Navigation Links
Fossil and molecular evidence reveals the history of major marine biodiversity hotspots

This press release is available in Spanish.

The journal "Science" has published in the issue of the 1st of August the results of a detailed research work about the evolution of marine diversity all through the last 50 million years. The study has been carried out with the participation of scientists from Australia, Spain, USA, UK, Holland, Malaysia and Panama.

The results obtained prove that the main concentrations of biodiversity have been located in the last 50 million years in a line, from west to east, from southwest Europe and northwest Africa to the Indo-Australian Archipelago, and along the eastern shore of the Arabian Peninsula, Pakistan, and West India.

The researchers, among which is the Professor of the University of Granada (Spain) Juan Carlos Braga, have based this work on the study of the combination of molecular evidence and the fossil record.

At present, the Indo-Australian Archipelago (IAA) is the tropical center of maximum diversity since the Miocene and in the last 20 million years, as the record of large benthic foraminifera, mangrove pollen types, gastropods, and corals has shown.

The research proves the amazing antiquity of the IAA focus, which provides a new understanding of biodiversity hotspots, product of ecological processes operating over geological time scales of millions of years with their timing and locations coinciding with major tectonic events. The birth and death of successive hotspots highlights the link between environmental change and biodiversity patterns..

Vulnerability of coral reef ecosystems

A synthesis of the paleontological and molecular data, interpreted in an ecological context, has enabled the scientists to understand the true antiquity of hotspots and their component species. However, future studies are clearly needed as global threats to marine biodiversity put the spotlight on the vulnerability of coral reef ecosystems.

We now realize that human-induced changes are operating on time scales far removed from those that have created these hotspots. An improved understanding of the nature of biodiversity hotspots, be they terrestrial or marine, will require a clearer understanding of the Geographic and environmental context of taxonomic turnover driving the origination, maintenance, and diminution of hotspots over extensive time scales.


Contact: Dr. Juan C. Braga
Universidad de Granada

Related biology news :

1. Rare Antarctic fossils reveal extinction of tundra before full polar climate arrived
2. Antarctic fossils paint a picture of a much warmer continent
3. Fossils and layers: Solving the terrane puzzle of the North American cordillera
4. UCSB researcher leads worldwide study on marine fossil diversity
5. New fossil tells twisted tale of how flatfishes ended up with two eyes on one side of head
6. Living fossils have long- and short-term memory
7. Ocean acidification -- another undesired side effect of fossil fuel-burning
8. A fossilized giant rhino bone questions the isolation of Anatolia, 25 million years ago
9. Scientists discover giant fossil frog from hell
10. Impacts of fossil fuels on fish and people
11. Oldest Australian crayfish fossils provide missing evolutionary link
Post Your Comments:
(Date:11/30/2015)... , Nov. 30, 2015  BIOCLAIM announced ... finalist in this year,s Fierce Innovation Awards:  Healthcare Edition, ... FierceHealthIT , FierceHealthcare , ... as a finalist in the category of "Privacy ... --> --> ...
(Date:11/19/2015)...  Based on its in-depth analysis of the biometric ... the 2015 Global Frost & Sullivan Award for Product ... this award to the company that has developed the ... the market it serves. The award recognizes the extent ... customer base demands, the overall impact it has in ...
(Date:11/18/2015)... ALBANY, New York , November 18, 2015 /PRNewswire/ ... Transparency Market Research has published a new market report ... Share, Growth, Trends, and Forecast, 2015 - 2021. According to ... bn in 2014 and is anticipated to reach US$29.1 ... 2015 to 2021. North America ...
Breaking Biology News(10 mins):
(Date:12/1/2015)... ... December 01, 2015 , ... Matthew “Tex” VerMilyea, PhD, HCLD, has joined ... will oversee all IVF lab procedures as well as continue his research efforts into ... 7,305 miles to Auckland, New Zealand to bring home a High Complexity Clinical Laboratory ...
(Date:11/30/2015)... ... , ... Global Stem Cells Group Chile CEO ... America and abroad for the first Iberoamerican Convention on Aesthetic Medicine, Cosmetology and ... will present and discuss new trends in anti-aging stem cell treatments, regenerative medicine ...
(Date:11/30/2015)... ... 2015 , ... Global Stem Cells Group today ... Santiago Marriott. The Global Stem Cells Group GMP facility is equipped with the ... medical researchers and practitioners, experienced in administering stem cell protocols using highly manipulated ...
(Date:11/30/2015)... , Dec. 1, 2015  An interventional radiology technique shows ... the preliminary results of a study being presented today at ... North America (RSNA). --> ... for decades by interventional radiologists as a way to stop ... procedure as a means of treating obesity is new. ...
Breaking Biology Technology: