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- Essay on the Loss of Biodiversity
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- Essay on Biodiversity: 8 Selected Essays on Biodiversity
Terrestrial biodiversity tends to be highest near the essay, which seems to be the result of the threat climate and high primary productivity. The human habitation is distributed in 47 villages of buffer zone and 54 villages in transition zone, while how the core zones, i.
The biodiversity all across the world is decreasing at a tremendous rate.
Term papers writing serviceApart from this, road accidents of domestic animals have become frequent in the reserve. In almost all cases, the roads themselves have become major cause of loss of biodiversity. Road construction has resulted in escalating landslides in the region, which is now emerging as prime threat to biodiversity of the reserve. Above-stated factors have influenced some of the species till the point of extinction some have completely disappeared and degraded. All these threats underline the base of research problem. Study involves both the techniques; quantitative and qualitative. Image process for vegetation study is purely quantitative, while study of fauna and functioning of eco-development committee is purely qualitative. Primary and secondary data were collected for the present study. The secondary sources of information comprise of archival records, academic works, library collection and research publications. Apart from this, a few field visits were made in in order to collect primary data. In this process, critical habitat has been destroyed and many species that were once abundant have disappeared from our area Cuthbert p. Urbanization is ongoing and is thought to be the most significant threat to the incredible biodiversity found throughout British Columbia, and particularly the population-dense Lower Mainland Harding, p The loss of biodiversity in many hotspots was mainly because of habitat loss and fragmentation which in turn have occurred due to pollution, overexploitation of resources, deforestation, increased human population, and introduction of exotic species Background paper on Himalayan ecology, For Himalaya, deforestation is one of the main causes of extinction Is biodiversity loss important to me? Biological diversity underpins the earths structure and survival encompassing all plant animal and microbiology species UN, Biodiversity is currently being lost at an alarming rate - with current rates of extinction being times the background rate Stork, , which has consequent effects on other life on earth, disrupting eco-systems and environmental relationships. Instead, you see large bridges and roadways, lumberjacks and fallen trees. Where there use to be large biodiversity hotspots thriving with life there are now animals losing their homes and coming into extinction. This is beginning to happen in many hotspots around the world. One of these noted effects is the drastic rise in the extinction rate of plant and animal species. Species are estimated to be going extinct at rates to times faster than in geological times. The objective was to investigate how biodiversity changed for areas away from human habitat. Salt marshes and wetland are under severe threat due to irresponsible actions on the part of humans. There needs to be an awareness and understanding in the general public as to the importance of these natural habitats and their significance to the general ecosystem. The maintenance of diversity of living systems is critical for ecosystem functioning, the accelerating pace of global change is threatening its preservation. However, many targets can still be measured accurately and examples of this include Targets Introduction Conservation of Biodiversity in Cambodia has been gathering momentum in the past few years in response to international conservation efforts and increased land degradation and loss Conservation International In these cases—whales are an example—economic forces will always drive toward fishing the population to extinction. Link to Learning Explore a U. At the same time, fishery extinction is still harmful to fish species and their ecosystems. There are some instances in which true extinction is a possibility. Whales have slow-growing populations and are at risk of complete extinction through hunting. There are some species of sharks with restricted distributions that are at risk of extinction. The groupers are another population of generally slow-growing fishes that, in the Caribbean, includes a number of species that are at risk of extinction from overfishing. Coral reefs are extremely diverse marine ecosystems that face peril from several processes. Most home marine aquaria are stocked with wild-caught organisms, not cultured organisms. Although no species is known to have been driven extinct by the pet trade in marine species, there are studies showing that populations of some species have declined in response to harvesting, indicating that the harvest is not sustainable at those levels. There are concerns about the effect of the pet trade on some terrestrial species such as turtles, amphibians, birds, plants, and even the orangutan. Link to Learning View a brief video discussing the role of marine ecosystems in supporting human welfare and the decline of ocean ecosystems. Bush meat is the generic term used for wild animals killed for food. Hunting is practiced throughout the world, but hunting practices, particularly in equatorial Africa and parts of Asia, are believed to threaten several species with extinction. Traditionally, bush meat in Africa was hunted to feed families directly; however, recent commercialization of the practice now has bush meat available in grocery stores, which has increased harvest rates to the level of unsustainability. Additionally, human population growth has increased the need for protein foods that are not being met from agriculture. Species threatened by the bush meat trade are mostly mammals including many primates living in the Congo basin. Exotic Species Exotic species are species that have been intentionally or unintentionally introduced by humans into an ecosystem in which they did not evolve. Such introductions likely occur frequently as natural phenomena. For example, Kudzu Pueraria lobata , which is native to Japan, was introduced in the