HOME >> BIOLOGY >> NEWS
Report in BioScience details global decline of nonmarine mollusks

In the April, 2004, issue of BioScience, a team of 16 experts from around the world report on the diversity and plight of what may be the world's most endangered group of animals nonmarine mollusks (that is, terrestrial and freshwater mollusks). The World Conservation Union lists in the IUCN Red List of Threatened Species a total of 1,930 threatened nonmarine mollusks, which is nearly half the number of all known amphibian species, more than twice the number of shark and ray species, and nearly seven times the number of turtle species.

Furthermore, nonmarine mollusks have the dubious honor of having the highest number of documented extinctions of any major taxonomic group. A staggering 42% of the 693 recorded extinctions of all animal species since the year 1500 are mollusks (260 gastropods and 31 bivalves).

Regrettably, nonmarine molluscan extinctions go largely unnoticed by the general public, most biologists, and many conservation agencies, which focus their resources and energy on more charismatic vertebrate species. The extraordinary decline of nonmarine mollusks is due directly to habitat destruction and disruption of natural ecosystem processes. As an integral component of healthy ecosystems, molluscan diversity is valuable both for its own sake and as an indicator of conditions that may affect other species, including our own.

Nonmarine mollusks are members of the second most diverse group of animals, the phylum Mollusca, which includes snails, slugs, clams, mussels and others. There are approximately 24,000 terrestrial and 7,000 freshwater mollusk species for which valid descriptions exist. There are probably 11,000 to 40,000 undescribed terrestrial species and 3,000 to 10,000 undescribed freshwater species. Even the lower estimates exceed the number of all known species of birds, and the higher figures exceed the number of all known species of vertebrates.

Journalists may obtain copies of the article by contacting Donna Ro
'"/>

Contact: Donna Royston
droyston@aibs.org
202-628-1500 x261
American Institute of Biological Sciences
2-Apr-2004


Page: 1 2

Related biology news :

1. Report outlines vision and recommendations for microbiology in the 21st Century
2. Report outlines steps needed to lessen smallpox threat
3. Reporters from Science Magazine to receive ASM Public Communications Award
4. National Academies news: Report on EPAs particulate matter research
5. Report details growing climate change threat to coral reefs
6. Report to aid nation in managing freshwaters
7. Report examines use of antibiotics in agriculture
8. Report offers action plan for curbing diseases that kill millions
9. Report focuses on the science and safety of genetically modified crops
10. Report considers role of science in a world made vulnerable by terrorism
11. Report supports sustainable food production

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Report BioScience details global decline nonmarine mollusks

(Date:4/13/2015)... NEW YORK , April 13, 2015 /PRNewswire/ ... study by TechSci Research, "Global Biometrics Market Forecast & ... to register a CAGR of around 14% till ... various governments for large scale implementation and review ... technology and launch of new products with greater ...
(Date:4/8/2015)... 8, 2015  Infinisource, a leading provider of SaaS-based ... Morpho, a leading supplier of biometric identification and ... market,s most advanced biometrically-enabled time clock, the companies ... clock is setting a bold, new standard for ... the small and mid-size employer. When connected to ...
(Date:4/2/2015)... Sweden , April 2, 2015 ... for Q1 2015 attributed to somewhat higher than 125 ... in the year-end report 2014 that revenues for Q1 ... that the company reported for Q4 2014. The operating ... to be negative. The complete interim report will as ...
Breaking Biology News(10 mins):Global Biometrics Market to Cross US$ 21 Billion by 2020: TechSci Research 2iSolved Time Clock Offers Unmatched Accuracy due to Morpho Biometrics 2iSolved Time Clock Offers Unmatched Accuracy due to Morpho Biometrics 3Fingerprint Cards Revises Revenues for Q1 2015 2
(Date:4/30/2015)... Nitto Avecia, a leading biotechnology manufacturer and ... production capability to serve biotechnology pharmaceutical clients. A ... continues to drive Nitto Avecia to enhance synthesis ... , In Fall 2014, Nitto Avecia first ... its Milford, MA facility, which is recognized as ...
(Date:4/30/2015)... April 30, 2015  The Paul G. Allen Family ... (ADI) grants to six groups of researchers with projects ... roadblocks in neuroscience: growing mature human brain cells in ... of $7.5 million over three years.  ... research is especially significant because the field of neuronal ...
(Date:4/30/2015)... 30, 2015 WuXi PharmaTech (Cayman) Inc. ("WuXi" ... global contract R&D services provider, today announced that its ... letter, dated April 29, 2015, from a consortium (the ... "Chairman"), founder, chairman and chief executive officer of the ... proposes a transaction (the "Transaction") involving the acquisition of ...
(Date:4/30/2015)... 2015 Clinovo Staffing Solutions ... Conference held in Orlando, FL on May 17-20th, ... with Leslie Kolman, Manager of Staffing Solutions, will present ... at Booth #17. , “We are excited to ... year”, Says Trisha Heredia, Senior Director of Staffing Solutions ...
Breaking Biology Technology:Biotechnology Manufacturer Nitto Avecia Expands Capacity to Meet Client Demand 2The Paul G. Allen Family Foundation Awards $7.5 Million To Study Brain Cell Growth And Development 2The Paul G. Allen Family Foundation Awards $7.5 Million To Study Brain Cell Growth And Development 3The Paul G. Allen Family Foundation Awards $7.5 Million To Study Brain Cell Growth And Development 4The Paul G. Allen Family Foundation Awards $7.5 Million To Study Brain Cell Growth And Development 5WuXi PharmaTech Announces Receipt of Proposal 2WuXi PharmaTech Announces Receipt of Proposal 3WuXi PharmaTech Announces Receipt of Proposal 4WuXi PharmaTech Announces Receipt of Proposal 5WuXi PharmaTech Announces Receipt of Proposal 6Clinovo Exhibits at the 2015 PharmaSUG Annual Conference on May 17-20th in Orlando, FL 2Clinovo Exhibits at the 2015 PharmaSUG Annual Conference on May 17-20th in Orlando, FL 3
Cached News: