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The feral pigeon (Columba livia) is a globally commensal bird that can cause dis-amenities such as soiling and is a potential vector of various diseas...

Exposure to extreme temperatures can negatively affect animal reproduction, by disrupting the ability of individuals to produce any offspring (fertili...

Nutrient availability varies widely in aquatic systems and is likely to profoundly affect the outcomes of plant-herbivore interactions in aquatic envi...

Sexual reproduction in 9 clones of Eichhornia crassipes from different parts of the world was examined in the glasshouse. Eight of the clones flowered...

An assumption of the quotient method, a risk assessment methodology, was tested by determining if demographic responses of Microtus canicaudus to 5 ap...

Agrostemma githago and spring wheat cv. Sicco were sown in monocultures and 1:1 mixtures at overall densities of 16, 40, 120, 400 and 1200 plants/m² i...

The demography of the annual grass weed A. sterilis subsp. ludoviciana was studied during 3 consecutive years on populations growing in winter wheat c...

The uptake patterns of cadmium and copper by Aphis fabae from its food plant, Vicia faba, grown under control and elevated metal treatments, were comp...

To estimate the efficiency of foraging strategy, the rates of food intake of adult giraffe in the Serengeti National Park are assessed. Daily energy i...

Although invasive species are major topics of research, little consideration has been given to the implications of introducing non-native subspecies o...