Navigation Links
How many species on Earth? 8.7 million
Date:8/23/2011

n of Nature assessed 59,508 species, of which 19,625 are classified as threatened. This means the IUCN Red List, the most sophisticated ongoing study of its kind, monitors less than 1% of world species.

The research is published alongside a commentary by Lord Robert May of Oxford, past-president of the UK's Royal Society, who praises the researchers' "imaginative new approach."

"It is a remarkable testament to humanity's narcissism that we know the number of books in the US Library of Congress on 1 February 2011 was 22,194,656, but cannot tell you -- to within an order-of-magnitude -- how many distinct species of plants and animals we share our world with," Lord May writes.

"(W)e increasingly recognize that such knowledge is important for full understanding of the ecological and evolutionary processes which created, and which are struggling to maintain, the diverse biological riches we are heir to. Such biodiversity is much more than beauty and wonder, important though that is. It also underpins ecosystem services that -- although not counted in conventional GDP -- humanity is dependent upon."

Drawing conclusions from 253 years of taxonomy since Linnaeus

Swedish scientist Carl Linnaeus created and published in 1758 the system still used to formally name and describe species. In the 253 years since, about 1.25 million species -- roughly 1 million on land and 250,000 in the oceans -- have been described and entered into central databases (roughly 700,000 more are thought to have been described but have yet to reach the central databases).

To now, the best approximation of Earth's species total was based on the educated guesses and opinions of experts, who variously pegged the figure in a range from 3 to 100 million -- wildly differing numbers questioned because there is no way to validate them.

Drs. Mora and Worm, together with Dalhousie colleagues Derek P. Tittensor, Sina Adl and Alastair G.B
'/>"/>

Contact: Terry Collins
tc@tca.tc
416-538-8712
Census of Marine Life
Source:Eurekalert  

Page: 1 2 3 4 5

Related biology news :

