episode of ArborViews, our host Mark Hartley has a candid interview with Kevin Eckert, who works as a vegetation management consultant for electric companies, government agencies in the U.S. and throughout the Pacific Rim and Asia. In this interview, Kevin discusses how to prevent harm associated with accidental contact with energized electrical equipment.

Modifying Street Tree Plantings to Maximize Canopy

Thu, 24 May 2012 19:00:00 -0500

The appropriate spacing of trees may increase tree longevity and the growth of healthier and more luscious canopies. Listen to this interview with our guest, Mark Duntemann, to find out how the spacing of street trees can impact the size and health for some species.

Tree Physiology: from Green Stuff to Food Stuff

Thu, 26 Apr 2012 19:00:00 -0500

Dr. Kim Coder and host Mark Hartley talk about tree physiology and how a more holistic manipulation of the trees’ soil environment and canopy can improve tree growth. Tune-in to this episode and learn how up to 80% of the variation in tree growth can be water-related and how to know if your actions are helping or harming a tree.

Using the Key-notch Technique for Tree Removal

Thu, 29 Mar 2012 19:00:00 -0500

How can arborists reduce risk during removal operations? Find out as Dwayne Neustaeter talks with host, Mark Hartley about the key-notch technique for tree removal. Learn how applying this technique can make your work safer and more efficient.

The Value of Urban Trees During Climate Change

Thu, 23 Feb 2012 18:00:00 -0600

Can trees affect our health? Find out about the benefits and services trees provide as Dr. Gregory Moore talks with host, Mark Hartley. Dr. Moore investigates the quantitative benefit of trees in order to present a stronger case to others on how ‘trees are good’. Don’t miss hearing these powerful and refreshing observations and data.

The History of Invasive Insect Pests

Thu, 26 Jan 2012 18:00:00 -0600

To celebrate ArborViews’ two-year anniversary we invited one of our favorite guests, Dr. Michael Raupp, who was the very first guest in the debut of our series in 2010! In this episode, Dr. Raupp talks, to our host Mark Hartley, about the invasion history of non-native insect pests and the impact on urban forests. Dr. Raupp (yes, ‘www.bugoftheweek’ guy!) talks about what we can do as arborists to prevent the possible catastrophic consequences of invasive pests.

Visual Tree Assessment for Electricity Reliability

Thu, 22 Dec 2011 18:00:00 -0600

In this episode of ArborViews Mark Hartley interviews Matthew Palmer, a Vegetation Policy Manager for Energex. Energex is an electricity supply authority for South East Queensland. Listen to this interview and learn how trees affect safety and reliability of distribution of electrical power.

Overseas with i-Tree

Tue, 22 Nov 2011 18:00:00 -0600

Join our new host, Mark Hartley, as he interviews David Nowak, a project leader with the Northern Research Station-USDA Forest Service, in Syracuse, NY. In this episode, they talk about the software i-Tree that helps quantify the benefits, roles, and services trees provide in several locations of the U.S. Listen to learn how this software works and how you can use this software for free!

A New Tool for Measuring Water Stress on Trees

Thu, 27 Oct 2011 19:00:00 -0500

Ken James interviews Scott Shultz, an urban forester at Walt Disney World, about the troubles of over-watering and under-watering trees. Listen, as they talk about a new tool, the pump-up pressure chamber, and how its precise measurements can improve water management.

Environmental Impacts of Nonchemical Alternatives

Thu, 29 Sep 2011 19:00:00 -0500

Jimmie Cobb from Dow AgroScience joins us on this episode of ArborViews to discuss the environmental impacts of mechanical and chemical brush control methods. Join us today as he shares with us his perspective on how to decide which brush control methods to use as a response to different environmental conditions, monetary constraints, regulations, and public relations.

How will changes in urban design impact arboriculture?

Thu, 25 Aug 2011 19:00:00 -0500

Special guest Dan Staley discusses with host Ken James how understanding changes in urban design and regulations are instrumental to creating optimal green infrastructures and building environments in innovative streetscapes. Listen to this month’s episode of ArborViews as Staley addresses the changes in road and land use and the need for arborists and planners to have a complete understanding of the urban environment.

