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Daniel J. Thornhill

Conservation Scientist

Defenders of Wildlife

Field Conservation Programs

1130 17th St. NW

Washington DC 20036-4604

Thornhill[dot]Dan[at]gmail[dot]com

daniel[dot]thornhill[at]defenders[dot]org

PH: (202) 772-0227

  For best viewing of PDFs, please use Adobe Acrobat or Acrobat Reader.
2005

Ph.D., Ecology, University of Georgia at Athens. Thesis title: "Establishment and Maintenance of Cnidarian-Dinoflagellate Symbioses."

1999

B.Sc., Zoology and Environmental Biology, Michigan State University, East Lansing, MI.

 2001-05

National Science Foundation (NSF) Graduate Research Fellowship, Ecology - University of Georgia at Athens.

 2000-05

Presidential Graduate Fellowship - University of Georgia at Athens.

 2002

Hawaii Institute of Marine Biology Pauley Program Fellow.

 1997-99

Barry M. Goldwater Fellowship.

 1998

National Science Foundation (NSF) Research Experience for Undergraduates (REU) Fellow.

32

 

Fujita, R., D.J. Thornhill, K. Karr, C.H. Cooper, L.E. Dee. Assessing and managing ornamental fisheries in coral reefs. Fish and Fisheries. (in press). Request Reprint

31

 

Thornhill, D.J., X. Yiang, D.T. Pettay, M. Zhong, S.R. Santos. 2013. Population genetic data of a model symbiotic cnidarian system reveal remarkable symbiotic specificity and vectored introductions across ocean basins. Molecular Ecology. 22:4499-4515. (Featured Perspectives article by Christian R. Voolstra) Request Reprint

30

 

Kirk, N.L., D.J. Thornhill, D.W. Kemp, W.K. Fitt, S.R. Santos. 2013. Ubiquitous associations and a peak fall prevalence between apicomplexan symbionts and reef corals in Florida and the Bahamas. Coral Reefs. 32:847-858. Request Reprint

29

 

Dimond, J.L., A.H. Kerwin, R. Rotjan, K. Sharp, F.J. Stewart, D.J. Thornhill. 2013. A simple temperature-based model predicts the upper latitudinal limit of the temperate coral Astrangia poculata. Coral Reefs. 32:401-409. Request Reprint

28

 

Thornhill, D.J., T.H. Struck, B. Ebbe, R.W. Lee, G.F. Mendoza, L.A. Levin, K.M. Halaynch. 2012. Adaptive radiation in extremophilic Dorvilleidae (Annelida): diversification of a single colonizer or multiple independent lineages? Ecology and Evolution. 2:1958-1970. Request Reprint

27

 

Thornhill, D.J. 2012. Ecological impacts and practices of the coral reef wildlife trade. Defenders of Wildlife, Washington, DC. 179 p. Request Reprint

26

 

LaJeunesse, T.C., D.J. Thornhill. 2011. Improved resolution of reef-coral endosymbiont (Symbiodinium) species diversity, ecology, and evolution through psbA non-coding region genotyping. PLoS One. 6:e29013. Request Reprint

25

 

Thornhill, D.J., R.D. Rotjan, B.D. Todd, G.C. Chilcoat, R. Iglesias-Prieto, D.W. Kemp, T.C. LaJeunesse, J. McCabe-Reynolds, G.W. Schmidt, T. Shannon, M.E. Warner, W.K. Fitt. 2011. A connection between colony biomass and death in Caribbean reef-building corals. PLoS One. 6:e29535. Request Reprint

24

 

Kemp, D.W., C.A. Oakely, D.J. Thornhill, L.A. Newcomb, G.W. Schmidt, W.K. Fitt. 2011. Catastrophic mortality on inshore coral reefs of the Florida Keys due to severe low-temperature stress. Global Change Biology. 17:3468-3477. Request Reprint

23

 

Roopin, M., D.J. Thornhill, S.R. Santos, N.E. Chadwick. 2011. Ammonia flux, physiological parameters, and Symbiodinium diversity in the anemonefish symbiosis on Red Sea coral reefs. Symbiosis. 53:63-74. Request Reprint

22

 

