TOPIC: new definitions
== 1 of 1 ==
Date: Sat, Feb 23 2008 5:37 am
The USFS issued a Directive in the past few days that will impact
aspects of forest management on NFS lands. The Directive was issued
on Feb 13 and
takes effect immediately.
Below are some of the definitions that appear for the first time
immediately become part of FS policy.
Genetically appropriate plants. Plants adapted to target site
(for example, has good establishment, vigor, and reproductive
sufficiently, genetically diverse to respond and adapt to changing
environment conditions; unlikely to cause genetic contamination and
local adaptations, community interactions and function of resident
species within the ecosystem; not likely to become (not natural or
inappropriate) invasive and displace other native species; and not
likely to be a source
of non-native invasive pathogens; likely to maintain critical
Invasive species. A species, including its seed, spores or other
material, whose introduction does cause or is likely to cause
environmental harm or harm to human health (Executive Order 13112).
Native plant species. A plant species which occurs naturally in a
particular region, state, ecosystem and habitat without direct or
Noxious weed. A plant species designated as a noxious weed by the
of Agriculture pursuant to the Plant Protection Act of 2000 or by
responsible State official. Noxious weeds generally possess one or
more of the
following characteristics: aggressive and difficult to manage,
parasitic, a carrier or host of serious insects or disease, and
non-native or new to or not common to the United States or parts
Plant materials. Seeds, spores, parts of plants or whole plants.
Plant Material Specialist. An individual certified nationally to
and recommend revegetation, rehabilitation and restoration plans
preparation, species and source selection, seeding/planting
and monitoring protocols.
Rehabilitation. Reparation of ecosystem processes, productivity and
services based on functioning pre-existing or existing ecosystems,
but allowing for
adaptation of sites to specific current or future uses.
Restoration. Assisting the recovery of an ecosystem that has been
damaged or destroyed including the re-establishment of the
biotic integrity in terms of species composition and community
Revegetation. Re-establishment of plants on a site.