This thesis adds to the literature on non-market valuation of agricultural externalities in rivers and streams. The thesis is a combination of three empirical articles; each article focuses on a particular practical element ...

Field studies at the Welsh Plant Breeding Station, Aberystwyth were designed to evaluate the responses of diploid and tetraploid representatives from early and late flowering groups of red clover, to various autumn defoliation ...

Society is increasingly calling for organisations to demonstrate corporate social responsibility (CSR). To fulfil this demand, organisations need to be accountable, democratic and transparent to their stakeholders. This ...

Over the last 30 years, Latrodectus katipo Powell 1870 and L. atritus Urquhart 1890 numbers have declined and these species are now absent from many dune systems where they were once common. The cause of the decline in ...

Since the inception of invasion ecology as a modern field of research, there have been numerous attempts to establish why and how some species become invasive. To date, research emphasis has been almost entirely on exotic ...

Recently, New Zealand's wine industry has made remarkable progress. For example, the number of hectares planted in grapes increased from 4,880 in 1990, to 15,479 in 2003, and the number of wineries increased from 175 in ...

Preliminary research has shown that chickpea has the potential to be a high yielding crop. However, like most grain legumes, the problem of harvest index variability in chickpeas hinders the realisation of their full ...