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河道增养殖
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河道增养殖
Encyclopedia
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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key-process point of control
key recovery
key school system
keyseat reamer
Keyser
keysets
key sharing
key shelterbelt development program in the "Three North" region,the Yangtze River basin and other river basins
keys in conditional access system
key size
key space
key space entropy
key species
key state-owned forest state-owned forest regions
keystone
keystone ecosystem
keystone species
keystone species of aquatic community
key stream
keystroke-level model
Keystroke-logging
keystroke monitoring
key substation
key technologies of mobile communication
key technology research and development of large site protection
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