perceived as an ecosystem (see Figure 1.1). An ecosystem is everything in a specified area - the air‚ soil‚ water‚ living organisms and physical structures‚ including everything built by humans. The living parts of an ecosystem - microorganisms‚ plants and animals (including humans) - are its biological community. Ecosystems can be any size. A small pond in a forest is an ecosystem‚ and the entire forest is an ecosystem. A single farm is an ecosystem‚ and a rural landscape is an ecosystem. Villages‚
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All ecosystems have the ability to withstand stress. They are able to resist being disturbed or altered and will restore themselves to their original condition if not disturbed too drastically. There are both natural and human induced stresses. An ecosystem is the dynamic complex interaction of plant‚ animal and microorganism communities and their non-living environment as a functional unit. Ecosystems include the biotic (living) and abiotic (non-living) elements of the environment and the relationships
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Singleton 2 While our ecosystem does exist‚ without dramatic changes‚ we can speak of the objects without contradicting anything in it. The existence of the ecosystem is contingent on human society‚ it is very important that we acknowledge that. The people that play one of the most important roles are the environmental scientists. They describe the ecosystem and in the correct management of the ecosystem‚ but we miss the importance of the human role in the environment
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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
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Invasive Aquatic Animal Effect on their New Ecosystem What are Invasive Animals? An invasive species is a plant‚ fungus‚ or animal species that is not native to a specific location (an introduced species)‚ and which has a tendency to spread to a degree believed to cause damage to the environment‚ human economy or human health(https://en.wikipedia.org/). When an invasive species moves into a new environment ‚ it changes the food pattern‚ growth production‚ and the environment conditions
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Conservation 2 Earth is composed of many different ecosystems and each one is a “dynamic complex of plant‚ animal‚ and micro-organism communities interacting with the non-living environment as a functional unit" (Protecting Threatened Ecosystems‚ 2004). These ecosystems are an intricate part of the human lifecycle as they provide us with our water‚ food and energy. Since mankind is in a take and take some more relationship with the ecosystems‚ many of them have had their natural processes disrupted
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sources‚ including terrestrial‚ marine‚ and other aquatic ecosystems and the ecological complexes of which they are part ; this includes diversity within species‚ between species and of ecosystems’ (Hambler‚ C.‚ 2004‚ 11). Within planet earth today Biodiversity forms the foundation for the vast array of ecosystem services that critically contribute to human well being. It is as important in human managed ecosystems as well as natural ecosystems (Hambler‚ C.‚ 2004‚ 15). To begin to understand Biodiversity
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BIOLOGICAL DIVERSITY Definition • Full variety of life on Earth • The study of the processes that create and maintain variation • Variety of individuals within populations • Diversity of species within communities • Range of ecological roles within ecosystems • Genetic diversity • Species diversity • Diversity of environment & habitat Three Major Areas Three Levels LEVELS OF BIODIVERSITY Genetic diversity • Variety of genetic information in all individuals ( plants‚ animals and microorganisms)
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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 witnessed degradation in recent years is Galapagos which
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species in each ecosystem as we plan human activities that affect the use of the land and natural resources. 1. Species diversity 2. Ecosystem diversity Biodiversity 3. Genetic diversity Study aim: Investigate the natural and artificial ecosystems to understand the relationship between the components (e.g plants‚ animals‚ microorganisms‚ soil‚ light‚ and humidity) in each ecosystem‚ the physical factors and the differences between these two ecosystems. Location:
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