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单词 spat fall
释义

> as lemmas

spat fall
spat fall n. (also spatfall) the settling of the planktonic larvæ of bivalves at the sites where they will develop as adults; the extent of such settling.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Pelecypoda or Conchifera > [noun] > bivalves > settling of larvae of
spat fall1925
1925 Nature 26 Sept. 486/2 The spat falls in the three years 1922–24 were failures.
1963 Washington Post 2 Oct. b2 The 1963 fall of spat (young oysters) in the James River seed area has been inadequate to maintain seed stocks for the third successive year. This contrasts sharply with the above average spatfall throughout the rest of Virginia's Chesapeake Bay system.
1972 Aquaculture 1 258 The possibility of spatfalls must be recognized if the harbour were heavily stocked with this species.
extracted from spatn.1
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as lemmas
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更新时间:2024/9/20 23:19:59