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Conservation Gap Analysis of Native U.S. Oaks

Oaks are critical to the health and function of forest and shrubland habitats in the United States, but many native oaks are threatened with extinction in the wild. Ongoing conservation efforts exist for some species, but with growing threats and...

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7/30/19
Impact of Significant Weather Events on Plant Death in Managed Landscapes

Intensively managed landscapes, like those found in many public gardens, attempt to mitigate the impact of significant weather events through irrigation, improving soil characteristics, and mulching. At the same time many gardens purposefully push the...

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7/9/19
Analysis of Climate Change Impacts on Tree Species of the Eastern US

Participants will learn about the potential impacts of climate change on 125 tree species of the eastern US. Changes in suitable habitat, capacity to cope with the changing climate, and potential for infilling or migration by the end of this century...

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6/24/19
Forest Resources of the United States, 2017: A Technical Document Supporting the Forest Service 2020 RPA Assessment

This publication provides forest resource statistics contributing to the 2020 Resources Planning Act (RPA) Assessment to provide current information on the Nation’s forests. Resource tables present estimates of forest area, volume, mortality, growth,...

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5/30/19
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
Contemporary climatic analogs for 540 North American urban areas in the late 21st century

A major challenge in articulating human dimensions of climate change lies in translating global climate forecasts into impact assessments that are intuitive to the public. Climateanalog mapping involves matching the expected future climate at a...

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2/27/19
Identifying and addressing information gaps in plant databases to support emerging planting design technologies promoting biodiversity and ecological benefits

The PCA welcomed Doug Tallamy, Mary Phillips, John Rowden, and Judy Venonsky as panelists (Moderated by Casey Sclar) on “Identifying and addressing information gaps in plant databases to support emerging planting design technologies promoting...

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1/28/19
New Research and BMPs in Natural Areas: A Synthesis of the Pollinator Management Symposium from the 44th Natural Areas Conference, October 2017

To address the growing interest and expressed need for pollinator management strategies a special pollinator symposium was held at the 2017 annual conference of the Natural Areas Association, curated by William Carromero of the US Forest Service and...

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1/9/19
GloPL, a global data base on pollen limitation of plant reproduction

In a pollen supplementation experiment, fruit or seed production by flowers exposed to natural pollination is compared to that following hand pollination either by pollen supplementation (i.e. manual outcross pollen addition without bagging) or manual...

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11/26/18
Botanic gardens are an untapped resource for studying the functional ecology of tropical plants

Functional traits are increasingly used to understand the ecology of plants and to predict their responses to global changes. Unfortunately, trait data are unavailable for the majority of plant species. The lack of trait data is especially prevalent...

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11/26/18
Safeguarding Our Tree Collections: Gardens Coordinate to Manage Diversity

“Which plants should I grow, and how many?” The IMLS National Leadership Project, Safeguarding our Tree Collections, seeks to answer this fundamental question. Through structured comparisons of genetic data among major groups of seed plants, management...

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6/21/18
Documenting Living Collections: A Study of Curatorial Practices, Challenges, and Solutions for Historic Botanic Gardens

Botanic gardens are living museums, offering opportunities for conservation and research as well as education, experience, and enjoyment through their plant collections. A garden’s plant records system is as vital as the plants themselves, and serves...

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3/16/18
National Seed Strategy: Restoring Pollinator Habitat Begins with the Right Seed in the Right Place at the Right Time

In 2012, more than two million acres of important sage-brush habitat burned in four Western States. In the East, Hurricane Sandy caused not only widespread damage to homes and businesses, but also to native plant communities that stabilize soils and...

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3/15/18
Student Presentations

Consisting of several 15-minute presentations, this session is devoted exclusively to having the future leaders of public horticulture share their latest research findings. Through these undergraduate and graduate student presentations, current...

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7/9/17
Monarch Butterflies: Communicating the Intersection of Plant and Insect Conservation

Public gardens occupy a key position in supporting nationwide efforts to increase monarch butterfly populations. However, numerous questions remain to be resolved in regards to how we can best support conservation of both monarch butterflies and the...

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7/9/17
Beautiful Gardens Begin with Healthy Soil: Soil Quality Assessment and Care as Management Tools

Beautiful gardens begin with healthy soil. The concept of soil quality is the capacity of soil to provide key functions and is measured using a variety of biological, chemical, and physical properties and processes. Soil health indicators have been...

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7/9/17
The Triumphs and Tribulations of Trialing: All-America Selections and Beyond

A well-developed trialing program can benefit a public garden, its visitors, and the horticulture industry as a whole. Successful plants with proven performance create beautiful displays that engage the public and showcase the living landscape. The...

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7/9/17

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