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Survey for the West Indian Manatee at Naval Station Guantánamo Bay, Cuba Daniel H. Slone, James P. Reid, Susan M. Butler, Robert K. Bonde, Margaret E.

Published byTerence Houston Modified over 8 years ago

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Presentation on theme: "Survey for the West Indian Manatee at Naval Station Guantánamo Bay, Cuba Daniel H. Slone, James P. Reid, Susan M. Butler, Robert K. Bonde, Margaret E."— Presentation transcript:

1 Survey for the West Indian Manatee at Naval Station Guantánamo Bay, Cuba Daniel H. Slone, James P. Reid, Susan M. Butler, Robert K. Bonde, Margaret E. Hunter, W. Judson Kenworthy* U.S. Geological Survey, Wetland and Aquatic Research Center, Sirenia Project, Gainesville, FL *101 Pivers Island, Beaufort, NC

2 West Indian Manatee (Trichechus manatus) - Tropical herbivorous marine mammal - Marine and riverine freshwater habitats

3 Midwest Florida Manatee Research Project, Xavier University Sirenian Species Ranges

4 USFWS Range of the West Indian Manatee

5 Study Area

6 Puerto Rico: Naval Station Roosevelt Roads 1992

7 Guamá - calf rescued summer 2012 at NS Guántanamo Bay

8 1)Benthic Habitat Mapping and Assessment Identify and map potential manatee foraging, resting and fresh water access areas. Characterize the distribution, abundance and health of tropical seagrass communities and assess for their potential use by manatees. 2) Manatee Capture and Radio Tracking Initiate capture of wild manatees, conduct health/genetic assessments, and apply radio tags with follow-up monitoring. Objectives

9 Team Coordinators: Spotting - Dan Slone, Susan Butler Capture Boat - Jim Reid, Susan Butler Land-based Netting - Bob Bonde, Dan Slone Health Assessment - Bob Bonde, Maggie Hunter Habitat - Jud Kenworthy, Dan Slone

10

11 Water Quality measurements

12 Objective 1: Habitat Surveys

13 Sonar bathymetric surveys

14 Bathymetry model

15 Benthic Video Camera System

16 Seagrass Transect Surveys: based on bathymetry and manatee use

17 Thalassia testudinum

18 Syringodium filiforme

19 Halodule wrightii

20 New Species: Halophila decipiens

21 Macroalgae

22 Other Benthic Features Corals Cassiopeia Turbidity from dinoflagelate bloom

23 Objective 2: Manatee assessment and tracking

24 Spotter Network: Where are the manatees?

25 Boat-based Captures

26

27 Shore-based Captures

28

29 Spc. Raechel Haynes

30 On-Board Processing

31

32

33 Morphometrics and Health Assessment Length Girths Temperature Heart Rate Respiration Oxygen Fat Thickness Blood samples Tissue Sample PIT Tag

34 Morphometrics and Health Assessment Length Girths Temperature Heart Rate Respiration Oxygen Fat Thickness Blood samples Tissue Sample PIT Tag

35 Morphometrics and Health Assessment Length Girths Temperature Heart Rate Respiration Oxygen Fat Thickness Blood samples Tissue Sample PIT Tag

36 Morphometrics and Health Assessment Length Girths Temperature Heart Rate Respiration Oxygen Fat Thickness Blood samples Tissue Sample PIT Tag

37 Morphometrics and Health Assessment Length Girths Temperature Heart Rate Respiration Oxygen Fat Thickness Blood samples Tissue Sample PIT Tag

38 Morphometrics and Health Assessment Length Girths Temperature Heart Rate Respiration Oxygen Fat Thickness Blood samples Tissue Sample PIT Tag

39 Processing at NS Guantánamo Vet Clinic

40 ID #NAME SEXLENGTH TGB-01Guantanamera♀ 299 TGB-02Judson♂ 294 TGB-03El Macho♂ 309 CGTMO-13-03Leslee♀ 190 TGB-04Sierra♀ 264 TGB-05Escondido♂ 279 TGB-06Alpha♀ 304 TGB-07Guajira ♀ 255 CGTMO-13-08Bravo♂ 196 CGTMO-13-10♂ 195 CGTMO-13-11♂ 197 TGB-08Corina ♀ 255 6 ♂, 6 ♀; 8 Adult, 4 Juvenile; 8 Tagged

41 Monitoring – Radio Tags

42 Remote monitoring via Argos satellite link GPS locations relayed as sensor data through Service Argos Accurate locations (less than 10m) Frequent fix (15-30 minutes) Temperature and dive data Scaled battery life (6-9 month life) Data stored for download Satellite Tracking

43 54,778 GPS locations received

44 47,436 locations in study area

45 Windward Coves and Guantánamo River were most-visited locations

46 Movement analysis delineates habitat use

47 Each manatee showed distinct preferences

48

49

50 Each manatee visited the Guantánamo River for fresh water, but schedules varied

51 Fresh water access

52 Resting Areas

53 Intersection of manatee movements and seagrass habitat

54

55 Featured in The Wire three times – also Radio GTMO and other media on base plus school and scouting outreach

56 Thank you to Department of the Navy, NAVFAC SE, NS Guantánamo Bay, Crystal River NWR and all the USGS and base volunteers!

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