Arid
DOI10.1080/15324980390229300
Long-term ecological monitoring
Havstad, KM; Herrick, JE
通讯作者Havstad, KM
来源期刊ARID LAND RESEARCH AND MANAGEMENT
ISSN1532-4982
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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