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Continuing Education Resources

These resources are provided for individuals who have already completed the Citizen Forester Training Course. To determine the number of CEU (continuing education) credits available for each resources, simply look to the right of the listed resource.

General Biology and Cross Timbers Species

The Cross Timbers Urban Forestry Council offers a guide describing the tree species native to the Cross Timbers region. The page includes links to short descriptions of tree characteristics and identifying features.
Credit Hours: determined by personal discretion based upon time spent reading

The U.S. Forest Service offers an instructional webpage outlining the anatomy of a tree, via research provided by the Arbor Day Foundation. Articles to additional resources are linked within.
Credit Hours: determined by personal discretion based upon time spent reading

Author Jill Jonnes and Baltimore city arborist Erik Dihle host a 50 minute discussion on the importance of urban trees in the archived podcast ‘The Urban Forest and Why It’s Crucial’ from the site Your Public Radio.
Credit Hours: 1

eLearn Urban Forestry is a state-of-the-art online, distance-learning program geared specifically toward beginning urban foresters and those allied professionals working in and around urban and urbanizing landscapes.
Credit Hours: determined by personal discretion based upon time spent navigating all 10 modules

The U.S. Forest Service offers an archived webinar and resource links to a discussion titled ‘Integrating Experts, Communities, and Online Resources for Equitably Expanding Urban Tree Canopy’. The availability of online mapping resources and “big data” on cities offers an approach to address challenges in inequitable distribution of urban tree canopy, as well as waning community engagement in tree canopy management and expansion.
Credit Hours: 1.5

 

 

 

Tree Planting

The Tree Placement and Planting video series contains 4 video segments instructing beginners on how to assess sites prior to planting, prepare container grown and burlapped trees, and avoiding root disturbance during construction.
Credit Hours: 1

Casey Trees is a Washington D.C. based nonprofit established to restore, enhance, and protect the tree canopy of the capital. Their website includes a page of resources to assist in tree care nationwide.
Credit Hours: determined by personal discretion based upon time spent exploring resources

The USDA’s National Agroforestry Center offers a video loan service with a short instructional titled ‘Green Side Up’ designed to train tree planting professionals. Broken into three 15- to 20-minute modules, this video covers transportation and on-site care, hand planting seedling trees, and machine planting.
All videos are available on loan basis. Please follow the instructions listed on the webpage to access this resource.
Credit Hours: 1

The USDA National Forest Service offers a 40 page Tree Owner’s Manual in PDF format, outlining everything a tree owner needs to know about tree care, from planting, to pruning, to protecting from construction damage.
Credit Hours: determined by personal discretion based on time spent reading booklet

Backyard Conservation has provided an instruction booklet on how to correctly plant a tree in your backyard considering proper tree placement, species, planting, maintenance, and pruning
Credit Hours: determined by personal discretion based on time spent reading booklet

 

 

 

 

Pruning

Our City Forest created a quick, comprehensive guide to proper pruning techniques with helpful diagrams.
Credit Hours: determined by personal discretion based upon time spent exploring guide

 

Tree Inventory and Risk Assesment

Recognizing Tree Risk is a brochure that outlines identifying common tree defects that may indicate tree risk and understand how tree risk may be managed.
Credit Hours: determined by personal discretion based on time spent reading brochure

‘Tree Risk Assessment: Limited Visual Assessment is an interactive instruction module that identifies the basics of visual tree risk assessment. Includes a worksheet, quizzes, and multiple examples.
Credit Hours: determined by personal discretion based on time spent exploring instructional presentation

A Practical Approach to Assessing Structure, Function, and Value of Street Tree Populations in Small Communities is a study demonstrating an approach to quantify the structure, benefits, and costs of street tree populations in resource-limited communities without tree inventories. Using the city of Davis, California as a model, existing data on the benefits and costs of municipal trees were applied to the results of a sample inventory of the city’s public and private street trees.
Credit Hours: determined by personal discretion based on time spent reading study

 

 

Protection and Management

Guidelines for Developing and Evaluating Tree Ordinances is a reference guide provided by the International Society of Arboriculture (ISA) which provides a variety of tools and resources for citizens and local governments interested in developing, revising, or evaluating local tree ordinances.
Credit Hours: determined by personal discretion based on time spent reading reference guide

Avoiding Tree Damage During Construction is a brochure provided by the ISA, addressing possible ways in which existing trees may be damaged during a construction project and methods for planning and facilitating the prevention of tree damage. 
Credit Hours: determined by personal discretion based on time spent reading brochure

Treatment of Trees Damaged by Construction is a brochure provided by the ISA, which addresses tree damage assessments and remedial treatments that may preserve trees damaged during construction.
Credit Hours: determined by personal discretion based on time spent reading brochure

A Tree Hurts Too is a booklet provided by the U.S. Forest Service which outlines ways in which people may be unintentionally causing harm to their trees and ways to improve their care of them.
Credit Hours: determined by personal discretion based on time reading booklet

Tree Pests in the Urban Environment is a video series provided by the Bartlett Tree Research Lab. The series includes discussions on healthy trees and landscapes that help save energy, pest and urban landscapes, selecting pest-resistant plants, harmful and beneficial insects and pest identification, and methods of pesticide use.
Credit Hours: 1

 

Books

Trees of North Texas is a book by Robert A. Vines. “This comprehensive and compact volume is a field guide to all the native and naturalized trees of the North Texas zone, including the Blackland Prairies, the Cross Timbers region, and both the Rolling and High Plains.”
Credit Hours: determined by personal discretion on time spent reading material

Trees of Texas: An Easy Guide to Leaf Identification is a book by Carmine Stahl and Ria McElvaney. “This guide to the identification of just over two hundred of Texas’ most common native and naturalized trees brims over with life-sized, black-and-white photographs of leaves, fruit, flowers, and bark. Scanned directly from actual specimens, these images accompany species descriptions that include height, growth rate, commercial or wildlife value, family, and vegetation region of the trees, alongside captivating folklore and interesting cultural and historical annotations.”
Credit Hours: determined by personal discretion on time spent reading material

Trees of Texas Field Guide is a book by Stan Tekiela. “Trees are all around, but how much do you know about them? With this famous field guide by award-winning author and naturalist Stan Tekiela, you can make tree identification simple, informative, and productive. Learn about 180 Texas trees, organized in the book by leaf type and attachment. Fact-filled information contains the particulars you want to know, while full page photos provide the visual detail needed for accurate identification. Trees are fascinating and wonderful, and this is the perfect introduction to them.”
Credit Hours: determined by personal discretion on time spent reading material

Urban Forestry: Planning and Managing Urban Greenspaces is a book by Robert W. Miller. “As cities become larger and more complex, trees may exist in them through careful design, through poor design, or by accident. Urban Forestry addresses how to carefully and successfully plan for and manage vegetation as part of an urban ecosystem. This edition provides information on all aspects of the field, including the history and uses of urban vegetation, appraisal and inventories, the planning process, and management maintenance.”
Credit Hours: determined by personal discretion on time spent reading material

The Hidden Lives of Trees is a book by Dave Tull. “This book enumerates a myriad of ways in which trees actually communicate with each other. For example, when confronted with a parasite, some trees will emit chemicals that give their leaves a bitter flavor that is unpleasant to the parasite. And more to the point, nearby trees, whose contact with the original tree is through contact underground at the tips of their roots, will then emit the chemical repellent in turn. In this way, communities of trees work together to defend themselves against a common threat.”
Credit Hours: determined by personal discretion on time spent reading material

Urban Forests is a book by Jill Jonnes. “This book is a passionate, wide-ranging, and fascinating natural history of the tree in American cities over the course of the past two centuries. Jonnes’ survey ranges from early sponsors for the Urban Tree movement to the fascinating stories of particular species (including Washington D.C.’s famed cherry trees, and the American chestnut and elm, and the diseases that almost destroyed them) to the institution of Arbor Day, to the most recent generation of tree evangelists who are identifying the best species to populate our cities’ leafy canopies. The book examines such questions as the character of American urban forests and the effect that tree-rich landscaping might have on commerce, crime, and human well-being. As we wrestle with how to repair the damage we have wrought on nature and how to slow climate change, urban forests offer an obvious, low-tech solution.”
Credit Hours: determined by personal discretion on time spent reading material

Ecosystems and Human Well Being is a book by the Millennium Ecosystem Assessment. “The Millennium Assessment focuses on how humans have altered ecosystems, and how changes in ecosystem services have affected human well-being, how ecosystem changes may affect people in future decades, and what types of responses can be adopted at local, national, or global scales to improve ecosystem management and thereby contribute to human well-being and property alleviation. The program was launched by United National Secretary- General Kofi Annan in June 2001.”
Credit Hours: determined by personal discretion on time spent reading material

Tree Diagnosis and Treatment: A Collection of CEU Articles is a compilation of CEU articles previously published in Arborist News. Written by specialists in the field, the articles were thematically selected to improve arborists’ understanding of both abiotic and biotic stresses and their treatments. Articles include “Plant Health Care and the Diagnostic Process,” “Surefire Rules to Diagnosis,” and “Using Biological and Biorational Controls to Their Fullest.” This is one of then sets of articles that will help increase knowledge and provide readers with a better understanding of the subject matter, and is an affordable and convenient way to earn CEU’s.
Credit Hours: determined by personal discretion on time spent reading material

Best Management Practices – Tree Risk Assessment is intended to serve as a guide for arborists to assess tree risk as accurately and consistently as possible, to evaluate that risk, and to recommend measures that achieve an acceptable level of risk.
Credit Hours: determined by personal discretion on time spent reading material

Urban Forestry: A Collection of CEU Articles is a compilation of CEU articles previously published in Arborist News. Written by specialists in the field, the articles were thematically selected to improve arborists’ understanding of both abiotic and biotic stresses and their treatments. Articles include “Challenges of the Built Environment,” “Root-Friendly Planting Sites,” and “Wildfire and the Role of the Arborist.” This is one of then sets of articles that will help increase knowledge and provide readers with a better understanding of the subject matter, and is an affordable and convenient way to earn CEU’s.
Credit Hours: determined by personal discretion on time spent reading material

The Practical Science of Planting Trees is a volume by Gary W. Watson and E.B. Himelick. “This comprehensive volume is an up-to-date synthesis of the latest research devoted to planting urban trees. Anyone interested in planting trees- arborists, landscape professionals, students, researchers, and avid gardeners- will find this book to be an invaluable resource with an extensive reference list of scientific literature.”
Credit Hours: determined by personal discretion on time spent reading material

Planting Healthy Air: A Global Analysis of the Role Urban Trees Play in Particulate Matter Pollution and Extreme Heat is a study conducted by the Nature Conservancy. This study applies to well-established research into how trees clean and cool the air locally at a global scale to identify those places where an investment in tree planting can make the biggest impact on people’s lives. This study aims at providing urban leaders with the data they need to demonstrate that investments in tree planting can improve public health in their cities.
Credit Hours: determined by personal discretion on time spent reading material