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  • Student Discussion on Patterns and Processes in Ecology

    Student Discussion on Patterns and Processes in Ecology

    Lecture

    (56 min 17 sec) The 2015 Holiday Lecture discussion session.

  • A Science-Based Approach to Restoring Gorongosa's Wildlife

    A Science-Based Approach to Restoring Gorongosa's Wildlife

    Scientist at Work

    (7 min 45 sec) Scientists from Gorongosa National Park relocate zebras from a nearby reserve as part of the effort to restore healthy wildlife populations.

  • Surveying Ant Diversity in Gorongosa National Park

    Surveying Ant Diversity in Gorongosa National Park

    Scientist at Work

    (7 min 46 sec) Conservation biologist Leeanne Alonso is surveying ant species Gorongosa National Park to monitor the health of the park’s ecosystems

  • Niche Partitioning and Species Coexistence

    Niche Partitioning and Species Coexistence

    Scientist at Work

    (8 min 14 sec) Professor Robert Pringle describes the cutting-edge method of DNA metabarcoding used to reveal how similar animals share resources.

  • Analyzing Patterns in the Savanna Landscape

    Analyzing Patterns in the Savanna Landscape

    Scientist at Work

    (7 min 57 sec) Mathematician-turned biologist Dr. Corina Tarnita describes the importance of termite mounds in a savanna ecosystem.

  • The Origin of Flight: What Use is Half a Wing?

    The Origin of Flight: What Use is Half a Wing?

    Scientist at Work

    (8 min 16 sec) Biologist Ken Dial's study of how young birds use their developing wings sheds light on the evolution of flight in birds.

  • The Science of Camera Traps

    The Science of Camera Traps

    Lecture

    (23 min 44 sec) A discussion of camera traps and their use in ecological research.

  • Conserving and Restoring Ecosystems

    Conserving and Restoring Ecosystems

    Lecture

    (25 min 21 sec) Two important questions in ecology are "How do we conserve ecosystems?" and  "When we try to restore damaged ecosystems, what state do we restore them to?"

  • Communities as Ecological Networks

    Communities as Ecological Networks

    Lecture

    (41 min 18 sec) Ecosystems include complex interactions between animals and plants, which can be measured experimentally and investigated using mathematical models.

  • Modeling Populations and Species Interactions

    Modeling Populations and Species Interactions

    Lecture

    (30 min 38 sec) Gorongosa National Park in Mozambique provides several examples for how to model the growth of animal populations and then check the models against actual data. 

  • How Species Coexist

    How Species Coexist

    Lecture

    (27 min 25 sec) Large herbivores in the African savanna coexist by partitioning ecological niches by time, space, and diet.

  • Patterns in Nature

    Patterns in Nature

    Lecture

    (35 min 51 sec) Regular spatial patterns abound in natural systems. Understanding how patterns arise in ecosystems provides insights into how these ecosystems function.

  • Africa's Savanna Ecosystems

    Africa's Savanna Ecosystems

    Lecture

    (24 min 56 sec) Savannas cover 20 percent of Earth’s surface and much of Africa. The patterns and processes that occur in this globally important biome illustrate core concepts in ecology.

  • Patterns and Processes in Ecology

    Patterns and Processes in Ecology

    Lecture

    What controls the numbers and distributions of animals in their environment? How do animals interact with other species? How do natural patterns arise in nature? Find out in the 2015 Holiday Lectures on Science.

  • Surveying Gorongosa's Biodiversity

    Surveying Gorongosa's Biodiversity

    Scientist at Work

    (8 min 24 sec) Biologists Piotr Naskrecki and Jennifer Guyton identify and record the diversity of species in Gorongosa National Park’s Cheringoma Plateau.

  • Tracking Lion Recovery in Gorongosa National Park

    Tracking Lion Recovery in Gorongosa National Park

    Scientist at Work

    (8 min 58 sec) See how scientists in Gorongosa National Park are using GPS satellite collars and motion-sensitive cameras to gather data about the recovery of the park’s lion population.

  • The Tool-Making Animal

    The Tool-Making Animal

    Scientist at Work

    (5 min 41 sec) Stone tools reveal a critical transition in the lives of our early human ancestors. 

  • Steve Palumbi & Megan Morikawa Study Coral Reef Damage in American Samoa

    Steve Palumbi & Megan Morikawa Study Coral Reef Damage in American Samoa

    Scientist at Work

    (7 min 1 sec) Field research on coral bleaching suggests possibilities for saving threatened reefs.

  • Saving Biodiversity Discussion

    Saving Biodiversity Discussion

    Lecture

    (57 min 28 sec) A sixty-minute discussion on biodiversity.

  • Dodging Extinction

    Dodging Extinction

    Lecture

    (31 min 12 sec) What steps can be taken to avoid the sixth mass extinction?

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