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a journal which gives abstracts or summaries of scientific papers, books, theses, etc. published elsewhere.
degree of plentifulness. The total number of fish in a population, stock, other group or on a fishing ground. Can be measured …
data obtained from samples or observations and used as a measure of the weight or number of fish which make up a stock, a …
water below 4000 metres or 2000 fathoms (= 3660 metres), down to 6000 metres, where light does not penetrate. Occasionally …
adjective for abyss.
pertaining to the ocean floor below 400-600 fathoms (730-1100 metres).
see abyssal for oceans; in fresh water it may mean the maximum depth or the depth at which water temperature remains uniform.
the area of the generally flat ocean floor excluding ocean trenches below 2000 fathoms (3660 metres, presumably an older …