1. a) Describe the externalities that are shown in Figure 3.1 as a result of human economic activities. b) Connect the concept of externalities to market failure and illustrate with an example. (pp. 43-45) a – The externalities in this illustration are‚ as in most cases found “downstream” the main one here is the polluted river as a result of a few causes. The farm is causing pollutants to enter the stream and flow down river‚ as well as‚ the uncontrolled erosion taking place and
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Humans have been associating with ecosystems and changing them for as long as the start of human life. An ecosystem is a community of species and their non-living environment working in cohesion. Ecosystems at risk‚ such as The Amazon rainforest and the GBR are those which are heavily affected by change and if altered they require a long time to return to their former state. Human activities such as fishing‚ tourism and deforestation have had huge impacts on the balance of these ecosystems. The
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The natural world is seemingly perfect‚ a multitude of entities exist that allow complex life forms to survive‚ while permitting various species to live alongside each other. The environment allows for biodiversity to take place; this factor allows for many forms of life to exist in harmony‚ also allowing for genetic variations of various species to survive. Since humans have been introduced into the environment‚ we have desired to maintain control of our surroundings by forcing nature to work for
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terms of the relative wildness maps ability to help identify suitable areas of rewilding‚ its benefits are limited. It helps identify the perceived wildest areas but the idea of rewilding is to improve areas that are not already ‘wild’ to benefit biodiversity. The idea of rewilding also has so much more factors than just the current wildness of the landscape as shown in the second part of the study. It can‚ however‚ be useful when used alongside these factors. When creating the wildness map there were
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Chapter 18 Summary/Notes Conservation of Biodiversity Modern Conservation Legacies * The world is in a sixth mass extinction (the biodiversity is declining at a rapid rate) * Causes are mostly by human activities * Habitat destruction * Overharvesting plant and animal populations * Results in growing interest in conserving biodiversity by setting aside areas that are protected from any human activities * Establishing national parks‚ national monuments‚ national
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comments and appraisals of his political rivals and critics‚ is a political idol without a shadow of doubt. The nature of respect he commands throughout Gujarat is awe-inspiring. And after the end of Vajpayee era‚ he is the lone warrior standing tall in the NDA camp‚ often giving sleepless nights to the UPA government. He can retain the chair of CM of Gujarat as long as he wishes and presumably there is no one in the state who can give him even a close fight. But that’s not the point. The point is‚ can
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case‚ governments play a vital role in managing most of human activities to ensure that their impacts on environment are at the acceptable level. In every country‚ legislation‚ policies are developed by governments‚ for example‚ environment law‚ biodiversity law‚ directives‚ etc. However‚ in reality governments are not the ones involved in EM because EM is not only to ‘solve the environmental problems by simply adding a few new directives” (European Comission n.d). In a broader scope‚ EM demands multidisciplinary
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RAINFOREST- Mt. Waialeale‚ Kauai‚ Hawaii Biotic and Abiotic Factors Unique Characteristics Bengal Bamboo Curare Bengal Tiger Chimpanzee Dawn Bat year round warmth average humidity is 77-88% typically near the equator contains the highest biodiversity most trees are tall with large leaves TEMPERATE GRASSLANDS-Williston‚ North Dakota Biotic and Abiotic Factors Unique Characteristics Bison Prairie Dogs Broom Sedge Shrubs Cattail In areas surrounding the equator Contain mostly
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Human intervention are both advantageous and disadvantageous to the biodiversity of the Felidae family. The way human intervention affects each of the following species of the family are explained below. CHEETAHS Cheetahs are endangered and even extinct in many areas today largely due to human intervention. Human beings have taken over much of the cats’ habitat and killed off the prey that the cheetahs hunt for food. People have also killed many cheetahs directly. By the early 1970’s‚ the fur trade
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with notes on the ecology of rain forest species. Journal of East African Natural History 88:17-24. Clausnitzer‚ V.‚ 2003. Dragonfly communities in coastal habitats of Kenya: indication of biotope quality and the need of conservation measures. Biodiversity and Conservation 12: 333- 356. Clark‚ TE; Samways‚ MJ. 1996. Dragonflies (Odonata) as indicators of biotope quality in the Kruger National Park‚ South Africa. JOURNAL OF APPLIED ECOLOGY 33: 1001- 1012. CORBET‚ P. S.‚ 1962: A Biology of Dragonflies
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