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Evidence-based conservation can benefit substantially from multiple knowledge sources and different knowledge systems. While traditional ecological kn...
Read moreP. ponderosa was grown as widely-spaced trees in a hexazinone-treated monoculture and in mixture with the grass Calamagrostis rubescens for 4 growing ...
Read moreThree genotypes of alfalfa [lucerne] (Medicago sativa) plants (parental, transgenic α-amylase-producing and transgenic lignin peroxidase-producing) we...
Read moreDuring their spring stop-offs in Lake St. Peter, which averaged 32 days (1974-5), migrating Canada geese (Branta canadensis) flew twice daily to feed ...
Read moreThe epiphytic vegetation of 60 stems of aspen (Populus tremula) was studied in a 16-ha forest area near Uppsala, Sweden. The cover of bryophytes and o...
Read moreSheep were grazed at a high stocking rate for a few days 3 times each summer in a Sitka spruce plantation in Co. Antrim from 1970 to 1974 (7th to 11th...
Read moreCattle urine, labelled with 15N urea, was applied in August 1987 at a rate equivalent to 74 g N/m2 to a series of confined microplots, at Hurley, UK, ...
Read moreNitrogen (N) loss from agricultural fields and urban areas to stream and groundwaters is a world-wide environmental problem. Excessive nitrogen loadin...
Read moreIceland has vast areas of mobile sand resulting from volcanic glacier bursts and erosion. Seeds of the coastal, dune-building grass Leymus arenarius a...
Read moreIn field trials at Kjettslinge near Uppsala in 1980-85, annual C and N budgets were calculated for the following systems: (a) barley without fertilize...
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