Phosphorus in cold-water corals as a proxy for seawater nutrient chemistry

被引：74
|
作者：
Montagna, Paolo
McCulloch, Malcolm
Taviani, Marco
Mazzoli, Claudio
Vendrell, Begona
机构：
[1] ICRAM, I-00166 Rome, Italy
[2] Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT 0200, Australia
[3] CNR, Ist Sci Marine, I-40129 Bologna, Italy
[4] Univ Padua, Dipartimento Mineral & Petrol, I-35137 Padua, Italy
[5] CNR, Ist Geosci & Georisorse, I-35137 Padua, Italy
[6] CSIC, Inst Ciencias Mar, E-08003 Barcelona, Spain
来源：
SCIENCE | 2006年 / 312卷 / 5781期
关键词：
D O I：
10.1126/science.1125781
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Phosphorus is a key macronutrient being strongly enriched in the deep ocean as a result of continuous export and remineralization of biomass from primary production. We show that phosphorus incorporated within the skeletons of the cosmopolitan cold-water coral Desmophyllum dianthus is directly proportional to the ambient seawater phosphorus concentration and thus may serve as a paleo-oceanographic proxy for variations in ocean productivity as well as changes in the residence times and sources of deep-water masses. The application of this tool to fossil specimens from the Mediterranean reveals phosphorus-enriched bottom waters at the end of the Younger Dryas period.
引用
收藏
页码：1788 / 1791
页数：4
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