Revegetation of Degraded Lands at U.S. Department of Energy and U.S. Department of Defense Installations: Strategies and Successes

Anderson, D. C.; Ostler, W. Kent

doi:10.1080/153249802760284766

Cited by 23 publications

(35 citation statements)

References 1 publication

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“…It is therefore possible that even low amounts of supplemental water, applied at the right time, can improve the germination and establishment of native seeds and seedlings (Roundy et al 2001). Anderson and Ostler (2002) found that the addition of 112 mm of irrigation water to a Mojave Desert site with natural annual precipitation of 130 mm markedly enhanced the germination of native shrubs over control plots without irrigation. Native tall shrubs' relative heights seedlings were within the observed average for healthy, unstressed and photosynthetically efficient C3 plants (Griffiths 1991).…”

Section: Effects Of Irrigationmentioning

confidence: 99%

Ecological Factors Preventing Restoration of Degraded Short Tussock Landscapes in New Zealand’s Dryland Zone

et al. 2017

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Section: Effects Of Irrigationmentioning

confidence: 99%

Ecological Factors Preventing Restoration of Degraded Short Tussock Landscapes in New Zealand’s Dryland Zone

et al. 2017

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“…However, when human-induced means are used, the time for reestablishment of a viable plant community may be shortened. Various revegetation efforts in arid and semiarid regions of the Southwest have shown that establishing a plant community by re-seeding (human-induced) is practical and cost-effective when proper revegetation techniques are employed (Graves et al, 1978;Kay, 1979;Clary, 1983;Anderson, 1987;EG&G/Energy Measurements [EM], 1993;TRW, 1999;Bainbridge et al, 1995;Anderson and Ostler, 2002;Ostler et al, 2002a).…”

Section: Quality Assurancementioning

confidence: 99%

“…The loss of water through transpiration will be maximized and the potential for water to penetrate the buried waste materials is minimized with the reestablishment of a native plant community. The native vegetative cover prevents the establishment of invasive plant species (National Security Technologies, LLC [NSTec], 2007;Anderson and Ostler, 2002). Invasive plants, which are typically annual plants, do not create a cover that will meet the closure cover objectives.…”

Section: Quality Assurancementioning

confidence: 99%

Closure Plan for the Area 3 Radioactive Waste Management Site at the Nevada Test Site

2007

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Integrated Closure and Monitoring Plan (DOE, 2005a). The major updates to the plan include a new closure schedule, updated closure inventory, updated site and facility characterization data, the Title II engineering cover design, and the closure process for the 92-Acre Area of the RWMS.The format and content of this site-specific plan follows the Format and Content Guide for U.S. Department of Energy Low-Level Waste Disposal Facility Closure Plans (DOE, 1999a The Area 5 RWMS accepts primarily packaged low-level waste (LLW), low-level mixed waste (LLMW), and asbestiform low-level waste (ALLW) for disposal in excavated disposal cells.The Area 5 RWMS covers 293 hectares (724 acres) and is bounded by a buffer zone 300 meters (1,000 feet) wide. The southeast and northeast quadrants of the RWMS are actively used for disposal of wastes, although many of the disposal units in the southeast quadrant, the 92-Acre Area, are operationally closed or nearing capacity. The northeast quadrant is being developed and is referred to as the "Expansion Area." NNSA/NSO is currently planning to close the 92-Acre Area in 2011. Closure planning for this site takes into account the regulatory requirements for a diversity of waste streams, disposal and storage configurations, disposal history, and site conditions. Activities associated with final closure of the 92-Acre Area are scheduled to be completed in fiscal year (FY) 2011. Activities associated with final closure of the Area 5 RWMS are scheduled to start in FY 2028 and be completed in FY 2029.The 92-Acre Area contains 25 shallow excavated pits and trenches and 13 Greater Confinement Disposal (GCD) boreholes. The pits and trenches range in depth from approximately 4.6 to 14.6 m (15 to 48 ft). A small quantity of classified transuranic (TRU) materials was inadvertently buried in one trench in 1986. The GCD boreholes are intermediatedepth disposal units, 3 to 3.7 m (10 to 12 ft) in diameter and about 36 m (120 ft) deep. Unclassified GCD boreholes include high-specific-activity LLW, whereas the classified GCD boreholes include high-specific-activity low-level, TRU, and mixed TRU (MTRU) wastes.With the exception of three disposal units, all of the pit and trench disposal/storage units within the 92-Acre Area are covered with operational covers made up of native soil approximately 2.4 m (8 ft) thick. Pits P03U, P06U, and P09U are active.

