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Time for a mass extinction metrics makeover


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New Haven, Conn. Researchers at Yale and Princeton say the scientific community sorely needs a new way to compare the cascading effects of ecosystem loss due to human-induced environmental change to major crises of the past.
For too long, scientists have relied upon metrics that compare current rates of species loss with those characterizing mass extinctions in the distant past, according to Pincelli Hull, an assistant professor of Earth and planetary sciences at Yale, and Christopher Spalding, an astrophysicist at Princeton.
The result has been projections of extinction rates in the next few decades that are on the order of a hundred times higher than anything observed in the last few million years of the fossil record. ....

Christopher Spalding , Ecosystem Services , Proceedings Of The Royal Society , New Haven , Pincelli Hull , Intergovernmental Science Policy Platform , கிறிஸ்டோபர் ஸ்பால்டிஂக் , சுற்றுச்சூழல் அமைப்பு சேவைகள் , புதியது புகலிடம் , இடை அரசு அறிவியல் பாலிஸீ நடைமேடை ,

Time for a mass extinction metrics makeover


Date Time
Time for a mass extinction metrics makeover
Researchers at Yale and Princeton say the scientific community sorely needs a new way to compare the cascading effects of ecosystem loss due to human-induced environmental change to major crises of the past.
For too long, scientists have relied upon metrics that compare current rates of species loss with those characterizing mass extinctions in the distant past, according to Pincelli Hull, an assistant professor of Earth and planetary sciences at Yale, and Christopher Spalding, an astrophysicist at Princeton.
The result has been projections of extinction rates in the next few decades that are on the order of a hundred times higher than anything observed in the last few million years of the fossil record. ....

Christopher Spalding , Ecosystem Services , Proceedings Of The Royal Society , Pincelli Hull , Intergovernmental Science Policy Platform , Yale University , He Rock , Environmental Change , Mass Extinction , Royal Society , Species Loss , கிறிஸ்டோபர் ஸ்பால்டிஂக் , சுற்றுச்சூழல் அமைப்பு சேவைகள் , இடை அரசு அறிவியல் பாலிஸீ நடைமேடை , யேல் பல்கலைக்கழகம் ,