1. A new dinosaur species, Pachyrhinosaur lakustai, unveiled from Pipestone Creek, Alberta, Canada
2. Tropical rainforest and mountain species may be threatened by global warming
3. Brown scientist finds coastal dead zones may benefit some species
4. Ecologists say metabolism accounts for why natural selection favors only some species
5. Marine invasive species advance 50km per decade, World Conference on Marine Biodiversity told
6. Marine invasive species advance 50 km per decade, World Conference on Marine Biodiversity told
7. 11,000 alien species invade Europe
8. Snowy owl -- a marine species?
9. Dwarf crocodiles split into three species
10. Researchers create new class of fluorescent dyes to detect reactive oxygen species in vivo
11. Over 1,000 species discovered in the Greater Mekong in past decade
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
How many species on Earth? 8.7 million
(Date:7/11/2014)... group members to reduce aggression and gain access to ... grooming activities shows a certain pattern across the day. ... Biology Letters . , Grooming between individuals in ... motives. To be groomed has hygienic benefits and is ... can provide access to infants, mating opportunities and high ...
(Date:7/11/2014)... University, Sweden, have explored two different ways that ... leading to the formation of oxygen molecules in ... the scientific journal Nature Communications . , ... synthetic catalysts for water oxidation, which are key ... direct storage of solar energy in fuels like ...
(Date:7/11/2014)... increased risk of kidney injury related to the use ... mass of HES molecules, according to a report in ... International Anesthesia Research Society (IARS). , The "total mass ... on cultured human renal proximal tubule cells (PTCs), concludes ... of University Hospital Wrzburg, Austria. Other factorssuch as ...
Breaking Biology News(10 mins):Baboons groom early in the day to get benefits later 2Molecular snapshots of oxygen formation in photosynthesis 2In lab studies, hydroxyethyl starch has direct harmful effects on kidney cells 2
... of Illinois at Chicago College of Pharmacy are ... an antipsychotic medication works in adults and children ... Risperidone, a popular "atypical" antipsychotic medication, is used ... bipolar disorder. , Jeffrey Bishop, assistant professor ...
... molecular mechanism underlying the hyperactive high of cocaine. In ... interactions between two types of receiving stations in neurons ... in rats found that when the animals received cocaine, ... tends to grab onto a component of a receptor ...
... demand, Montana State University entomologists are investigating ways ... the entomologists are concluding a two-year study that ... sawfly larvae that tunnel the interior of developing ... master's graduate Godshen Pallipparambil-Robert and undergraduate Melissa Frazier ...
Cached Biology News:Studies look at how genes affect antipsychotic drug response 2Cocaine high caused by interference in neuronal receiving stations 2Rearing an army to save wheat 2Rearing an army to save wheat 3
(Date:7/11/2014)... -- EPFL and the University of  Geneva ... John P. Donoghue . The American neuroscientist is to ... The new Wyss Center for Bio- and ... , has named as its director one of ... , founder of Brown University,s Institute for Brain Science, ...
(Date:7/10/2014)... Canada (PRWEB) July 10, 2014 ... present in very low abundance and are often ... challenging and time-consuming. , Join presenters Dr. Rowel ... and Dr. John Anders, Head of Quality at ... spectrometer-based approach that can speed detection and quantitation ...
(Date:7/10/2014)... Robert Harman, DVM, Founder and CEO of Vet-Stem, Inc., ... the relaunch of his highly informative blog, now named Stem ... What are Stem Cells ?” Dr. Harman’s purpose for ... the basics of stem cell therapy so that pet owners ... treatment when considering regenerative medicine. , A veterinarian by trade, ...
(Date:7/10/2014)... On July 9 Prime Minister ... Russia,s first national "Industry" award ... is developing a unique project called MabNext . ... number of innovative drugs based on monoclonal antibodies for ... place at the International Exhibition "Innoprom 2014" in Ekaterinburg. ...
Breaking Biology Technology:John P. Donoghue is Taking the Lead at the Wyss Center and is Appointed Professor at EPFL and University of Geneva 2John P. Donoghue is Taking the Lead at the Wyss Center and is Appointed Professor at EPFL and University of Geneva 3Novel Ms Techniques Speed Detection of Biopharmaceutical Product and Process Impurities, New Webinar Hosted by Xtalks 2Robert Harman, DVM Talks About What Stem Cells are in His Latest Blog Series for Vet-Stem, Inc. 2Robert Harman, DVM Talks About What Stem Cells are in His Latest Blog Series for Vet-Stem, Inc. 3Dmitry Medvedev Presented BIOCAD the First National "Industry" Award 2
... 31 BioCryst,Pharmaceuticals, Inc. (Nasdaq: BCRX ) ... NewsMakers in the Biotech Industry conference in New,York. ... Thursday, September,6, 2007 at 2:00 p.m. Eastern Time ... . The presentation will be archived for seven ...
... FREMONT, Calif., Aug. 30 ARYx Therapeutics, Inc.,announced today ... S-1 with,the Securities and Exchange Commission for a proposed ... of the shares in the proposed,offering will be sold ... will be Morgan Stanley & Co.,Incorporated acting as sole ...
... (Nasdaq: VRNM ), a leading developer of cellulosic ... specialty,enzymes, announced today that Carlos A. Riva, President and ... Cowen and Company Clean,Energy Conference. The presentation is scheduled ... 2007 and will take place at Le Parker Meridien ...
Cached Biology Technology:BioCryst to Present at the BioCentury NewsMakers in the Biotech Industry Conference 2BioCryst to Present at the BioCentury NewsMakers in the Biotech Industry Conference 3ARYx Therapeutics, Inc. Files Registration Statement for Initial Public Offering 2Verenium Corporation to Present at the Upcoming Cowen and Company Clean Energy Conference 2Verenium Corporation to Present at the Upcoming Cowen and Company Clean Energy Conference 3
... MBPK Antibody - Red, 20X ... MBPK antibody at 20X concentration for ... polarization assays. Quality ... 645nm FarRed fluorescence polarization assays. ...
Goat polyclonal to SPFH2 ( Abpromise for all tested applications). Antigen: Synthetic peptide: EDEPLETATKEN, corresponding to C terminal amino acids 328-339 of Human SPFH2 Entrez Gene ID: 11...
alpha/beta-Tubulin Antibody Ship: Hot Store: -20 C...
Anti-Kusabira Orange Monoclonal Antibody Description: 100 g Research Focus: tag Storage: -20C Shipping Temperature: 4C...
Biology Products: