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 6,719 results
Populations were collected from twelve sites in Switzerland and Italy. Tetraploids occurred in grassland at high altitudes but in woodlands down to 11...
Read moreThere have been air pollution problems in Britain for several centuries. The nature of such problems has changed: intense local smoke pollution has be...
Read moreAtmospheric pollution in China is mainly caused by human activities such as urbanization and industrialization. Such activities have increased in the ...
Read moreBecause of early industrialization, Western Europe has a large legacy of wasteland produced by mining and industry. Most of this is close to centres o...
Read morePresent land use in China is described. Problems include: desertification; erosion; salinization; underdeveloped land; and mining dereliction. Remedia...
Read morePost-war agriculture in Britain and the EEC, facilitated by new technology and state support, has been very successful in increasing food supplies to ...
Read moreThe great changes in Chinese agriculture during the past 10 years have been accompanied by significant deterioration of the rural environment. Among t...
Read moreConservation in the United Kingdom is divided between government organizations, and non-government organizations. Four areas of achievement are descri...
Read moreFour phases are recognized in the history of nature conservation in China; in the first phase, there was a gradual loss of biotic diversity and reduct...
Read moreIn Britain, man's alteration to river habitats began with forest clearances and continued with developments for water power and navigation. Industrial...
Read more