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单词 standing crop
释义

Definition of standing crop in English:

standing crop

noun
  • 1A growing crop, especially of a cereal.

    生长的作物(尤指谷物)

    we have to avoid livestock and standing crops
    Example sentencesExamples
    • Before tax was levied on the harvested crop, the land was surveyed and the standing crop was measured.
    • Crop circles are areas of standing crops that have been flattened in the shape of a circle, or more complex designs
    • Some have managed to take an interest in their land and make it productive, but many have simply reaped the standing crop and then left the land derelict.
    • The standing crop in the farms destroyed or looted.
    • Ridges are usually reformed yearly by cultivation of the standing crop in June.
  • 2Ecology
    The total biomass of an ecosystem or any of its components at a given time.

    〔生态〕(某个生态系统或生态系统中的组成部分的)总生物量

    the low standing crop of phytoplankton in oceanic areas
    Example sentencesExamples
    • The early downward drift of carbon dioxide levels may be explained as the gradual accumulation of a standing crop of plant biomass in and around fresh waters and tidal regions.
    • Goslings of colonial nesting species often travel considerable distances to feeding areas with relatively higher standing crops of forage.
    • Low water temperatures in early spring also result in lower standing crops of macro-invertebrates in prairie wetlands than after conditions become more moderate.
    • Grasshoppers are the dominant invertebrate herbivores in this field, comprising 75-85% of total herbivore live standing crop.
    • Importance of grazing as a cause of spatial variation in food abundance is further supported by substantially greater removal of vegetation by geese in areas with lowest standing crops.

Definition of standing crop in US English:

standing crop

noun
  • 1A growing crop, especially of a grain.

    生长的作物(尤指谷物)

    Example sentencesExamples
    • Crop circles are areas of standing crops that have been flattened in the shape of a circle, or more complex designs
    • Before tax was levied on the harvested crop, the land was surveyed and the standing crop was measured.
    • The standing crop in the farms destroyed or looted.
    • Some have managed to take an interest in their land and make it productive, but many have simply reaped the standing crop and then left the land derelict.
    • Ridges are usually reformed yearly by cultivation of the standing crop in June.
    1. 1.1Ecology The total biomass of an ecosystem or any of its components at a given time.
      〔生态〕(某个生态系统或生态系统中的组成部分的)总生物量
      Example sentencesExamples
      • The early downward drift of carbon dioxide levels may be explained as the gradual accumulation of a standing crop of plant biomass in and around fresh waters and tidal regions.
      • Low water temperatures in early spring also result in lower standing crops of macro-invertebrates in prairie wetlands than after conditions become more moderate.
      • Grasshoppers are the dominant invertebrate herbivores in this field, comprising 75-85% of total herbivore live standing crop.
      • Goslings of colonial nesting species often travel considerable distances to feeding areas with relatively higher standing crops of forage.
      • Importance of grazing as a cause of spatial variation in food abundance is further supported by substantially greater removal of vegetation by geese in areas with lowest standing crops.
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更新时间:2024/9/21 11:20:58