Bibliography and Index of the Sirenia and Desmostylia  

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"Padilla-Saldivar, Ja"

Padilla-Saldivar, Janneth A.: SEE Morales et al., 2003. (detail)
 
 
 Morales-Vela, Benjamín; Padilla-Saldívar, Janneth A. (detail)
   
2001
Los manatíes en Quintana Roo. Ecofronteras.
Gaceta ECOSUR 14: 7-9.
 
 
 Morales-Vela, Benjamín; Padilla-Saldívar, Janneth A.; Mignucci-Giannoni, Antonio A. (detail)
   
2003
Status of the manatee (Trichechus manatus) along the northern and western coasts of the Yucatán Peninsula, México.
Carib. Jour. Sci. 39(1): 42-49. 2 tabs. 1 fig.
 
 
 Morales-Vela, Benjamín; Suarez-Morales, E.; Padilla-Saldivar, Janneth A.; Heard, R. W. (detail)
   
2008
The tanaid Hexapleomera robusta (Crustacea: Peracarida) from the Caribbean manatee, with comments on other crustacean epibionts.
Jour. Mar. Biol. Assoc. U.K. 88(3): 591-596.
 
 
 Castelblanco-Martínez, Delma Nataly; Morales-Vela, Benjamín; Hernández-Arana, H. A.; Padilla-Saldivar, Janneth A. (detail)
   
2009b
Diet of manatees Trichechus manatus manatus in Chetumal Bay, Mexico.
Latin Amer. Jour. Aquatic Mamms. 7(1-2): 39-46.
 
 
 Suárez-Morales, Eduardo; Morales-Vela, Benjamín; Padilla-Saldívar, Janneth A.; Silva-Briano, Marcelo (detail)
   
2010
The copepod Balaenophilus manatorum (Ortíz, Lalana and Torres, 1992) (Harpacticoida), an epibiont of the Caribbean manatee.
Jour. Nat. Hist. 44(13-14): 847-859. 6 figs. April 2010.
 
 
 Nourisson, Coralie; Morales-Vela, Benjamín; Padilla-Saldívar, Janneth; Pause Tucker, Kimberly C.; Clark, AnnMarie; Olivera-Gómez, Leon David; Bonde, Robert K.; McGuire, Peter M. (detail)
   
2011
Evidence of two genetic clusters of manatees with low genetic diversity in Mexico and implications for their conservation.
Genetica 139: 833-842. 3 tabs. 3 figs. DOI 10.1007/s10709-011-9583-z.
 
 
 Castelblanco-Martínez, Delma Nataly; Nourisson, Coralie; Quintana-Rizzo, Ester; Padilla-Saldivar, Janneth; Schmitter-Soto, Juan Jacobo (detail)
   
2012
Potential effects of human pressure and habitat fragmentation on population viability of the Antillean manatee Trichechus manatus manatus: a predictive model.
Endang. Species Res. 18: 129-145.
–ABSTRACT: We present a population viability analysis for the metapopulation of the Antillean manatee Trichechus manatus manatus with the aim of predicting its tendencies under various hypothetical scenarios of conservation. Multiple individual Monte Carlo simulations of deterministic and stochastic factors were run on VORTEX 9.73 software. Populations were defined using genetic structure, geographic barriers, and typical ranging behavior. Demographic characteristics and life history parameters were inferred from the most recent compilation of information on the subspecies or were extrapolated from the Florida manatee T. m. latirostris. The baseline model describes a metapopulation with a positive growth. This model was sensitive to changes in mortality, but did not show any significant response to variations in assumed carrying capacity, age at first reproduction, maximum reproductive age, or initial population size. We simulated different scenarios by modifying human pressure, habitat fragmentation, and catastrophic events (i.e. hurricanes). Additional combined models were developed to simulate the best- and worst-case scenarios for human pressure level and fragmentation. The model suggested that the metapopulation would not be able to withstand an annual anthropogenically induced mortality rate >5%. A decrease in the survival of transient individuals could also lead to a decline of the population. Variations of the hurricane parameters did not yield important changes in the population curves, but other effects of climatic change are discussed. The extensive geographical area used by manatees requires international collaboration to ensure the protection of the metapopulation through effective conservation strategies across countries.
 
 
 Castelblanco-Martínez, Delma Nataly; Padilla-Sáldivar, Janneth; Hernández-Arana, Héctor Abuid; Slone, D. H.; Reid, James P.; Morales-Vela, Benjamín (detail)
   
2012
Movement patterns of Antillean manatees in Chetumal Bay (Mexico) and coastal Belize: A challenge for regional conservation.
Mar. Mamm. Sci. 29(2): E166-E182. 3 tabs. 5 figs. DOI: 10.1111/j.1748-7692.2012.00602.x Apr. 2013 (publ. online Sept. 17, 2012).
–ABSTRACT: Information from 15 satellite-tracked Antillean manatees (Trichechus manatus manatus) was analyzed in order to assess individual movements, home ranges, and high-use areas for conservation decisions. Manatees were captured in Chetumal Bay, Mexico, and tagged with Argos-monitored satellite transmitters. Location of the manatees and physical characteristics were assessed to describe habitat properties. Most manatees traveled to freshwater sources. The Maximum Area Size (MAS) for each manatee was determined using the observation-area method. Additional kernel densities of 95% home range and 50% Center of Activity (COA) were also calculated, with manatees having 1–3 COAs. Manatees exhibited two different movement patterns: remaining in Chetumal Bay, and long-distance (up to 240 km in 89 d). The residence time in Chetumal Bay was higher for females (89.6% of time) than for males (72.0%), but the daily travel rate (0.4–0.5 km/d) was similar for both sexes. Most of the COAs fell within Natural Protected Areas (NPA). However, manatees also travel for long distances into unprotected areas, where they face uncontrolled boat traffic, fishing activities, and habitat loss. Conservation of movement corridors may promote long-distance movements and facilitate genetic exchange.
Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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