Chapter 9: Ecosystem Approach Variation of Forests in Their Age‚ Makeup‚ and Origins A. 2 Major Types of Natural Forests 1. Old-growth/ Primary -uncut/ regenerated forest that has not been seriously disturbed by human activities/ natural disasters for 200 years or more - reservoirs of biodiversity (provide ecological niches for a variety of wildlife species) 2. Second- growth - stand of trees resulting from secondary ecological succession B. Tree Plantation/ Tree Farm/ Commercial Forest
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tobacco are the main crops‚ the raising of cattle and sheep also one of the strongest areas of the country. Moreover‚ Kazakhstan is also famous with production of its high quality wool and meat. In addition‚ although country faced a few problems with overfishing‚ Caspian sea is still considered as one of the richest fishing grounds that gave an opportunity to develop famous caviar-producing sturgeon. The Kazakh Hills in the core part of the region which is famous for its mineral resources. Coal is mined
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In the documentary Food Choices‚ filmmaker Michal Siewierski explores the ways persons choose the food they eat. He takes a wider look of food related issues by going on a three-year journey to investigate the effect of food selection on a person’s well-being‚ the lives of the animal species and the health of our planet. This documentary scrutinizes the misunderstanding regarding food and diet. Siewierski spoke about the effects of having a healthy eating diet and an unhealthy one. The documentary
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Marine Organism Introduction( By Elaine) Good morning‚ everyone. We are very honored to stand here to make this presentation. Firstly‚ I’d like to introduce our partners to you. This is our group leader Diao‚ and this is A‚ B‚ C‚ D‚ E. Today we are going to talk about the marine organism. Firstly let`s guess what it is ‚ok ‚let me tell you ‚it`s a kind of jellyfish‚and its name is Bougainvillia superciliaris. You may know that 71% of the earth is ocean‚ but you may not know how many
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Envision light rippling through the water. Boats above you flowing through the beautiful blue water. Noises all around. Animals swimming around in groups and alone. You see whales‚ dolphins‚ etc. Well now you are entering the Pelagic Zone. How do they survive in all the challenges they face? They must adapt to their ecosystem if they want to survive. “ An ecosystem is a biological community of interacting organisms and their physical environment.” Water pressure is very low and temperature stays
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It was finished. At the local Kansas City Zoo there was a new exciting exhibit. Being told it was going to be for the majestic penguins. Not many foresaw the radiating shine of the Moon jellies swimming in their glimmering tank. Their unique resplendent glowing bodies propelled smoothly through the water. At sudden first glance these aquatic invertebrates seem like something from outer space. Though in reality they are a very common species of jellies that live in the temperate and tropical shallow
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Current and Future Status of Coral Reefs in Malaysia Abstract: Coral reefs‚ also known as the rainforest of ocean‚ are the most productive and biologically rich ecosystem on earth (McAllister‚ 1995). Coral reefs are an important source of food and income to millions of people that are living near coast (Burke‚ et al.‚ 2002). There are about 540 species of hard corals that have been identified in Malaysia in total and there are more than 90% of the country’s reefs are situated off the coast of
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environmental effects. For example‚ food production causes environmental damage from pesticides and fertilizers‚ soil salinization (salt content in soil)‚ waste produced by livestock‚ carbon emissions from food manufacturing and transportation‚ and overfishing (depleting the stock in a body of water). Health care facilities also have adverse environmental impacts. Hospitals use large quantities of electricity and fossil fuels and they also produce medical wastes. To prevent some diseases‚ it may be
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Click on thumbnail to buySome countries argue that whaling is necessary to maintain successful commercial fishing! They say that whales eat so much fish that if we kill whales lots of fish is saved in the oceans! Isn’t it better that we stop overfishing instead? Or look into other factors behind decreasing fish‚ such as pollution and habitat loss? If whales ate
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Alisa Chirco Chirco 1 WRT 160 January 11th‚ 2014 There are many issues that we as humans are currently faced with. Sylvia Earle brings to light many of those issues. Her work should be looked at closely by all as it stresses the importance of a clean ocean. There are many things that we need to change in our everyday lifestyle if we want to live in an unpolluted environment. Several major issues to consider are the amount of Polychlorinated Biphenyls (PCB ’s) that have been found in
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