搜索结果: 1-3 共查到“人口社会学 water”相关记录3条 . 查询时间(0.234 秒)
New grants foster research on food,energy and water: a linked system
New grants foster research food energy water linked system
2015/9/9
In a world where a growing number of people lack food, water and sources of energy, providing these resources has become a challenge.To find new answers, the National Science Foundation (NSF) has fund...
Population regulation of the spiny water flea (Bythotrephes longimanus) in a reservoir: Implications for invasion
Population regulation water flea Implications for invasion
2014/4/4
We conducted a 3-yr study of the population dynamics of the invasive cladoceran Bythotrephes longimanus in
Island Lake Reservoir (Minnesota) and compared our results to other human-constructed reserv...
Population decline and infrastructure:The case of the German water supply system
Population decline German water supply system
2009/3/11
The dynamic interaction between population and water is usually discussed in the context of development issues in Third World countries, but rarely analysed for northern, industrialised countries. Nev...