Knowledge Resource Center for Ecological Environment in Arid Area
SOIL LOOSENING PROCESSES FOLLOWING THE ABANDONMENT OF 2 ARID WESTERN NEVADA TOWNSITES | |
KNAPP, PA | |
通讯作者 | KNAPP, PA |
来源期刊 | GREAT BASIN NATURALIST
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ISSN | 0017-3614 |
出版年 | 1992 |
卷号 | 52期号:2页码:149-154 |
英文摘要 | Soil compaction was measured at four sites within two abandoned mining camps in the western Great Basin Desert, Nevada. Bulk density and macroporosity values were generated from soil samples collected in areas of different land use intensities in camps that had been abandoned for approximately 70 years. Results show that significant differences remain in bulk density values between abandoned roads and undisturbed areas in both towns, and that the areas around foundation peripheries are still significantly more compacted in one town. There were no significant differences between land use groups as measured by macroporosity. Estimated soil recovery, based on a linear model using bulk density values, suggests that approximately 100 to 130 years are necessary for complete loosening to occur for abandoned roads, and that 100 or fewer years are necessary for complete amelioration of the foundation periphery areas. The wetter townsite, with more freeze-thaw days finer-grained soils, and greater plant cover, had shorter recovery estimates. These findings suggest that the results of human-use impacts in arid areas may still be apparent long after disturbances cease. |
英文关键词 | SOIL RECOVERY SOIL COMPACTION ARID LANDS GREAT BASIN DESERT GHOST TOWNS |
类型 | Article |
语种 | 英语 |
收录类别 | SCI-E |
WOS记录号 | WOS:A1992JP56400006 |
WOS类目 | Ecology |
WOS研究方向 | Environmental Sciences & Ecology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/127670 |
推荐引用方式 GB/T 7714 | KNAPP, PA. SOIL LOOSENING PROCESSES FOLLOWING THE ABANDONMENT OF 2 ARID WESTERN NEVADA TOWNSITES[J],1992,52(2):149-154. |
APA | KNAPP, PA.(1992).SOIL LOOSENING PROCESSES FOLLOWING THE ABANDONMENT OF 2 ARID WESTERN NEVADA TOWNSITES.GREAT BASIN NATURALIST,52(2),149-154. |
MLA | KNAPP, PA."SOIL LOOSENING PROCESSES FOLLOWING THE ABANDONMENT OF 2 ARID WESTERN NEVADA TOWNSITES".GREAT BASIN NATURALIST 52.2(1992):149-154. |
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