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Natural Area Teaching Lab

Natural Area Teaching Lab. Erica Van Etten NATL graduate TA. 60 acre natural area on campus. 4 ecosystems. Wetlands. NATL east. NATL west. Upland Pine.

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Natural Area Teaching Lab

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  1. Natural Area Teaching Lab Erica Van Etten NATL graduate TA

  2. 60 acre natural area on campus

  3. 4 ecosystems Wetlands NATL east NATL west

  4. Upland Pine Upland pine ecosystem restored (1995-date)As illustrated and described elsewhere, NATL's upland pine ecosystem was choked with laurel oaks in 1995. By 2004, after six prescribed burns and the cutting or killing of hundreds of the invading oaks, the ecosystem was once more hospitable to the germination of the seeds of longleaf pines and the growth of their seedlings. 15 acres 13 being restored since 1995 2 left unburned

  5. Old Field Plots Old-field succession must be periodically interrupted to prevent the succession from reaching its endpoint, i.e., a self-sustaining community (hammock or upland pine in this case). The succession area is subdivided into plots (see map) that will be cleared and cultivated at 1-, 10-, or 40-year intervals. Units with the same period of rotation will be cleared and cultivated out of phase. For example, every five years one of the two 10-year plots will be cultivated. The 1-year plot will be cultivated only during years that none of the other plots is cultivated. This schedule will produce five representative successional states at all times. • 6 acres • 3 tilling schedules • 1, 10, & 40 year rotations • 5 succession stages

  6. Hardwood hammock 21 acres in NATL west Ephemeral ponds

  7. SEEP – Stormwater Ecological Enhancement Project • Retention basin re-contoured for SEEP (1998) BEFORE

  8. SEEP restoration 1998

  9. SEEP today Boardwalk trail completed 2008

  10. Nature trails & kiosks Basic & advanced trail guides

  11. Teaching facilities Academic pavilion Natural Area Park

  12. NATL west academic area • 22 acres closed to public • guidelines available online • Student projects • Short & long –term • Research

  13. NATL EAST • added in 2005 • 11 acres • ALL academic use only Central marsh

  14. 1997 2007 50-meter grid& photos NATL west photos 1997 & 2007 NATL east photos 2008 Grid-based photographic record of vegetation (1997, 2007-08)In January 1997, a photographic record was made of NATL by taking pictures to the north, east, south, and west at each grid intersection. This was repeated for NATL-west in 2007 and NATL-east in 2008.                                                                                                                                               Looking north from C10 N-S-E-W grid photos

  15. GIS Maps & photos – all online • Grid-based record of soils (2000)Dr. Mary E. Collins All pines mapped! Aerial photos LIDAR Elevation Contours

  16. Species lists online • Surveys of biota (1995-date)Higher plants, vertebrates, and many groups of invertebrates that occur in NATL have been surveyed and the results posted. Gryllus firmus

  17. Mini-grant program • Two $500 grants available • Individuals or groups • Enhance informational infrastructure • Research projects Species surveys Vegetational history

  18. Questions? http://natl.ifas.ufl.edu/ericavanetten@gmail.com

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