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Budburst Protocol

Budburst Protocol. Goals for the Training Session. Provide an inquiry context for the data collection and science content Provide accurate science content Review procedures for data collection Review data entry and analysis Discuss classroom implementation ideas

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Budburst Protocol

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  1. Budburst Protocol Draft 2005

  2. Goals for the Training Session • Provide an inquiry context for the data collection and science content • Provide accurate science content • Review procedures for data collection • Review data entry and analysis • Discuss classroom implementation ideas • Collect feedback from participants Draft 2005

  3. Inquiry Context • When does budburst occur for the dominant tree species? • How does budburst differ between different tree and shrub species within a forested study area? • How does budburst vary year to year for the same species? • Which environmental factors most affect the timing of budburst on a particular species? Draft 2005

  4. Local Inquiry Example Draft 2005

  5. Why do GLOBE scientists research budburst? • To calculate growing season length and monitor interannual changes in growing season duration • To determine how environmental conditions such as air and soil temperature, soil moisture, and day length affect plant growth • To monitor the nature and extent of climate change and its effects on plants and animals • To help interpret satellite observations of greenness Draft 2005

  6. Science Content: What is Budburst? Dormancy is a state of suspended growth and metabolism. Budburst is the emergence of new leaves (photosynthetically active foliage) on plants, which signals the beginning of a new growing season cycle. Dormant Bud Budburst Draft 2005

  7. Instruments: Budburst • GPS Receiver • Local Tree Identification Guide • Flagging Tape & Marker • Binoculars (optional) Draft 2005

  8. The Measurements • Budburst Study Site Definition • GPS Measurement • Tree/Shrub Species • Budburst Protocol • Date buds burst on 3 or more places of the same plant Draft 2005

  9. Collecting Data: Field/Lab Guides & Data Sheets Field/Lab Guides: • Budburst Site Definition Field Guide • GPS Protocol or Offset GPS Protocol Field Guide • Budburst Protocol Field Guide Data Sheets: • Budburst Site Definition Sheet • GPS Investigation Data Sheet • Budburst Protocol Data Sheet Draft 2005

  10. Collecting Data: Budburst Study Site • Site Selection • At least 2 weeks before budburst • Convenient location • Native trees that are minimally watered or fertilized are preferred • Tree Selection • Identify dominant tree species • Choose measurement strategy • Dominant overstory species • More than one overstory species • Overstory and/or understory species • Flag at least two trees from each species Draft 2005

  11. Collecting Data: Budburst Protocol • Observe selected trees at least two weeks prior to budburst • Visit twice a week, initially until budburst appears anywhere on tree • Visit daily until budburst is seen on three separate locations of each tree Draft 2005

  12. Enter Data on the GLOBE Web SiteBudburst StudySite Definition Step 1: Select “Define a Budburst Study Site” from the Phenology data entry menu Step 2: Enter the Study Site information Step 3: Click “Send Data” Step 4: Confirm data entries on verification page Draft 2005

  13. Enter Data on the GLOBE Web SiteBudburst Protocol Step 1: Confirm that the budburst study site definition is complete Step 2: Select “Budburst” from the Phenology data entry menu Step 3:Enter the year & chose the site you defined Step 4: For each tree, enter the date of budburst and the date of last observation prior to budburst Step 5: Confirm data entries on verification page Draft 2005

  14. Apr-30 Apr-26 Apr-22 Apr-18 Looking at the Data Draft 2005

  15. Classroom Implementation • Inquiry • Curriculum/Standards Alignment • Assessment • Classroom Management Draft 2005

  16. Getting Started • The GLOBE Web site has information http://www.globe.gov • GLOBE Help Desk or your Country Coordinator can support you as you get started. • Get your students involved doing real science! Draft 2005

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