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The assessment of the environmental hazards posed by chemical pollutants typically results from single-species tests that are extrapolated to ecosyste...
Read moreWe still lack practical guidelines for diversifying cropping systems that consider both yield and regulating functions of agroecosystems. Recent studi...
Read moreCut-away peatlands devoid of vegetation form a persistent source of carbon (C) to the atmosphere. The restoration of the C sink function in such areas...
Read moreNet CO2 uptake over 24-h periods was determined in the field under various conditions. In Saltillo, Coahuila, Mexico, which is near the centre of dist...
Read moreThe loss of foundational but fire-intolerant perennials such as sagebrush due to increases in fire size and frequency in semi-arid regions has motivat...
Read moreInteractions between plants can be beneficial, detrimental or neutral. In agricultural systems, competition between crop and spontaneous vegetation is...
Read moreA low input, and hence low cost, approach to the establishment of vegetation on mine and coal ash wastes in semiarid regions is advocated and a specif...
Read moreUsing sugar-beet seedlings as phytometers, NAR, LAI and light intensity were measured at various levels in field-grown spring barley, winter wheat, sp...
Read moreRiparian trees regulate aquatic ecosystem processes, such as inputs of light, organic matter and nutrients, that can be altered dramatically when thes...
Read moreConventionally, agent host specificity has been the major concern in the selection of prospective agents for biological control of weeds. However, sub...
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