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Showing 1-73 of 73 Resources
  • Living Rocks

    Living Rocks

    Image of the Week

    A nursery of microbialites emerging from a microbial mat along the edge of a thermal stream flowing from a hot spring in Yellowstone National Park

  • Model Microbiome

    Model Microbiome

    Image of the Week

    A section of the colon of a germ-free mouse colonized with fifteen different species of bacteria characteristic of the human gut.

  • Walk On

    Walk On

    Image of the Week

    One of the last wolf pups born on Isle Royale National Park in 2009.

  • Fountains of Life

    Fountains of Life

    Image of the Week

    Densely packed endosymbiotic bacteria (Endoriftia persephone) in the trophosome of a tube worm living in a deep-sea hydrothermal vent.

  • BiomeViewer

    BiomeViewer

    Click & Learn

    An interactive to explore biomes, climate, biodiversity, and human impacts across the globe.

  • With A Little Help From My Microbiome

    With A Little Help From My Microbiome

    Image of the Week

    Koalas are able to spend most of their lives in the relative safety of eucalypt trees by virtue of a digestive system adapted to eating their leaves.

  • Fellow Travelers

    Fellow Travelers

    Image of the Week

    The human body is home to some thirty-nine trillion microbes that live in or on it.

  • Benefits of Schools

    Benefits of Schools

    Image of the Week

    Being in a school affords young barracuda several advantages over the solitary life.

  • Modeling Trophic Cascades

    Modeling Trophic Cascades

    Activity

    Students use cards of animal and plant species to model trophic cascades. Species examples are drawn from seven different habitats to test student understanding.

  • Single Mother

    Single Mother

    Image of the Week

    A queen bee may produce as many as 60,000 offspring during her lifetime.

  • Trophic Cascades in Salt Marsh Ecosystems

    Trophic Cascades in Salt Marsh Ecosystems

    Scientists at Work

    (10 min 1 sec) Ecologist Brian Silliman uses manipulative field experiments to reveal that salt marsh ecosystems are under top down control from consumers and predators.

  • Riverine Food Webs – How Flow Rates Affect Biomass

    Riverine Food Webs – How Flow Rates Affect Biomass

    Scientists at Work

    (9 min 15 sec) Ecologist Mary Power studies the Eel River in Northern California to figure out the connection between river flows and biodiversity.

  • Ecology, Food Webs, and the Chesapeake Bay

    Ecology, Food Webs, and the Chesapeake Bay

    Lecture

    (49 min 3 sec) A discussion of the Chesapeake Bay Watershed, its complex food web, and the challenges of conserving and restoring the bay.

  • Snail Fronts and Salt Marsh Die-Offs

    Snail Fronts and Salt Marsh Die-Offs

    Data Point

    Researchers studied whether periwinkle snail fronts expand mudflats and contribute to salt marsh die-offs.

  • Lionfish Invasion

    Lionfish Invasion

    Image of the Week

    Two species of lionfish, the red lionfish (Pterois volitans) and the common lionfish (Pterois miles), have been established as invasive species off the East Coast of the United States and in the Caribbean.

  • Tracking Global Changes in Forest Cover

    Tracking Global Changes in Forest Cover

    Data Point

    Researchers used satellite imagery analyze the amount of forest that was lost annually across the globe between 2000 and 2012.

  • Sharklab

    Sharklab

    Image of the Week

    A team of scientists from The Bimini Biological Field Station collecting samples from a male tiger shark (Galeocerdo cuvier).

  • Relish the Cranberry

    Relish the Cranberry

    Image of the Week

    Most of the cranberries used for Thanksgiving dinner are “wet harvested” by flooding cranberry marshes.

  • Climate Stress and Coastal Food Webs

    Climate Stress and Coastal Food Webs

    Lecture

    (43 min 18 sec) We are in the midst of a major die-off of coastal wetlands – what is to blame?

  • Floods, Droughts, and Food Chains

    Floods, Droughts, and Food Chains

    Lecture

    (44 min 27 sec) How a river's community of herbivores and predators is affected by changes in river flow.

  • Untangling Salt Marsh Food Webs

    Untangling Salt Marsh Food Webs

    Lecture

    (45 min 16 sec) The revelation that salt marshes are controlled by top-down forces of herbivores and other consumers.

  • Trophic Cascades in Rivers

    Trophic Cascades in Rivers

    Lecture

    (44 min 27 sec) How fishes in a river ecosystem play a critical role in forming the aquascape.

  • Ecology of Rivers and Coasts—Food Webs and Human Impacts

    Ecology of Rivers and Coasts—Food Webs and Human Impacts

    Lecture

    Two leading ecologists describe the complex interactions between species and their environment in aquatic ecosystems. 

  • Dead Zones in Coastal Ecosystems

    Dead Zones in Coastal Ecosystems

    Data Point

    Researchers overlaid the locations of more than 400 hypoxic systems linked to eutrophication on a map of the global “human footprint.”

