The U.S. Fish & Wildlife Service Sandy Point NWRCaribbean Islands National Wildlife Refuge...

The U.S. Fish & Wildlife Service Sandy Point NWR

Claudia D. LombardRefuge Biologist

U. S. Fish & Wildlife Service U. S. Fish & Wildlife Service Mission:Mission:

To work with others to conserve, To work with others to conserve,

protect, and enhance wildlife protect, and enhance wildlife

(flora and fauna) and their (flora and fauna) and their

habitats for the enjoyment of habitats for the enjoyment of

present and future generations.present and future generations.

Seven Divisions within USFWS:• Administrative Division

• Fisheries Division

• International Division

• Migratory Bird and State Programs Division

• National Wildlife Refuge Division

• Legal Division

• Ecological Services Division

Caribbean Islands National Wildlife Refuge Complex

Puerto RicoCabo Rojo NWR Laguna Cartagena NWRCulebra NWRDesecheo NWRVieques NWR Navassa NWR

U.S. Virgin IslandsSandy Point NWRGreen Cay NWRBuck Island NWR

Sandy Point NWR

Refuge Facts

• Purchased in 1984• Over 400 acres• The largest beach area (3.2 km of

continuous beach ) in the Virgin Islands.• The largest salt pond in the Virgin Islands.• Largest population of nesting leatherbacks

in United States.

• To provide habitat and protection for threatened and endangered species, with particular emphasis on the leatherback sea turtle.

• To support the Service’s commitment to implement and carry out sea turtle recovery plans.

• To provide habitat for a natural diversity of plant and wildlife species.

• To foster a sense of public commitment and understanding for sea turtles and the need for protection by providing opportunities for environmental education, interpretation, and compatible wildlife-oriented recreation.

Refuge Objectives

SEA TURTLES OFSANDY POINT

Leatherback Sea Turtle Research and Conservation Project

• DPNR, DFW

• WIMARCS

• USFWS

• EarthWatch Institute

Leatherback Sea Turtles• The largest reptile on Earth• Weighs on Average 600-800lbs and is 155cm long

(5.5ft)• Long distance migrations (St. Croix to Nova

Scotia), deep divers• Leathery carapace• Feed on Jellyfish• Nest March - August• Individuals nest every 2-3 years• Lay 80 eggs, every 10 days, up to 10 times in a

season

Saturation Tagging

LEATHERBACK FEMALES ENCOUNTERED AT SANDY POINT NWR FROM 1982-2006

ANNUAL NUMBER OF HATCHLINGS PRODUCED AT SANDY POINT 1982-2006

100001500020000250003000035000400004500050000

Results

•• Population increasing rapidly Population increasing rapidly (~13% annually)(~13% annually)

•• CMR analysis of 10 yrs PIT CMR analysis of 10 yrs PIT tag data yield high nesting tag data yield high nesting female survival probabilities female survival probabilities (~90%). (~90%).

Nest Relocation30 – 40% of nests are relocated to stable beach areas

Research Projects• Nest excavation and hatch

success analysis

• Analysis of effects of temperature, moisture, vegetation on nest success

• Blood sampling to determine population structure, age dynamics, nesting physiology, and metabolism

• Satellite telemetry to determine migration, diving, and movement patterns of nesting females

Conclusions

• Beach protection and egg relocation can be effective management tools . . . . Long term recovery efforts on Sandy Point appear to have paid off!

• Need high adult survivorship for continued recovery. . . . We estimate annual nester survival of this population to be about 89%, which is consistent with a healthy population!

Turtle Watch Education Program

GOAL: Foster a conservation ethic within the St. Croix community

Thousands of school children and community members have participated in the Turtle Watch Program!

What do we offer tourism?

• Saturdays and Sundays 10:00am to 4:00 pm• Birding, beach walks, interpretive stations• Coming soon . . . . . on-site visitor center • Volunteer opportunities . . . . .

Earth Watch Volunteers

QUESTIONS?

The U.S. Fish & Wildlife Service Sandy Point NWRCaribbean Islands National Wildlife Refuge...

Documents

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