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Mass extinction of land and sea biodiversity 250 million years ago not simultaneous（图）
Mass extinction land sea biodiversity 250 million years ago simultaneous
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2019/12/13
Some 250 million years ago, simultaneous mass extinctions of marine and terrestrial life occurred in an event known as the End-Permian. Or so scientists believed.New research led by Colby College geol...
Antarctic ice cliffs may not contribute to ice-sheet instability as much as predicted（图）
Antarctic ice cliff contribute ice-sheet instability
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2019/11/5
Antarctica's ice sheet spans close to twice the area of the contiguous United States. Its land boundary is buttressed by massive, floating ice shelves extending hundreds of miles out over the frigid w...
Mass Extinctions Remove Species But Not Ecological Variety（图）
Mass Extinctions Remove Species Ecological Variety
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2018/1/31
Sixty-five million years ago, clouds of ash choked the skies over Earth. Dinosaurs, along with about half of all the species on Earth, staggered and died.
But in the seas, a colorful population of ma...
Is the coast clear?Not in many beachfront areas
coast clear beachfront areas
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2017/7/25
For nearly a century, the O'Shaughnessy seawall has held back the sand and seas of San Francisco's Ocean Beach. At work even longer: the Galveston seawall, built after America's deadliest hurricane ki...
Humans,not climate change,wiped out Australian megafauna
Humans not climate change wiped out Australian megafauna
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2017/2/16
New evidence involving the ancient poop of some of the huge and astonishing creatures that once roamed Australia indicates the primary cause of their extinction around 45,000 years ago was likely a re...
All males are not created equal: Fertility differences depend on gamete recognition polymorphisms in sea urchins
created equal gamete recognition polymorphisms
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2015/12/17
Behaviors, morphologies, and genetic loci directly involved in
reproduction have been increasingly shown to be polymorphic
within populations. Explaining how such variants are maintained
by selecti...
GC Thoughts (Recollections, Not Necessarily Accurate)
GC Thoughts
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2015/7/24
I learned about the Glomar Challenger while an undergraduate at Oberlin College. Helen Forman, the wife of the late chair of the department, sailed on the ship several times as a radiolarian specialis...
In Review—NOT (with an exception)
In Review NOT
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2015/7/22
If you have ever published in Oceanography, you are well aware of how fussy we are about properly referencing sources. These standards are one reason why Oceanography is now included in the Web of Sci...
Marsh Collapse Does Not Require Sea Level Rise
Require Sea Level Rise Marsh Collapse
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2015/7/16
Salt marshes are among the most productive ecosystems on Earth, providing nurseries for fish species and shelter and food for endangered birds. Salt marshes also mitigate the impacts of hurricanes and...
Our Tent is Getting Fuller, But It's Not Crowded Yet
Not Crowded Yet Getting Fuller
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2015/7/3
Several articles in this issue of Oceanography illustrate the need for our community to devise mechanisms for translating the results of scientific research into sound public policy. Traditionally, ou...
Blue mussels not yet the bellwether of NE coastal environment
Blue mussels not yet the bellwether NE coastal environment
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2015/3/4
Mussels could be the perfect ‘sentinel’ species to signal the health of coastal ecosystems. But a new study of blue mussels in estuary ecosystems along 600 kilometers of coastline in the Northeast unc...
Graphene not all good
Graphene not all good
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2014/5/13
RIVERSIDE, Calif. (www.ucr.edu) — In a first-of-its-kind study of how a material some think could transform the electronics industry moves in water, researchers at the University of California, Rivers...
The responses of eight coral reef calcifiers to increasing partial pressure of CO2 do not exhibit a tipping point
The responses eight coral reef calcifiers increasing partial pressure CO2 do not exhibit a tipping point
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2014/4/2
The objective of this study was to investigate whether a tipping point exists in the calcification responses of coral reef calcifiers to CO2. We compared the effects of six partial pressures of CO2(PC...
Diffusive boundary layers do not limit the photosynthesis of the aquatic macrophyte Vallisneria americanaat moderate flows and saturating light levels
Diffusive boundary layers do not limit the photosynthesis the aquatic macrophyte Vallisneria americana moderate flows saturating light levels
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2014/4/17
Hydrodynamic models of mass transport assume that diffusive processes next to the surface limit transport and that there are no biological and chemical processes that control the supply and demand of ...
Nitrogen fixation may not balance the nitrogen pool in lakes over timescales relevant to eutrophication management
Nitrogen fixation may not balance nitrogen pool in lakes over timescales relevant eutrophication management
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2014/4/17
We explored multiyear linear trends in nutrient concentrations, nitrogen (N) : phosphorus (P) ratio, and phytoplankton biomass within the 37-yr, whole-ecosystem nutrient enrichment experiment in Lake ...