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It is estimated that 4,300 invasive species live in the U.S. and many more reported each year. Invasive species are becoming a big problem, but there are some creative ways this problem can be addressed. In the articles “The Snake That is Eating Florida” and “Sheepdogs to the Rescue”, shows us examples of invasive species and how it's problem is being solved. Invasive species is a animal or plant that is brought into a new environment and damages the animals and plants that live there. In the article “The Snake That is Eating Florida”, it shows an example of why invasive species a problem and how it is addressed. It's says “ Asian Carp dominates rivers across Mississippi and Illinois… They grow up to 100 lbs and eats 20% - 40% of their
Invasive species as a whole have become a nuisance to many habitats and ecosystems around the world. What defines an invasive species is the following. It must be a species that is foreign to the habitat it resides in, have no natural predators which allow it to reproduce in such a rapid manner, and out compete native animals of food and shelter (Rosenthal 2011). These characteristics are what create such high populations of these invasive species in various habitats around the globe.
Unable to handle their giant snakes, and unable to find new homes for them, some owners illegally release them into the wild. They are also an invasive species, which means that they are not constrained by natural factors as much as they were in their native habitat. Invasive species have the potential to harm their new environments. The release of Burmese pythons in South Florida is especially troublesome because the subtropical climate and the vast undisturbed habitats of the Everglades enable the species to thrive.
Invasive species are non-native organisms that occupy habitats and disrupt the natural ecological cycles of the habitat. They threaten the biodiversity of an ecosystem and are biological pollutants Invasive species introduced into new habitats usually maximize their reproduction in their new home and crowd out native species. Their lack of natural predators in their new community allow for a proliferation in growth and expansion as a result of their abundant food supply. Once they are established, invasive species can rarely be eliminated because their new habitat is favorable for their survival.
The invasive species, the Burmese Python has done irreparable damage to the Everglades National Park in Florida. A steady decline in mammals has been observed since the introduction of Burmese pythons occurred. Burmese pythons were first introduced into the United States as part of the pet trade which then led to the escape or intentional release out into the wild. The first notation of these species arriving was in the year 2000. However, within just eleven years this invasive species had done such a large amount of damage to Florida’s Ecosystem that many species had gone almost completely extinct.
Invasive species do not only affect other species in their ecosystem, but also cost the United States more than one hundred and twenty million dollars each year in damages (“Cost” par. 2). Invasive species come in all different forms, and all have a negative impact on the environment. These species can come into a new area without being detected at first, but as time goes on their effects can soon be seen. Efforts are being made to prevent these invasive species from destroying fish population and habitat, but in order to be successful they need to be done on a much larger scale. In order to protect Wisconsin's waters, which are already infected with many invasive species that cause great damage to our bodies of water, more actions need to be taken. It is vital to remove all invasive species from Wisconsin’s waters because it will improve fish habitat, native fish population, and water quality.
Should exotic snakes or other large reptiles be allowed as pets in Florida? Right now these escaped/released feral reptiles create an estimated $120 billion in environmental damage each year according to David Steen on Slates Animal Blog.
Nonnative species can also be called alien, exotic, or nonindigenous. Their presence is due to humans dispersing them to other locations beside their native habitat, or by humans creating environmental conditions that allow their growth. When nonnative species begin to take over a new habitat and displace native species, they are then termed an invasive species. Nonnative invasive species are one of the biggest threats to ecosystems in North America (Cox, 1999) because they are able to have an impact on many levels, including ecosystems, communities, and populations (Cushman, Tierney, & Hinds, 2004).
In 1831, Asian carp were brought over as a delicacy. Asian carp are originally from Asia (Barbara A. Somervill 13). They were imported by catfish farmers in 1963 for federal research on controlling aquatic vegetation. In 1966, the first Asian carp had escaped into Arkansas waters. By 1970, grass carp we're being stocked in Arkansas waters to help with over vegetation. In 1972, big head carp were brought in the United States by a fish farmer in Arkansas to improve his water quality and fish production. In 1973, silver carp were introduced for phytoplankton control (Watershed Council 1). Over time, they were brought over for different reasons and made their way into many of the United States waters. The federal government had transported the invasive species to help the waters but, they did not realize the bad effects that the fish would have on the future environment. People need to find a way to stop them before it’s too late. Their rapid breeding has had a great toll on the environment and is still affecting it today. Over population can destroy the environment
Invasive species are organisms that harm a new environment that they are not native to. Many invasive species like Eurasian milfoil are easily able to reproduce and can do so fast. Due to this, the limited space in a body of water or area of land is quickly taken over by the invasive species so other native plants face the risk of death or even extinction. Overall, these invasive species can do great harm to an ecosystem or an economy, causing problems that are destructive to numerous organisms.
