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1. Captive propagation can lead to phenotypic change in fish populations, but the broader community-level consequences of captive phenotypes remain la...
Read moreTwo cultivars of barley, one resistant and one susceptible to aphids, were grown in pots in mono- or mixed culture in the laboratory, and either infes...
Read moreThe structural dynamics of the growth of Betula pendula were examined using demographic techniques in which elements of the crown (buds, leaves, shoot...
Read moreThe dynamics of a virus disease in a perennial plant population are modelled. The population is divided into healthy, latently infected, infectious an...
Read moreOver the last century, the loss of around half of the world's wetlands, principally through drainage and conversion to agriculture, has been one of th...
Read moreSimple logistic regression models empirically derived in other fragmented landscapes (in the Netherlands and Italy) were explored for their ability to...
Read moreOrganic farms have been shown to harbour larger and more diverse invertebrate populations and associated ecosystem services compared to other conventi...
Read moreButterflies are one of the few insect groups that can be monitored effectively and have the potential to develop national and Europe-wide trends in ab...
Read moreA mathematical model of the dynamics of a virus disease in a perennial plant population was developed. The population was divided into healthy, latent...
Read moreThree successive generations of Spodoptera exempta (Wlk.) were observed on cereal crops and grasses at Salisbury Research Station, Rhodesia, during Ja...
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