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Ecosystem Essay Examples

Essays on Ecosystem

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Research of Bioaccumulation and Biomagnification

PROCEDURE The pile of M&M’s represents the phytoplankton population in a lake. The printed “M” on the candy represents the amount of DDT (in ppm) the algae ingested from pesticide runoff from a nearby agricultural area. There are 100 M&M’s in the pile. Each circle below represents on phytoplankton. Mark the amount of toxin each phytoplankton has ingested. If there is a full “M” stamped on the candy then that phytoplankton has ingested 1 ppm of DDT, so write “1”…...

Food Web Case Study

A food web is a type of graph that depicts the relationship between the prey and the predators, also known as a system of food chains and how one another are related. This can be better explained as a connection in a community. Food webs are important because it is a direct illustration of the relationships among certain species within a certain community. Right away the graph will reveal the type of species, what they interact with, the structure in…...

Threats to biodiversity hotspots

Referring to examples, discuss the threats to biodiversity hotspots and why these threats could prove critical (15 marks) Biodiversity hotspots are areas in the natural environment that contain some of the biggest concentration of flora and fauna in the world, often containing many rare and endangered species. However many of these ecosystems are threatened by the likes of climate change, increased urbanisation/land use and tourism developments which can prove critical for the wellbeing of their environment. One area that has…...

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Ecosystem-Based Management

Introduction Ecosystem-based management (EBM) is a great tool to protect not only the environment, but to do it in a way that is not detrimental to humans or the economy. Traditional environmental movements have for the most part been a failure since they advanced the environment at the expense of the economy and of humans. However, we cannot continue in this same manner or else we will live in a world that is too polluted to live in. One of…...

An Introduction To Ecology And The Biosphere

1. Define ecology. 2. Describe the relationship between ecology and evolutionary biology. 3. Distinguish between abiotic and biotic components of the environment. 4. Distinguish among organismal ecology, population ecology, community ecology, ecosystem ecology, and landscape ecology. 5. Clarify the difference between ecology and environmentalism. Interactions between Organisms and the Environment Limit the Distribution of Species 6. Define biogeography. 7. Describe the questions that might be asked in a study addressing the limits of the geographic distribution of a particular species.…...

Food Chain Length

Food chain in a Swedish lake. Osprey feed on northern pike, which in turn feed on perch which eat bleak that feed on freshwater shrimp. A food chain is a linear sequence of links in a food web starting from a trophic species that eats no other species in the web and ends at a trophic species that is eaten by no other species in the web. A food chain differs from a food web, because the complex polyphagous network…...

Field Trip Report: Arbi Falls

The second field trip for Batch No: 1 on 30.01.2013 was to a water fall named “Arbi water-falls”. Our bus left us on the top of the plateau of Dasrath Nagar from where we had to walk down the steep slope of the plateau to get to the fields. We had to cross a swift stream of water which was very transparent and cold. We walked through the dykes, sort of no-man’s land made out of mud marking the boundary…...

Deforestation Paragraph

Deforestation is the process whereby natural forests are cleared through logging and/or burning, either to use the timber or to replace the area for alternative uses. Deforestation occurs around the world, though tropical rainforests are particularly targeted. Countries with significant deforestation currently or in the recent past include Brazil, Indonesia, Thailand, the Democratic Republic of Congo and other parts of Africa, and parts of Eastern Europe, according to UNEP collaborating center. Forests are cut down for many reasons, but most…...

Biomes of the earth

A Biome is all of the life zones, all plants, animals, and other organisms, as well as the physical environment in a particular area. A biome is characterized by its plant life, which is determined by its location. For example, northern coniferous forests exist in sub-arctic portions of North America and Asia, but further north, the conditions are simply too harsh and the season too brief for trees to grow. Instead of trees, the short vegetation of the tundra thrives…...