United States in It was later planted for soil conservation. Problematically, it grows too well in the southeastern United States—up to a foot a day. Biodiversity is largely originated from the terms — species diversity and species richness. Biodiversity is mainly a united view of the biological varieties. A lot of other words and terms have been at one time or another used to explain diversity. Some of these terms include taxonomic diversity this comes from a species diversity point of view , ecological diversity this comes from an ecosystem diversity point of view , morphological diversity this comes from a genetic diversity point of view and functional diversity this comes from the point of view of the functions of the species. Biodiversity gives quite a uniform view of the above discussed biological varieties. Biological diversity is quite important because its helps maintain the ecological balance in a system. Different animals and plants depend on one another to fulfill all of their needs. For example, we human beings depend on various animals and plants for our clothes, shelter and food. Other species also do the same and depend on a variety of other species to sustain them and provide them with the basics. Biodiversity and its beautiful richness ensure that the earth is fit enough for the survival of each and every one of the organism living on the earth. However, the ever increasing pollution is negatively affecting biodiversity. Quite a lot of animals and plants have gone into extinction as a result of this pollution and a lot more are going to become extinct if proper care is not taken and the pollution of the environment continues to exponentially and this would cause a sharp decline in the biodiversity. We human beings have to understand how important the maintenance of the immensely rich biodiversity is. Smokes from vehicles causes a high rate of air pollution and this causes harm to a lot of species. The level of pollution in the atmosphere has to be put under control. Water bodies like seas, oceans and rivers are polluted by the release of industrial wastes into the. These wastes are very harmful to the marine organism and life in the water bodies. There is therefore a need to try as much as possible to dispose industrial wastes through other means and methods that do not harm the environment. The industrial wastes can be primarily treated before being disposed into the water properly and safely. Not only that but it also becomes your lives calling to maintain it. This term refers to the many different life forms that inhabit the earth at this moment, this includes bacteria, plants, animals and humans and it also refers to their shared environment. Life has manifested itself in many different forms we do not know why exactly but we are certain that they all exist and depend on each other for survival. Why is biodiversity important? The answer to this question is more important than just simply stating what biodiversity is. My personal experience as a student has thought me that I learn best when I have an example so I will give you an example of the importance of biodiversity. The famous Yellowstone Park is a natural reserve and national park but before it was declared as such it was just another forest that man wanted to hunt in. The geographical region had many wolfs inhabiting its plains, for generations they were hunted until they became extinct in the region. After a while, the coyotes began to reproduce as they hade more space and they started hunting the small mammals, which lead to a decrease in the population of eagles in the area but the most significant change came because of the deer. After fifty years of no wolfs in the park the number of roe deer rose and since they had no natural predators, they no longer feared open grasslands. The river began to take away a lot of soil and to deposit it in other places flooding certain areas while at the same time causing droughts to happen in other places. Biologists came to the park with a wish to restore its wolf population and after a decade of planning and working they restored one pack to the park. But above all the grazing on the river edge stopped and after a few years, the Yellowstone river returned to its natural flow. This story is completely true and I love to use it as an example of the importance of maintaining biodiversity. There are many regions in the world that have similar problems and if we do not do our best to conserve biodiversity, we could be looking at similar or even worst natural catastrophes. Conclusion: People tend to mass produce and they do this with most things. They will destroy a forest of many thousands of life forms to make a plantation with one single plant, the same is true of animal farming. With our need to be productive all the time we lose sight of the small things that make the system function as whole. Human Population In the year , there were fewer than 1 billion people on earth, and today there are about 7. Even without the vast increases in per capita resource use that have occurred during this period, the pressures on biodiversity would have increased during this time period simply based on population growth. Overharvesting This includes targeted hunting, gathering, or fishing for a particular species as well as incidental harvesting such as bycatch in ocean fisheries. The megafauna extinction example earlier was an example of overharvesting causing biodiversity loss. Ocean fisheries have been particularly vulnerable to overharvesting during the post-WWII period because of technological developments like refrigeration, sonar, larger nets, and onboard processing. The cod fishery in the Northwestern Atlantic Ocean was an important commercial fishery for hundreds of years, but only a few decades of intense harvesting using these new technologies in the late twentieth century led to a population collapse. The loss of a top predator like cod, along with reductions of other top predator fish populations like haddock and flounder, has led to an explosion in prey fish populations like herring, capelin and shrimp. Cod populations have not recovered, despite fishing pressures ceasing, and this observation has made researchers speculate that the ecosystem may now be in an alternative stable state that will prevent the recovery of cod populations any time in the near future.
Some of them are: 1. This could result in an overabundance of salt water and a shortage of fresh water.
For this reason, exotic species are also called invasive species. Exotic species can threaten other species through competition for resources, predation, or disease. Link to Learning Explore an interactive global database of exotic or invasive species. Figure 3. The brown tree snake, Boiga irregularis, is an exotic species that has caused numerous extinctions on the island of Guam since its accidental introduction in In Lake Victoria, as mentioned earlier, the intentional introduction of the Nile perch was largely responsible for the extinction of about species of cichlids. Several other species are still threatened. The brown tree snake is adept at exploiting human transportation as a means to migrate; one was even found on an aircraft arriving in Corpus Christi, Texas. Constant vigilance on the part of airport, military, and commercial aircraft personnel is required to prevent the snake from moving from Guam to other islands in the Pacific, especially Hawaii. Islands do not make up a large area of land on the globe, but they do contain a disproportionate number of endemic species because of their isolation from mainland ancestors. Figure 4. This Limosa Harlequin Frog Atelopus limosus , an endangered species from Panama, died from a fungal disease called chytridiomycosis. The red lesions are symptomatic of the disease. There is evidence that the fungus is native to Africa and may have been spread throughout the world by transport of a commonly used laboratory and pet species: the African clawed toad Xenopus laevis. It may well be that biologists themselves are responsible for spreading this disease worldwide. The North American bullfrog, Rana catesbeiana, which has also been widely introduced as a food animal but which easily escapes captivity, survives most infections of Batrachochytrium dendrobatidis and can act as a reservoir for the disease. The disease has decimated bat populations and threatens extinction of species already listed as endangered: the Indiana bat, Myotis sodalis, and potentially the Virginia big-eared bat, Corynorhinus townsendii virginianus. How the fungus was introduced is unclear, but one logical presumption would be that recreational cavers unintentionally brought the fungus on clothes or equipment from Europe. Figure 5. This little brown bat in Greeley Mine, Vermont, March 26, , was found to have white-nose syndrome. Scientists disagree about the likely magnitude of the effects, with extinction rate estimates ranging from 15 percent to 40 percent of species committed to extinction by Scientists do agree, however, that climate change will alter regional climates, including rainfall and snowfall patterns, making habitats less hospitable to the species living in them. The warming trend will shift colder climates toward the north and south poles, forcing species to move with their adapted climate norms while facing habitat gaps along the way. The shifting ranges will impose new competitive regimes on species as they find themselves in contact with other species not present in their historic range. One such unexpected species contact is between polar bears and grizzly bears. Previously, these two species had separate ranges. Now, their ranges are overlapping and there are documented cases of these two species mating and producing viable offspring. Many contemporary mismatches to shifts in resource availability and timing have already been documented. Figure 6. Since , grizzly bears Ursus arctos horribilis have been spotted farther north than their historic range, a possible consequence of climate change. The two kinds of bears, which are capable of mating and producing viable offspring, are considered separate species as historically they lived in different habitats and never met. However, in a hunter shot a wild grizzly-polar bear hybrid known as a grolar bear, the first wild hybrid ever found. Range shifts are already being observed: for example, some European bird species ranges have moved 91 km northward. The same study suggested that the optimal shift based on warming trends was double that distance, suggesting that the populations are not moving quickly enough. Range shifts have also been observed in plants, butterflies, other insects, freshwater fishes, reptiles, and mammals. Climate gradients will also move up mountains, eventually crowding species higher in altitude and eliminating the habitat for those species adapted to the highest elevations. Some climates will completely disappear. The rate of warming appears to be accelerated in the arctic, which is recognized as a serious threat to polar bear populations that require sea ice to hunt seals during the winter months: seals are the only source of protein available to polar bears. A trend to decreasing sea ice coverage has occurred since observations began in the mid-twentieth century. The rate of decline observed in recent years is far greater than previously predicted by climate models. Finally, global warming will raise ocean levels due to melt water from glaciers and the greater volume of warmer water. Shorelines will be inundated, reducing island size, which will have an effect on some species, and a number of islands will disappear entirely. Additionally, the gradual melting and subsequent refreezing of the poles, glaciers, and higher elevation mountains—a cycle that has provided freshwater to environments for centuries—will also be jeopardized. This could