Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/5307941 |
| 报告编号 | DOE/EV/4018-4 |
| 来源ID | OSTI_ID: 5307941 |
| Reclamation studies on oil shale lands in northwestern Colorado | |
| Cook, C.W.; Redente, E.F. | |
| 英文摘要 | The overall objective of this project is to study the effects of various reclamation practices on above- and belowground ecosystem development associated with disturbed oil shale lands in northwestern Colorado. Plant growth media that are being used in field test plots include retorted shale, soil over retorted shale, subsoil materials, and surface disturbed topsoils. Some of the more significant results are: (1) a soil cover of at least 61 cm in conjunction with a capiallary barrier provided the best combination of treatments for the establishment of vegetation and a functional microbial community, (2) aboveground production values for native and introduced species mixtures are comparable after three growing seasons, (3) cover values for native species mixtures are generally greater than for introduced species, (4) native seed mixtures, in general, allow greater invasion to occur, (5) sewage sludge at relatively low rates appears to provide the most beneficial overall effect on plant growth, (6) cultural practices, such as irrigated and mulching have significant effects on both above- and belowground ecosystem development, (7) topsoil storage after 1.5 years does not appear to significantly affect general microbial activities but does reduce the mycorrhizal infection potential of the soil at shallow depths, (8) populations of mycorrhizal fungi are decreased on severely disturbed soils if a cover of vegetation is not established, (9) significant biological differences among ecotypes of important shrub species have been identified, (10) a vegetation model is outlined which upon completion will enable the reclamation specialist to predict the plant species combinations best adapted to specific reclamation sites, and (11) synthetic strains of two important grass species are close to development which will provide superior plant materials for reclamation in the West. |
| 出版年 | 1980 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 04 OIL SHALES AND TAR SANDS ; 54 ENVIRONMENTAL SCIENCES ; COLORADO ; LAND RECLAMATION ; RESEARCH PROGRAMS ; REVEGETATION ; OIL SHALE INDUSTRY ; BIOMASS ; CULTIVATION TECHNIQUES ; DATA COMPILATION ; DEPTH ; FERTILIZERS ; GRAPHS ; GRASS ; GROWTH ; IRRIGATION ; MYCORRHIZAS ; PLANTS ; SEEDS ; SEWAGE SLUDGE ; SOILS ; SPENT SHALES ; TABLES ; DATA ; DATA FORMS ; DIMENSIONS ; ENERGY SOURCES ; INDUSTRY ; INFORMATION ; NORTH AMERICA ; NUMERICAL DATA ; RENEWABLE ENERGY SOURCES ; ROCKS ; ROCKY MOUNTAIN REGION ; SEDIMENTARY ROCKS ; SEWAGE ; SHALES ; USA ; WASTES 041000* -- Oil Shales & Tar Sands-- Environmental Aspects ; 510500 -- Environment, Terrestrial-- Site Resource & Use Studies-- (-1989) |
| URL | http://www.osti.gov/scitech/servlets/purl/5307941 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/262579 |
| 推荐引用方式 GB/T 7714 | Cook, C.W.,Redente, E.F.. Reclamation studies on oil shale lands in northwestern Colorado,1980. |
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