Field Notes
U.S. Fish & Wildlife Service
Field Notes Entry   
Students Conduct Tree Planting and Invertebrate Sampling at Laguna Atascosa NWR's Bahia Grande Unit
Southwest Region, May 21, 2007
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On May 21, 2007, seventy 5th grade students from Dishman Elementary (Brownsville, TX) and several University of Texas Brownsville (UTB) marine biology students, planted black mangroves on the Bahia Grande Unit of Laguna Atascosa NWR.  The 5th grade students were split up into two large groups. One half planted mangroves, while the other half conducted invertebrate sampling.

The 5th grade students, with the assistance of the UTB students, spent four hours planting mangroves along the edge of a bank to stabilize the area to prevent further erosion and conducting sediment and water sampling.  UTB students waded in the water carrying large nets to collect sediment and then the UTB students identified and explained the various aquatic species collected. The 5th grade students had the opportunity to measure, touch, and draw everything they observed.  Then, the two groups switched areas, so that all of the 5th grade students would have the opportunity to plant black mangroves and to learn invertebrate sampling techniques. The school will continue to grow mangroves this fall and next spring the two groups will return to the Bahia Grande Unit to plant additional mangroves.

Contact Info: Martin Valdez, 505-248-6599, martin_valdez@fws.gov
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