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Forests - Iowa's Nature Series

The forests of a prairie state like Iowa are unique refugia of biological diversity and important ecological and economical function. This article explores Iowa's forest ecosystems and the critical roles they play in our environment, economy, and quality of life.

The Iowa’s Nature series was a collaborative project between Iowa State University Extension and Outreach, the Iowa Association of Naturalists, and the Iowa Department of Natural Resources with support from the Resource Enhancement and Protection Program. To learn more about the project, visit https://naturalresources.extension.iastate.edu/Iowas-Nature

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ENT 57(S)

Opciones de manejo del barrenador verde esmeralda

Dueños de propiedades y los aplicadores de pesticidas comerciales encontrarán medidas de control a considerar para prevenir y tratar la infestación de fresnos por el barrenador verde esmeralda. Incluye recomendaciones de productos y evaluación de eficacia de los insecticidas.

Spanish version of Emerald Ash Borer Management Options. Previously known as PM 2084(S).

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ENT 57

Emerald Ash Borer Management Options

Homeowners and commercial pesticide applicators will find control measures to consider in preventing and treating the infestation of ash trees by the emerald ash borer. Includes product recommendations and evaluation of insecticide effectiveness.

Previously known as PM 2084.

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SUL 4

Dutch Elm Disease and Disease-Resistant Elms -- Sustainable Urban Landscapes

Find out about disease-resistant elms to combat Dutch Elm Disease.

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PM 3074

Finding a Certified Pesticide Applicator for Emerald Ash Borer Treatment

A useful guide to finding certified pesticide applicators who can treat for tree and shrub pests, including the emerald ash borer.

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PM 2088F

Fire in Grazing Management: Patch-Burn Grazing

Fire is a critical natural process necessary for maintaining ecosystems around the world, providing a means for renewal, regrowth and maintenance of habitats.

In grassland and savanna ecosystems, fire plays an important role by limiting encroachment of wood species and cycling nutrients; however, in nearly all grassland and savanna habitats fire was not the only process at work. Historically, fire was closely coupled with grazing – namely by large mammals. These coupled processes, known technically as the firegrazing interaction or pyric-herbivory, combined to create a diverse habitat matrix in varying stages of succession across the landscape.

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PM 2088G

Burning for Oak Regeneration

The long relationship between oaks and fire has resulted in several adaptations to fire: thick bark which provides some protection from heat, leaf litter which dries quickly and promotes fire spread, and an ability to quickly resprout from the root collar. These adaptations allow for rapid growth of aboveground stems from existing root systems which “capture” growing space and vie for light resources more effectively. Fire removes litter and enhances nutrient rich mineral seed beds, allowing acorns to germinate and grow with less competitive stress.

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PM 2088B

Considerations for Prescribed Burning: Tools & Safety Gear

Prescribed fire is one of a suite of tools used to manage landscapes to achieve specific management goals. Safety in using prescribed fire is of utmost importance. To conduct a safe and effective prescribed fire requires not only a burn plan and clear lines of communication, but also the right equipment and a crew who know how to safely use that equipment and employ the correct firing techniques.

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PM 2088C

Considerations for Prescribed Burning: Timing a Prescribed Burn

Prescribed fire is a tool utilized under very specific and predetermined conditions to manipulate the environment and achieve a desired outcome. Fires helped to control unwanted pests, and to increase safety around the living areas by increasing the visibility. Learning from the past, land stewards now use prescribed fire in forests to manage vegetation, improve wildlife habitat, and control pest problems.

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PM 2088D

Smoke Management for Prescribed Burning: What to Consider

Managing smoke produced by prescribed fires has, in recent years, become a critical consideration when planning a prescribed fire event. In some situations, planning for smoke management may be more complicated than planning for the prescribed fire itself. Considerations such as human and animal health and safety, air pollution, and reduced visibility must be taken into careful account when planning even a small, routine prescribed burn.

