Present Position : Assistant Professor Environmental Science & Faculty Coordinator.
Past : Ecology Professor @ Federal Rural University PE/Brazil.

School of Science and Health .
PhD, 1993, Ecology , Odum School of Ecology , University of Georgia. Dissertation Phosphorus solubilization in a Georgia Ultisol.
MS, 1985, Ecology at Federal University of Rio Grande Sul /Brazil. Thesis : Sulfur & Nitrogen in the rain water & Atmospheric Sulfur in the Metropolitan Region of Porto Alegre , RS , Brazil.BS, 1977, Biology Education Faculdade de Filosofia/Federal University / UFPE/ Brazil.
Present Position : Assistant Professor Environmental Science & Faculty Coordinator.
Past : Ecology Professor @ Federal Rural University PE/Brazil.
Special Recognition:
PHI BETA DELTA Honor Society for International Scholars Spring Induction Ceremony. This Society aims to recognize and encourage achievements in the field of International Education.
The American Association of University Women (AAUW): One of 43 selected from a pool of 803 women to receive international
Research Fellowship, 1992-1993.
The Eugene and William Odum Foundation Research Award, The University of Georgia, 1991.
Faculty Award for Excellence in Teaching, selected by Agronomy students, class 1998/ UFRPE.
Faculty Award for Excellence in Teaching, selected by Biology students, class 1998/UFRPE.
Faculty Award for Excellence in Teaching, selected by Biology students, class 1986/UFRPE
Research Interest and grants.
Biogeochemistry , plant-soil interaction, ecosystem ecology, soil nutrient cycling, and international education.
International collaborator on the National Science Foundation (NSF)project :“Collaborative Research’’:
An experimental Study of Fire Ecology in relation to the Red-cockaded woodpecker: Linkages among
Population, Community and Ecosystem Processes”, NSF Award Number DEB 9632420
Department of Education's Fund for the Improvement of Post Secondary Education (FIPSE)
Sweden :International Foundation for Science Biological Mediator for Soil Phosphorus Solubilization. grant number: C/23061.
At Philadelphia University
Lindback Minority Junior Faculty Career Enhancement Grant- 2008
Co-Grant Coordinator for University Green Grant from the Pennsylvania HorticultureSociety (US Forest Service Initiative) 2009—.
University Green Grant is part of a larger United States Forest Service/National Urban & Community Forestry Council Grant received by Pennsylvania Horticulture Society (PHS). We are one of eight universities selected for this pilot program. Rosa Guedes and Claudia Phillips(L.A Program Director)
Workshop on Family & sustainable agriculture : Philadelphia University & EMBRAPA Semi-arid Brazil
Workshop on alternatives solutions for semiarid region Philadelphia University & EMBRAPA Semi-arid Brazil January 9, 2009.
Assisted on the organization of Society of Ecological Restoration Conference (SER) held at Phila U, January, 2006 & 2007.
University http://crops.confex.com/crops/wc2006/techprogram/S1993.HTM
Professional Meetings: Selected ones.
International Journal of Ecology & Development (IJED) Associate editor. http://www.ceser.res.in/isder/ijed/eb-ijed.html
Organized with Francisco Pinheiro (EMBRAPA ) Workshop on Pigeonpea and family Agriculture 2009
Brazilian consultant for The First Virtual Environmental Symposium, Brazil‑Germany organized by Water Leal, sponsored by The Ministry of Environment Brazil 1999
Food 21 (University of Uppsala Sweden and University of Piracicaba, Sustainable Agriculture for Latin America and Caribbean (Sponsored by International Foundation for science, Sweden) Soil Science Society of America (SSSA)
International Ecology Congress (Brazilian Delegate 1994/1998 travel grant/ Brazil& Sweden)
Scholarships
Application Fubright travel Grant for M Sumner from University of Georgia (1994)
Received from Brazilian Council for Science, Research, and Technology (CNPq) ,1988-1993
Received from National Coordination for Improvement Pos- Secondary Education (CAPES) to be a Mentor for 12 students per year.
1995-1998, 2001- March 2004.
Books
1. Silveira N.S., Marques S.A., Guedes R.M. 1997. Environmental Education and challenges.
Educação Ambiental e seus desafios. Series Apontamentos 18 Edufal.
2. Editorial Boards: Editor‑in‑Chief, Book: First Northest Ecology Congress
(I Congresso Nordestino de Ecologia) edited by Guedes R.M T.M. Falcão; C. Buscchinelli 1986
(20 manuscripts reviewed)
3 Annual Editions : Environmental , Edition Sharp, Zachary(editor) Member of Academic Advisory Board Member
2008/2009, 2010/2011.