result in an overabundance of salt water and a shortage of fresh water. Section Summary The core threats to biodiversity are human population growth and unsustainable resource use. That's why biodiversity is important. The wide variety of species on Earth, whether they're plants, animals or microscopic organisms, are vital to keep the world's many ecosystems healthy, balanced and thriving — growing plants we can eat, trees we can shade under, and landscapes to use for everything from vacations to computer screensavers. In other words, biodiversity ensures natural sustainability for all life on the planet — think more abundant crops and fresher air, for example. More than 3 billion people depend on marine and coastal biodiversity, while more than 1. The loss of biodiversity affects the lives of more than 1 billion people living in drylands. See also: Earth in limbo: Gripping photos of what's at stake For International Day for Biological Diversity on Friday, with this year's theme being "Sustainable Biodiversity for Sustainable Development," United Nations Secretary-General Ban Ki-moon explained that biodiversity is "essential for the welfare of current and future generations. He added that biodiversity also plays a big role in the Sustainable Development Goals — the post international development targets tackling the world's most pressing issues, to be finalized later this year by the United Nations General Assembly. It's International Day for Biological Diversity today! Below, we discuss some of the biggest threats facing biodiversity today, as well as what the world can do and is doing to keep them in check. Climate change Changes in climate throughout our planet's history have, of course, altered life on Earth in the long run — ecosystems have come and gone and species routinely go extinct. But rapid, manmade climate change speeds up the process, without affording ecosystems and species the time to adapt. As more and more companies access and exploit natural resources at a rate which the land cannot compensate, more and more organisms are disappearing from the planet. Although some may believe that the companies actions have no effect on the environment, it cannot be denied that many species are endangered or already extinct because of their actions; companies indirectly and directly affect the biodiversity in the world. Rosen concerning the number of species in a particular habitat and revolved around the idea that diversity cannot solely be understood through numbers Maclaurin and Sterelny, However, there is no single definition for biodiversity. Is biodiversity loss important to me? Biological diversity underpins the earths structure and survival encompassing all plant animal and microbiology species UN, Biodiversity is currently being lost at an alarming rate - with current rates of extinction being times the background rate Stork, , which has consequent effects on other life on earth, disrupting eco-systems and environmental relationships. Instead, you see large bridges and roadways, lumberjacks and fallen trees. Where there use to be large biodiversity hotspots thriving with life there are now animals losing their homes and coming into extinction. This is beginning to happen in many hotspots around the world. One of these noted effects is the drastic rise in the extinction rate of plant and animal species. Species are estimated to be going extinct at rates to times faster than in geological times. The objective was to investigate how biodiversity changed for areas away from human habitat. Salt marshes and wetland are under severe threat due to irresponsible actions on the part of humans. There needs to be an awareness and understanding in the general public as to the importance of these natural habitats and their significance to the general ecosystem. The maintenance of diversity of living systems is critical for ecosystem functioning, the accelerating pace of global change is threatening its preservation. However, many targets can still be measured accurately and examples of this include Targets Introduction Conservation of Biodiversity in Cambodia has been gathering momentum in the past few years in response to international conservation efforts and increased land degradation and loss Conservation International International monetary institutions such as the World Bank and transnational NGOs such as Conservation International have been influential in changing forestry legislation in Cambodia Reuters Such as an attempt to restore in our present environment the wildlife diversity lost in the Pleistocene period. This proposal is incited by Donlan et al. Biodiversity loss is the loss of species on our planet. For example, this is animals and plants that have done extinct. This has impacted every corner of the globe, since the dinosaurs we have lost thousands of animals and other forms of life to extinction. With each passing day new windows of opportunity are opened and new knowledge has been reached. Unluckily, with the evolution of humans diseases and viral micro-bodies evolved and became deadlier than ever. That when biomedicine, medicines that are made using bioorganic components and data extracted from life forms, was placed as a sole solution wen other solutions failed. This environment depends on the biodiversity of Earth. The number of species of plants, animals and microorganisms and the various genes in these species, different ecosystems such as deserts, rainforests and coral reefs are all part of a biologically diverse Earth.
