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Soil characteristics and vegetation were studied in vehicle tracks and adjacent undisturbed tundra along local moisture gradients at four sites in nor...

A mathematical model for simulating the population dynamics of Avena sterilis subsp. ludoviciana was constructed using previously reported data. The m...

Effects of goose faeces on salt marsh vegetation at La Pérouse Bay, Manitoba together with the processes of faecal decay, were studied in order to det...

An artificial nest incorporating an automated weighing device, suitable for chick growth studies on some species of seabirds, is described. The operat...

There is urgency in optimizing agricultural production in light of climate uncertainty, human population growth and resource limitations. The rhizosph...

The nets used in bottom trawl fisheries cause mortality of benthic invertebrates and this can decrease the long-term availability of prey to exploited...

The phenology and growth chracteristics of U. dioica are considered in relation to the successful exploitation of the plant in E. Anglia by several He...

Recent reports on bee health suggest that sublethal doses of pesticides have negative effects on wild bee reproduction and ultimately on their populat...

Because cyst-nematode populations are relatively static, immigration and emigration are negligible and population fluctuations under different crops c...

Twenty-one agronomic varieties and local populations of D. glomerata ssp. euglomerata and two of ssp. lusitanica from a wide range of habitats were st...