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Tarahumara Gentiles agriculture, Sierra Madres, northwest Mexico

Case
The resource under consideration here is arable land. Arable land is a common pool resource in this case. On the dimensions of subtractability and excludability defined by Ostrom (2005), land is highly subtractble, but it is difficult to exclude resource users from land that is not continuously cultivated. In essence, cultivating a parcel of land means that there is less available land in the system; however, it is very difficult to exclude people from obtaining sufficient land for their...
09 Aug 2016

Matsigenka agriculture, Manu Biosphere Reserve, Peru

Case
Arable land among the Matsigenka is a public good (Ostrom 2005: 24). At base the Matsigenka do not have institutions that regulate who can access arable land. Anyone who has been incorporated into a community has the right to access arable land. The only requirement before opening up a new field is that people must state their intent. This practice decreases the probability of clearing a plot of land that someone else was planning to clear. In short, use of arable land does not affect the...
09 Aug 2016

Gwembe Tonga land tenure, Zambezi Valley, Zambia

Case
Arable land in this case, following Ostrom (2005: 24), is both a common pool resource and a public good. Bush land used for shifting cultivation is a common pool resource. Rights to this land belong to whoever clears it. There are virtually no rules governing access, except acceptance into a community that claims the bush land as part of its territory. Gaining acceptance is a simple matter of asking permission or just establishing residence in a place. River land is a common pool resource....
09 Aug 2016