Fishing effects on cora

Jack, Sobel SOBELJ at
Wed Mar 13 19:18:59 EST 1996

After an earlier posting regarding work done on the effects of fishing on  
Kenyan coral reefs by McClanahan etal, I received requests for more  
specific reference information.  There are actually a number of articles  
on this subject by this group.  Among the more recent are: 

McClanahan, T.R. & D. Obura. 1995.  Status of Kenyan Coral Reefs.   
Coastal Management 23:57-76. 

McClanahan, T.R. 1995.  Fish predators and scavengersof the sea urchin  
Echinometra Mathaei in Kenyan coral-reef parks.  Env. Biol. of Fishes  

McClanahan, T.R. 1995.  A coral reef ecosystem-fisheries: impacts of  
fishing intensity and catch selection on reef structure and processes.   
Ecolocical Modelling 80(1995):1-19. 

McClanahan, T.R. 1994.  Kenyan coral reef lagoon fish:  effects of  
fishing, substate complexity, and sea urchins.  Coral Reefs (1994)  

Jack Sobel, Ecosystem Scientist 
Center for Marine Conservation 
sobelj at 

Original Message: 

Do you have a complete reference for the McClanahan publication, or an  
address for him so I can request a reprint? 

Bruce Carlson 
Waikiki Aquarium 

On 13 Mar 1996, Jack, Sobel wrote: 

> On March 8, William Moreno Caycedo requested information on the effects  

> of fishing or overfishing on corals (see below).  Although this  
> impact has been overlooked and underestimated by many, some  
> good work on this has been published by McClanahan etal on Kenyan coral  

> reefs.  Their work was made possible by the existance of "marine  
> reserves", areas closed to fishing, that enabled comparisons between  
> fished and unfished areas.  Their work suggests that, at least in  
> the impacts of overfishing/fishing on corals may be more important and  
> severe than even widely recognized problems, such as those associated  
> with eutrophication and sedimentation. 
> Jack Sobel, Ecosystem Scientist 
> Center for Marine Conservation 
> sobelj at 
> From: William Moreno Caycedo <wm1 at> 
> To: coral-list at 
> Subject: Fishing and its effect on coral 
> Message-ID: <SIMEON.9603081346.A at> 
> Date: Fri, 8 Mar 1996 13:11:46 +0000 (gmt) 
> Priority: NORMAL 
> X-Mailer: Simeon for Windows 
> X-Authentication: none 
> MIME-Version: 1.0 
> Sender: owner-coral-list at 
> Precedence: bulk 
> To anybody 
> Does anybody knows anything about the effects to  coral by fishing (or  
> overfishing)  in a particular area of the world.   
> At the moment I'm trying to study this problem but at this University  
> (Canterbury U.K) there is not much information.  I would be most  
> if someone could tell me where I can obtain this kind of info. 
> Thanks 
> William Moreno 
> Durrel Intitute of Conservation and Biology 
> wm1 at 

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