The Threat and Cascade Method of estuarine health assessment: a logical sequence from human impact to biological degradation via system physics and chemistry by Stevens, Victoria

“…The socio-economic algorithm incorporates the following variables: land cover, population density, per capita wealth, state of the estuarine mouth, abstracted mean annual runoff, encroachment of development, estuary use, and sewerage input. …”
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Understanding predation of tortoises by nesting Pied Crows (Corvus albus) in western South Africa by Durà i Franch, Carles

“…Environmental variables examined included weather variables, land cover types, distances to roads and primary productivity values, and for a subset of nests the abundance of tortoises counted from transects. …”
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Historical gully erosion growth in the Lower Thina Catchment, Eastern Cape

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Resource scarcity and social identity in the political conflicts in Burundi by Jengo, Elisabeth Naito

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