The Balance Of Nature

This paper will be about the balance of nature between plants and animals. It will also state how complex their ecosystems are. This paper will be informative in the areas of the balance of nature itself, plant and animal interactions, and changes in the ecosystem. Living things or organisms provide each other with substances necessary for life, and a proper balance between plants and animals is needed to maintain life (1, p.246d). Ecology is the study of interrelationships of organisms…...

The Importance of Ecosystem

Recent growth in scientific knowledge has helped humanity comprehend the complex relationships in ecosystems and the devastating effects of human interference. As a result we have become increasingly aware of the need to protect and manage the ecosystems that we do have remaining for their utility, genetic, intrinsic and heritage values and also for the need to allow natural change and thus evolution to take place. Natural ecosystems have provided much that has been of benefit to humanity and with…...

Primary and Secondary Succession

Ecosystems are environments where biotic (living) organisms and abiotic (non-living) components interact together to create a functional, complex network of nutrient and energy cycling. These balanced environments take time, sometimes many years, to develop. During the course of development, species are replaced by other species within the ecosystem, a process known as succession. Primary succession happens when species grow in locations where organisms have never previously existed. Secondary succession occurs after an ecosystem disturbance. The basic difference between primary and…...

Biogeochemical Cycles

The relationships between agriculture and nature have always been painful. While agriculture and animal breeding were the reliable sources of plant and animal food, nature was suffering the consequences of human unreasonable approaches to fertilization. Fertilizers that contain high amounts of nitrogen and phosphorous compounds have altered the earth’s natural biogeochemical cycles. The intensification of plankton growth and formation of toxic ammonia gradually lead to the destruction of the whole aquatic ecosystems on the planet. Biogeochemical Cycles Introduction The relationships…...

Ecological Succession

Ecology is the scientific study of interactions among organisms and their environment. In relation to The Lion King, ecology is the circle of life. Ecological succession can change a community by making exponential changes to the ecosystem over time, symbiotic relationships are important in maintaining a stable ecosystem because they provide competition, parasitism, mutualism, and commensalism to have balanced populations, and the impact of a change in the food web would be drastic to the ecosystem because one change can…...

Forest and Virtual Nature Walk

First, take a walk through a forest, think about the last time you did so, or take a virtual nature walk or research a specific forest on the internet. Based on this experience, write a response that includes the following: A list of at least six different components (living and non-living) you observed in the forest ecosystem. Your opinion regarding the health of the forest. Be specific, describing the observations used to form this opinion about the forest. A description…...

Environmental Science and Human Populations Worksheet

Using the textbooks, the University Library, or other resources, answer each of the following questions in 100 to 200 words. 1. What would you include in a brief summary on the history of the modern environmental movement, from the 1960s to the present? Rachel Carson, an author, brought to light the harm in using a pesticide called DDT. The pesticide was sprayed to control Dutch elm disease, a fungus that kills trees. The pesticide accidentally killed birds and other wildlife…...

Ecological Pyramids Worksheet

1. Give one example of a food chain that exists in nature. Grass-mouse-snake-hawk 2. In an ecological pyramid, what happens to energy, biomass and # of species as you move up? Why? They all decrease because energy is lost as it moves up each trophic level. Each trophic level requires more energy to sustain it, increasing competition for resources and causing number of organisms to drop. 3. What is biomass? Biomass is the total mass of dry organic matter per…...

The Ecosystem of Big Bend National Park

Big Bend National Park preserves a portion of the Chihuahuan Desert, an ecosystem that goes largely unprotected in Texas and Mexico. The park encompasses shrublands, grasslands, high-elevation woodlands, and riparian areas. Big Bend National Park Major Biotic Components • Large mammals such as Black Bears, Mountain Lions, Coyotes, Mule Deer and Whitetail deer inhabit Big Bend National Park • Smaller mammals also inhabit the park, such as jackrabbits and approximately 20 different species of Bats to include the endangered Mexican…...

