Search
All content is free for everyone to browse, read and share. You’ll find journal articles and non-peer reviewed grey literature. Type keywords into the search box or Use the filtering options below to browse the content.
Showing 190 results
Residues of DDE in kestrel eggs collected near Ithaca, New York, averaged 35, 42, 33 and 37 p.p.m. in 1969, 1970, 1971 and 1972, respectively. Based o...
Read moreSummary only. Chloride content of the soils and groundwater was very high and varied in different parts of the swamp but each profile showed little se...
Read moreThe following is virtually the author's summary. Since 1950, egg breakage has occurred with unprecedented frequency in the nests of peregrines (Falco ...
Read moreClimate change encompasses changes in both the means and the extremes of climatic variables, but the population consequences of the latter are intrins...
Read moreThe following is virtually the author's summary. The investigation described de-fines the limits of temperature and humidity beyond which the grain mi...
Read moreIn this study, various methods were done to understand what factors affect both saiga and livestock health in Ural, Kazakhstan. Parasite egg count in ...
Read moreWater extraction from arid-zone rivers increases the time between floods across their floodplain wetlands. Less frequent flooding in Australian arid-z...
Read moreRadiation can reduce antioxidant levels dramatically because of the use of antioxidants to eliminate free radicals produced in the presence of radiati...
Read moreIntroduced predators are a major threat to island avifaunas world-wide. In the Western Isles of Scotland, recently introduced hedgehogs Erinaceus euro...
Read moreNative insect flower visitors can be important contributors to crop pollination, yet little is known of their pollination abilities and the resources ...
Read more