The piece I chose to do my literary analysis on was the article, The Truth About Invasive Species, written by Alan Burdick. The article states that invasive species are all around us, but the area with the most prominent amount is the suburbs of Miami. It goes into detail about how abundant invasive species are in this area. Most people who would see a strange animal in their lawn or area would be bemused, however for the people of Southern Florida, this is a recurring scene. Burdick states that “virtually everyone in the South Florida, including Hardwick, has a neighbor with a backyard menagerie of lucrative critters on hold for resale”. Burdick describes both how an invasive species is introduced into an ecosystem, and the impact the have on other species upon their arrival.
Natural selection is associated with the phrase “survival of the fittest.” This basically means that the fittest individuals can not only survive, but are also able to leave the most offspring. The selection of phenotypes affects the genotypes. For example, if tall pea plants are favored in the environment, then the tall pea plants would leave more offspring behind, meaning that the offspring will carry tall alleles. Phenotypes that are successful have the best adaptations (characteristics that help an individual to survive and reproduce) to their environment. These adaptation arise from the interactions with living and nonliving aspects of the environment. Some nonliving aspects of the environment are climate, water availability, and concentration of mineral sin the
Parry, Wynne. (Sept. 23Rd , 2011) Exotic Pets Turning Invasive, Threatning Florida. Tech Media. Retrieved March 10th 2014, from http://www.livescience.com/16204-florida-invasive-reptiles-amphibians.html
Invasive species only started to show up in the United States when the Europeans started to arrive. Beforehand, very limited contact was made in this particular region of the world, so very few invasive species came into North America. When the Europeans arrived in 1492, after Columbus discovered North America, they brought their own culture and essential food and animals with them. At first, it was just the basics of maize, wheat, pumpkins, and squash, but later on it also included cows, chickens, and horses . As more Europeans flocked into the country, non-native species began to appear in the area. Often, as non-native species appeared it led to unintended consequences of destroying gra...
1These two populations are different species because they have different capabilities of performing in nature. For example there is behavioral isolation. My evidence for that is that in the data, it states that the average time spent in courtship display for the St. Kitts rodent is 12.6 seconds. While the courtship display for the Nevis Rodent is 21.3. You can see that there is a major difference in the way that they behave. Also there is another type of isolation which is gametic isolation. There is gametic isolation because the average gestation time for St. Kitts rodent is 29.3 days. The average gestation for the Nevis rodent is 42.7 days. Therefore a sperm from St. Kitts rodent wouldn’t survive in the reproductive tract of the Nevis rodent. It wouldn’t survive because it wouldn’t develop properly and is not accustomed to its environment. There is also another type of isolation happening with the rodents of St. Kitts. This type of isolation is called temporal isolation. There is temporal isolation because the article states, “the reproductive seasons are being delayed by up to one year.” This is talking about that the rodents are having a hard time finding mates therefore, their reproductive season is being delayed. Also in the article it states, “In the 240 attempts to bring a Nevis animal into the St. Kitts population, you are unable to observe a single successful reproductive event.” The rodents are mechanically isolated, because if you can’t have a reproductive event, there reproductive organs might not be matching with one another. Their appearance might look identical but they are genetically different.
Invasive species, (also known as invasive alien species or simply alien species) are defined as any organism (plant, animal, pathogen, or other living thing) that is alien (non-native) to an ecosystem, which can cause adverse economical, ecological, or health effects to native species and/or humans. The roots of these problems all stem from the massive negative ecological impact these organisms are having on the environment (CBD, 2009). For all animal extinctions where the cause is known since the 1600’s, invasive alien species have been a contributing factor 40% of the time (CBD, 2006); the second most contributing factor to extinctions after loss of habitat (GC, 2013). By eliminating native species through competition for resources, predation, and transmittal of disease, invasive species continue to reduce biodiversity in almost all ecosystems around the world (CBD, 2009). In the future, this problem may worsen, and if no action is taken, could lead to a cascading ecological problem so large that whole communities or even ecosystems could collapse.