Alternative states in the ocean

Ecologists expect natural communities to vary. Occasionally, however, such variation can be severely abrupt and lead to formation of alternative and potentially persistent states.

In the July issue of Ecology Letters, Paine and Trimble describe a dramatic assemblage shift on a rocky intertidal shore in Washington State (USA). The change was initiated during the extreme 1997/98 El Nio and has involved replacement of the original algal dominated assemblage by a mussel bed.

Starfish are capable of controlling the distribution and abundance of these mussels. The authors argue for two possible outcomes: gradual recovery of the algal assemblage as the mussels are consumed, or formation of a persistent alternative state if the mussels grow to a sufficient size to escape further predation.

The study emphasizes the ecological importance and generality of size escapes, a mechanism also characterizing potentially permanent transformations of terrestrial grasslands to forests.


Contact: Kate Stinchcombe
Blackwell Publishing Ltd.

Page: 1

Related biology news :

1. OUP launch a new Open Access Journal on Complementary and Alternative Medicine
2. Alternative treatment for secretory diarrhea linked to the cystic fibrosis gene
3. Alternative to hormone replacement therapy shows promising results
4. Alternative therapy use by Parkinsons patients
5. UC Scientists Search For Alternatives For Methyl Bromide
6. UW Smogmobile Offers Cleaner, Safer Alternative To Gas Or Electric Cars
7. EPAs Plant-Pesticide Policy Threatens To Stifle Development Of Pesticide Alternatives And International Trade
8. Scientists Use Magnetic Field As Alternative To Space-Based Zero Gravity
9. Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
10. Only 21 states offer newborn screening tests recommended by March of Dimes
11. Mathematical models reveal molten and glassy states of RNA

Post Your Comments:

(Date:6/6/2019)... ... June 05, 2019 , ... Ziegler, a specialty investment bank, ... Bio-Medical Laboratories (PBM) on its recent acquisition by PathGroup. , Headquartered in ... to more than one dozen hospitals and surgery centers in the Dallas-Fort Worth ...
(Date:6/4/2019)... ... June 04, 2019 , ... Harper was three years ... X-rays revealed severe elbow dysplasia, which caused painful osteoarthritis in the joints. She ... Her parents were heartbroken. , The surgical specialist, Dr. Christopher Eich of Southern ...
(Date:6/3/2019)... ... ... Stay on top of current hot topics through free webinars presented by leading experts ... so be sure to register today to save your place! Participate in the discussion ... upcoming webinars: , CLINICAL TRIALS , June 10 – A Novel Approach to Applying ...
Breaking Biology News(10 mins):
(Date:7/2/2019)... ... July 02, 2019 , ... Leading Regenerative Veterinary Medicine company, VetStem ... Meet Biotech. The film focuses on regenerative veterinary medicine as a means of ... recently included in the Brentwood and Pacific Palisades International Film Festival in ...
(Date:6/11/2019)... ... June 10, 2019 , ... Thought Technology Ltd ... appointment of Biofeedback Tech Ltd as its authorised distributor for the ... of many therapeutic treatments and clinical assessment protocols to treat stress related disorders ...
(Date:6/11/2019)... , ... June 11, 2019 , ... ... derived from human mesenchymal stem cells (MSC-EV) are able to incorporate into human ... In a test on mice, MSC-EVs also increased the cells’ ability to lodge ...
(Date:5/31/2019)... ... May 30, 2019 , ... Object Pharma, ... the strategic acquisition of Metabiologics, Inc., a globally recognized leader in the production ... and commercialization rights to a full spectrum of botulinum neurotoxins, as well as ...
Breaking Biology Technology:
Cached News: