Navigation Links
Flower power makes tropics cooler, wetter
Date:6/16/2010

The world is a cooler, wetter place because of flowering plants, according to new climate simulation results published in the journal Proceedings of the Royal Society B. The effect is especially pronounced in the Amazon basin, where replacing flowering plants with non-flowering varieties would result in an 80 percent decrease in the area covered by ever-wet rainforest.

The simulations demonstrate the importance of flowering-plant physiology to climate regulation in ever-wet rainforest, regions where the dry season is short or non-existent, and where biodiversity is greatest.

"The vein density of leaves within the flowering plants is much, much higher than all other plants," said the study's lead author, C. Kevin Boyce, Associate Professor in Geophysical Sciences at the University of Chicago. "That actually matters physiologically for both taking in carbon dioxide from the atmosphere for photosynthesis and also the loss of water, which is transpiration. The two necessarily go together. You can't take in CO2 without losing water."

This higher vein density in the leaves means that flowering plants are highly efficient at transpiring water from the soil back into the sky, where it can return to Earth as rain.

"That whole recycling process is dependent upon transpiration, and transpiration would have been much, much lower in the absence of flowering plants," Boyce said. "We can know that because no leaves throughout the fossil record approach the vein densities seen in flowering plant leaves."

For most of biological history there were no flowering plantsknown scientifically as angiosperms. They evolved about 120 million years ago, during the Cretaceous Period, and took another 20 million years to become prevalent. Flowering species were latecomers to the world of vascular plants, a group that includes ferns, club mosses and confers. But angiosperms now enjoy a position of world domination among plants.


