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Establishment of native plant populations on disturbed roadsides was investigated at Bryce Canyon National Park (BCNP) in relation to several revegetation and seedbed preparation techniques. In 1994, the BCNP Rim Road (2,683?2,770 m elevation) was reconstructed resulting in a 23.8-ha roadside disturbance. Revegetation comparisons included the influence of fertilizer on plant establishment and development, the success of indigenous versus commercial seed, seedling response to microsites, methods of erosion control, and shrub transplant growth and survival. Plant density, cover, and biomass were measured 1, 2, and 4 years after revegetation implementation (1995?1998). Seeded native grass cover and density were the...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: Achnatherum,
Arctostaphylos,
Bromus,
Elymus,
Pascopyrum,
Communities of plants, biological soil crusts (BSCs), and arbuscular mycorrhizal (AM) fungi are known to influence soil stability individually, but their relative contributions, interactions, and combined effects are not well understood, particularly in arid and semiarid ecosystems. In a landscape-scale field study we quantified plant, BSC, and AM fungal communities at 216 locations along a gradient of soil stability levels in southern Utah, USA. We used multivariate modeling to examine the relative influences of plants, BSCs, and AM fungi on surface and subsurface stability in a semiarid shrubland landscape. Models were found to be congruent with the data and explained 35% of the variation in surface stability...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: Ecological Applications,
Ecological Society of America,
arbuscular mycorrhizal fungi,
arid ecosystems,
biological soil crusts,
Earth Bound Environmental has created a joint venture with DirtGlue Enterprises to help contractors and landowners to find the most economical solution to their dust issues, he says. DirtGlue offers a variety of products, including DirtGlue Polymer, used for roads, stockpile capping, erosion control and hydroseeding, mining, and military applications; PM Tac, a medium-duty polymer emulsion to control fugitive dust at construction sites or in similar situations; DustLess, an organic fluids blend that needs no water for application, used on unpaved roads, parking lots, service lots, and storage lots; ArenaKleen for horse arenas and stables; and PotHoleGlue, which binds to existing asphalt. Advertisement Maricopa County,...
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