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“…This is the reason why the introduction of seedlings linked to the site preparation focused on concentrating runoff water on the seedling bed can not only improve the afforestation and avoid its failure [2,9] but also increase the afforestation growth [12,30].…”

Section: Introductionmentioning

confidence: 99%

“…On the other hand, the banks must have overflow channels to avoid the flooding of the afforestation area, as well as channels to lead the surplus water from the hillside to natural runways [2,9], so avoiding the banks destabilisation.…”

Section: Introductionmentioning

confidence: 99%

Effects of site preparation with micro-basins on Pinus halepensis Mill. afforestations in a semiarid ombroclimate

et al. 2006

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-A forested area at the Sierra de Gador, Almería, Spain, was afforested with Aleppo pine (Pinus halepensis Mill.) 13 years ago using a technique never before used in Europe for forested areas: banks with micro-basins. This technique is compared in our study to the banks without micro-basins, both in sunny and shady slopes. It is also analysed whether this site preparation modifies the specific composition of the pre-existing vegetation. The average height of the pines planted on shady plots with micro-basins is 3.06 m whereas in shady plots without micro-basins the average height is 2.37 m, in sunny slope average height are 2.52 m compared to 1.61 m with and without micro-basins. These differences are significant, as are the ones in diameter: 11.1 cm compared to 8.5 cm in the first case and 11.0 compared to 7.0 cm in the second. Micro-basins supply possibly enough water to the banks so that the annual increase of the growth rings does not depend on the rainfall, not even during a particularly dry year. In plots without micro-basins there is a close relationship between the annual trunk growth and the spring rainfall. Using a multivariate analysis it is shown that neither land removal or a change in the hydric accumulations affect the composition of the preexisting vegetation.micro-basins / site preparation / semiarid / Pinus halepensis / soil compensation Résumé -Effets de la préparation du terrain sur des micro-bassins dans des reboisements de Pinus halepensis Miller en conditions de climat semi-aride. Un reboisement avec du pin d'Alep a été réalisé en 1988 dans une région forestière de la chaîne de montagnes espagnole de Gâdor, Almeria. Cette opération a utilisé pour la première fois en Europe la technique de « la banquette de micro-bassins ». On peut comparer l'effet de cette technique avec celle des banquettes sans micro-bassins à l'adret ou à l'ubac de vallées sur la croissance des pins et sur la composition spécifique de la végétation. La hauteur moyenne des pins des parcelles à l'ubac était de 3,06 m avec microbassins et de 2,37 m sans micro-bassins. Dans les parcelles à l'adret, la hauteur moyenne était respectivement de 2,52 et de 1,61 m. Les différences sont également significatives pour les diamètres à l'ubac, soit 11,1 cm contre 8,5 cm respectivement avec et sans microbassins, et à l'adret 11,0 contre 7,0 cm. Les micro-bassins fournissent l'eau nécessaire à la banquette pour que la croissance annuelle des arbres ne soit pas dépendante des précipitations, même lors d'une année sèche. En revanche, il existe une corrélation entre l'accroissement annuel du tronc et les précipitations du printemps dans les parcelles sans micro-bassins. Les analyses multifactorielles ont montré que ni le terrassement ni le changement des flux hydriques ne modifient la composition spécifique de la végétation. micro-bassins / préparation du terrain / semi-aride / Pinus halepensis / compensation du sol

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Revegetation of Degraded Lands at U.S. Department of Energy and U.S. Department of Defense Installations: Strategies and Successes

Cited by 23 publications

References 1 publication

Ecological Factors Preventing Restoration of Degraded Short Tussock Landscapes in New Zealand’s Dryland Zone

Ecological Factors Preventing Restoration of Degraded Short Tussock Landscapes in New Zealand’s Dryland Zone

Closure Plan for the Area 3 Radioactive Waste Management Site at the Nevada Test Site

Effects of site preparation with micro-basins on Pinus halepensis Mill. afforestations in a semiarid ombroclimate

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