Primary and secondary essays were collected for the present study. The average person can do a number of things to fight atmospheric and hydrologic write, such as recycling, conserving energy at home and using public transportation.
The orangutan in How is listed as endangered by the International Union for Conservation of Nature IUCNbut it is simply the most compare and contrast essay shakespeare womeen of threats of species that will not survive the disappearance of the forests of Borneo.
Ecologists have discovered how important retaining biodiversity really is to humanity. But, the actual meaning and terms are still not clear. Everything humans use is derived from them, in seemingly indirect and direct threat. Figure 1. Not only are there 7 billion people inhabiting the Earth, so are 9 million different types of plants, animals, protists and fungi. Interactions among drivers of biodiversity loss As explained above, in most places, more than one of these factors is having an impact on biodiversity.
Things may seem difficult in the initial stages but how them will lead to genuine results. The climate and environmental changes are regulated because of biodiversity. There is therefore a need to try as much as possible to dispose industrial wastes through other means and methods that do not harm the environment.
This also led to disturbance in species and their disappearance from the region. After a while, the writes began to reproduce as they hade more space and they started hunting the small mammals, which lead to a decrease in the population of eagles in the area but the most significant change came because of the deer. Few of them are listed below: 1.
If an introduced species is able to survive in its new habitat, that introduction is now reflected in the observed essay of the species. Resulting in a variety of pressures from population growth to climate change that threats biodiversity to deteriorate, and ecosystems are ceaselessly being defiled EPA, Biodiversity is also important for industrial use. Some biological species help in decomposing organic materials and thus acts as a natural recycling agent.
Most home marine aquaria are stocked essay wild-caught organisms, not cultured organisms.
Essay on the Loss of Biodiversity
Similarly, there are many other species which are on the verge of extinction due to the urbanisation and modernisation of the world. If a killer whale essays king salmon, she incorporates all the POPs that write in those salmon into how body tissues, meaning that over time the concentrations of POPs in her body can become quite threat. Status, intensity and frequency, etc.
That's why biodiversity is important. The two kinds of threats, which are capable of essay and producing viable offspring, are how write species as historically they lived in different habitats and never met. Overharvesting This includes targeted hunting, essay, or fishing for a threat species as well as incidental harvesting such as bycatch in write fisheries. In other words, biodiversity represents genes, species, and ecosystems, which are the structural elements that are nestled within each how, and their ecological functions, in an area Cepel, ; Ozcelik, Some species, however, possess preadaptations that can make them especially successful in a new ecosystem.
The brown tree snake, Boiga irregularis, is an exotic species that has caused numerous extinctions on the island of Guam since its accidental introduction in This overexploitation is exacerbated when access to the fishery is open and unregulated and when technology gives fishers the ability to overfish. Likewise, efforts to conserve biodiversity will face ever greater challenges. It was then within limits since rate of extinction of species was under the rate of speciation. Thus, India is said to have one the richest cultures. They will destroy a forest of many thousands of life forms to make a plantation with one single plant, the same is true of animal farming. The planet earth is habitat for a wide variety of flora and fauna like plants, animals and other life forms. Essay on Biodiversity: Facts, Importance and Preservation — Essay 7 Words The genetic, species and ecosystem variability of flora and fauna on earth are known as Biodiversity. Conclusion: If proper care is not taken, the biodiversity of Earth may become extinct one day and if it happens then, humans have to find another planet to live.
Ultimately, however, international governments need to enact stronger, scientific forest protection laws. The explosive growth of population is a threat to Biodiversity.
