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predacity    
n. 食肉性

食肉性


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  • Agriculture and the Quality of the Nations Waters
    Intensive studies by the USGS National Water-Quality Assessment (NAWQA) Project in agricultural areas provide insight into how agricultural activities have altered the natural flow of water and the way that agricultural chemicals enter streams and aquifers, and in particular how nutrients affect algal and invertebrate communities in agricultural streams
  • UN land report: Five key takeaways for climate change, food . . .
    Much of these emissions are the result of deforestation and other land-use change According to the report, 80% of global deforestation is caused by agriculture, which also accounts for 70% of the world’s freshwater use Thus far, regulations have not been sufficient to protect ecosystems from agricultural expansion, the report says
  • A new dataset of global irrigation areas from 2001 to 2015
    About 40% of global crop production takes place on irrigated land, which accounts for approximately 20% of the global farmland The great majority of freshwater consumption by human societies is associated with irrigation, which contributes to a major modification of the global water cycle by enhancing evapotranspiration and reducing surface and groundwater runoff
  • Industrial sector energy consumption
    economy that is slightly less dependent on agricultural and mined natural resources—two of the three nonmanufacturing industries A move away from resource-based or agriculture-based national output, which has long been observed in the developed economies, is anticipated in the long-term outlook for the world’s emerging economies
  • GLOBAL AGRICULTURAL LOSSES AND THEIR CAUSES - ResearchGate
    Major abiotic factors causing agricultural losses c) Soil erosion According to Ellison (1944), erosion is the process by which erosive agents separate and move soil particles
  • WATCH LIVE: Senate Committee on Commerce holds hearing on . . .
    WATCH LIVE: Senate Committee on Commerce holds hearing on modernizing the rail system
  • Improving agricultural water productivity to ensure food . . .
    Water productivity potential can be improved through three major pathways: (1) to select drought-tolerant and water-saving varieties to increase crop generic yield potential while reducing water consumption; (2) to adopt appropriate agronomic measures, irrigation technologies, and other management practices for achieving higher yield with low





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