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  • PlantEdDL - Search Results
    diversity of invertebrates in soil in different places or under different conditions Students generate their own More Info Low intensity fires increase cover and diversity in a pine understory This photograph depicts a pine understory following a low intensity fire Immediately following a surface fire the ground is black and covered with ash with a lifeless look But this condition is More Info Merriam s kangaroo rat Dipodomys merriami a dominant species among the desert rodent community at a long term study site in Portal Arizona Merriam s kangaroo rat Dipodomys merriami was the most dominant desert rodent species at the Portal Study site in Arizona for 23 of the 25 years from 1978 2002 In the early 1990s after the second More Info NCEP Exercise Exploring Amphibian Diversity and Strategies for its Conservation In order to familiarize students with amphibian diversity decline and conservation this exercise focuses on five key questions 1 What are amphibians 2 Are amphibians truly in a crisis 3 More Info NCEP Exercise Models and Endangered Species Management the Case of California Condors This hypothetical population modeling exercise for the California condor a highly endangered species allows students to predict the outcome of different management

    Original URL path: http://planted.botany.org/index.php?P=AdvancedSearch&Q=Y&G91=251&RP=5&SF=1&SD=&SR=20 (2016-02-01)
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  • PlantEdDL - Effects of Eastern Hemlock (Tsuga canadensis) on the Establishment of Interspecific Seedlings
    number of student projects have confirmed this pattern but none have been successful in determining the mechanism by which Eastern Hemlocks inhibit the other species Students design experiments to investigate 1 allelopathic effects of hemlock and 2 non allelopathic habitat differences e g light availability soil composition litter as explanations for differential seedling distribution Format html Primary or BEN resource type Laboratory exercise Discipline Specific Core Concepts Ecological Core Concepts Interspecific interactions Competition Ecological Core Concepts Interspecific interactions Ecological Core Concepts Communities Species composition abundance and diversity Ecological Core Concepts Communities Life science discipline subject Ecology Keywords allelopathy spatial competition seedling density distribution hypothesis experiment TIEE pedagogy student active inquiry based Key taxa Tsuga caroliniana Eastern hemlock Audience Undergraduate upper division 15 16 Undergraduate lower division 13 14 Intended End User Role Teacher Language English Educational Language English Pedagogical Use Description In this Experiment students observe spatial distribution patterns of woody seedlings beneath a mixed stand hemlock beech and maple forest Students design experiments to investigate allelopathic effects of hemlock and non allelopathic habitat differences and then spend 3 weeks inside and outside of lab periods collecting and analyzing data testing their hypotheses The activity encourages students to observe spatial

    Original URL path: http://planted.botany.org/index.php?P=FullRecord&ID=131&ReturnText=Search+Results&ReturnTo=index.php%3FP%3DAdvancedSearch%26Q%3DY%26G91%3D251%26RP%3D5%26SF%3D1%26SD%3D%26SR%3D10 (2016-02-01)
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  • PlantEdDL - Effects of Plant Biodiversity on Ecosystem Productivity within a Savannah Grassland Community
    Dataset 2 allows a test of the sampling effect hypothesis and the Bonus Dataset provides an opportunity for and open ended exercise Format html Primary or BEN resource type Dataset Discipline Specific Core Concepts Ecological Core Concepts Ecosystems Production and respiration Ecological Core Concepts Ecosystems Ecological Core Concepts Communities Species composition abundance and diversity Ecological Core Concepts Communities Life science discipline subject Ecology Keywords TIEE pedagogy student active inquiry based prairie grass savannah biodiversity productivity grassland functional group Cedar Creek biomass Audience Undergraduate upper division 15 16 Undergraduate lower division 13 14 Grades 9 12 Intended End User Role Teacher Language English Educational Language English Pedagogical Use Description This Dataset provides a hands on opportunity for students to examine relationships in experimental datasets and think about about larger questions about biodiversity in light of their conclusions for this particular experiment Using Datasets 1 and 2 students hypothesize the possible reasons for the observed effect including sampling effects and niche differences among species and examine the challenges and implications of extrapolating these experimental data to biodiversity loss in general Students discuss their hypotheses analysis interpretation and conclusion orally and or in writing Note for 9 12 Audience Data set 1 is

    Original URL path: http://planted.botany.org/index.php?P=FullRecord&ID=150&ReturnText=Search+Results&ReturnTo=index.php%3FP%3DAdvancedSearch%26Q%3DY%26G91%3D251%26RP%3D5%26SF%3D1%26SD%3D%26SR%3D10 (2016-02-01)
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  • PlantEdDL - Eucalyptus trees (Eucalyptus largiflorens) killed by prolonged flooding of the Menindee Lakes to create storage reservoirs.
    diversity of habitat which is lost when the water levels are rarely reduced by a drought Plants such as eucalyptus trees that previously provided complex microhabitat and breeding sites can no longer live on the floodplain when it remains flooded and droughts are rare Because low waterbird diversity was also observed at lakes with high drought and low flooding and diversity was highest at intermediate levels of variability water levels in Australian floodplain lakes support the intermediate disturbance hypothesis This photograph originally appeared on the cover of Ecology 85 9 in September of 2004 Format jpeg Primary or BEN resource type Photograph Discipline Specific Core Concepts Ecological Core Concepts Human impacts Habitat destruction Ecological Core Concepts Human impacts Ecological Core Concepts Communities Species composition abundance and diversity Ecological Core Concepts Communities Disturbance assembly and succession Ecological Core Concepts Communities Life science discipline subject Ecology Keywords flood disturbance intermediate disturbance hypothesis habitat loss diversity biodiversity habitat diversity bird waterbird floodplain hydrology reservoir Key taxa tree eucalyptus Eucalyptus largiflorens Audience Undergraduate upper division 15 16 Undergraduate lower division 13 14 Intended End User Role Teacher Language English Educational Language English Pedagogical Use Description This photograph could be used to illustrate flooding disturbance

