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Why do fish care about marine boundaries?. If the reserve is too small…

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Presentation on theme: "Why do fish care about marine boundaries?. If the reserve is too small…"— Presentation transcript:

1 Why do fish care about marine boundaries?

2 If the reserve is too small…

3 Los Angeles Catalina Island Marine Science Center Marine Life Refuge Santa Catalina Island

4 Catalina Island Marine Science Center Marine Life Refuge (CMLR) 0.13 km 2 Protected since 1988 Was one of the largest no- take reserve in southern California! 0.13 km 2 Protected since 1988 Was one of the largest no- take reserve in southern California!

5 Questions: Do larger fish have have larger home ranges? Do the home ranges of these fish in the reserve exceed the boundary? What types of habitat in the reserve do these fish prefer? Do larger fish have have larger home ranges? Do the home ranges of these fish in the reserve exceed the boundary? What types of habitat in the reserve do these fish prefer?

6 Kelp Bass Lowe et al Acoustic telemetry tracking & monitoring

7 Sheephead Topping, 2003; Topping et al., in prep Acoustic telemetry tracking & monitoring

8 Habitat use – Kelp bass

9 200 m Why not move?

10 Geological Habitat Rock wall Steep rock rubble Rock boulder Rock rubble Mud/sand

11 Leaky boundaryTight boundary Reserve boundary Fish Fences?

12 Seal Beach Lifeguard Headquarters Stingray Treatment Center Seal Beach Lifeguard Headquarters Stingray Treatment Center

13 Seal Beach Urban Influences?

14 Round stingray Vaudo & Lowe unpubl. Acoustic telemetry tracking

15 Seal Beach Southern California Southern California Sunset Beach Anaheim Bay Anaheim Bay Hot zone!

16 Support: Wrigley Institute of Environmental Studies UC Sea Grant USC Sea grant California Dept. of Fish and Game Drs. Rikk Kvitek and Gary Greene Dr. Jenn Caselle – PISCO/UCSB National Fish and Wildlife Foundation Wrigley Institute of Environmental Studies UC Sea Grant USC Sea grant California Dept. of Fish and Game Drs. Rikk Kvitek and Gary Greene Dr. Jenn Caselle – PISCO/UCSB National Fish and Wildlife Foundation


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