UGA BIOL 1108 - EcosystemsEcology (4 pages)

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EcosystemsEcology



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EcosystemsEcology

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Pages:
4
School:
University of Georgia
Course:
Biol 1108 - Principles Bio Ii

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BIOL 1108 Edition 1nd Lecture 24 Outline of Last Lecture I Learning Objectives II Community III Competition IV Symbiosis V Succession VI Species Diversity VII Trophic Interactions and Structure Outline of Current Lecture I Learning Objectives II In The News III Ecosystem IV Thermodynamics V Productivity VI Energy Transfer VII Biogeochemical Cycles Current Lecture I Learning Objectives Describe energy flow and nutrient cycling through an ecosystem relative to organisms living there These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute II III IV V Describe productivity via trophic levels In The News Why did the mountain lion cross the freeway Highway causes mountain lion populations to interbreed and lead to health problems Male mountain lions would kill their sons as sexual competition and mates with daughters Natal dispersal young individuals would leave their birth homes to find mates Genetic diversity of mountain lions in S California study sites o One individual can make a huge difference in the gene pool within small populations Big or small roads affect all o Many species use underpasses to travel o Strong correlation between noise level and carnivores o Overpasses grass on them o Also affects fish Roads can have an impact of wildlife traffic mortality habitat loss population subdivision inaccessibility o Animals tend to stay away from cars and loud noises Connectivity having a corridor from one area to another For all kinds of organisms o How do roads affect Individual organisms Populations communities ecosystems ect Ecosystem What is an ecosystem o Organisms and abiotic factors that interact within a given area including the energy flow and nutrient cycling and the structures formed by these processes Thermodynamics 1st Law of Thermodynamics Energy cannot be created or destroyed only transferred or transformed o Therefore we can follow energy flow from input to



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