“the scientiﬁc management of forests for the continuous production of goods and services,” Silviculture is fundamental to sustaining the health and productivity of America’s longleaf pine ecosystems. Improved understanding of the basic physiology of longleaf pine and its native understory plant communities and how they interact with the environment remains a crucial need.
Information on Knowing When to Cull Seedlings, Reducing Lateral Root Deformity, Improving Early Field Performance, etc.
Although longleaf pine was known in the past for erratic seed production and poor seedling survival, knowledge gained through research in recent decades has greatly increased regeneration success. Periodic regeneration, preferably by natural means and if necessary by artiﬁcial approaches, is essential for the sustainable management of longleaf pine forests.
Ecological restoration is “an intentional activity that initiates or accelerates the recovery of an ecosystem with respect to its health, integrity and sustainability.” Restoration’s principal goal is to improve (and reestablish where necessary) the composition, structure and functions of an ecosystem, so that its productivity, diversity and many life‐support processes or “ecosystem services” will be sustained to beneﬁt present and future generations
Many landowners are seeking alternative production systems that increase the proﬁtability of their lands while allowing the property to remain in forests. Silvopasture is one such system. It combines growing high value timber with forage and domesticated animal production. Many landowners are seeking alternative production systems that increase the proﬁtability of their lands while allowing the property to remain in forests. Silvopasture is one such system. It combines growing high value timber with forage and domesticated animal production.
The longleaf pine (LLP) ecosystem includes some of the most species-rich plant communities outside the tropics, and most of that diversity is in the groundcover vegetation. The groundcover harbors many rare plant species, enhances the habitat for resident fauna, and produces fuel needed to carry surface ﬁres that perpetuate the system. A vigorous and continuous groundcover facilitates the use of prescribed ﬁre, one of the most effective and economical methods for achieving landowner objectives. Restoring the groundcover is increasingly cited as a management objective.
A informational brochure on the Palustris Experimental Forest, including information on the major Tracts and Emphases.
There are eight species of the pitcher plant genus Sarracenia in North America, seven of which can be found in the Gulf Coast region of the United States. They grow in bogs and in wet longleaf pine savannahs. The plants are carnivorous, trapping insects in hollow, water. Conservation and restoration efforts require further study of Sarracenia seed biology and ecology.
The Longleaf Pine/Bluestem Range once extended from northwestern Florida and southern Alabama to eastern Texas in 1935. Uncontrolled harvesting denuded most of this range, and wildﬁres, overgrazing by livestock, and foraging by feral hogs kept natural pine regeneration from restocking these lands. Longleaf pine management became possible only after feral hogs were controlled, other livestock placed under management, and ﬁre use restrained. Where a seed source was available, longleaf pine was now able to regenerate naturally, and the seedlings grew where prescribed ﬁres were routinely applied.
Resilience of Longleaf Pine Saplings After Stem Displacement Depends on Their Root System Architecture
Unit scientists are testing the effect of container cavity type and size on the root development and stem displacement of longleaf pine. Naturally and artiﬁcially regenerated longleaf pine trees were excavated to assess their root system architecture in relation to stem stability.
The sustainability of southern pines depends on continuous expansion of the root system and mycorrhizal network. This is especially true for longleaf pine which, among the southern pines, is the most tolerant of infertile sites and drought. Consequently, it is often the dominant pine in harsh settngs.
Before the era of its harvest and replacement, longleaf pine was found on an array of sites from the rich soils now used to grow commercial loblolly and slash pines to the less fertile and often dry soils of many public lands. Today, most longleaf forests are found where other pines cannot be sustained. The ability of longleaf pine to thrive where other pine species fail attests to its tolerance of difficult conditions.
Information about the Unit and Unit Scientists.