celebrate 2010 as the International Year of Biodiversity‚ a sad realization dawns that even amongst the educated the term biodiversity suffers from a lack of absolute clarity. Biodiversity is the degree of variation of life forms within a given ecosystem or an entire planet. It is a measure of the health of biological systems Industrialization has caused a major dent in biodiversity due to loss of plant and animal habitat.India‚ with it’s tropical monsoon type of climate has a rich biodiversity but
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together in an ecosystem. First let’s describe the producers‚ these are plants and trees the produce energy into the ecosystem. Next the consumer‚ there are three different types herbivores (deer)‚ carnivores (birds)‚ and omnivores (bears). Then the last category is decomposers‚ which happen to be like a consumer but they feed off animal dropping and dead organisms. This way it can break down and return the nutrients to the soil. They all complete a cycle which in returns works with the ecosystem making
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that have an impact on the quality of Earth’s natural resources‚ including soil‚ water‚ and the atmosphere. 2. RELATIONSHIP BETWEEN RESOURCE USE & SUSTAINABLE DEVELOPMENT - Sustainable development provides for human needs while preserving the ecosystems that produce natural resources. - renewable resources • water‚ wind‚ etc. - non-renewable resources • oil‚ coal‚ etc. 3. HOW HUMAN ACTIVITIES AFFECT SOIL & LAND - Farming can lead to pollution - Agriculture and Forestry help sustain
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ENVIRONMENTAL MANAGEMENT Questions for Critical Thinking 1. Explain the importance of making environmental security a key priority of governments. The government should give importance in making environmental security for the benefits of its countryman. The people should make feel secure and aware if they live in a protected place. One of the important security awareness that the government have is having the geo hazard map. Geohazard map is a geological state that represents or has the
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that initiates or accelerates the recovery of a damaged‚ degraded‚ transformed or entirely destroyed ecosystem‚ mainly to its structural and functional integrity and sustainability‚ as a result of direct or indirect human activities which may involve physical‚ chemical or biotic challenges. Ecosystem can benefit from ecological restoration. There are a few ways it is important to the ecosystem. It can help to stop biodiversity loss. It also helps to provide human society with a wealth of essential
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Critically evaluate the consequences of anthropogenic disruption of trophic cascades in terrestrial ecosystems. Throughout the biological history of the earth various mass extinction events have occurred (2) in which worldwide biodiversity greatly declined. Currently‚ we are in the process of the sixth mass extinction (3) which unlike those before it‚ is characterised be the loss of large bodied species and more specifically the loss of apex consumers (4.5). Furthermore; current extinctions are
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expand and reproduce on their own (Forest Management). This means that they have the ability to compete with native species and other native plant communities. Non-native invasive species affect natural ecosystems negatively by completely taking over all other plants. This can unbalance the ecosystem and harm animals as well as nearby plants. They can also spread exotic diseases to other plant life. 46% of the federally listed threatened and endangered species of plants in the United States are considered
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to a just desert. The just desert theory is a practical concept that purports a punishment is needed to preserve the social equity disturbed by crime; however‚ the level of punishment should be fitting with the crime. The Just desert model suggests that retribution justifies punishment because individuals deserve what they received for past deeds‚ but punishment based on deterrence is wrong because it involves an offender’s future actions‚ which cannot be predicted. Under the just desert theory the
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forests. This has resulted in a considerable decrease in rainfall in some places‚ and floods in others. The world temperatures are rising because of the decrease in the tee cover. It is said that in olden days‚ Rajasthan was not the desert it is today. It has become a desert because of the cutting down of tree cover. Man has just begun to realize the importance of plants. Plants are the lungs of the world‚ and without them‚ all species of life are bound to perish. The only way we can save these faithful
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Ecosystem which consists of all the organisms living in a particular area‚ as well as all the nonliving‚ physical components of the environment with which the organisms interact‚ such as air‚ soil‚ water‚ and sunlight. It is all the organisms in a given area‚ along with the nonliving (abiotic) factors with which they interact; a biological community and its physical environment. The entire array of organisms inhabiting a particular ecosystem is called a community.] In a typical ecosystem‚ plants
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