Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1080/15324980390229300 |
Long-term ecological monitoring | |
Havstad, KM; Herrick, JE | |
通讯作者 | Havstad, KM |
来源期刊 | ARID LAND RESEARCH AND MANAGEMENT
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ISSN | 1532-4982 |
出版年 | 2003 |
卷号 | 17期号:4页码:389-400 |
英文摘要 | The intent of long-term ecological monitoring is to document changes in important properties of biological communities. At the least, a long-term monitoring system should be designed to detect long-term trends in three key attributes: soil and site stability, hydrologic function, and the biotic integrity of the system. There are four basic guidelines for developing integrated soil-vegetation monitoring systems for rangelands. These are: (1) identifying a suite of indicators which are consistently correlated with the functional status of one or more critical ecosystem processes and/or properties; (2) selecting base indicators on site specific objectives and resource concerns, and inherent soil and site characteristics; (3) using spatial variability in developing and interpreting indicators to make them more representative of ecological processes; and (4) interpreting indicators in the context of an understanding of dynamic, nonlinear ecological processes. To the extent possible, indicators should reflect early changes in ecological processes and indicate that a more significant change is likely to occur. In addition to these guidelines, measurements included in long-term monitoring systems should be rapidly applied, simple to understand, inexpensive to use, and quantitatively repeatable. |
英文关键词 | indicators rangeland health biotic integrity resilience resistance |
类型 | Article ; Proceedings Paper |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E ; CPCI-S |
WOS记录号 | WOS:000185732900008 |
WOS关键词 | BIOLOGICAL SOIL CRUSTS ; CHIHUAHUAN DESERT ; WIND EROSION ; MANAGEMENT ; DESERTIFICATION ; ECOSYSTEMS ; GRASSLANDS ; RANGELANDS ; QUALITY ; MATTER |
WOS类目 | Environmental Sciences ; Soil Science |
WOS研究方向 | Environmental Sciences & Ecology ; Agriculture |
来源机构 | New Mexico State University |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/144135 |
作者单位 | (1)New Mexico State Univ, USDA ARS, Jornada Expt Range, Las Cruces, NM 88003 USA |
推荐引用方式 GB/T 7714 | Havstad, KM,Herrick, JE. Long-term ecological monitoring[J]. New Mexico State University,2003,17(4):389-400. |
APA | Havstad, KM,&Herrick, JE.(2003).Long-term ecological monitoring.ARID LAND RESEARCH AND MANAGEMENT,17(4),389-400. |
MLA | Havstad, KM,et al."Long-term ecological monitoring".ARID LAND RESEARCH AND MANAGEMENT 17.4(2003):389-400. |
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