Arid
DOI10.1371/journal.pone.0186762
Body-size structure of Central Iberian mammal fauna reveals semidesertic conditions during the middle Miocene Global Cooling Event
Menendez, Iris1,2; Gomez Cano, Ana R.3,4; Garcia Yelo, Blanca A.5; Domingo, Laura1,2,6; Soledad Domingo, M.1,7; Cantalapiedra, Juan L.8; Blanco, Fernando1; Hernandez Fernandez, Manuel1,2
通讯作者Menendez, Iris
来源期刊PLOS ONE
ISSN1932-6203
出版年2017
卷号12期号:10
英文摘要

We developed new quantitative palaeoclimatic inference models based on the body-size structure of mammal faunas from the Old World tropics and applied them to the Somosaguas fossil site (middle Miocene, central Iberian Peninsula). Twenty-six mammal species have been described at this site, including proboscideans, ungulates, carnivores, insectivores, lagomorphs and rodents. Our analyses were based on multivariate and bivariate regression models correlating climatic data and body-size structure of 63 modern mammal assemblages from Sub-Saharan Africa and the Indian subcontinent. The results showed an average temperature of the coldest month higher than 26 degrees C for the Somosaguas fossil site, a mean annual thermal amplitude around 10 degrees C, a drought length of 10 months, and an annual total precipitation greater than 200 mm per year, which are climate conditions typical of an ecotonal zone between the savanna and desert biomes. These results are congruent with the aridity peaks described over the middle Aragonian of Spain and particularly in the local biozone E, which includes Somosaguas. The aridity increase detected in this biozone is associated with the Middle Miocene Global Cooling Event. The environment of Somosaguas around 14 Ma was similar to the current environment in the Sahel region of North Africa, the Horn of Africa, the boundary area between the Kalahari and the Namib in Southern Africa, south-central Arabia, or eastern Pakistan and northwestern India. The distribution of modern vegetation in these regions follows a complex mosaic of plant communities, dominated by scattered xerophilous shrublands, semidesert grasslands, and vegetation linked to seasonal watercourses and ponds.


类型Article
语种英语
国家Spain ; USA ; Germany
收录类别SCI-E
WOS记录号WOS:000413845400049
WOS关键词PLIOPLEISTOCENE CLIMATIC-CHANGE ; ESTIMATING PAST TEMPERATURES ; TIBETAN PLATEAU UPLIFT ; COMMUNITY STRUCTURE ; MADRID BASIN ; BIOMIC SPECIALIZATION ; VEGETATION PATTERNS ; MULTIPLE-REGRESSION ; MASS DISTRIBUTIONS ; FOREST MAMMALS
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/201677
作者单位1.Univ Complutense Madrid, Fac Ciencias Geol, Dept Paleontol, Madrid, Spain;
2.UCM, CSIC, Inst Geociencias, Dept Geol Sedimentaria & Cambio Medioambiental, Madrid, Spain;
3.Transmitting Sci, Barcelona, Spain;
4.Univ Autonoma Barcelona, Inst Catala Paleontol Miguel Crusafont, Cerdanyola Del Valles, Spain;
5.CSIC, Museo Nacl Ciencias Nat, Dept Paleobiol, Madrid, Spain;
6.Univ Calif Santa Cruz, Earth & Planetary Sci Dept, Santa Cruz, CA 95064 USA;
7.Estn Biol Donana CSIC, Dept Ecol Evolut, Seville, Spain;
8.Leibniz Inst Evolut & Biodiversitatsforsch, Museum Nat Kunde, Berlin, Germany
推荐引用方式
GB/T 7714
Menendez, Iris,Gomez Cano, Ana R.,Garcia Yelo, Blanca A.,et al. Body-size structure of Central Iberian mammal fauna reveals semidesertic conditions during the middle Miocene Global Cooling Event[J],2017,12(10).
APA Menendez, Iris.,Gomez Cano, Ana R..,Garcia Yelo, Blanca A..,Domingo, Laura.,Soledad Domingo, M..,...&Hernandez Fernandez, Manuel.(2017).Body-size structure of Central Iberian mammal fauna reveals semidesertic conditions during the middle Miocene Global Cooling Event.PLOS ONE,12(10).
MLA Menendez, Iris,et al."Body-size structure of Central Iberian mammal fauna reveals semidesertic conditions during the middle Miocene Global Cooling Event".PLOS ONE 12.10(2017).
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