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Criteria for selecting sites are described and the various sampling, rearing and identification techniques used to investigate field populations of Si...

Sparrowhawks (Accipiter nisus) found dead in eastern England showed a significant reduction in HEOD (organochlorine pesticide residues derived from al...

The distribution of oviposition sites of Simulium posticatum on the banks of the River Stour, UK, was studied in relation to a local medical problem c...

1. Customary harvests of wildlife underpin the livelihoods, cultural identities, well-being and ecological knowledge of many Indigenous peoples and lo...

The following is virtually the author's summary. The investigation described de-fines the limits of temperature and humidity beyond which the grain mi...

The following is virtually the authors' summary. A small static population of Schistocerca gregaria (Forsk.) confined to an area of Heliotropium aegyp...

Many parasites of medical and veterinary importance infect via free-living stages that undergo a period of development in the environment before seeki...

The following is based largely on the author's sumrnary. Scotch broom (Sara-thamnus scoparius) was introduced from Europe to the Pacific toast of Nort...

As biting lice (Mallophaga) pass their whole life on the host, they have little opportunity for dispersal, except during direct contact between host i...

Habitat loss and degradation of wetland ecosystems, principally through large-scale drainage and conversion to arable farmland, have been implicated i...