Navigation Links
Overfishing and evolution
Date:7/20/2009

Using snorkelers and SCUBA divers is not the best way to monitor fish populations, if we want to know the evolutionary effects of overfishing.

The fish population in coral reef areas is often assessed by snorkelers or SCUBA divers, but new research shows that these methods may misrepresent the number of fish.

A study from the University of Victoria shows that fish avoid the divers and snorkelers who try to count them. Not all types of fish are equally frightened by the divers, and Faculty of 1000 member Helen Yap, who recommended the study, explains that therefore "such methods may not provide an accurate picture of the actual diversity and abundance of fish communities."

Counting coral reef fish informs researchers about local ecological changes. However, accurate monitoring of fish populations in other parts of the ocean is also necessary. This is because overfishing has long-term, 'evolutionary' effects on fish population and breeding rates.

This was addressed by John Pandolfi in a recent article in Faculty of 1000 Reports. Accurate assessment of changes to fish populations depends on being able to count them. Pandolfi emphasized that fish populations must be monitored over several generations, saying "While the field is exciting and changing almost daily, we still have very little information of how species are affected by fisheries-induced evolution, and the extent to which various traits are vulnerable."


'/>"/>

Contact: Kathleen Wets
kathleen@f1000.com
44-207-323-0323
Faculty of 1000: Biology and Medicine
Source:Eurekalert

Page: 1

Related biology news :

1. Overfishing threatens European bluefin tuna
2. Evolution is driven by gene regulation
3. Clones on task serve greater good, evolutionary study shows
4. Adaptation to parasites drive African fishes along different evolutionary paths
5. Uncertainty drives the evolution of cooperative breeding in birds
6. Structure of 450 million year old protein reveals evolutions steps
7. Scientists retrace evolution with first atomic structure of an ancient protein
8. Hidden interactions between predators and prey: evolution causes cryptic dynamics in ecology
9. Migrating squid drove evolution of sonar in whales and dolphins, researchers argue
10. Old developmental pathways spawn revolutionary evolutionary changes
11. Systems Biology poised to revolutionize the understanding of cell function and disease
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:12/15/2016)... , Dec. 15, 2016 ... driving experience, health wellness and wellbeing (HWW), ... one in three new passenger vehicles begin ... recognition, gesture recognition, heart beat monitoring, brain ... monitoring, facial monitoring, and pulse detection. These ...
(Date:12/8/2016)... 2016 Market Research Future published a half cooked research ... Biometric Security and Service Market is expected to grow over the ... Market Highlights: ... Mobile Biometric Security and Service Market ... need of authentication and security from unwanted cyber threats. The increasing ...
(Date:12/7/2016)... Dec. 7, 2016   Avanade is helping ... One teams in history, exploit biometric data in order ... and maintain the competitive edge against their rivals after ... Avanade has worked with Williams during the ... biometric data (heart rate, breathing rate, temperature and peak ...
Breaking Biology News(10 mins):
(Date:1/18/2017)... ... January 18, 2017 , ... Researchers from a new study are stating that if ... after prostate cancer treatment, this indicates there is still remaining prostate cancer cells that are ... The PSA test has always been an indicator of whether a man’s prostate cancer ...
(Date:1/18/2017)... Philadelphia, PA (PRWEB) , ... January 18, 2017 , ... ... million in tax credits by the Pennsylvania Department of Community and Economic Development in ... 36 companies are located in the University City Keystone Innovation Zone and represent the ...
(Date:1/18/2017)... 18, 2017 /PRNewswire/ - SQI Diagnostics Inc. (TSX-V: ... company that develops and commercializes proprietary technologies and ... "Company"), today announced that Cameron Prange , ... resigned from its Board of Directors.  Mr. Prange,s ... regulations that have limited both his ability to ...
(Date:1/17/2017)... , Jan. 17, 2017 The Global ... a CAGR of around 7.5% over the next ... Some of the prominent trends that the market ... of diseases & graft transplant surgeries and medical ... the market is categorized into immunomodulatory biomaterials, natural, ...
Breaking Biology Technology: