Essays Tagged: "Ecosystems"

Discussion paper on the use of traditional knowledge by the Inuit(eskimo to americans)with regards to wildlife managment.

eep you alive. Traditional Knowledge is an understanding and reverence that native people have with ecosystems. It is often expressed in spiritual and cultural terms and rules, providing not only desc ... ription and reverence for natural resources but an ethical system for human behavior for sustaining ecosystems, including humans, for generations that will follow. Humans depend on ecosystems and huma ...

(16 pages) 140 0 4.3 Apr/2002

Subjects: History Term Papers

Principles of ecology

reasedunderstanding of landscape structures; and the ability to more accurately model landscapes andecosystems. Using fractal dimensions allows ecologists to map animal pathways without creating anunm ... is on the flow or movement oforganism, genes, energy, and resources within complex arrangements of ecosystems (Milne 1988).Landscapes exhibit non-Euclidean density and perimeter-to-area relationships ...

(13 pages) 173 1 4.8 Nov/1996

Subjects: Science Essays > Environmental Science

Energy Flow Systems

rgy flow systems. The energy flow model was utilized by the authors to explain relationships within ecosystems.Richard White's thesis is to examine the river as an organic machine, as an energy system ...

(6 pages) 66 0 4.1 Jan/1996

Subjects: Science Essays > Environmental Science

Geothermal Energy

name a few. Each one of these choices has its pros and cons. Hydroelectric power tends to upset the ecosystems in rivers and lakes. It affects the fish and wild life population. Nuclear energy is a ve ...

(19 pages) 219 1 4.8 Sep/1996

Subjects: Science Essays > Chemistry

Animal Cruelty

erved to treat animals as lesser individuals is beyond me. Animals are fulfilling their part in the ecosystems and communities of the earth, and to the best extent that they are able. For example, a s ...

(4 pages) 114 0 4.5 Jan/1997

Subjects: Social Science Essays > Controversial Issues > Animal Testing

The Causes and Effects of Global Warming

e that suggests it is occurring. It explains the effects of global warming, including the impact on ecosystems, animal species, plant species, and human species. The paper ends by offering possible so ... s. The Earth could see an increase in extreme weather and will have impacts on humans, animals, and ecosystems (Lutz 24, Godrej 4).There is a lot of uncertainty as to how much and how fast the climate ...

(11 pages) 697 1 5.0 Dec/2002

Subjects: Science Essays > Environmental Science

Sustainable developement of the Brazillian rain forest

any years ago) yet houses half of the earths plant and animal species, these species form their own ecosystems within the forests and hold their own particular niche. In total tropical moist forests r ...

(5 pages) 102 0 4.1 Dec/2002

Subjects: Science Essays > Forestry


s, and products for shelter.Other important benefits to humankind include the production by healthy ecosystems of drinkable water,clean air, and fertile soils. Predators that can help control pests an ... lp control pests and pollinators that are vital to agricultureare yet another product of biodiverse ecosystems. Finally, the primary reason that species becomeendangered is due to the loss or alterati ...

(1 pages) 142 0 4.6 Jan/2003

Subjects: Science Essays > Environmental Science


many other species in Florida have been lost due to our staggering development on all of Florida's ecosystems. Other stresses on our environment resulting from lack of proper growth management includ ... valuable rainforest. If the deforests continues, scientists estimate nearly all tropical rainforest ecosystems will be destroyed by 2030.Besides environmental damage, current population growth is also ...

(1 pages) 52 1 3.4 Jan/2003

Subjects: Science Essays > Zoology

Biology School Report- INCLUDES; biodiversity, palaeontology, megafauna, current research.

a knowledge of past environments and conditions which allows a better understanding of present-day ecosystems whic helps us to predict the human impact in present environments which leads to harmful ...

(2 pages) 53 0 4.6 Aug/2003

Subjects: Science Essays > Biology

Economic activity is conducted by separately identifiable units.

on:Economic activities are responsible, directly or indirectly, for most human impacts on the earth ecosystems ? and business operations today are conducted with too little thought as to their sustain ...

(8 pages) 141 1 3.2 Aug/2003

Subjects: Businesss Research Papers > Accounting

Amazon rainforest, past, present and future uses.

higher than average temperatures and yearly rainfall. Rainforests are the most biologically diverse ecosystems in the world, containing more than 50% of the worlds plant and animal species, yet only a ...

(9 pages) 136 0 4.3 Sep/2003

Subjects: Science Essays > Environmental Science

Everything you need to know about worms and perhaps some you didn't.

me is properly applied only to certain adult invertebrates.Worms play a major role in virtually all ecosystems. Some terrestrial worms condition the soil. Many worms are parasites of plants and animal ...

(6 pages) 45 0 3.0 Nov/2003

Subjects: Science Essays > Biology

Air Pollution.

surface of the Earth (Welburn 1). It not only affects people but also harms plants, animals and the ecosystems in which they live. It is changing the earth's atmosphere so that it lets in more harmful ... em. During the past fifteen years research on and understanding of air pollution effects on natural ecosystems have progressed significantly (Pitelka 1). By introducing environmentally friendly concep ...

(8 pages) 219 1 5.0 Nov/2003

Subjects: Science Essays > Atmospheric Sciences

This Essay clarifies the confusion of WHY biodiversity even exists!!

ife and well-being. The breadth of the concept reflects the interrelatedness of genes, species, and ecosystems.____________________________________________________________________________________Biolo ... , animals, and micro-organisms -- interacting with one another and with the physical environment in ecosystems -- form the foundation of non-stop development.New species are still being discovered--ev ...

(3 pages) 84 0 3.0 Dec/2003

Subjects: Science Essays > Biology

Acid Rain.

fall is slightly acidic due to dissolved carbon dioxide, picked up in the atmosphere. Organisms and ecosystems all over the planet have adapted to the slightly acidic nature of normal rain, and thus i ... buffering capacity and the soils are very shallow. The amount of damage to aquatic and terrestrial ecosystems is therefore dependant upon both the amount of acid deposition, and the type of soil and ...

(8 pages) 76 1 4.3 Dec/2003

Subjects: Science Essays

Acid Rain

It's Bringing Down Our Ecosystems "Acid rain is a term used to describe the acidity of wet and dry deposition" (Middleton 5 ... ition" says that acid deposition influences the environment in many ways. Acid rain affects aquatic ecosystems by lowering their pH level. Aquatic systems such as streams, lakes and ponds are affected ... ms, lakes and ponds are affected differently. It all depends on how they are set up. If the aquatic ecosystems are laid on bedrock or sediments that have a large amount of calcium or magnesium, they a ...

(6 pages) 62 1 4.0 Dec/2003

Subjects: Science Essays > Earth Sciences

AP Environmental Science HW Chp4

logists focus on trying to understand the interactions between organisms, populations, communities, ecosystems, and the biosphere. An organism is any form of life. A population consists of a group of ... ting with one another and with their nonliving environment of matter and energy. All of the earth's ecosystems together make up what we call the biosphere.3. The lithosphere is the earths crust and up ...

(3 pages) 67 0 1.0 Dec/2003

Subjects: Science Essays > Environmental Science

The goal of this research paper is to describe rain forests, demonstrate some of the causes and effects of deforestation, and explain what is already being done to prevent it.

tures year-round, abundant rainfall, and tall trees. They are the world's most biologically diverse ecosystems (Peters, 126a). Although they account for less than seven percent of the land surface on ... rcent of the rain forest's species live in the canopy or sub-canopy (Peters, 126a-126b).Rain forest ecosystems are some of the oldest in the world, and they contain more plant and animal species than ...

(6 pages) 103 1 3.4 Dec/2003

Subjects: Science Essays > Biology

"Biomes of the earth" Explains biomes, includes a detailed paragraph about each of the 7 biomes of the earth.5 1/3 pages long

s trees give way to short alpine vegetation in high mountainous regions.A biome is composed of many ecosystems, which are smaller communities of plants and animals and their habitats, the physical par ... t that affect them. Whereas, the boundaries of a biome are determined by climate, the boundaries of ecosystems are physical features, such as ridges or riverbanks, which separate one community from an ...

(4 pages) 61 1 4.4 Jan/2004

Subjects: Science Essays > Biology