Examples Of Determining Animal Behavior And Abundance In...

Determining animal behavior and abundance in the wild can be difficult and methods between researchers will vary. In many cases, different causes for preferences are found for similar groups due to the variety of methods. This is important because most models of animal abundance are based on previous findings on abundance and factors affecting area preference. With vulnerable animals these models are used to determine how to protect certain species by protecting particular areas. Therefore, truly understanding what influences an animals preference to a particular area is critical to protecting certain species. The following two papers, Sheppard and Wirsing, assess two populations of Dugongs and their preferences in those areas. A†¦show more content†¦Major differences in sampling methods could have effected the studies determination of dugong abundance and area of preference. Sheppards study individually tracked 7 dugongs, while Wirsings study recorded observations of 528 in dividuals passing in a transect. To start, the sample sizes could affect results of dugong abundance for the two studies. For one, a sample of 7 mostly adult male dugongs; 5 adult males, 1 unknown maturity male, and 1 adult female; out of a fluctuating 600 to 2,500 population, would not be representative of the population. Male and Female nutritional needs differ along with mature and immature individuals needs and just overall individual health and life stage. Therefore, while this study suggests that dugongs prefer sea grass patches with high N concentrations when available over high biomass, this can be partially applied to adult males ranging from 2.2M-3M, sample size still a bit small, but certainly not for entire populations. On the other hand Wirsing observed 528 individuals out of a fluctuating 10,000-14,000. This is more representative of the population, especially considering it wasnt a bias sampling with gender or maturity. Thus using a larger sample allows a better repre sentation of preferences and abundance of a population. On the other hand, SheppardsShow MoreRelatedThe Issue Of The White Rhino2826 Words   |  12 Pageshumans (â€Å"Foundational Concepts†2014). Humans have caused severe environmental changes such as global warming, loss of environment, animal trafficking, pollution of toxic chemicals and trash, and poaching. It’s estimated that 905 species are extinct and 16,928 are listed as endangered (â€Å"Endangered Species International† 2015). The white rhino is one of the biggest examples. There is only one male left in the world, which is now being guarded by African armed forces. Over the years, scientists have comeRead MoreA Picatrix Miscellany52019 Words   |  209 Pages7-9). 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