J. F. Boesen, F. Maganga, and R. Odgaard, Norms, organizations and actual practices in relation to land and water management in Ruaha river basin, Tanzania. Managing the Globalized Environment, 1999.

L. Brown, State of the World, Bulletin of Science, Technology & Society, vol.6, issue.4, 1990.
DOI : 10.1177/027046768600600406

K. M. Cleaver and G. A. Schreiber, Reversing the Spiral: the Population, Agriculture and Environment Nexus in Sub-Saharian Africa, 1994.

P. Descola and G. Palsson, Nature and Society-Anthropological Perspectives, 1996.

G. Donnadieu, La syste´mique: penser et agir dans la complexite´, Liaisons, 2002.

A. Gomez-pompa, Taming the wilderness myth, Bioscience, vol.42, issue.4, pp.271-279, 1992.

G. Hardin, The Tragedy of the Commons???, Journal of Natural Resources Policy Research, vol.10, issue.3, pp.1243-1248, 1968.
DOI : 10.1002/bs.3830010402

S. I. Hay, D. Cox, J. Rogers, S. E. Randolf, D. I. Stern et al., Climate change and the resurgence of malaria in the East African highlands, Nature, vol.415, issue.6874, pp.415-905, 2002.
DOI : 10.1038/415905a

R. Heltberg, Property Rights and Natural Resource Management in Developing Countries, Journal of Economic Surveys, vol.16, issue.2, pp.189-214, 2001.
DOI : 10.1111/1467-6419.00164

A. Hemp, Climate change-driven forest fires marginalize the impact of ice cap wasting on Kilimanjaro, Global Change Biology, vol.56, issue.7, pp.11-1013, 2005.
DOI : 10.1038/35000179

A. Hemp, The Banana Forests of Kilimanjaro: Biodiversity and Conservation of the Chagga Homegardens, Biodiversity and Conservation, vol.25, issue.4, pp.1193-1217, 2006.
DOI : 10.1007/s10531-004-8230-8

C. Huggins, Rural Water Tenure in East Africa: A Comparative Study of Legal Regimes and Community Responses to Changing Tenure Patterns in Tanzania and Kenya. Kenya African Centre for Technology Studies, 2000.

F. H. Maganga, The Pangani River Basin: A Situation Analysis Current reforms and their implications for rural water management in Tanzania, Proceedings of the International Workshop African Water Laws: Plural Legislative Frameworks for Rural Water Management in Africa, pp.26-28, 2003.

F. Klute, Ergebnisse der Forschungen am Kilimandscharo 1912, 1920.

D. R. Lee, P. J. Ferraro, and C. B. Barrett, Introduction: changing perspectives on agricultural intensification, economic development and the environment. Tradeoffs or Synergies? Agricultural Intensification, Economic Development and the Environment, pp.1-16, 2001.

N. D. Madulu, Linking poverty levels to water resource use and conflicts in rural Tanzania, Physics and Chemistry of the Earth, Parts A/B/C, vol.28, issue.20-27, pp.911-917, 2003.
DOI : 10.1016/j.pce.2003.08.024

F. Maganga, H. L. Kiwasila, I. H. Juma, and J. A. Butterworth, Implications of customary norms and laws for implementing IWRM: findings from Pangani and Rufiji basins, Tanzania, Physics and Chemistry of the Earth, Parts A/B/C, vol.29, issue.15-18, pp.1335-1342, 2004.
DOI : 10.1016/j.pce.2004.09.008

P. Mathieu, Population, pauvret?? et d??gradation de l'environnement en Afrique: fatale attraction ou liaisons hasardeuses ?, Nature Sciences Soci??t??s, vol.6, issue.3, pp.27-34, 1998.
DOI : 10.1016/S1240-1307(98)80080-0

M. J. Mbonile, Migration and intensification of water conflicts in the Pangani Basin, Tanzania, Habitat International, vol.29, issue.1, pp.41-67, 2005.
DOI : 10.1016/S0197-3975(03)00061-4

S. Mkhandi and J. Ngana, Trends analysis and spatial variability of annual rainfall Water Resources Management in the Pangani River Basin: Challenges and Opportunities Dar es Salaam University Press, Dar es Salaam, pp.21-29, 2001.

B. C. Mwasaga, The natural forest of Mount Kilimanjaro. The Conservation of Mount Kilimanjaro, 1991.

H. Nagendra, D. K. Munroeb, and J. Southworth, Introduction to the special issue, from pattern to process: landscape fragmentation and the analysis of land use/land cover change. Agriculture, Ecosystems and Environment, pp.111-115, 2004.

R. Nash, The Rights of Nature: A History of Environmental Ethics, 1989.

W. D. Newmark and N. L. Leonard, Attitudes of local people toward Kilimanjaro National Park and Forest reserve. The Conservation of Mount, 1991.

H. Ollagnon, Une approche patrimoniale de la qualite´desqualite´des milieux naturels Du Rural a` l'Environnement, la Question de la Nature Aujourd'hui, L, pp.258-268, 1989.

E. Ostrom, J. Burger, C. Field, R. Norgaard, and D. Policansky, Revisiting the Commons: Local Lessons, Global Challenges, Science, vol.284, issue.5412, pp.278-282, 1999.
DOI : 10.1126/science.284.5412.278

T. Pocs, Bryophyte Diversity Along the Eastern Arc, Journal of East African Natural History, vol.87, issue.1, pp.75-84, 1998.
DOI : 10.2982/0012-8317(1998)87[75:BDATEA]2.0.CO;2

M. F. Price and N. Butt, Forests in sustainable mountain development: a state of knowledge report for 2000. IUFRO 5, Research Series, 2000.

L. Sébastien, A qualitative methodology to facilitate environmental governance: the Actor in 4 dimensions model, Proceedings of the 8th Congress of the European Sociological Association (ESA), 2007.

L. Sébastien, Relations homme?nature en milieux d'altitude: quand la durabilité est une question de survie. Cahiers de l'Afrique de l'Est 34, pp.57-86, 2007.

Y. W. Shaghude, Review of water resource exploitation and land use pressure in the Pangani river basin, Western Indian Ocean Journal, vol.5, issue.2, pp.195-207, 2006.

E. Soini, Land use change patterns and livelihood dynamics on the slopes of Mt. Kilimanjaro, Tanzania, Agricultural Systems, vol.85, issue.3, pp.306-323, 2005.
DOI : 10.1016/j.agsy.2005.06.013

M. Tagseth, Local practices and changes in farmer-managed irrigation in the Himo Catchment, Kilimanjaro. Water Resources Management ? The Case of Pangani River Basin: Issues and Approaches, pp.48-63, 2002.

L. G. Mosley-thompson, E. Davis, M. E. Henderson, K. A. Brecher, H. H. Zagorodnov et al., Kilimanjaro ice core records: evidence of holocene climate change in tropical Africa, Science, issue.5593, pp.298-589, 1992.

M. Tiffen, M. Mortimore, and F. Gichuki, More People, Less Erosion, Environmental Recovery in Kenya, African Centre for Technology Studies), 1994.

P. Z. Yanda and E. K. Shishira, Forestry conservation and resource utilisation on southern slopes of Mount Kilimanjaro: trends, conflicts and resolutions, 2001.

S. A. Zolongo, S. Kiluvia, and G. Mghase, Umbwe Onana PRA Report. Traditional Irrigation and Environmental Development Organization, 2000.