Offered Papers Theme B: Grassland and the Environment

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Publication Date

2005

Location

Dublin Ireland

Description

Early warning systems that depend on the selection of suitable indicators of thresholds are useful (Friedel, 1991). An ideal indicator should be unbiased, sensitive to changes, predictive, referenced to threshold values, data transformable, integrative and easy to collect and communicate (Liverman et al., 1988). Methods for selection of indicators for assessing ecosystem health are being developed (Pyke et al., 2002). This paper examines the situation in grassland vegetation grazed by sheep in a semi arid region of northeastern Iran.

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The Use of Ecological Indicators in Studies of Ecological Recovery for Sustainable Management of Grazed Grassland Ecosystems

Dublin Ireland

Early warning systems that depend on the selection of suitable indicators of thresholds are useful (Friedel, 1991). An ideal indicator should be unbiased, sensitive to changes, predictive, referenced to threshold values, data transformable, integrative and easy to collect and communicate (Liverman et al., 1988). Methods for selection of indicators for assessing ecosystem health are being developed (Pyke et al., 2002). This paper examines the situation in grassland vegetation grazed by sheep in a semi arid region of northeastern Iran.