After leaving the fish alone for a week, Rory placed the red Logo block in the tank again.

将鱼单独放置一周后，罗里再次将红色标志块放入鱼缸中。

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Although o 'dor made the announcement, this new information actually comes from unpublished research by Barbara Block of Stanford University, who has been tagging and tracking the giant fish.

但o ' Dor声明，这个判断实际上来自于斯坦福大学Barbara Block主持的一项尚未公布于众的研究，她一直在对大白鲨的踪迹进行电子监测。

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These fish excrete nitrates that develop plankton, the enemy of corals as they make the sea water murky and block sunlight which is an essential in GREdient for coral survival.

这些鱼儿排泄出的硝酸钾能够促进浮游生物的生长，而浮游生物是珊瑚的天敌，因为它们会使海水变得昏暗，并阻挡珊瑚赖以生存的基本因素——阳光。

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But fisheries experts say plans by Cambodia,Laos and Thailand to build hydropower dams on the Mekong would block fish migration, threatening already endangered species.

VOA: standard.2010.01.11

In a cover letter, NMFS regional administrator John Bullard cautioned that the study applies only to the way the Indian Point reactors currently operate, using the screens to block fish from being drawn into the plant with the millions of gallons of river water used for cooling.

WSJ: Feds: Relatively few fish die if NY nukes continue

The Association of Salmon Fishery Boards has called the project "recklessly irresponsible" and asked ministers to block further releases until the impact on fish stocks can be assessed.

BBC: Beavers arrive for spring release

This is the fourth round of negotiations for a new agreement for the management of shared fish stocks in the waters between the European Union countries and Norway, but one potentially stumbling block will be mackerel quotas.

BBC: EU-Norway fishing talks under way in Ireland