Hilário, A., M. Capa, T.G. Dahlgren, K.M. Halanych, C.T.S. Little, D.J. Thornhill, C. Verna, A.G. Glover. 2011. New perspectives on the ecology and evolution of siboglinid tubeworms. PLoS One. 6:e16309. Request Reprint

21

 

Thornhill, D.J., K. Doubleday, D.W. Kemp, S.R. Santos. 2010. Host hybridization alters specificity of cnidarian-dinoflagellate associations. Marine Ecology Progress Series. 420:113-123. Request Reprint

20

 

Thornhill, D.J., J.B. Lord. 2010. Secondary structure models for the internal transcribed spacer (ITS) region 1 from symbiotic dinoflagellates. Protist. 161:434-451. Request Reprint

19

 

Thornhill, D.J., D.W. Kemp, E.M. Sampayo, G.W. Schmidt. 2010. Comparative analyses of amplicon migration behavior in differing denaturing gradient gel electrophoresis (DGGE) systems. Coral Reefs. 29:83-91. Request Reprint

18

 

Mahon, A.R., D.J. Thornhill, J.L. Norenburg, K.M. Halanych. 2010. DNA discovers missing Antarctic nemerteans and exposes a decades-old cold case of asymmetric inventory. Polar Biology. 33:193-202. Request Reprint

17

 

Thornhill, D.J., Y. Xiang, W.K. Fitt, S.R. Santos. 2009. Reef endemism, host specificity and temporal stability in populations of symbiotic dinoflagellates from two ecologically dominant Caribbean corals. PLoS One. 4:e6262. Featured Weekly Image in EveryOne, the PLoS One Community Blog Download article directly from PLoS One website

16

 

Simon, C., D.J. Thornhill, F. Oyarzun, K.M. Halanych. 2009. Genetic similarity between Boccardia proboscidea from western North American and the cultured abalone, Haliotis midae, in South Africa. Aquaculture. 294:18-24. Request Reprint

15

 

Thornhill, D.J., T.G. Dahlgren, K.M. Halanych. 2009. The evolution and ecology of Ophryotrocha (Dorvilleidae, Eunicida). Chapter 13; Pp. 242-256, In: Shain, D.H., Ed., Annelids as Model Systems in the Biological Sciences. John Wiley & Son. Request Reprint

14

 

Correa, A.M.S., M.E. Brandt, T.B. Smith, D.J. Thornhill, A.C. Baker. 2009. Symbiodinium associations within diseased and healthy corals. Coral Reefs. 28:437-448. Request Reprint

13

 

Thornhill, D.J., A.R. Mahon, J.L. Norenburg, K.M. Halanych. 2008. Open-ocean barriers to dispersal: a test case with the Antarctic Polar Front and the ribbon worm Parborlasia corrugatus (Nemertea: Lineidae). Molecular Ecology. 17:5104-5117.  PDF  Supplementary Materials

12

 

Thornhill, D.J., K.T. Fielman, S.R. Santos, K.M. Halanych. 2008. Siboglinid-bacteria endosymbiosis: A model system for studying symbiotic mechanisms. Communicative & Integrative Biology. 1:1-4.  PDF 

11

 

Thornhill, D.J., D.W. Kemp, B.U. Bruns, W.K. Fitt, G.W. Schmidt. 2008. Correspondence between cold tolerance and temperate biogeography in a western Atlantic Symbiodinium (Dinophyta) lineage. Journal of Phycology. 44:1126-1135.   PDF 

10

 

Thornhill, D.J., A.A. Wiley, A.L. Campbell, F.F. Bartol, A. Teske, K.M. Halanych. 2008. Endosymbionts of Siboglinum fiordicum and the phylogeny of Siboglinidae (Annelida) endosymbionts. The Biological Bulletin. 214:135-144. PDF

9

 

Thornhill, D.J., T.C. LaJeunesse, S.R. Santos. 2007. Measuring rDNA diversity in eukaryotic microbial systems: How intragenomic variation, pseudogenes, and PCR artifacts confound biodiversity estimates. Molecular Ecology. 16:5326-5340.  PDF  Supplementary Materials  Download datasets

8

 

Thornhill, D.J., W.K. Fitt, G.W. Schmidt. 2006. Highly stable symbioses among western Atlantic brooding corals. Coral Reefs. 25:515-519. PDF

