Sentences with phrase «during spawning season»

Coastal brown bears are the largest of the grizzlies, growing big off of abundant protein sources like salmon caught in rivers during spawning season.
Knowledge is particularly limited during the spawning season in winter due to the inherent difficulty of sampling fish under the ice cover (Mueller et al. 2006).
But the levels of contamination remaining in the water during the spawning season immediately after the spill were lower than the limits known to cause abnormalities in fish.
There is one very small one, the Luminescent Threadworm, Odontosyllis enopla, that is seen best during spawning season when they are very actively bioluminescing.
The salmon will be returned to Redwood Creek during spawning season, which lasts from mid-November to February, but only after ultrasounds demonstrate they are biologically ready to reproduce.
With the prolificacy of traditional publishing, and indie publishing (an unending tsunami of content in Bob's words), being published today is akin to the lone salmon going downstream against the horny hoards during spawning season.
In other words they coexisted, except for two brief periods: in June, when the ice broke, and during the spawning season in autumn.
The coral atlas, for all its beautiful color, was not nearly so vivid as the European Union's decision last February to close a fifth of the North Sea to cod fishing during the spawning season; that hit the British right in their fish and chips.
Rather than just one «Lake Constance stickleback,» the researchers found two different forms — typical of the lake and of inflowing streams — even though lake stickleback migrate into these streams during the spawning season.
Most importantly it appeared in large masses during the spawning season of anchovies, one of the most important commercial fish in the region.
«Despite a recent national fishery closure during the spawning season, our research suggests that aggregations continue to be overfished.
Ideally when wild larvae are used, it is by a passive capture system, such as where coastal lagoons are opened for entry of larvae during the spawning season and closed for the remainder of the production cycle.

Not exact matches

But in the past, such drought - spawning events actually occurred during the monsoon season; «the drought peaks at the time when normally this area is receiving its maximum month of rainfall,» Abrams says.
For centuries fishermen have worried that too few fish spawn during breeding season, leading to longstanding rules limiting minimum length.
Scientists reviewed data on measured oil concentrations in surface water samples collected in Prince William Sound after the oil spill and during the 1989 herring spawning season.
The magnificent Whale Sharks (Rhincodon typus) make an appearance during April, May, and June each year in the Placencia area during the annual snapper spawning season.
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