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A mathematical model of the dynamics of a virus disease in a perennial plant population was developed. The population was divided into healthy, latent...

The rate of increase of Erysiphe graminis f. sp. hordei, in the stands grown in small field plots, was directly related to the proportion of barley in...

Different pressures often co-occur in rivers and act simultaneously on important processes and variables. This complicates the diagnosis of hydromorph...

Resource management agencies are often charged with managing natural resources for economic and social goals, while also protecting and conserving bio...

Governmental authorities in many countries financially support the implementation of habitat connectivity measures to enhance the exchange of individu...

Facilitating adaptive responses of organisms in modified landscape will be essential to overcome the negative effects of climate change and its intera...

The effect of copper sulphate as an algicide is reviewed briefly. In experiments in which Anabaena flos-aquae and Scenedesmus quadricauda were exposed...

Barley, Sinapis alba and Papaver rhoeas, and then barley, S. alba and Avena fatua were grown in pure stand and in mixtures of 2 and 3 species at diffe...

See also W.A. 21, 1371. The interference between wheat and 3 edaphic ecotypes of Cynodon dactylon (naturally occurring at Chandigarh, Shiwalik and Mal...

Logged Picea mariana-dominated stands in NE Ontario were surveyed to examine patterns of vegetation colonization and the extent of successional return...