In ecology news: bicentenarian rockfish, floating tuna attractors, death tangles for silky sharks
Jul05

In ecology news: bicentenarian rockfish, floating tuna attractors, death tangles for silky sharks

THIS STORY about a man and fish (a shortraker rockfish, Sebastes borealis) started as a little local news spot in the Daily Sitka Sentinel in late June – man catches record-breaking 39.08-pound rockfish! Could be 200 years old! [Update 7/8/2013 -- The Alaska Dispatch reported Friday that Alaska Fish and Game determined the fish was only 64 years old. -- Thanks to Benjamin Walther for the tip.] It suddenly blew up into a wide-release...

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Managing water with natural infrastructure: win-wins for people and wildlife

By Terence Houston, Science Policy Analyst The US Senate is moving forward with a new Water Resources Development Act, a comprehensive bill that authorizes funding for Army Corps of Engineers projects related to flood management, environmental restoration and other water resources infrastructure issues. The bipartisan legislation (S. 601) is sponsored by Senate Environment and Public Works Committee Chairwoman Barbara Boxer (D-CA) and...

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Looking to large tributaries for conservation gains

By Liza Lester, ESA communications officer Mississippi River Basin. Green tributaries have sufficient flow for large-river specialist fishes, and long stretches unobstructed by obstacles of civilization. Blue tributaries fall below a critical flow threshold. Yellow tributaries discharge enough water, but are blocked by dams. On big rivers like the Mississippi, the infrastructure of modern civilization – dams, locks, dikes, power...

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Depression-era drainage ditches emerge as sleeping threat to Cape Cod salt marshes
Jan24

Depression-era drainage ditches emerge as sleeping threat to Cape Cod salt marshes

Contemporary recreational fishing combines with old WPA project to hasten marsh die-off By Liza Lester, ESA communications officer   CAPE Cod, Massachusetts has a problem. The iconic salt marshes of the famous summer retreat are melting away at the edges, dying back from the most popular recreational areas. The erosion is a consequence of an unexpected synergy between recreational over-fishing and Great Depression-era ditches...

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A yellow perch in murky water

Big fish, little fish, hump-shaped foraging curves, and the landscape of fear. by Liza Lester, ESA communications officer IN LIFE, much depends on context. The benefits accruing from the pursuit of liberty, lunch, and other forms of happiness, are tempered by the presence of risk. This is as true for small fishes as for anyone. In Lake Erie, young yellow perch (Perca flavescens) forage for the grab-bag category of microscopic,...

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