Arthur M A,Dean W E,Pratt L M.1988.Geochemical and climatic effects of increased marine organic carbon burial at the Cenomanian/Turonian boundary.Nature,335,714～717.
[5]
Janvier P.1999.Catching the first fish.Nature,402,21～22.
[6]
Kuypers M M,Pancost R D,Jaap S,Sinninghe Damsté J S.1999.A large and abrupt fall in atmospheric CO2 concentration during cretaceous times.Nature,399,342～345.
[7]
Leuenberger M,Siegenthaler U,Langway C C.1992.Carbon isotope composition of atmospheric CO2 during the last ice age from an Antarctic ice core.Nature,357:488～490.
[8]
Rozanski K L.Araguas R Gonfiantini.1992.Relation between long-term trends of oxygen -18 isotope composition of precipitation and climate.Science,258,981～985.
[9]
Ramskold L,Hou X.1991.New early Cambrian animal and onychophoran affinities of enigmatic metazoans.Nature,351,225～228.
[10]
Wang R L,Scarpitta S C,Zhang S C,Zheng M P.2002.Later Pleistocene/Holocene climate conditions of Qing-Zang (Tibetan) Plateau inferred from stable isotopes of Zabuye Lake.Earth and Planetary Science Letters,203,461～477.
Bengtson S.2003.What was life on Earth like before the Cambrian explosion? Nature,423,481～482.Deuser W G,Degens E T.1967.Carbon isotope fractionation in the systemCO2(gas)-CO2(aqueous)-HCO？-？3(aqueous).Nature,215:21～22.
[16]
Jasper J P,Hayes J M.1990.A carbon isotope record of CO2 levels during the late Quaternary.Nature,347,462～464.
[17]
Jenkyns H C,Gale A S,Corfield R M.1994.Carbon-and oxygen-isotope stratigraphy of the English Chalk and Italian Scaglia and its palaeoclimatic significance.Geol.Mag.131,1～34.
[18]
Luo Z.2004.A window on early animal evolution.Nature,430,405.
[19]
O\'leary M H.1981.Carbon isotope fractionation in plants.Phytochemistry,20 (4),553～567.
[20]
Shu D G,Luo H L,Conway Morris S,Zhang X L,Hu S X,Chen L,Han J,Zhu M,Li Y,Chen L Z.1999.Lower Cambrian vertebrates from south China Beneath the great divide.Nature,402,42～46.
[21]
Stigman D M,Boyle E A.2000.Glacial/interglacial variations in atmospheric carbon dioxide.Nature,407,859～869.
[22]
Scholle P A,Arthur M A.1980.Carbon isotope fluctuations in Cretaceous pelagic limestones:potential stratigraphic and petroleum exploration tool.Bull.Am.Assoc.Petrol.Geol.,64,67～87.
