Navigation Links
Small, smaller, smallest -- The plight of the vaquita

Research published in the academic journal Mammal Review has uncovered the missing link in the depleting population of the vaquita. With a body less than 1.5 m long, the vaquita is the smallest living cetacean (the order Cetacea consists of whales, dolphins and porpoises). It also has one of the smallest ranges (c. 2235 km2) and one of the smallest populations (< 600 individuals based on a 1997 survey). This little porpoise is one of the two most critically endangered small cetaceans in the world, suggesting that its chances of survival are small, just like its population size and area of distribution. So, what actions have been and are being taken to prevent the vaquita’s extinction and promote its recovery" In a recent paper published in Mammal Review, the authors from Mexico and Canada reviewed the scientific issues, described previous and ongoing conservation efforts, and identified remaining obstacles, established priorities, and provided recommendations.

The vaquita is endemic to the north-western corner of the Gulf of California (north of 30º45'N and mainly west of 114º20'W), an area rich and diverse in marine mammals. It is somewhat surprising that the porpoises are limited to such a small area when there are no obvious physical barriers to prevent them from moving into the rest of the Gulf. However, there is no evidence that the vaquita’s overall range has changed in historic times. Acoustic surveys suggest that vaquitas are not only limited to the north-western Gulf all the year-round, but also that their current distribution is more restricted than previously thought ?confined to a small area off the eastern coast of the Baja California Peninsula.

What is driving the vaquita towards extinction" It is not, as is so often the case, degradation of its habitat. A risk factor analysis discounted pollution or the drastic reduction of freshwater flow from the Colorado River as primary culprits. It is also not a genetic problem. Genetic analyses
'"/>

Source:Blackwell Publishing Ltd.


Page: 1 2 3 4

Related biology news :

1. New study of the worlds smallest elephant
2. Worlds smallest cancer detection device
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Small smaller smallest The plight the vaquita

(Date:7/11/2014)... two different ways that allow unprecedented experimental insights ... of oxygen molecules in photosynthesis. The two studies ... Nature Communications . , "The new knowledge will ... oxidation, which are key components for building artificial ... energy in fuels like hydrogen, ethanol or methanol," ...
(Date:7/11/2014)... normal circumstances, astrocytes participate in normal physiological ... exhibit therapeutic and repairing effects on brain ... found that nerve cells differentiated from adipose-derived ... viability, which produces influences on subsequent studies ... Hospital, Hebei United University, China demonstrated that ...
(Date:7/10/2014)... and other major cities in New Mexico, nearly every ... wastewater rather than precious potable water supplies. Across the ... all golf courses receive treated effluent. Reusing the effluent ... golf courses and homeowners alike fertilize their lawns during ... nitrate. A New Mexico State University turfgrass expert has ...
Breaking Biology News(10 mins):Molecular snapshots of oxygen formation in photosynthesis 2'Tailored' water -- the latest in lawn care 2
... A team of scientists from The Scripps Research ... the deadliest antibiotic-resistant bacteria. The compound could one day ... highly resistant bacterial infections. The results were published ... of the American Chemical Society . "[These results] ...
... AURORA, Colo. (Aug. 24, 2011) A scientist investigating why ... coordination has found that key eye reflexes are substantially altered. ... researcher Alberto Costa, MD, Ph.D., could lead to new tools ... at improving quality of life for those with this genetic ...
... The delivery system for an important class of proteins ... mere three components, according to a new study. ... percent of the membrane proteins in a cell, are known ... membrane after construction. New research from the University of Chicago ...
Cached Biology News:Scientists reengineer antibiotic to overcome dangerous antibiotic-resistant bacteria 2Scientists reengineer antibiotic to overcome dangerous antibiotic-resistant bacteria 3Scientists reengineer antibiotic to overcome dangerous antibiotic-resistant bacteria 4Researcher finds altered cerebella in those with Down syndrome 2Three-part handoff delivers proteins to membrane surface 2Three-part handoff delivers proteins to membrane surface 3
(Date:7/12/2014)... (PRWEB) July 12, 2014 ... various reagents used in the life science ... the life science reagents market towards remarkable ... manufacturers and providers of life science reagents. ... Report: http://www.transparencymarketresearch.com/life-sciences-reagents-analytical-reagents.html . , The global ...
(Date:7/11/2014)... EPFL and the University of  Geneva ... John P. Donoghue . The American neuroscientist is ... . The new Wyss Center for Bio- ... Geneva , has named as its director one ... Donoghue , founder of Brown University,s Institute for Brain ...
(Date:7/10/2014)... July 10, 2014 Product and ... very low abundance and are often “lost in ... time-consuming. , Join presenters Dr. Rowel Tobias, Senior ... John Anders, Head of Quality at Nanotherapeutics, Inc., ... that can speed detection and quantitation while achieving ...
(Date:7/10/2014)... 10, 2014 Robert Harman, DVM, Founder and ... is proud to announce the relaunch of his highly informative ... new series called “ What are Stem Cells ?” ... and straightforward foundation in the basics of stem cell therapy ... the right type of treatment when considering regenerative medicine. , ...
Breaking Biology Technology:Transparency Market Research: Life Science Reagents Market- PCR Reagent Kits, Cell and Tissue Culture, Flow Cytometry, Electrophoresis and Chromatography 2Transparency Market Research: Life Science Reagents Market- PCR Reagent Kits, Cell and Tissue Culture, Flow Cytometry, Electrophoresis and Chromatography 3John 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. 3
... August 5 ,Amsterdam Molecular Therapeutics (Euronext: AMT), a ... announced that it will release its financial,results for ... August 13, 2008 at,noon Central European Time (CET). ... conference call at 2:00 p.m. CET. Netherlands dial ...
... DIEGO, Aug. 4 Cadence Pharmaceuticals,Inc. (Nasdaq: ... and commercializing proprietary product candidates principally,for use in ... and CEO Theodore Schroeder will present the company,s ... -- Bank of America,s 2008 Specialty Pharmaceuticals Conference ...
... MDVN ) today announced that it will host a ... progress and provide,a general business update on Monday, August ... press release for the second quarter ended June,30, 2008 ... 2008., Interested parties may call 877-397-0286 from the ...
Cached Biology Technology:Cadence Pharmaceuticals' CEO Theodore Schroeder to Present at Two Investment Conferences During the Month of August 2008 2
... Anti-PRK2 MW 140kDa ... Immunogen Peptide spanning amino acids ... Purification immunoaffinity purified Quality ... RIPA lysates from HeLa cells. ...
...
Replacement Parts for Electrophoresis Apparatus...
Sprague-Dawley rats, 7-8 weeks old, mixed gender; tissue is collected fresh, frozen on dry ice within minutes of sacrifice and stored at -20C; individual tissue weight approx. 0.05 gram....
Biology Products: