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Effect of climate change on animals ESSAY
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Desert Tortoise Endangerment The Desert Tortoise, native to the Mojave Desert, is a threatened species. On average, the lifespan of a desert tortoise is between eighty and a hundred years. They grow to be about nine to fifteen inches long and four to six inches tall. Sexual maturity is reached at around fifteen years old. The desert tortoise’s habitat ranges from the Mojave desert in Colorado to the northern part of Mexico. With such a large span of habitat, it is hard to imagine that this long-living species are on the verge of becoming endangered. Therefore, it is a threatened species. Threatened is a step under endangered, meaning that a threatened species is a species at risk of becoming endangered. Unfortunately, the desert tortoise has experienced a …show more content…
The Desert Tortoise was named threatened in 1990. Plagued by many threats, the desert tortoise has had a tough time regaining their population. They are beleaguered by climate change, livestock grazing, invasive plants, off-road vehicles, illegal collecting, and more. Climate change has made food and water scarce for the desert tortoise. Drought was brought upon by the change in climate, making the already arid desert drier. The desert tortoise was already adapted to a lack of water, but not to the extent needed by the more recent changes in climate. Livestock grazing has contributed to the habitat loss of the desert tortoise, as well. Fields for livestock are created by the clearing of desert plants from an area. Sadly, where these clearings are once was a expansive and extensive desert ecosystem that has now been lost forever. Wistfully, invasive species make
The sabertooth cat, also known by its scientific name Smilodon Fatalis, is considered a true form fossil. A fossil is considered a true form fossil when scientists recover fossils of the actual animal or animal part. These bones were oftentimes subjected to physical processes while still on the surface. These processes include heat, cold, wind and rain.
U.S. Department of the interior, National Park Service. (2013). Endangered Species. Retrieved from website: http://www.nature.nps.gov/biology/endangeredspecies/index.cfm
Although multifarious people may believe, that the Tasmanian devil is a vicious animal, they are not as vicious as they seem. These devils will feed off of other dead animals, and won’t go hunt for their food. Tasmanians are an endangered species. They are a carnivorous marsupial. Even though they look adorable, they are extremely fierce. The species scientific name is Sarcophilus Harrisii . (“Tasmanian Devil, Sarcophilus harrisii”).
Cane toads originated from South America, were introduced to Australia in the early 20th century and have been in Australia for nearly 70 years. Cane toads were relocated by the Europeans to control destructive beetles that destroyed sugarcane in Cairns approximately 2900 young toads were released in Australia, after a while the group of Europeans discovered cane toads were unsuccessful at removing the cane bugs. Cane toads spread throughout Queensland, Cane toads have spread south and west and now cane toads can be found in Queensland, Northern Territory, New South Wales. Cane toads became were well known as an invasive species or pest. Cane toads eat bugs, ants, generally anything that could fit inside its mouth, most cane toads grow to 10-15cm long and females have been grown to 23cm colour ranges from grey to olive brown. They breed in slow moving water, females lay about 8- 35000 eggs a
Cane Toads have had a huge impact upon Western Australian food webs. They have poison glands behind their eyes, which they have used to eliminate their predators, much of which is Australian native fauna. The Quoll is the most affected animal by the Cane Toads, and have become, ‘critically endangered’, according to the Northern Territory Legislation. This has left a large dent upon WA’s natural food web.
Conservation is needed, particularly in Orange County, because of the large-scale development of homes, businesses, and roads. The listing of the California Gnatcatcher as a "threatened" species and the dwindling numbers of other CSS dependent species are a testament to the need for whole-habitat preservation. For instance, CSS habitat includes other birds and organisms in need of protection, including the Coastal Cactus Wren and the Orange-throated Whiptail Lizard. The single species approach moves very slowly and often species go extinct before any listing is allowed. In the meantime, other species require protection and are placed as a last priority. The ESA, many conservationists argue, was always meant to be an act aimed at supporting multi-species preservation. With the leisurely pace at which legislation moves and with the single-species ...
