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Chicago Region 2020 Tree Census

The Morton Arboretum has released the results of its 2020 Chicago region tree census. Findings include the loss of an estimated 6 million ash trees, felled by the emerald ash borer. Chicago's canopy cover decreased from 19% to 16%, largely because of...

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5/4/21
A Threat to Ecological Investments: Plant Pathogens in Landscape Restoration Projects

To repair ecological damage caused by construction, landscape managers typically apply restoration techniques - but what if these activities further damage the ecology? Invasive Phytophthora pathogens have been inadvertently introduced to...

Resource
4/29/21
Pine health issues in the southeastern U.S.

Several biotic and abiotic stressors, including insects, pathogens, and weather, can impact pine growth in the Southeast. Dr. David Coyle (Clemson University) will provide a general overview of identification, impact, and management strategies for pine...

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4/16/21
Loblolly Pine Health in the Southeastern U.S.

Southern pine species such as loblolly, longleaf, shortleaf, and slash cover much of the 
southeastern U.S., and are a critical component of the region’s economy.  Loblolly pine is the 
most widely planted species in the southeastern...

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3/15/21
Cornell Botanic Gardens: Invasive Plant Policy

A policy document developed to balance the public garden mission of holding diverse horticultural collections with the conservation mission of preserving natural areas and the broader environment.

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3/2/21
Invasive Woody Plants and Their Effects on Arthropods in the United States: Challenges and Opportunities

Invasive plant introductions are increasing globally, and trends in human activity suggest these increases will continue. Although we know much about interactions between invasive herbaceous plants and arthropod communities, there is a dearth of...

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1/14/21
Bartlett Tree Experts Series: Sustainable Landscape Management

Greg reviews the key components to maintaining our stressed landscapes with tried and true Sustainable Landscape Management practices.

Speaker: Greg Paige, Director of Horticulture and Arboretum Curator, Bartlett Tree Research Laboratories and...

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12/15/20
The Science and Practice of Managing Forests in Cities

The past few months have highlighted the importance of parks and nature in cities. Urban natural areas are critical as refugia, protecting biodiversity and mitigating the impacts of climate change all while contributing to the health and wellbeing of...

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6/30/20
An initial industrial flora: A framework for botanical research in cooperation with industry for biodiversity conservation

We partnered with various federal, state, and private interests to evaluate the floristic composition at the Garden City Terminal of the Port of Savannah, Georgia, USA. We conducted the following study to demonstrate the collaborative relationship-...

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4/9/20
Squeezed from All Sides: Urbanization, Invasive Species, and Climate Change Threaten Riparian Forest Buffers

Streamside forests of urbanizing coastal regions lie at the nexus of global changes: rising sea
levels, increasing storm surge, expanding urban development, and invasive species. To understand
how these combined stressors affect forest...

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2/24/20
Plants on the Move: How Public Gardens Can Help Control Invasive Plants

Public botanical gardens and arboreta are living museums and as such, their core missions
include the collection and display of herbaceous and woody plants from their local region or
from around the world. To fulfil this mission, gardens...

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1/23/20
Guidelines for Listing, Categorizing and Sharing Information on Plant Taxa Spreading from Cultivation at Public Gardens in North America

The purpose of these guidelines is to provide a consistent methodology for public garden staff to develop and categorize a list of cultivated taxa observed escaping from their locations of cultivation. The recommendations are meant to guide public...

Resource
1/23/20
New Tools for Identifying and Prioritizing Range Shifting Invasive Plants

Join Jenica Allen and Bethany Bradley to learn about new tools for identifying and prioritizing range-shifting invasive plants coming soon to a landscape near you. Whether you’re a property owner, land manager, landscape professional, or policymaker,...

Resource
11/25/19
A decision framework for hemlock woolly adelgid management: Review of the most suitable strategies and tactics for eastern Canada

The invasive hemlock woolly adelgid (HWA) has decimated hemlock stands across much of the eastern United States, and presents a significant threat to all eastern hemlock in Canada across Ontario, Quebec, New Brunswick, Nova Scotia, and Prince Edward...

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5/13/19
New and Noteworthy Epiphytic Ferns from the Urban Forests of Coastal Southern California, U.S.A.

Davallia solida (G. Forst.) Sw. (Davalliaceae), Phlebodium aureum (L.) J. Sm. (Polypodiaceae), Phlebodium pseudoaureum (Cav.) Lellinger (Polypodiaceae), and Rumohra adiantiformis (G. Forst.) Ching (Dryopteridaceae) are epiphytic ferns native to the...

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4/26/19
Guidelines for invasive species planning and management on islands

The purpose of this document is to assist anyone planning and programming the management of invasive species on islands, with the aim of reducing the negative impacts of invasives on islands’ rich and fragile natural heritage, communities and...

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11/15/18
Integrating invasive species policies across ornamental horticulture supply chains to prevent plant invasions

Ornamental horticulture is the primary pathway for invasive alien plant introductions. This paper critically appraises published evidence on the effectiveness of four policy instruments that tackle invasions along the horticulture supply chain: pre-...

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9/17/18
Habitat Planning for Beneficial Insects: Guidelines for Conservation Biological Control

The purpose of these guidelines is to provide recommendations to farmers, conservation districts, USDA Natural Resources Service (NRCS) field office staff, and other agricultural professionals, when designing and installing habitat features for...

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8/30/17
PRE Pairing for Success: Emerging Invasives, Contentious Cultivars, and Common Ground

Meet the science-based, horticultural plant risk analysis tool that is good for business and the environment. Known as PlantRight “PRE” (Plant Risk Evaluator), this 20-question, online tool, and database enables Gardens to know before they grow if a...

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7/9/17
Public Gardens as Sensible Beacons of Plant Invasion

Invasive plant species can grow in natural areas even as they are commercially available throughout that region. When this happens, private, commercial, and government sectors may have different perspectives...

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9/24/16

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