2012 CREST Annual Report - Alabama A&M University

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suggested between two to four times greater areas of potential distribution (51 to 99%) whencompared with models based on the regional FIA data (12 – 44%) and regional GBIF data (23 – 41%).Given the limitations of only using climate and elevation data we would suggest that the global GBIFmodels represent a broader range of conditions that may not be limited by the same biotic andanthropogenic constrains as in the southern region. Comparison of regional GBIF and FIA modelsshowed FIA to have stronger models, with low spatial congruence between the models for some ofthe species. In general, there were more FIA points than GBIF regional points but this was not truefor all species, thus the number of data points cannot be the only component driving the moreaccurate FIA models. The FIA data points were measured within meters of their true location, theGBIF data is at an unknown level of accuracy; however, in some cases the GBIF points seem to bebased on county centroids (potential 100’s of kilometers from where the species was found), thiscould be the other component of the greater accuracy found in the FIA models. A number of studieshave used an ensemble approach, utilizing a number of modeling techniques; in this case we took anensemble approach with models build with different datasets. The strongest regional models were ingeneral the one derived from the combined FIA and regional GBIF data, suggesting that though thequality of data is important, quantity is fundamental. Temperature in the coldest month was theonly variable used in all models, with an average contribution of 35 percent. Annual precipitationand precipitation seasonality were the only variables that contributed, on average, more than tenpercent to the models. The overall fit of the models suggests that species distribution for thesespecies is climate driven but at a regional level there are maybe other variables influencing thedistribution. SDMs can be used to assist in identifying areas of greatest risk of invasion and indeveloping management strategies, but they are not the only tool and need to be used in context ofthe data that was used in their development.DISSEMINATION OF RESULTSCFEA researchers and students (both graduate and undergraduate) attended and presented atnineteen different conferences/meetings this past year, disseminating information throughboth oral and poster presentations. Attending presentations and meetings also allows them theopportunity to mingle with their peers, learn about the most recent research in their fields, andmeet new collaborators.Conference Presentations 2011-2012OralPosterFaculty/staff 8 8
Graduate Students 13 11Undergraduate Students 0 4High School Students 0 1Conference Presentations15 th Annual Southeast EPPC Conference, Auburn, Alabama. 8 May 2012.http://www.se-eppc.org/meeting.cfmAttendees from AAMU and affiliates: Dawn Lemke.1. Oral presentation (Dawn Lemke): Modeling the invasive potential of five alien trees inthe forest of the southern region, United States.2. Poster presentation (Dawn Lemke): Geospatial assessment non-native invasivevegetation: application of geospatial models to predict alien plant occurrence onreclaimed mines in the Shale Hills region.17 th Central Hardwood Forestry Conference, Morgantown, West Virginia. 28 March 2012.http://centralhardwood.org/conf/index.php/chc/CHC2012Attendees from AAMU and affiliates: Callie Schweitzer.1. Poster presentation (Callie Schweitzer): A synthesis of underplanting oaks to sustainfuture oak stocking.39 th Annual Conference of the National Association of State Land Reclamationists, Beaver, WestVirginia. (Land Stewardship – Protecting Tomorrow’s Waterways through ResponsibleReclamation Today). 27 October 2011.http://www.crc.siu.edu/naslr/Newsletters/2011/NASLR%20Spring%202011.pdfAttendees from AAMU and affiliates: Dawn Lemke.1. Oral presentation (Dawn Lemke): Invasion of non-native plants at reclaimed surfacemines: A case study in the shale hills region of Alabama.Alabama A&M University’s Annual STEM Day, Normal, Alabama. 12 April 2012.http://www.physics.aamu.edu/STEM/Attendees from AAMU and affiliates: Emily Summers, Stephanie Whitaker, Douglas Washington,Timothy Baldwin, Santosh O., Brandie Stringer, Padraic Connor, Kevin Messenger, RashidahFarid, Elliott Diggs.
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Name: Li, JianqiangWorked for more
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Annual Report: 1036600Contribution
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and Sea Grant National Water Confer
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graduate in the Spring of 2013.Name
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Name: Creely, KevinWorked for more
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Name: Cox, KaysieWorked for more th
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Annual Report: 1036600Ms. Gresham t
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Annual Report: 1036600silvicultural
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Annual Report: 1036600FACULTY TRAIN
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Page 58 and 59: Annual Report: 1036600Indumathi Kam
Page 60 and 61: Annual Report: 1036600James H. Mill
Page 62 and 63: Annual Report: 1036600Stringer, B.,
Page 64 and 65: Annual Report: 1036600Daniel C. Dey
Page 66 and 67: Annual Report: 1036600traditionally
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Page 70 and 71: Annual Report: 1036600Our students
Page 72 and 73: Annual Report: 1036600showed that f
Page 74 and 75: RESEARCH FINDINGS 2012The Center fo
Page 76 and 77: urn-only stands did not decrease po
Page 78 and 79: 1.2 Herpetofaunal and Small Mammal
Page 80 and 81: 3. Determine the change of territor
Page 82 and 83: 1000 bp500 bp200 bpWe examined cros
Page 84 and 85: Bush honeysuckle. After two growing
Page 86 and 87: Royal paulownia. The mortality data
Page 88 and 89: 2. Relationship between forest dive
Page 90 and 91: 3. Determine the effects of urban a
Page 92 and 93: 800NH 4+ -N Released (ug g-1 )60040
Page 94 and 95: Table 5. Microbial indices at treat
Page 96 and 97: 0.60-10 cmB 0T 0 - No burn, No thin
Page 98 and 99: effect on significantly changing th
Page 100 and 101: Findings to be presented in year 3
Page 102 and 103: 1. Extend the land cover change geo
Page 104 and 105: ates and type II errors, suggesting
Page 108 and 109: 1. Poster presentation (Emily Summe
Page 110 and 111: 6. Poster presentation (Douglas Was
Page 112 and 113: Attendees from AAMU and affiliates:
Page 114 and 115: This was done both when the stand w
Page 116 and 117: wildlife response to various distur
Page 118 and 119: Purdue University to use as a contr
Page 120 and 121: as a threat to biodiversity of impe
Page 122 and 123: changes in the riparian and aquatic
Page 124 and 125: phosphatases and phytase were deter
Page 126 and 127: Figure 2. Schematic diagram of the
Page 128 and 129: Eddy Covariance System SensorsSonic
Page 130 and 131: Plot scale 3-D visualization with a
Page 132 and 133: 2. Determine the effects of landown
Page 134 and 135: This objective is scheduled to be a
Page 136 and 137: Alabama A&M University China Exchan
Page 138 and 139: External Advisory Board MeetingThe
Page 140: updates and feedback. There were tw
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