Landscape fragmentation contributes to loss of migratory corridors, loss of connectivity and natural communities, which all lead to a loss of biodiversity for a region. Conservation of biodiversity must include all levels of diversity: genetic, species, community, and landscape (CNHP 1995). Each complex level is dependent upon and linked to the other levels. In addition, humans are linked to all levels of this hierarchy. A healthy natural and human environment go hand in hand (CNHP 1995). An important step in conservation planning, in order to guarantee both a healthy natural environment as well as a healthy human environment, is recognizing the most endangered elements.
A keystone species is an organism that has a critical effect on maintaining the structure of an ecosystem. Keystone species have a low functional redundancy and if extinct, would significantly alter the ecology, negatively impacting the range of species that inhabit the environment. The report will discuss the application and limitation of science as a human endeavor, with consideration to the role that humans are playing to reduce the extinction of the keystone specie, Grey-headed Flying-Fox. The Grey-Headed Flying-fox is recognized as a keystone specie within its environment as it plays an important role in the pollination of rainforests and native
In Julie Otsuka’s novel, When the Emperor was Divine, the boy’s emotions are embodied through animals. In mid 1942, the boy and his family are displaced from their home in Berkeley, CA, and relocated to an internment camp. The family is forcibly imprisoned in response to Executive Order 9066, due to their Japanese heritage. The boy’s initial hope and innocence are expressed through a tortoise. The disappearance of these virtues become evident through the animal’s demise. Additionally, images of wild horses display the boy’s desire for freedom and an identity, while their death illustrates his inability to aspire to such things. A tortoise and horses manifest the boy’s internal struggles with his internment. The life and death of the creatures
Their findings contributed to a further explanation of the definition of an invasive species. It was concluded that invasive species are detrimental to the environment that they are invading. Jackson (2015) mentioned that negative relationships among invaders are a particular concern since it is possible that both of the invasive species would need to be controlled in order for an area to rebound after invasion. Hoopes et al. (2013) concluded that native species on island refuges are more likely to be come extinct during an invasion compared to those of mainland refuges. These results also help to confirm the importance of understanding invasive species from a conservation point of view since invasive species are a major threat to native populations in their
Deforestation demolishes the habitats of many animals leaving them very little food or for many others, no choice but die. "The toll on wildlife across
US Fish and Wildlife Service (2014, April 8). Summary of listed species, listed population, and recovery plans. Retrieved from http://ecos.fws.gov/tess_public/pub/boxScore.jsp
In spite the fact, the size of the preserve diminished over the hundreds of year that it has been around, however there are still animals living in the area. FAU preserves is the home of Burrowing Owls, Coachwhip Snakes, Coyotes, Rabbits and the majestic Gopher Tortoises. Gopher tortoises are ectothermic, which means that they use the environment to stay warm. At least 23 species of Tortoises were known to prevail on the continent, however there are only five remaining today; the desert tortoise (Gopherus agassizii), the Texas tortoise (Gopherus berlandieri), the Bolson tortoise (Gopherus flavomarginatus), the Sonoran desert tortoise (Gopherus morafkai) and the Gopher tortoises (Gopherus Polyphemus) (Alford,
One of the big causes of extinction or the endangerment of species is foreign species entering a habitat. This species that are not native to the land can disrupt the food web in that community. These species take control of the food web and endanger some of the other species. The native species become endangered and over the course of many years they either adapt to their new way or life, the foreign predator leaves or is killed off due to the different environment, or the species is killed off and becomes extinct. Organizations like the “World Wild Li...
Various plant and animal species depend on each other for what each offers and these diverse species ensures natural sustainability for all life forms. A healthy and solid biodiversity can recover itself from a variety of disasters. It is estimated that the current species extinction rate is between 1,000 and 10,000 times higher than it would naturally be. Therefore, there is an urgent need, not only to manage and conserve the biotic wealth, but also restore the degraded ecosystems. c) Captivity breeding species can again be reintroduced into the wild.