Climate Change and Tropical Biodiversity

In this review article, Brodie et al. expose a different approach to looking at the effects of global climate change on tropical biodiversity. An abundant amount of literature does, in fact, address the direct effects of climate change on biodiversity in the tropics. Brodie et al. argue, however, that while these efforts are extremely important and notable for current and future conservation efforts, little attention is devoted to perhaps a no-less considerable factor – how does climate change impact synergistic…...

Biodiversity as a Result of Ecosystem

Biodiversity presents occurrence of variety of species and their natural community in which they live. By the definition it is “The degree of variation of life forms within a given species, ecosystem, biome, or an entire planet. It is a measure of the health of ecosystems and is in part a function of climate.” (Rutherford) Ecosystem is on the other hand, “ community and its abiotic environment”( Rutherford). Biodiversity exists in every ecosystem, weather it is big one, or just…...

A Balanced Ecosystem - An Aquarium

The term ecosystem describes both the living and non-living components of an area that interact with one another. All the components are inter-dependant in some way with each other. An ecosystem may be aquatic or terrestrial. In an aquatic ecosystem rocks are needed for shelter and plants provide oxygen for fish. An ecosystem is balanced when the natural animals and plants and non-living components are in harmony- i.e. there is nothing to disturb the balance. With increasing pollution, change in…...

The Effects of Deforestation on Our Environment

Deforestation can cause many societal and environmental problems which can make our lives on earth even more challenging. Some of these challenges include: loss of biodiversity, the destruction of forest- based societies and climatic disruption. According to the 1992 United Nations Earth Summit in Rio Janeiro, biodiversity may be defined as, “the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are a part. Although tropical…...

Daphnia Ecotoxicology Lab Report

Introduction Ecosystems have a way of maintaining themselves under ordinary conditions but when a new factor is added that will most likely threaten the environment action needs to be put forth. Our environment is affected by many pollutants on a daily bases forming a threat to natural stability. For example some of the most polluted parts of the environment are bodies of water like that explained in our lab. Once pollution occurs animals can be affected in many ways even…...

General Principles of Ecology

The term ecology refers to the study of abundance and circulation of living organism in an ecosystem, together with the interaction that exists in between them and the natural environment. The distribution of organisms is typically influenced by the adjustment of a certain organism to the environment. An adjustment describes an organism's capability to exist effectively in a given environment. Therefore, organisms can just exist in environments that they are adjusted to. When a given species of animal or plant…...

Conservation of Biodiversity

Introduction Biodiversity also known as biological diversity is the existence of a wide variety of species (species diversity) or other taxa of plants, animals, and micro organisms in a natural community or habitat, or of communities within a particular environment (ecological diversity) or of a genetic variation within a specie (genetic diversity). (Oxford dictionary of biology). The root of concern for conserving biodiversity are increased loss of species, increased rates of deforestation and soil erosion, shifting of global climate due…...

Forest Ecosystem

A forest, also referred to as a wood or the woods, is an area with a high density of trees. As with cities, depending on various cultural definitions, what is considered a forest may vary significantly in size and have different classifications according to how and what of the forest is composed? These plant communities cover approximately 9. percent of the Earth's surface (or 30 percent of total land area), though they once covered much more (about 50 percent of…...

Evaluate the Importance of Ecosystem Management and Protection

Evaluate the importance of ecosystem management and protection Every living thing on Earth belongs to an ecosystem. An ecosystem can be as small as a puddle or as large as an ocean. No matter its size, every ecosystem is vital to life on Earth, and requires human respect, support, management and protection. The term "ecosystem" refers to a community of plants and animals that share a common space and common resources, and are all dependent on one another for survival.…...

Ecological Succession. References:Allen, T. (1988),Cunha, Rui.(2006).

As long as the earth has existed, changes have occurred in the natural landscape. Ecology, a term created in the 19th century from the Greek “ oikos” (household) and “logos” (study), is the study of nature as an orderly system of interaction between plants and animals with their environments. (Allen, 4).      These changes in the ecological system are called ecological succession. They are usually orderly changes in the composition or structure of an ecological community, and are the foundational…...