'/>"/>
Contact: Steve Koppes
s-koppes@uchicago.edu
773-702-8366
University of Chicago
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Flower organs cells make random decisions that determine size
2. Different forms of flowers continues to fascinate
3. Longer-lasting flowers: Fresh ideas from ARS researchers
4. Traces of early Native Americans -- in sunflower genes
5. Can the morphology of fossil leaves tell us how early flowering plants grew?
6. DNA sequencing unlocks relationships among flowering plants
7. Flower power can still calm the masses
8. Tobacco plant thwarts caterpillar onslaught by opening flowers in the morning
9. Changing flowering times protect tobacco plants against insect herbivory
10. Michigan State University study sheds light on microscopic flower petal ridges
11. How did flowering plants evolve to dominate Earth?
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Flower power makes tropics cooler, wetter
(Date:7/29/2014)... news for parents of preterm babies latest research from ... time they become teenagers, the brains of many preterm children ... , A study conducted by the University,s Robinson Research ... child experiences no brain injury in early life, their cognitive ... their term-born peers. , However, the results of the study, ...
(Date:7/29/2014)... types of cell, including sperm, bacteria and algae, ... These protrusions, about one-hundredth of a millimetre long, ... fluid. Similar, shorter structures called cilia are found ... perform roles such as moving liquids over the ... versatile: they transport mucus and expel pathogens from ...
(Date:7/28/2014)... discovery of two additional coral communities showing signs of damage ... of the 2010 spill in the Gulf of Mexico. The ... professor of biology at Penn State University. A paper describing ... in the Gulf of Mexico will be published during the ... of the journal Proceedings of the National Academy of ...
Breaking Biology News(10 mins):Preterm children's brains can catch up years later 2Microscopic rowing -- without a cox 2Microscopic rowing -- without a cox 3Impact of Deepwater Horizon oil spill on coral is deeper and broader than predicted 2
... genome consortium, consisted of scientists from China Agricultural University, ... the genome sequencing and analysis of the duck ( ... A viruses, which caused a new epidemic in China ... and provides an invaluable resource for unraveling the interactive ...
... Paris, France: French scientists have discovered that supposedly rare ... cells responsible for creating energy, account for more than ... as a respiratory deficiency. Their data emphasise ... DNA (mtDNA) in patients suspected as having a mitochondrial ...
... genetically modified (GM) cotton has significantly improved calorie consumption ... a 7-year-period, according to research published June 5 in ... Matin Qaim and Shahzad Kouser from the University of ... a survey of over 500 randomly selected small farm ...
Cached Biology News:The duck genome provides new insight into fighting bird flu 2Rare mitochondrial mutations -- maybe not so rare? 2
(Date:7/29/2014)... JOLLA, Calif. , July 29, 2014 ... diagnostic and therapeutic company focused on extending the healthy, ... hired Franz Och , Ph.D., an expert in ... Data Scientist. Och comes to HLI from Google where ... Google Translate. He will report directly to HLI Co-Founder ...
(Date:7/29/2014)... 2014) Tough, ultralight foam of atom-thick sheets can ... chemical process invented at Rice University. , In ... nanoscale building, with floors and walls that reinforce each ... materials: floors and walls of graphene oxide that self-assemble ... , The researchers say the foam could find use ...
(Date:7/29/2014)... , July 29, 2014  The Society ... new and updated program for the 9 th ... 12, 2014 in Amelia Island , Florida.  ... and investigators remains unchanged, however, the topics and ... and networking opportunity among all stakeholders with a ...
(Date:7/29/2014)... Second generation biofuels are a viable solution to the ... natural gas is very cheap, this is affecting the biofuels ... as they could be in comparison to natural gas. ... it difficult for renewable energy developers to get the economics ... these reasons, certain companies have shifted their focused within renewable ...
Breaking Biology Technology:Franz Och, Ph.D., Expert in Machine Learning and Machine Translation, Joins Human Longevity, Inc. as Chief Data Scientist 2Franz Och, Ph.D., Expert in Machine Learning and Machine Translation, Joins Human Longevity, Inc. as Chief Data Scientist 3Tough foam from tiny sheets 2TransCelerate, Lilly, Pfizer, and FDA Highlight Collaborative Program at the Site Solutions Summit 2TransCelerate, Lilly, Pfizer, and FDA Highlight Collaborative Program at the Site Solutions Summit 3Renewable Waste Intelligence: Could Renewable Chemicals Be the Future for the Renewable Energy Industry? 2
... historians, journalists and politicians, and has been recounted everywhere from ... forces used chemical weapons on Iraqis just after World War ... squared with the historical record, says R. M. Douglas, a ... the December issue of The Journal of Modern History ...
... at the University of East Anglia (UEA) could contribute ... agricultural waste to generate clean electricity. Published today ... National Academy of Sciences (PNAS), the researchers have ... some bacteria survive by ,breathing rocks,. The findings ...
... roadside bombs to freeway crashes. Traumatic injury, the leading cause ... the body,s natural blood-clotting process. In an effort to ... a new Case Western Reserve University biomedical engineering professor, and ... that show promise in halting internal and external bleeding. Their ...
Cached Biology Technology:Despite claims, UK did not gas Iraqis in the 1920s, new research finds 2Despite claims, UK did not gas Iraqis in the 1920s, new research finds 3Despite claims, UK did not gas Iraqis in the 1920s, new research finds 4'Rock-breathing' bacteria could generate electricity and clean up oil spills 2Researchers take the inside route to halt bleeding 2
... polyclonal to Endothelin B Receptor Like ... Receptor-Like Protein 2 (ETBR-LP-2) has been ... been isolated from human brain and ... Synthetic peptide (unfortunately, the amino acid ...
HSV-2 gD (0191)...
... The epitope recognized by ... of isoform 5 of human ... AAH19917.1 (GeneID 9444). The ... isoforms 1, 2, 3, 4, ...
... The product contains 5 ml Dynabeads Epoxy ... glycidyl ether (epoxy) reactive groups. Ideal for ... are absorbed hydrophobically on initial coupling with ... 2 and sulphydryll groups (SH)) occurring ...
Biology Products: