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Atrazine-resistant or -susceptible biotypes of Senecio vulgaris and Amaranthus retroflexus were compared with regard to DM production, resource alloca...
Read moreBulk density and soil penetration resistance was linearly related to the log of the number of passages of a car, up to 256 passages, and of walkers, u...
Read more[See FA 43, 540] At 3 interior sites in British Columbia, seed predation was directly related to the densities of small mammals, mainly deer mice (Per...
Read moreReproductive behaviour was recorded in 23 populations of D. glomerata grown under uniform field conditions. In most populations some plants headed in ...
Read moreLichens are sensitive to pollution and have therefore been used as air quality indicators. While the distribution of lichens within cities may reflect...
Read moreThe reasons behind the recent trend in the EU for environmental objectives to be incorporated into agriculture policy are reviewed. Environmental paym...
Read moreDiversification of fisheries and agroecosystems can increase and stabilize production and revenue, despite unpredictable changes in ecosystems and mar...
Read moreDeterministic models predict that susceptible-infective-susceptible (SIS) disease, where there is no immunity to reinfection following recovery, will ...
Read moreHarvest models are often built to explore the sustainability of the dynamics of exploited populations and to help evaluate hunting management scenario...
Read moreThis manual provides information for planners, developers, managers and decision makers involved with tourism development and resource management in a...
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