  • Exploring Trophic Cascades

    Exploring Trophic Cascades

    Click & Learn

    This interactive explores examples of what can happen when there are changes in the population size of one species in an ecosystem. How are species at other trophic levels affected? How does the ecosystem change?

  • Human Impacts on Biodiversity

    Human Impacts on Biodiversity

    Activity

    In this activity, students will use trail camera data to answer a scientific research question about the impacts of humans on species diversity in Gorongosa.

  • Discovering Keystone Species

    Discovering Keystone Species

    Poster

    This classroom poster illustrates Robert Paine’s pioneering experiment that demonstrated the importance of top-down regulation of ecological communities by predators and led to his coining of the term keystone species.

  • Film Guide for Some Animals are More Equal than Others

    Film Guide for Some Animals are More Equal than Others

    Film Guide

    The following classroom-ready resources complement the film Some Animals Are More Equal Than Others: Trophic Cascades and Keystone Species. It tells the story of the bold experiments by Robert Paine and James Estes, which established the importance of keystone species in regulating ecological communities and the cascades of effects set in motion by their removal.

  • Metabarcoding

    Metabarcoding

    Clip

    (3 min 38 sec) Dr. Rob Pringle introduces a new method of studying herbivore diets by extracting plant DNA from animal dung.

  • Niche Partitioning

    Niche Partitioning

    Clip

    (4 min 13 sec) Dr. Rob Pringle introduces the concept of niche partitioning with examples drawn from the African savanna.

  • Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades

    Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades

    Short Film

    (19 min 29 sec) Keystone species and trophic cascades are fundamental concepts in ecology. This short film tells the story of how these concepts were first established through the pioneering experiments of two young researchers: Robert Paine and James Estes.

  • Scientific Inquiry Using WildCam Gorongosa

    Scientific Inquiry Using WildCam Gorongosa

    Activity

    In this activity, students will be guided through the investigation of a scientific question, using data from trail cameras in Gorongosa National Park.

  • Building Ecological Pyramids

    Building Ecological Pyramids

    Activity

    In this activity, students will build biomass pyramids depicting trophic levels of various habitat types using data from trail cameras in Gorongosa National Park.

  • Measuring Biodiversity in Gorongosa

    Measuring Biodiversity in Gorongosa

    Activity

    In this activity, students will calculate species richness, evenness, and the Shannon diversity index for various habitat types using data from trail cameras in Gorongosa National Park.

  • Cheese Pi

    Cheese Pi

    Image of the Week

    Colonies of bacteria from the rind of a cave-aged cheese, cultured on a petri dish.

  • 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

    Scientists 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. Download the accompanying worksheet (PDF) for students to complete as they watch the video.

  • Surveying Ant Diversity in Gorongosa National Park

    Surveying Ant Diversity in Gorongosa National Park

    Scientists 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

  • Termite Activity Enhances Ecosystem Productivity and Stability

    Termite Activity Enhances Ecosystem Productivity and Stability

    Animation

    Termite activity increases soil moisture and nutrient accumulation, strengthening African savanna ecosystems.

  • Gorongosa: Scientific Inquiry and Data Analysis

    Gorongosa: Scientific Inquiry and Data Analysis

    Activity

    In this activity, students will be guided through the investigation of a scientific question, using data from ongoing research in Gorongosa National Park.

  • Twinkle, Twinkle Little Desmid

    Twinkle, Twinkle Little Desmid

    Image of the Week

    These tiny star-shaped organisms are single-celled, freshwater green algae called desmids.

  • Resistance to Coral Bleaching

    Resistance to Coral Bleaching

    Data Point

    To test whether corals can become more resistant to bleaching, Dr. Steve Palumbi and colleagues performed a series of experiments in the U.S. National Park of American Samoa off of Ofu Island.

  • Gorongosa: Using Citizen Science to Study Ecology

    Gorongosa: Using Citizen Science to Study Ecology

    Short Course

    This course connects you to actual ecological research in Gorongosa National Park in Mozambique. Gorongosa was once a thriving national park, until decades of war decimated the park’s large...

  • Lesson 8 - WildCam Gorongosa: Data Analysis

    Lesson 8 - WildCam Gorongosa: Data Analysis

    Activity

    In this activity, students will collect actual data from WildCam Gorongosa and use those data to create graphs and answer an ecological question of their choice.

  • Lesson 7 - Observations Across Habitats

    Lesson 7 - Observations Across Habitats

    Activity

    In this lesson, students will compare wildlife in two different habitats by making observations using sets of trail camera photos. They will then use these observations to formulate questions for further study.

  • Lesson 6 - Biomes and Landscapes

    Lesson 6 - Biomes and Landscapes

    Activity

    In this lesson, students will use an interactive map of Gorongosa National Park to learn about biomes. They will then explore E.O. Wilson’s Life on Earth iBook to learn about the varied landscapes and vegetation types in Gorongosa.

