2012 COURSE DATES: AUGUST 4 – 17, 2012 - Sirenian International

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580 D. J. Semeyn et al. Fig. 4 Kernel density analysis of distribution of manatee sightings within the entire study area for (a) non-winter (16 March–14 November) and (b) winter (15 November–15 March) compliance levels when law enforcement was present. The results from his boater compliance study imply that our communication efforts with the LCMLETF not only efficiently directed limited enforcement staff to areas of potential watercraft incidents, but also indirectly increased the likelihood of boaters obeying the posted regulations. Management in action Watercraft-related mortality within Lee County did not decrease over the course of this study. In their evaluation of the impact of boat speed restrictions on watercraft-related deaths, Laist and Shaw (2006) listed four reasons for a lack of decline in deaths state-wide after implementation of speed zones in 13 key counties: (1) manatees are unable to avoid slow-moving vessels, and therefore speed restrictions offer little protection (2) low boater compliance occurs within speed zones (3) current speed zones are not substantial enough to offer protection (4) increasing numbers of both boaters and manatees result in increase numbers of collisions, effectively outpacing the speed zone reductions of these collisions. The Laist and Shaw study revealed that implementing slow speed rules within two densely populated manatee areas substantially decreased watercraft-related deaths. Based on their findings and those from our study, which indicated that the federal and state speed zones are spatially and seasonally substantiated in Lee County, the first and third reasons for mortality not decreasing seem unlikely. We conclude that in the case of Lee County, the absence of a decline in watercraft-related mortality is most likely explained by an increase in numbers of both manatees and boaters and/or, as discussed above, low boater compliance. One of the major benefits realized from the original objective of the study was the incorporation of new spatial data into the evaluation process for proposed marine facilities. The new spatial data from our study provide managers with up-to-date information reflecting the distribution of manatees in Lee County, which is important for the siting of marine facilities. In addition, prompt, near real-time reporting resulted in excellent communication and partnership among biologists, managers and law enforcement. These efforts helped to enhance both awareness of manatee presence and protection needs and the enforcement of posted manatee zones, which will hopefully result in reduced mortality rates in the upcoming years. Ultimately, the law enforcement officers are among the most important end users of the results of our research, as they have more daily contact with the boating public than biologists or decision makers. In fiscal year 2008, four Lee County marine law enforcement agencies conducted 2,665 non-citation or educational contacts (Lee County Department of Natural Resources, unpublished data). This demonstrates the tremendous potential educational impact that law enforcement has on the boating public. To take advantage of this opportunity, it is the responsibility of
Aerial surveys of manatees (Trichechus manatus) in Lee County, Florida 581 Fig. 5 Kernel density analysis of the distribution of manatee sightings within the Central region for four time periods: (a) summer (01 May–30 September); (b) pre-winter (01 October–14 November); (c) winter (15 November–15 March); and (d) post-winter (16 March–30 April)
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ECOLOGY, BEHAVIOR & CONSERVATION OF
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discomfort without proper protectio
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ABOUT BELIZE Research Site: The pro
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FIELD TRAINING AND ASSIGNMENTS Duri
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ENVIRONMENTAL CONDITIONS SBCRC is s
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HEALTH INFORMATION Routine Immuniza
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• Consult the CDC for immunizatio
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Oil or oil-based repellant (e.g. ol
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Ecology, Behavior, and Conservation
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MINIMUM / MAXIMUM CLASS SIZE: 6-24
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COURSE FEE & ADDITIONAL INFORMATION
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Ecology, Behavior & Conservation of
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2012 Field Course Policy & Liabilit
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2012 Field Course Policy & Liabilit
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FIELD JOURNALS You are required to
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OUR INVESTIGATION Figure 2. G. crut
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OUR INVESTIGATION Introduction The
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OUR INVESTIGATION Introduction On a
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Method We selected a patch reef loc
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OUR INVESTIGATION Introduction We f
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OUR RESEARCH FINDINGS Introduction
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area on the north part of the islan
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Introduction Our Investigation Befo
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Introduction Sea stars have long be
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INVESTIGATION Introduction Retracti
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Introduction Shells serve as a limi
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Introduction Lunar reproductive rhy
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TRIP SUMMARY SHEET (page 1) Day of
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RECORD OF EFFORT DATA SHEET Event (
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MANATEE SIGHTINGS AND SCANS Page 2
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MANATEE SIGHTINGS AND SCANS Page 4
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Date: Page 2 of ____ Sight/Scan Rec
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Date: Page 4 of ____ Sight/Scan Rec
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Sighting Log Continued from Page 1
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2010 VT: Scholar, BANNER, Safe Zone
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presentation to Horn Point Environm
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• Developed and managed education
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LaCommare, Katherine S. November 20
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• Comparative Vertebrate Anatomy,
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B. Ouranos, C. Bursey, and H. Kalb.
