Personal Information


Dativa Joseph Shilla

Contact Address:

P. O. Box 2329
Dar es Salaam
Email: sopdatty@yahoo.com, sopdatty@gmail.com
(mobile)+255 787409846/ 717 173968


University of the Ryukyus, Japan, (From 2009 to 2012)
Ph.D. (Environmental Chemistry)
Auckland University, New Zealand, (From 2003 to 2005)
M.Sc. In Environmental Science
University of Dar Es Salaam, (From 1997 to 2001).
B.Sc. In Chemistry, Biology and Education

Research interests

Aquatic pollution and organic geochemistry in marine environments & Production, transport and cycling of organic matter, nutrients and hydrophobic organic pollutants in aquatic ecosystems.


  • Analytical and Environmental Chemistry
  • Environmental Science
  • Industrial Chemistry


  1. Shilla, D A. and Joseph, D.J., 2008. Biomass dynamics of Charophyte dominated submerged community in Myall Lake, NSW, Australia. Journal of Chemistry and Ecology, Vol 24, 5, 366-377
  2. Shilla, D.J., Boothroyd, I., Daniel. A.S., 2011. The effects of catchment land-use on water quality and macroinvertebrate communities in Otara Creek, New Zealand. Chemistry and Ecology, Vol. 27(5), 445 - 460
  3. Shilla,D.J., Tsuchiya, M., Abel, D.S., 2011. Terrigenious nutrient and organic matter in a subtropical river estuary, Okinawa, Japan: Origin, distribution and pattern across the estuarine salinity gradient. Chemistry and Ecology, 27:6, 523-542.
  4. D.A, Shilla., Shilla, D.J., 2011. Speciation of heavy metals in sediments from the Scheldt Estuary, Belgium. Chemistry and Ecology, 27(1) 69 -79.
  5. Dativa J. Shilla & Daniel Abel Shilla, 2012. Effects of riparian vegetation and bottom substrate on macroinvertebrate communities at selected sites in the Otara Creek, New Zealand, Journal of Integrative Environmental Sciences, 9:3, 131-150
  6. Shilla, D.J., Mimura, I., Takagi, K.K., Tsuchiya, M., 2013. Preliminary Survey of the Nutrient Discharge Characteristics of Okinawa Rivers, and their Potential Effects on Inshore Coral Reefs. Journal of Coral Reef Studies (Galaxea), Special Issue: 172-181.
  7. Shilla, D.J. 2014. Fluxes and retention of nutrients and organic carbon in Manko estuary, Okinawa, Japan: influence of river discharge variations. Advances in Oceanography and Limnology,DOI:10.1080/19475721.2014.928369
  8. Shilla, D.J. 2014. Chemical and isotopic composition of estuarine organic matter: implications for the relative contribution and reactivity of anthropogenic sources of organic matter. Advances in Oceanography and Limnology, DOI:http://dx.doi.org/10.4081/aiol.2014.5355
  9. Shilla, D. 2015. Distribution and Behavior of Polycyclic Aromatic Hydrocarbon (PAH) In Sub-tropical River-Estuary, Okinawa Japan. Submitted to Marine Chemistry Journal, and is under final review.