News tagged with larval populations
Researchers test biological ways to control alfalfa pest
May 01, 2009 |
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(PhysOrg.com) -- Cornell researchers are spending time in the fields this spring collecting 20,000 alfalfa snout beetles. They need them to test ways to biologically control the pests, which devour alfalfa ...
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Ag experts issue alfalfa weevil warming
Apr 11, 2007 |
2 / 5 (1) |
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U.S. agricultural experts expect the past several years of mild winters to increase the populations of many insect species, including alfalfa weevils.
Can Nemo Find His Way Home?
Biology /
May 03, 2007 |
4.7 / 5 (9) |
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The fate of ocean fish larvae has remained a mystery to science until now, but a University of Arkansas researcher and his colleagues have used a novel technique to directly explore their journey from egg ...
Researchers evaluate the effects of warm waters on little fish
Feb 20, 2006 |
4.2 / 5 (5) |
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Warm Caribbean waters may provide a toasty growing area for larval fish, but that's not enough to ensure a flourishing fish population.
New System Traces Origins of Marine Creatures
Biology /
Mar 22, 2007 |
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Tracing the origins of marine animals can be extremely difficult, especially in the free-flowing, soup-like conditions of the ocean, but obtaining this information is vital not only for understanding these ...
You don't call, you don't write: Connectivity in marine fish populations
Mar 25, 2009 |
5 / 5 (2) |
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Children of baby boomers aren't the only ones who have taken to setting up home far from where their parents live. A new study published this week in the Proceedings of the National Academy of Sciences documents how larval ...
Ocean temperature predicts spread of marine species
Space & Earth / Earth Sciences
Dec 26, 2006 |
2.8 / 5 (5) |
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Scientists can predict how the distance marine larvae travel varies with ocean temperature – a key component in conservation and management of fish, shellfish and other marine species – according to a new study from the University ...
There's no scent like home
Biology /
Jan 08, 2007 |
3.7 / 5 (3) |
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Tiny larval fish living among Australia's Great Barrier Reef spend the early days of their lives swept up in ocean currents that disperse them far from their places of birth. Given such a life history, one might assume that ...
GM crops protect neighbors from pests
Biology /
Sep 18, 2008 |
3 / 5 (2) |
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A study in northern China indicates that genetically modified cotton, altered to express the insecticide, Bt, not only reduces pest populations among those crops, but also reduces pests among other nearby crops that have ...
Parasites might spur evolution of strange amphibian breeding habits
Biology /
Nov 14, 2007 |
4.8 / 5 (6) |
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Parasites can decimate amphibian populations, but one University of Georgia researcher believes they might also play a role in spurring the evolution of new and sometimes bizarre breeding strategies.
Ocean Data Confirms Fishing Puts Targeted Species in 'Double Jeopardy'
Oct 18, 2006 |
4.1 / 5 (7) |
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For the first time, a research study has shown that fishing can promote boom and bust swings in supplies of targeted fish stocks. The study, authored by scientists at Scripps Institution of Oceanography at UC San Diego, the ...
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