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2006. Holy Redeemer Day Camp. Conta
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18 NEWS AND VIEWS By 1995, in respo
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4842 J. M. BLUMENTHAL ET AL. are co
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4844 J. M. BLUMENTHAL ET AL. templa
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4846 J. M. BLUMENTHAL ET AL. Fig. 2
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4848 J. M. BLUMENTHAL ET AL. Fig. 4
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4850 J. M. BLUMENTHAL ET AL. mixed
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4852 J. M. BLUMENTHAL ET AL. Formia
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The Elusive Manatee -- An ethologic
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during the summer months while othe
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polyandrous - often mating with sev
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in the summer. Chessie, a male Flor
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ecords indicate that manatees have
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Florida manatee. National Biologica
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parturition: the action or process
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Manatees on the Belize Barrier Reef
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(a) (b) Manatees on the Belize Barr
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direction, and (e) when ‘travelli
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Season signi cantly aVected mean se
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male travelled at least as far as B
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55. Ontario Fisheries Research Labo
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NEWS OF THE WEEK MEETINGBRIEFS>> 10
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Functional Ecology 2008, 22, 284-28
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286 S. R. Noren Fig. 3. Swimming ki
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288 S. R. Noren Kelly, H.R. (1959)
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630 MARINE MAMMAL SCIENCE, VOL. 23,
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MARINE MAMMAL SCIENCE, 15(1): 102-1
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104 MARINE MAMMAL SCIENCE, VOL. 15.
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114 MARINE MAMMAL SCIENCE. VOL. 15.
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118 MARINE MAMMAL SCIENCE. VOL. 15.
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36 LaCommare et al. to the Drowned
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38 LaCommare et al. Figure 2. Map o
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40 LaCommare et al. points was 0.31
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42 LaCommare et al. may even provid
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172 NOTES Caribbean Journal of Scie
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174 FIG. 1. Drowned Cayes study are
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176 severe event occurred in 1998 (
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Coral Reefs (1997) 16, Suppl.: S23
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Table 1. Caribbean Diadema lore Sou
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Table 2. Historical accounts of the
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Table 3. Excerpts from Ernest F. Th
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Bradbury RH, Seymour RM, Antonelli
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Social Interactions in Captive Fema
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Captive Female Manatee Social Behav
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ut not random. Behaviors were not o
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Community Structure, Population Con
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422 THE AMERICAN NATURALIST the pla
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424 THE AMERICAN NATURALIST sarily
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Environmental Conservation 29 (2):
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194 C.M. Duarte well as more recent
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196 C.M. Duarte atmospheric inputs
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198 C.M. Duarte development (Short
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200 C.M. Duarte POTENTIAL STATUS IN
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202 C.M. Duarte detecting losses of
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204 C.M. Duarte Coles, R. & Fortes,
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206 C.M. Duarte Ramos-Esplá, A., M
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Journal of Zoology The lesser of tw
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E. M. Arraut et al. & Sparks, 1989)
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E. M. Arraut et al. (Link, 1795) an
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The Journal of Experimental Biology
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Fig. 1. Rescue locations of manatee
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The present study is the first to c
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Bearhop, S., Waldron, S., Votier, S
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28
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Figure 1. Map of the Drowned Cayes
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Figure 3. Histogram of number of ma
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a. b. c. Power Power Power 100 80 6
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2012 COURSE DATES: AUGUST 4 – 17, 2012 - Sirenian International

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