7

 

Thornhill, D.J., M.W. Daniel, T.C. LaJeunesse, W.K. Fitt, G.W. Schmidt. 2006. Natural infections of aposymbiotic Cassiopea xamachana from environmental pools of Symbiodinium. Journal of Experimental Marine Biology and Ecology. 338:50-56. PDF

6

 

Thornhill, D.J., T.C. LaJeunesse, D.W. Kemp, W.K. Fitt, G.W. Schmidt. 2006. Multi-year, seasonal genotypic surveys of coral-algal symbioses reveal prevalent stability or post-bleaching reversion. Marine Biology. 148:711-722. PDF

5

 

Rotjan, R.D., J.L. Dimond, D.J. Thornhill, D.W. Kemp, B. Helmuth, J. Leichter, S.M. Lewis. 2006. Chronic fish grazing slows recovery after bleaching. Coral Reefs. 25:361-368. PDF

4

 

Dove, S., J.C. Ortiz, S. Enriquez, M. Fine, P. Fisher, R. Igelsias-Prieto, D.J. Thornhill, O. Hoegh-Guldberg. 2006. Response of holosymbiont pigments from the scleractinian coral Montipora monasteriata to short term heat stress. Limnology & Oceanography. 51:1149-1158. PDF

3

 

Todd, B.D., D.J. Thornhill, W.K. Fitt. 2006. Patterns of inorganic phosphate uptake in Cassiopea xamachana: a bioindicator species. Marine Pollution Bulletin. 52:515-521. PDF

2

 

LaJeunesse, T.C., D.J. Thornhill, E.F. Cox, F.G. Stanton, W.K. Fitt, G.W. Schmidt. 2004. High diversity and host specificity observed among symbiotic dinoflagellates in reef coral communities from Hawaii. Coral Reefs. 23:596-603. PDF

1

 

Valone, T.J., D.J. Thornhill. 2001. Mesquite establishment in arid grasslands: an experimental investigation of the role of kangaroo rats. Journal of Arid Environments. 48:281-288. PDF

2009

Thornhill, D.J., S.R. Santos. Population genetic structure of symbiotic dinoflagellates associated with Caribbean reef-building corals, Montastraea annularis and M. faveolata. Talk: 2009 SICB Meetings (Boston, MA). PDF (Abstract)

2008

Levin, L.A., W. Ziebis, G. Mendoza, D.J. Thornhill, K.M. Halanych, R. Lee, T. Washington, A. Thurber. Dorvilleidae at methane seeps: a model for understanding diversity on the continental margin. American Society of Limnology and Oceanography 2008 Ocean Sciences Meeting, Orlando, FL, USA.

2007

Santos, S.R., R.L. Hunter, D.J. Thornhill. Invited Talk: The ecology and evolution of symbiotic dinoflagellates (Symbiodinium, Dinophyta) on tropical coral reefs. 60th Annual Meeting of the Southeastern Branch - American Society for Microbiology. Auburn, Alabama. PDF (Slides)

2007

Thornhill, D.J., A.A. Wiley, A.L. Campbell, F.F. Bartol, A. Testke, K.M. Halanych. Endosymbionts of Siboglinum fiordicum and the Phylogeny Bacterial Endosymbionts in Siboglinidae (Annelida). 60th Annual Meeting of the Southeastern Branch of the American Society for Microbiology, Auburn, AL, USA.

2004

Thornhill D.J., T.C. LaJeunesse, G.W. Schmidt, W.K. Fitt. Change and Stability of Symbiotic Dinoflagellates in Reef Building Corals. 10th Int. Coral Reef Symp., Okinawa, Japan.

2003

Thornhill, D.J., T.C. LaJeunesse, W.K. Fitt, G.W. Schmidt. Change and Stability of Symbiotic Dinoflagellates in Reef Building Corals. 7th Int. Conf. on Coelenterate Biol., Lawrence, KS, USA.

2003

Thornhill, D.J., T.C. LaJeunesse, G. Chilcoat, T. Shannon, W.K. Fitt. Physiological attributes of coral tissue over time: seasons and years. 7th Int. Conf. on Coelenterate Biol., Lawrence, KS, USA.


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