A Perspective in Utility Arboriculture

Thu, 28 Jul 2011 19:00:00 -0500

Join us with host Ken James and special guest Geoff Kempter in this month’s episode of ArborViews as they discuss some of the ways current business practices employed by utility arborists relate to the broad field of arboriculture. Listen as they address issues such as safety, laws, and management and present a personal glimpse inside the utility arborist’s role.

Can Anyone Calculate Tree Stability?

Wed, 22 Jun 2011 19:00:00 -0500

In this month’s episode of ArborViews, Frank Rinn joins host Dr. Todd Watson for an open conversation on who should calculate tree stability. For several years tree experts have tried to assess breakage and uprooting failure potential of trees based on technical measurements. Could these calculations possible include ‘hidden’ problems? And how important is sound judgment on the part of the arborist? Find out the answers to these questions and the point of view of an expert on this episode of ArborViews.

Managing the Urban Forest as a Commons

Thu, 26 May 2011 19:00:00 -0500

In this month’s episode of ArborViews, Sarah Mincey joins host Ken James to discuss her research on how lessons from rural community forestry can apply to urban forest management. In her study, Sarah compared many of the principles and lessons from Elinor Ostrom's work on governing the commons, and how those findings can be applied to the planned urban landscape. Learn more about the similarities between these seemingly different approaches in this month’s edition of ArborViews.

Mycorrhizal Inoculation: What worked and what did not work?

Thu, 28 Apr 2011 19:00:00 -0500

In this month’s episode of ArborViews, Dr. Francesco Ferrini joins host Todd Watson to talk about his research on mycorrhizae, the beneficial relationship between certain fungi and the roots of trees. More specifically, Dr. Ferrini’s research investigates how urban trees are influenced by mychorrhizal associations. Does this association affect tree growth? Does it affect tree physiology? Learn more about this symbiotic relationship this month’s edition of ArborViews.

Moonlighting at Monticello: Mr. Jefferson’s Tulip – Taking down Monticello’s Tulip Poplar

Thu, 24 Mar 2011 19:00:00 -0500

In this month’s episode of ArborViews, Don Blair joins host Todd Watson to talk about his work on the removal of a historic Liriodendron tulipifera, or tulip poplar, from the grounds of historic Thomas Jefferson’s Monticello home (located in the state of Virginia, U.S.). During the interview, they discuss the challenges, practices, and considerations that had to be accounted for in this large-scale project as well as some of the history behind this tree and grounds.

Veteran Tree Management

Thu, 24 Feb 2011 18:00:00 -0600

In this month’s episode of ArborViews, Colin Bashford joins host Ken James to talk about some of the myths associated with veteran trees and how an arborist can better manage veteran trees, especially in relation to pruning.

Effects of Root Pruning and Depth on Tree Health, Root Form, and Stability

Thu, 27 Jan 2011 18:00:00 -0600

Can nursery production techniques affect tree growth and development? Listen to this episode of ArborViews to learn from Dr. Edward Gilman about root pruning and other nursery production strategies that may affect root form. He also talks about ways to correct stock problems prior to planting and other techniques that can help prevent problems and enhance tree growth and survival after planting.

Conservation Arboriculture

Wed, 29 Dec 2010 18:00:00 -0600

This month’s episode of ArborViews features Philip van Wassenaer, ISA certified arborist and principal consultant for Urban Forest Innovations Inc. Philip discusses risk assessment for aging trees and new methods for assessment that are less invasive and less damaging to older urban trees, allowing them to continue to provide benefits to their environment.

Assessing Tree Risk

Thu, 25 Nov 2010 18:00:00 -0600

In this episode of ArborViews, Ken James interviews Nelda Matheny where she provides her insight and experience with tree risk assessment. Nelda is an ISA Board-certified Master Arborist and founder of HortScience Inc., and she has over 25 years of experience in tree preservation, landscape suitability assessment and other areas. Don’t miss this informative episode that prompts the question of whether we, as a profession, sometimes remove trees that could be retained as a result of tree risk assessment.

2010 Women’s ITCC Champion

Tue, 26 Oct 2010 19:00:00 -0500

Hardly one to let a little bad weather dampen her spirits or her competitiveness, Jo Hedger won the title of 2010 Women’s International Tree Climbing Champion at the ISA International Conference. In this episode of ArborViews, Dana Karcher interviews Jo and she shares her perspectives on climbing and competition, her background, and her enthusiasm for the field.