  • Lesson 4 - Gorongosa's Food Webs

    Lesson 4 - Gorongosa's Food Webs

    Activity

    In this lesson, students will learn about how food webs are constructed and trophic levels in an ecological community. They will then use animals that they identify in WildCam Gorongosa to construct food chains and food webs, and study the impacts of disturbances.

  • Lesson 3 - Scientific Inquiry with WildCam Gorongosa

    Lesson 3 - Scientific Inquiry with WildCam Gorongosa

    Activity

    In this lesson, students will use WildCam Gorongosa to start making observations and generating scientific questions using a single trail camera photo.

  • Lesson 2 - Gorongosa National Park

    Lesson 2 - Gorongosa National Park

    Activity

    In this lesson students will learn about the history of Gorongosa National Park and the ongoing restoration effort through readings and videos.

  • Lesson 1 - WildCam Gorongosa

    Lesson 1 - WildCam Gorongosa

    Activity

    In this lesson students will learn how to use WildCam Gorongosa and get introduced to some of the animals in the park.

  • Coral Fluorescence

    Coral Fluorescence

    Image of the Week

    Most corals contain proteins that emit light, or fluoresce, when light shines on them.

  • A Predator in the Plankton

    A Predator in the Plankton

    Image of the Week

    The comb jelly (Beroe cucumis) uses its large mouth and cilia-powered motor to prey upon members of the plankton family, including other ctenophores.

  • Niche Partitioning and Species Coexistence

    Niche Partitioning and Species Coexistence

    Scientists 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. Film and worksheet also available in Spanish.

  • Analyzing Patterns in the Savanna Landscape

    Analyzing Patterns in the Savanna Landscape

    Scientists at Work

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

  • Gorongosa: Making Observations Activity

    Gorongosa: Making Observations Activity

    Activity

    In this activity, students will use trail camera photos from WildCam Gorongosa to make observations and ask scientific questions as part of the scientific process.

  • 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.

  • 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.

  • Modeling Ecosystem Effects of Termite Mound Patterns

    Modeling Ecosystem Effects of Termite Mound Patterns

    Data Point

    Dr. Corina Tarnita and colleagues studied how a pattern of termite mounds across a dryland ecosystem enhances resilience against desertification.

  • Mozambique Mounds

    Mozambique Mounds

    Image of the Week

    Termite mounds in central Mozambique appear as regularly spaced islands of dark-green vegetation in a sea of grassland. 

  • iTunes U Course: Gorongosa: Using Citizen Science to Study Ecology

    iTunes U Course: Gorongosa: Using Citizen Science to Study Ecology

    Click & Learn

    This iTunes U course teaches concepts in ecology and scientific inquiry through a citizen science project in Gorongosa National Park, Mozambique.

  • Fungus-Cultivating Termites of the African Savanna — Ecosystem Engineers

    Fungus-Cultivating Termites of the African Savanna — Ecosystem Engineers

    Poster

    The poster for the 2015 Holiday Lectures on Science, Patterns and Processes in Ecology, illustrates how termites enhance the productivity and stability of African savanna ecosystems.

  • Creating Chains and Webs to Model Ecological Relationships

    Creating Chains and Webs to Model Ecological Relationships

    Activity

    Students use cards to build model food webs and evaluate how ecological disturbances affect each trophic level. Also available in Spanish.

  • Exploring Biomes in Gorongosa National Park

    Exploring Biomes in Gorongosa National Park

    Activity

    Gorongosa National Park in Mozambique is a region with high ecological diversity that encompasses two distinct biomes. This activity introduces students to the concept of biomes in conjunction with the Gorongosa National Park interactive map click and learn

  • Supporting the Ecosystem

    Supporting the Ecosystem

    Image of the Week

    Pikas are small mammals related to rabbits that can only live in cold climates, either at high latitude or high elevations in North America and Asia.

  • Life and Pi

    Life and Pi

    Image of the Week

    Many groups of organisms, including some diatoms, are radially symmetrical, and look like circles when seen end on. 

  • Liz Hadly Tracks the Impact of Climate Change in Yellowstone

    Liz Hadly Tracks the Impact of Climate Change in Yellowstone

    Scientists at Work

    (7 min 28 sec) Ecosystems in the world-famous national park are threatened by warming temperatures.

  • Gorongosa National Park Interactive Map

    Gorongosa National Park Interactive Map

    Click & Learn

    This interactive map of Gorongosa National Park allows users to explore different features of the park, including key components of the conservation strategy. 

  • Winogradsky columns: Microbial ecology in the classroom

    Winogradsky columns: Microbial ecology in the classroom

    Activity

    An activity that recreates zones of microbial activity in a glass column. To accompany the lecture series Changing Planet: Past, Present, Future.

  • Philippines Biodiversity

    Philippines Biodiversity

    Clip

    (2 min 8 sec) The Philippines archipelago is rich in marine biodiversity, including venomous octopus and venomous snails.

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