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Keyword: seedlings

Challenges of establishing big sagebrush (Artemisia tridentata) in rangeland restoration: effects of herbicide, mowing, whole-community seeding, and sagebrush seed sources

Publications Posted on: October 02, 2019
The loss of big sagebrush (Artemisia tridentata Nutt.) on sites disturbed by fire has motivated restoration seeding and planting efforts. However, the resulting sagebrush establishment is often lower than desired, especially in dry areas. Sagebrush establishment may be increased by addressing factors such as seed source and condition or management of the plant community.

Effects of fertilizer on media chemistry and red-flowering current seedling growth using a subirrigation system

Publications Posted on: September 16, 2019
Water conservation in nursery systems is an ever-increasing focus, yet there is relatively little guidance for growers producing seedlings intended for restoration regarding how practices such as subirrigation influence plant growth in the nursery and after outplanting.

The big picture on whitebark pine

FS News Posted on: August 31, 2018
Throughout the western United States, whitebark pine is experiencing high mortality, leading to concern about long-term viability of whitebark pine and other species that depend on it. Two new studies of whitebark pine in the western U.S. show that this species continues to die-off in alarming numbers and identifies locations where forest managers may be able to encourage growth of young whitebark pines.

A landscape-level assessment of whitebark pine regeneration in the Rocky Mountains, USA

Publications Posted on: August 30, 2018
Whitebark pine (Pinus albicaulis Engelm.) has recently experienced high mortality due to multiple stressors, and future population viability may rely on natural regeneration. We assessed whitebark pine seedling densities throughout the US Rocky Mountains and identified stand, site, and climatic variables related to seedling presence based on data from 1,217 USDA Forest Service Forest Inventory and Analysis plots.

Landscape-scale assessments of whitebark pine

Science Spotlights Posted on: August 23, 2018
Forest inventory data show that more than half of all standing whitebark pine trees in the U.S. are dead. Regeneration of whitebark pine is widespread, especially in lodgepole pine stands, which suggests that active management of whitebark pine should target mixed-species stands to take advantage of natural regeneration. 

Whitebark pine distribution and regeneration

Media Gallery Posted on: June 04, 2018
Whitebark pine (Pinus albicaulis) is an ecologically important species in high-altitude areas of the West due to the habitat and food source it provides for Clark’s nutcrackers, red squirrels, grizzly bears, and other animals. Whitebark pine stands have recently experienced high mortality due to wildfire, white pine blister rust, and a mountain pine beetle outbreak, leading to questions about the species’ long-term viability. This project seeks to quantify the current distribution and regeneration status of whitebark pine throughout its US range.

Whitebark pine distribution and regeneration in mixed-species stands

Projects Posted on: June 01, 2018
Whitebark pine (Pinus albicaulis) is an ecologically important species in high-altitude areas of the West due to the habitat and food source it provides for Clark’s nutcrackers, red squirrels, grizzly bears, and other animals. Whitebark pine stands have recently experienced high mortality due to wildfire, white pine blister rust, and a mountain pine beetle outbreak, leading to questions about the species’ long-term viability. This project seeks to quantify the current distribution and regeneration status of whitebark pine throughout its US range.

The Native Plant Propagation Protocol Database: 16 years of sharing information

Publications Posted on: May 10, 2018
The Native Plant Propagation Protocol Database was launched in 2001 to provide an online mechanism for sharing information about growing native plants. It relies on plant propagators to upload their protocols (detailed directions for growing particular native plants) so that others may benefit from their experience.

Tree planting in Haiti: How to plant and care for your nursery grown seedlings

Publications Posted on: July 20, 2017
Seedlings need the right amounts of sunlight, water and nutrients to live and grow into healthy trees. Different types of trees have different requirements, so seedlings will need planting sites that meet all of their requirements. For example, pine trees need full sun, a moderate amount of water and a certain combination of nutrients to grow into healthy trees.

Restoration planting options for limber pines in Colorado and Wyoming

Publications Posted on: September 30, 2016
Limber Pine (Pinus flexilis) populations in the southern Rocky Mountains are severely threatened by the combined impacts of mountain pine beetles and white pine blister rust. Limber pineʼs critical role in these high elevation ecosystems heightens the importance of mitigating these impacts.

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