Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Fishermen and UCSB scientists explore ways to improve management of California spiny lobsters

12.02.2008
Unique, collaborative ways to manage fisheries are emerging in Southern California. Currently the California spiny lobster is being scrutinized as Californians evaluate the first five years of marine reserves in the Channel Islands area.

An innovative collaboration has developed between local trap fishermen and scientists at the Bren School of Environmental Science and Management at the University of California, Santa Barbara. The partnership, called CALobster (www.CALobster.org), has ambitious long-term and short-term goals.

The long-term goals include involving fishermen in fisheries research and management, ensuring the sustainability of lobster populations, and maintaining working harbors. In addition, CALobster is building an education program to train graduate students in community-based fisheries management. The community includes fishermen, scientists, managers, environmental groups, and general public.

A series of short-term studies have been conducted to support the longer-term goals. They include assessment of a recent and controversial management decision to establish no-take fishing reserves at the Channel Islands.

Research conducted by CALobster will be presented at an upcoming special symposium Friday morning. Entitled The First Five Years of Monitoring the Channel Islands Marine Protected Area Network, the symposium, free and open to the public, is at the Embassy Suites Mandalay Beach Hotel and Resort, 2101 Mandalay Beach Road in Oxnard. The program agenda is available at www.dfg.ca.gov/marine/channel_islands/specialsession.asp

Hunter Lenihan, a professor at UC Santa Barbara’s Bren School and a CALobster researcher, explained that the results to be presented at the symposium are preliminary because analyses and sampling are on-going. Nevertheless, patterns observed so far are very interesting, according to Lenihan.

“Lobster populations inside reserves tend to have greater proportions of individuals of large sizes,” said Lenihan. “Traps deployed inside reserves consistently had equal or higher average catch rates than those outside reserves, with some exceptions.”

In addition, trapping conducted by Matt Kay, a UC Santa Barbara graduate student and CALobster co-founder, and fisherman Chris Miller, another co-founder, explain that larger lobsters, once feared to be completely fished-out, are present in the Channel Islands both inside and outside of reserves.

Intensive monitoring of the lobster population began two years ago. Kay cautioned that lack of data on the lobster population structure before reserve implementation limits the ability to interpret the differences we see today.

“This lack of ‘before’ data undermines our ability to identify reserve effects unequivocally,” said Kay. “For example, the trends in population structure and trap yield we observed may be driven by habitat characteristics, since some traditionally high-yielding reefs were placed inside reserves. CALobster provides a starting point for monitoring reserve impacts on spiny lobster. We recommend that monitoring of marine resources precede future reserve implementation in California.”

Efforts by the collaboration to help develop community-based research to inform management are on-going. Of special concern is creating lower-cost, more effective forms of management that involve all stakeholders.

“The grass roots of the community must be involved,” said Lenihan. “After all, we all eat fish. In particular, many of us choose to eat local fish, meaning that we must sustain local fisheries. We cannot just conserve lobster populations but we must focus on conserving fishing communities.” Kay added: “It’s important to remember that working harbors not only have economic value, but also contribute to the character of coastal communities.”

According to the CALobster website: “CALobster provides a forum for fishermen, together with scientists, managers, and others, to participate productively in fisheries and reef ecology, data collection, and other research activities designed to advance spatially-explicit stock assessments, ecosystem-based and zonal-based management, and the conservation of fishing cultures. We are a collaboration of marine stakeholders, including especially the California Lobster and Trap Fishermen's Association (CLTFA) and UC Santa Barbara marine scientists.”

CALobster is training students in multi-disciplinary approaches to fishery ecology and fisheries co-management. According to the website: “This is possible only with the participation of committed mentors, including fishermen, ecologists, economists, anthropologists, trades people and craftsmen, policy makers, managers, and philosophers.”

Some scientists and managers point out that the increase in the California spiny lobster population in the marine reserve network is an indicator that marine protected areas can be an effective tool in ecosystem health. “All these MPA monitoring studies advance a broad understanding of how coastal ocean ecosystems respond to changes in management,” said John Ugoretz of the California Department of Fish and Game.

Gail Gallessich | EurekAlert!
Further information:
http://www.ia.ucsb.edu

More articles from Ecology, The Environment and Conservation:

nachricht Conservationists are sounding the alarm: parrots much more threatened than assumed
15.09.2017 | Justus-Liebig-Universität Gießen

nachricht A new indicator for marine ecosystem changes: the diatom/dinoflagellate index
21.08.2017 | Leibniz-Institut für Ostseeforschung Warnemünde

All articles from Ecology, The Environment and Conservation >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Ultrafast snapshots of relaxing electrons in solids

Using ultrafast flashes of laser and x-ray radiation, scientists at the Max Planck Institute of Quantum Optics (Garching, Germany) took snapshots of the briefest electron motion inside a solid material to date. The electron motion lasted only 750 billionths of the billionth of a second before it fainted, setting a new record of human capability to capture ultrafast processes inside solids!

When x-rays shine onto solid materials or large molecules, an electron is pushed away from its original place near the nucleus of the atom, leaving a hole...

Im Focus: Quantum Sensors Decipher Magnetic Ordering in a New Semiconducting Material

For the first time, physicists have successfully imaged spiral magnetic ordering in a multiferroic material. These materials are considered highly promising candidates for future data storage media. The researchers were able to prove their findings using unique quantum sensors that were developed at Basel University and that can analyze electromagnetic fields on the nanometer scale. The results – obtained by scientists from the University of Basel’s Department of Physics, the Swiss Nanoscience Institute, the University of Montpellier and several laboratories from University Paris-Saclay – were recently published in the journal Nature.

Multiferroics are materials that simultaneously react to electric and magnetic fields. These two properties are rarely found together, and their combined...

Im Focus: Fast, convenient & standardized: New lab innovation for automated tissue engineering & drug

MBM ScienceBridge GmbH successfully negotiated a license agreement between University Medical Center Göttingen (UMG) and the biotech company Tissue Systems Holding GmbH about commercial use of a multi-well tissue plate for automated and reliable tissue engineering & drug testing.

MBM ScienceBridge GmbH successfully negotiated a license agreement between University Medical Center Göttingen (UMG) and the biotech company Tissue Systems...

Im Focus: Silencing bacteria

HZI researchers pave the way for new agents that render hospital pathogens mute

Pathogenic bacteria are becoming resistant to common antibiotics to an ever increasing degree. One of the most difficult germs is Pseudomonas aeruginosa, a...

Im Focus: Artificial Enzymes for Hydrogen Conversion

Scientists from the MPI for Chemical Energy Conversion report in the first issue of the new journal JOULE.

Cell Press has just released the first issue of Joule, a new journal dedicated to sustainable energy research. In this issue James Birrell, Olaf Rüdiger,...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

“Lasers in Composites Symposium” in Aachen – from Science to Application

19.09.2017 | Event News

I-ESA 2018 – Call for Papers

12.09.2017 | Event News

EMBO at Basel Life, a new conference on current and emerging life science research

06.09.2017 | Event News

 
Latest News

“Lasers in Composites Symposium” in Aachen – from Science to Application

19.09.2017 | Event News

New quantum phenomena in graphene superlattices

19.09.2017 | Physics and Astronomy

A simple additive to improve film quality

19.09.2017 | Power and Electrical Engineering

VideoLinks
B2B-VideoLinks
More VideoLinks >>>