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PM 2088E

Considerations for Prescribed Burning: Ignition Techniques

When initiating a prescribed fire, it is important to determine the type of ignition pattern, or combination of patterns prior to the burn. Making this determination depends on several factors: burning objectives, fuel characteristics, pre- and post-burn weather, smoke management, manpower and equipment availability, and adjacent fuels.

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RG 214

Choosing an Arborist

Tree work should be performed only by a properly trained and equipped arborist. Considerations in choosing an arborist include certification, insurance, references, contracts, etc.

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NA-PR-02-11

Pest Alert - Bur Oak Blight

Published by the USDA Forest Service in 2011, this publication uses clear photos to show the symptoms of bur oak blight, a recently discovered and damaging disease of bur oaks in Iowa. Includes how to recognize bur oak blight, where to get help in diagnosing the problem, and what can be done to manage the disease.

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SUL 21

Common Problems of Ash Trees

Many ash tree problems can be mistaken for emerald ash borer infestation. Before removal or needlessly treating with pesticides, use this diagnostic guide to distinguish emerald ash borer injury from other common problems of ash.

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PM 2088A

Developing a Prescribed Fire Burn Plan: Elements & Considerations

Burn plans are a critical component of any prescribed burn. The purpose of a burn plan is to provide a description of the burn area, target weather conditions, hazards that may be encountered, personnel needs and safety and contacts to make prior to burning.

This publication includes a burn plan template and explains the importance and purpose of each section of the template.

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SUL 1

Understanding the Effects of Flooding on Trees -- Sustainable Urban Landscapes

Flood-stressed trees show a variety of symptoms and also become candidates for insect and disease damage. Research has found some trees are more tolerant than others.

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PM 1429G

Conifer Species for Iowa -- Community Trees

With their ever-present foliage, conifers make excellent screens, windbreaks, and hedges and provide year-round visual interest. The included list of recommended conifers is a guide for homeowners and landscape professionals.

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SUL 2

Understanding Decline in Trees -- Sustainable Urban Landscapes

Tips on how to identify, prevent, or reduce the stress-causing factors that lead to tree decline.

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SUL 5

Pruning Trees: Shade, Flowering, and Conifer -- Sustainable Urban Landscapes

Discover the art and science of pruning with informative photos and detailed guidelines.

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PM 2002B

Planning for Wooded Acreages and Woodlands

Learn about woodland mapping and management plans, as well as what to do about invasive plants. Plus more info to help you be a good steward and protect your woodland. See also Pm 2002A, Woodland Improvement and Crop Trees in Iowa.

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PM 2002A

Woodland Improvement and Crop Trees in Iowa

Learn about the woodland improvement practice of thinning -- removing some trees to favor others. See also Pm 2002B, Planning for Wooded Acreages and Woodlands.

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SUL 11

Fungal Cankers of Trees -- Sustainable Urban Landscapes

Cultural management techniques can help reduce the risk of canker diseases.

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PM 1528

Common Diseases of Conifers in Iowa

Color photos help you make the right diagnosis for nine diseases. Causal agents, typical host species, symptoms, and disease spread are discussed. Also learn proper maintenance and chemical controls to keep your evergreens healthy.

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PM 1812

The Forest Where Ashley Lives

In this classic story written by a former ISU Extension and Outreach forester and his daughter, a girl describes the variety of trees found in her town and how forests provide many benefits for people and animals.

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RG 701

Iowa's Oaks -- Reiman Gardens

Learn more about Iowa’s official state tree and the twelve different species native to Iowa.

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PM 1814

Crabapples for Midwestern Landscapes

More than 90 color photos showing 43 cultivars to match the correct tree to your specific site and personal needs. Choose from the cultivars to enjoy an avalanche of colorful, fragrant flowers each spring and a handsome, healthy tree throughout the year.

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PM 1702

Juniper Diseases

Help with identification and control of the most common juniper diseases. Color photos and tables.

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