Tree Biology through the Seasons

Tue, 21 Sep 2010 19:00:00 -0500

In this episode, ISA Certified Arborist Joe Murray, who serves as assistant professor of biology at Blue Ridge Community College, offers valuable insights and perspective on tree biology, and specifically the path that carbon and nitrogen follow through a tree, as well as how that seemingly familiar information can help dictate new approaches and understandings in the profession.

Development of Tree Climbing Techniques through the Years

Tue, 17 Aug 2010 19:00:00 -0500

In this episode of “ArborViews”, Mark Bridge talks about how climbing techniques and rigging equipment have developed and become more specialized over the last one hundred years. Mark is an ISA Certified Arborist and founding member of the Baumklettern Schweiz training company in Switzerland, as well as an experienced climber. He joins us to discuss how climbing techniques and equipment have changed, and how some things have remained the same.

Incorporating Trees into Urban Rainwater Management Systems

Thu, 29 Jul 2010 19:00:00 -0500

In this edition of "ArborViews", James Urban, author of “Up by Roots: Healthy Soils and Trees in the Built Environment,” provides his insight into how landscape architects and developers can benefit from incorporating trees into design, and how arborists can collaborate with engineers to integrate trees into storm water management.

Earthworms, Compaction, and Soil Biochemical Properties of Structural Soil

Thu, 24 Jun 2010 19:00:00 -0500

The underlying factor behind tree health and tree problems is just that – underneath. Study of the soil and the processes by which the soil quality and structure are or can be affected is crucial to providing arborists with the information they need to plan accordingly. In this episode, host Dr. Todd Watson is joined by Dr. Bryant Scharenbroch, who offers researched approaches on improving soil quality, alleviating compaction, and shows how earthworms and other organisms can improve structural soil composition and plant health.

Understanding Risk

Wed, 26 May 2010 19:00:00 -0500

Risk assessment and management are important aspects of our industry. In this episode of ArborViews, our guest Dr. Julian Dunster talks about the fundamentals of risk, including the definition of terms, understanding important principles, the decision-making process, and risk thresholds. Dr. Dunster also talks about mitigation strategies and how the tree manager should take risk assessment into consideration to effectively manage trees.

More than Survival: Grow and Manage your Business in Tough Times

Wed, 28 Apr 2010 19:00:00 -0500

Not enough cash, not enough time, difficulty managing employees? We live in uncertain economic times. Every business needs cash and there are only two ways to improve cash flow—reduce cost and increase revenue. In this episode, our host Todd Watson interviews Keith Center, an expert in strategic planning and business. Keith talks about how the lack of strategic planning can become a problem for tree care companies and what solutions can be implemented to grow your business.

Anja Erni - 2009 ITCC Winner

Wed, 17 Mar 2010 19:00:00 -0500

In this episode, Dana Karcher—project developer for the Davey Resource Group—interviews Anja Erni, the winner of the 2009 International Tree Climbing Championship. For Anja, the trees are just as important as the people. “[It is] very important that the tree is in the center.” When she speaks of the magnificent tree that she so artfully climbed on her way to victory, she does with such respect and admiration. Don’t miss this incredibly genuine chat between Dana and Anja!

Deep Tree Biology

Thu, 25 Feb 2010 18:00:00 -0600

What, exactly, is “deep tree biology?” Dr. Kim Coder, professor of tree biology at the University of Georgia, discusses the need for arborists to take a deeper look at how trees work to fine-tune the way they care for trees. Understanding photosynthesis and respiration, the key processes of tree physiology, can provide a stronger foundation for diagnosing and treating stressed trees.

CSI for Bugs: Honing Your Diagnostic Skills

Mon, 25 Jan 2010 18:00:00 -0600

Diagnosing insect damage to a tree and identifying the culprit can be a challenge. This engaging interview with Mike Raupp, PhD, professor of entomology and extension specialist at the University of Maryland, offers a practical, step-by-step process for fine-tuning your ‘Crime Scene Investigator’ skills to pinpoint what is “bugging” your client’s tree.