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河道增养殖
释义
河道增养殖
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农学
河道增养殖
释
river aquaculture
河道增养殖
在河道沟渠采用繁殖保护、人工放流和改善水域环境等措施来提高水产资源的数量和质量的过程。是保证水产资源再生产的稳定和持续增长,提高渔业生产的经济效益的重要途径。包括增殖和养殖两个方面。又称河道沟渠增养殖、河沟增养殖、外荡增养殖等。
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quantities and units for ionizing radiation
quantities and units for radiation protection
quantities and units in dosimetry
quantities and units in radioactivitiy
quantities of capital construction
quantity
quantity attribute
quantity dimension
quantity evaluation of model products
quantity flexibility contract
quantity geography
quantity light
quantity of crime
quantity of fluid flow
quantity of heat
quantity of human resources
quantity of information
quantity of memory
quantity of pollutant reduced
quantity of printing
quantity of the same kind
quantity regulation
quantity theory of money
quantity variance
quantizable
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