Book Chapters: Willadino L. ; Camara , T. R. ; Galindo , R. M. P. ; Guedes , R. M. M. 2005 .Sistema vascular e exudatos radiculares.(Plant’s vascular systems & root exudates In: S.J. Michereff; D. E. G. T. Andrade; M. Menezes. (Org.).Ecologia e manejo de patógenos radiculares em solos tropicais. (Ecology and Management of root pathogens intropical Soils.) First edition. Recife: Imprensa universitária UFRPE, v. 1, p. 18-40.Potter, R.L., C.F. Jordan, R.M. Guedes, G.J. Batmanian and X.G. Han. 1991. Assessment of a phosphorus fractionation method for soils: Problems for further investigation. Pp. 453-463 in D.A. Crossley and C.A. Edwards (EDS). Modern Techniques in Soil Ecology Elsevier,Amsterdam.Guedes, R.M (under review) Pigeonpea a legume crop for sustainable agriculture: a review. The Science Behind the Stories, 2nd Edition. Reviewed Chapters 10 and 12Subscribe ECOLOG since 1992.
Member of Soil and Agronomy Society of America.
Botany graduate students with scholarship from Brazilian Council for Research& Technology.
1. Aracy Santa Clara, 1998 ( Major professsor )
2. Ana Claudia de Assis, 1998 ( Major Professor)
3. Rosilda Queiroz, 1997 (defense Committee)
4. Grécia Cavalcanti Silva, 1996 (committee)
5. Elizabeth Grillo, 1994 (committee)
6. Socorro Silveira ( Graduate Program)
7. Thereza Christina C. Medeiros (defense committee 1996)
Undergraduate students with scholarship who worked on my research projects
8. Aldo Tenório Cavalcante Agronomy 1986-1988 (360 hours,greenhouse Experiment )
9. Danilo Rodrigues soil Phosphorus (University of Georgia USA)
10. Djanira Milfont Biology (1981 Biology degree 360 hours with monograph )
11. Edna Bonfim Animal Science research
12. Leucio Alves Veterinary 1978 (Student Worker, Veterinary 12 hours week )
13. Nelson Sá, Agronomy 1998 (Soil Research at University of Georgia )
14. Pedro de Oliveira Neto Agronomy 1996-1998 (450 hours research Intercropping plots)
15. Rejane Barbosa Biology Education degree 1995-1997 (Advisor 450 hours ,Research Scholarship)
16. Suely A. Gomes, Biology 1997-1998 (Intercropping pigeonpea, Research Scholarship )
Biology honors Program Coordinator (Special Training Program 1995 April 2004.
17. Alexandre Menezes, 1995
18. Alexsandra P. Silva, 2001
19. Ana Carolina B Silva, 1995
20. Ana Alencar, Daniele Lima,
21. Antônio A Procopio, 1997- December 1998
22. Carlos Fernando Noronha, 1995
23. Fabiano Walderez, 1995-2000
24. Flávia Vasconcelos, 2001 - April 2004
25. Gladistone C. dos Santos, 1995-2000
26. Guilhemo Chaves, 1996-2000
27. Gustavo Grillo, 2001-2004
28. Heitor 2001 -2004
29. Igor Santos, 2001-2004
30. Janaina Costa, 1998-2001
31. Janaína Pauline de Araújo, 1999 -2001
32. José Antônio S. Pereira Junior, 1995-December 1998
33. Luciana, Marques, 2001 – April 2004
34. Luciana S. Araújo,
35. Luciano Luna, 1995-1999
36. Luiz Augustinho Menezes, 1995 1998
37. Maria Amélia Silva Filho,
38. Maria da Conçeição Oliveira, 1995- December 1998
39. Michelle R.S. Gusmão, 1995
40. Misael Costa, 1995-1998
41. Mônica Souza, 1997- December 1998
42. Noeli Moura, Polyana Nunes, 1995- December 1998
43. Rafael Bandeira, 1998, 2001 - 2002
44. Renata Jucá,
45. Roberta Pinho, 1995- December 1998
46. Rodrigo Silva, 1995- December 1998
47. Rodrigo S. Maior, December 1998
48. Sidney Dantas, 1995 - December 1998
49. Suelen Brainer, 2001- April 2004
50. Yone Vila Nova. 1995