    Original URL path: http://planted.botany.org/index.php?P=FullRecord&ID=180&ReturnText=Search+Results&ReturnTo=index.php%3FP%3DAdvancedSearch%26Q%3DY%26G91%3D251%26RP%3D5%26SF%3D1%26SD%3D%26SR%3D10 (2016-02-01)
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  • PlantEdDL - Search Results
    given data to assess which areas in a landscape are important areas for bat conservation Students will identify potential areas of importance on a map prioritize More Info NCEP Exercise The Importance of Invertebrate Biodiversity How can habitat affect biodiversity In this exercise students design and perform an experiment that helps them investigate the effects of habitat complexity on biodiversity in aquatic communities In particular students will glue More Info NCEP Exercise What is Biodiversity A Comparison of Two Spider Communities In this exercise students first classify to morphospecies a sample of spiders for five forest patches and then construct indices of richness diversity endemism and community similarity for all More Info Pathways to Scientific Teaching Chapter 5b of 7 Learning through peer assessment Ecological succession is driven by disturbance both natural and human induced and change occurs at multiple scales both temporal and spatial Understanding the mechanisms involved in succession More Info http ecoed esa org index php P AdvancedSearch Q Y FK 22Pa Patterns and process in Landscape Ecology Physical template biotic interactions and disturbance regime Ecological processes and patterns interact at various scales across landscapes Spatially explicit consideration of pattern and process can better inform ecological questions

    Original URL path: http://planted.botany.org/index.php?P=AdvancedSearch&Q=Y&G91=251&RP=5&SF=1&SD=&SR=25 (2016-02-01)
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  • PlantEdDL - Search Results
    cellulose microfibrils Important for the structure and support of the plant human culture has been forever changed by More Info http www chaoticgardening com relevant stem a fiber runs Rocky intertidal community containing a keystone species This photo shows a typical marine intertidal community along coastal California The orche sea star Pisaster orchaceaus a classic example of a keystone species maintains diversity of molluscs More Info Tables Data for Tree Community Comparison Using Sample Plots These Tables are a Microsoft Excel file of Diameter at Breast Height DBH and species identification of trees in paired 20 x 20 m plots collected by students in my Ecology class over five years More Info The effects of bison grazing on plant diversity in a tallgrass prairie Konza Prairie LTER How does grazing by bison affect plant community diversity This TIEE Data Set introduces students to biodiversity and the concepts of richness evenness and diversity indices It contains three More Info The Floristic Relay Game A Board Game to Teach Plant Community Succession and Disturbance Dynamics This game introduces students to the concept of succession and plant community dynamics Students learn that plant communities are dynamic they change over time and space and

    Original URL path: http://planted.botany.org/index.php?P=AdvancedSearch&Q=Y&G91=251&RP=5&SR=30&SF=1&SD= (2016-02-01)
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  • PlantEdDL - Urban to Rural Gradients – Exploring Trends in Organismal, Community and Ecosystem Ecology
    The exercise is firmly grounded in the ecological literature and emulates a typical scientific study in that first it focuses on a review of the literature and suggest some possible urban rural patterns and then concentrate on empirical studies that try to test the existence or mechanisms underlying the patterns Three specific papers that provide especially clear examples of urban rural studies at the organismal squirrel behavior community plant diversity and ecosystem soil organic matter dynamics levels are used Students use the literature to design their own projects and do a scientific presentation of their results at the end of the project Format doc Primary or BEN resource type Laboratory exercise Secondary resource type laboratory exercise Field activity Discipline Specific Core Concepts Ecological Core Concepts Communities Species composition abundance and diversity Ecological Core Concepts Ecosystems Ecological Core Concepts Human impacts Ecological Core Concepts Individuals Behavior Ecological Core Concepts The science of ecology Scientific method and experimental design Life science discipline subject Ecology Keywords urban ecology rural to urban gradients GUD urban heat island Audience Undergraduate upper division 15 16 Intended End User Role Teacher Language English Educational Language English Pedagogical Use Description This exercise works well toward the latter end

    Original URL path: http://planted.botany.org/index.php?P=FullRecord&ID=462&ReturnText=Search+Results&ReturnTo=index.php%3FP%3DAdvancedSearch%26Q%3DY%26G91%3D251%26RP%3D5%26SF%3D1%26SD%3D%26SR%3D35 (2016-02-01)
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