Reaction Paper: Film About Life The Forest Has

The film that we watched showed what kind of life the forest has and how large diversity of life inhabits in it. The trees are not only the living things that exist in it but many kinds of animals and insects as well. Life in the forest is so rich and there are many biotic forces that strive hard just to survive. Trees for example, need light for making food and getting energy but since they are too many in…...

External Factor Are Affecting the Ecosystems

The word ecosystem refers to the combined physical and biological components of an environment; these organisms form complex sets of relationships and function as a unit as they interact with their physical environment. Ecosystems are constantly changing naturally, and they’ve got a specific and stable climax, equilibrium. Living as well as non-living factors may have an impact in an ecosystem such as the impact of humans in ecosystems by hunting, fishing, agriculture etc. r climate change may affect an ecosystem…...

Ecosystem

In this paper, I will be sharing facts on the major structural and functional dynamics of the ecosystem of Tallgrass Pririe Preserve in Pawuska, Oklahoma. I will share information pertaining to how humans have affected biogeochemical cycles in this ecosystem and how knowledge about that ecosystem's structure and function can help or has helped to develop plans for its management and restoration. This paper will reveal only a short synopsis of the many facts pertaining to this very nteresting ecosystem.…...

Biodiversity and Ecosystem

a. Round 1 = In this round I removed lichens from the ecosystems. This would have a huge effect on the ecosystem because they play a role in the creation of soil where plants obtain nutrients. If they are taken out it can affect trees and flowers which affect bees, because they depend on them. This also effect humans that depend on the bees for honey and the fruit that the bees help pollinate. b. Round 2 = In this…...

Aligning Profitability and Sustainability

Aligning Profitability and Sustainability: Nike BY lucy78 Aligning profitability and sustainability A central issue that companies grapple with as they try to become more sustainable is how and to what extent they adopt this as part of their corporate strategy. Nike faces the same dilemma as it builds on the success of the 'Considered' initiative while simultaneously encountering challenges implementing the ethos across the entire brand. How far can and should Nike go in "considering the right thing and doing…...

The Amazon Rainforest

The Amazon rainforest is the largest, most diverse, and beneficial ecosystem in the world. The Amazon rainforest region is a tropical rainforest located in the northern part of the South America continent, it stretches across the countries of Brazil, Bolivia, Ecuador, Peru, Colombia, Venezuela, Suriname, French Guiana and Guiana. Serving as the world’s largest specie rich biome, the rainforest offers the world many different types of benefits. Yet the effects of societies under appreciation for it has took a toll…...

We have learned that ecosystems not unlike a woven sweater can begin

We have learned that ecosystems, not unlike a woven sweater, can begin to unravel when a single thread is pulled out, states James J. Tutchton in an article about the importance of the Endangered Species Act. The Endangered Species Act (ESA) is a law enacted in 1973 to help stop endangered species of plants and animals from reaching extinction (Easton 81). A topic of controversy today is whether the ESA is actually working and if it is causing harm to…...

Assessment of Chemical properties of soils from Different ecosystems located in HyderabadPraveen

Assessment of Chemical properties of soils from Different ecosystems located in HyderabadPraveen Kumar.Y1*, Rajakumar.R1, Sunil Kumar.M21Research Department of Biotechnology, Marudupandiyar College, Thanjavur-6134032Department of Microbiology, ERF Labs, Hyderabad.Abstract:Nutrients present in the soil are most important elements required for the soil fertility and plant growth. These nutrients require plants in adequate proportions. This study was conducted to evaluate the Chemical properties of selected areas in outer side of Hyderabad " agricultural, organic farming, forest and industrial area. The variables tested included PH,…...

The Significance of the Wolf

In this report I will elaborate on the significance of the wolf through the past, present and future. The wolf is an important animal because it plays a very important role within the natural environment. Wolfs are located in many regions and territories within Canada and are well known to all people in Canada, but in the province of Alberta they have their own significance also. Prior to contact with European settlers, wolves have been native to North America through…...

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