http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0155675
Spatial and Temporal Variation in the Effects of Climatic Variables on Dugong 
Calf 
Production<http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0155675>
Knowledge of the relationships between environmental forcing and demographic 
parameters is important for predicting responses from climatic changes and to 
manage populations effectively. We explore the relationships between the 
proportion of sea cows ( Dugong dugon) classified as calves and four climatic 
drivers (rainfall anomaly, Southern Oscillation El NiƱo Index [SOI ], NINO 3.4 
sea surface temperature index, and number of tropical cyclones) at a range of 
spatially distinct locations in Queensland, Australia, a region with relatively 
high dugong density. Dugong and calf data were obtained from standardized 
aerial surveys conducted along the study region. A range of lagged versions of 
each of the focal climatic drivers (1 to 4 years) were included in a global 
model containing the proportion of calves in each population crossed with each 
of the lagged versions of the climatic drivers to explore relationships. The 
relative influence of each predictor was estimated via Gibbs variable 
selection. The relationsh



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