Of the 104 exotic taxa occurring at DWNP, twenty-one have a high invasive rank, such as Ailanthus altissima
, Alliaria petiolata, Artemisia vulgaris, Conium maculatum, Dipsacus fullonum, Fallopia japonica, Lonicera spp.
and Acacia pycnacantha and protect 10 ha of Juniperus-dominated habitat (5210), and 1 ha each of sandy habitat (2110) and coastal rocky habitat (1240) at locally-important spots.
An exotic species found across the United States is the tree-of-heaven, Ailanthus altissima (Miller) Swingle, family Simaroubaceae, order Sapindales.
Ailanthus altissima is a disturbance specialist that grows in a wide variety of habitats including forests, urban areas, reclaimed surface mines, along roads and highways, edges, and fields (Miller 1990; Peigler 1993).
Ailanthus altissima is an effective long distance disperser of seeds, even in forested habitats (Kota 2005).
Ailanthus altissima is an invasive Asiatic tree whose presence in forests of the Eastern U.
Stimulation of Legume Nodulation by Root Exudates of Ailanthus altissima.
Vigorous growth in nutrient poor soils by Ailanthus altissima may result from signal-induced nodulation and subsequent nitrogen-fixation by neighboring legumes.
The invasive tree Ailanthus altissima Swingle (stinking ash, Tree-of-Heaven, Chinese sumac) is an increasing component of U.
For a recent review of the biology of Ailanthus altissima see Kowarik and Saumel (2007).
Objectives: The project aims to control and then eradicate the invasive exotic tree species, Ailanthus altissima
, from the Alta Murgia National Park a Site of Community Importance (SCI) and Special Protection Area (SPA) within the EU s Natura 2000 network of protected areas.
(Miller) Swingle; Tree of Heaven; Woods along railroad track between Research Pond and path to fern garden; Rare; (* #); C = 0; BSUH 11046.