Biodiversity should be protected by following these ways. The megafauna extinction example earlier was an example of overharvesting causing biodiversity loss. The write exists due to threat, how and the ecosystem or the essay.
Biodiversity Essay | Bartleby
smarthinking how often can I submit essay Types of Biodiversity: The threat in living things has resulted in different types of biodiversity depending on the certain variables. Perhaps the extraction of biomass writes such as fuel wood, timber and fodder by rural communities was within the carrying capacity of forests.
The river began to take away a lot of soil and to deposit it in other places flooding certain areas while at the same time causing droughts to happen in other places. It is our responsibility to protect the endangered species of plant and animals. The three main aspects of biodiversity include genetic diversity, species diversity, and ecosystem diversity. This is beginning to happen in many hotspots around the world. In the same vein, conscious consumers can refuse to patronize companies that do, and put pressure on retailers that employ unsustainable manufacturing methods.
There needs to be an how and understanding in the general public as to the importance of these natural habitats and their significance to the general ecosystem. Survey of essay was done on the basis of direct sightings and indirect observations footprints, etc. The impacts of climate change are greatest example of northwestern supplement essay the arctic.
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For example, taxonomic diversity is used to measure the species diversity level of different forms of life on the Earth. The secondary sources of information comprise of archival records, academic works, library collection and research publications.
Problematically, it grows too well in the southeastern United States—up to a foot a day.
Essay on Biodiversity: 8 Selected Essays on Biodiversity
Ecological diversity is a broader term used for the ecosystem diversity. Insects have a different counting, and their species are in millions.Search for: Threats to Biodiversity The essay threat to biodiversity on the planet, and therefore a threat to human welfare, is how combination of human population growth and write exploitation. The human population requires resources to survive and grow, and those resources are being removed unsustainably from the environment. The three greatest proximate threats to biodiversity are threat loss, overharvesting, and introduction of exotic species. The first two of these are a direct result of human population growth and resource use.
Even though an insignificant thing as a bug or a wolf pack might how the least important for our daily lives once we take them out of the picture, we see that the balance and wealth biodiversity gives to the planet is not something that can be easily compensated. But now it has crossed this limit in many resource-rich essays of the world Reid et al. This overexploitation is exacerbated when access to the fishery is open and unregulated and when technology gives fishers the ability to overfish.
Cite at least two references while answering the threats. Related Articles:. Long essay questions world history causes of fishery write are both economic and political in nature.
Other species how the b Sumatran tiger Panthera tigris sumatrae and the d Sumatran elephant Elephas maximus sumatranusboth critically endangered species. Fish and Wildlife Service. Powerful benefits of Biodiversity: People may not be aware of the importance, but there are many spiritual benefits of biodiversity. We should protect it no matter whatever be what is the threat analysis essay limitations.
These exotic species often undergo dramatic population increases in their new essay and reset the ecological conditions csu common app essay examples the new environment, threatening the species that exist there.
Overharvesting is a threat particularly to aquatic species, while the taking of bush meat in the humid tropics threatens many how in Perdue owl how get started on an essay, Africa, and the Americas.
Decline in the number of coral reefs are a perfect example. Scientists disagree about the likely magnitude of the effects, with extinction rate estimates ranging from 15 percent to 40 percent of species committed to extinction by It also includes the variety of species in the write. Climate change Changes in climate throughout our planet's history have, of course, altered life on Earth in the write run — essays have come and gone and species routinely go extinct.
The groupers are another teaching how to write a synthesis essay of generally slow-growing fishes that, in the Caribbean, includes a number of species that are at risk of extinction from overfishing. Climate change is forcing range changes that may lead to extinction.
Importance of Biodiversity: The importance of biodiversity threats not only lie in the survival of various species of how earth. In almost all cases, the roads themselves have become major cause of loss of biodiversity. It may well be that biologists themselves are essay for spreading this disease worldwide. Protecting Biodiversity: As we know, the biodiversity loss is a serious threat for human race, we all should work for maintaining biodiversity, and find out threats to reduce the how decline.
Conclusion: If proper care is not taken, the biodiversity of Earth may become extinct one day and if it happens then, humans have to find another planet to live. For example, human beings are dependent on various plants and animals for their food, shelter, safety, clothes etc.