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Title | Type |
|---|---|
Ayvalik-Haylazli Lagoon Fishery, Turkey | Case |
| The Ayvalik-Haylazli lagoon fishery is located on the Turkish Mediterranean coast near the town of Adana. The resource units are demersal fish (mullets, groupers, and snappers). The original case, which spans from 1976-1978, catalogues an action situation involving 103 registered fishermen from three neighboring villages. There is only one user group organization (referred to as a co-op) and all active fishermen are members in it. The charter of the co-op defines rules for membership. The co-op... | 09 Aug 2016 |
Diaz Ordaz Small-Scale Irrigation System, Oaxaca Valley, Mexico | Case |
| The town of Diaz Ordaz is located in the Tlacolula wing in the Oaxaca Valley, Mexico, and the resource appropiated is water for irrigation. The irrigation system is divided into numerous subunits called tramos, which are described in detail as well as how the users alternate between riparian and prior appropriation rights for water. The author hypothesizes that water scarcity during the moisture-sensitive period of the main crops forces certain types of social organization to allocate water.... | 09 Aug 2016 |
Effect of infrastructure design on commons dilemmas | Model |
| The authors address the question of how infrastructure design affects SES sustainability in two stages. First, they explore the effects of design variations in shared infrastructure on long-term system behavior in a model system. They examine two types of distribution infrastructure, one with and one without upstream−downstream asymmetry, and different threshold characteristics of infrastructure maintenance. Second, they evaluate how these design variations influence the robustness of... | 09 Oct 2016 |
Hanan Sayoc Irrigation, Quinua District, Peru | Case |
| The Hanan Sayoc Irrigation System is located in the Province of Ayacucho in Peru. The resource appropriated related to the social dilemma is water for irrigation, which originates from the mountaintops and flows down to the fields through canals. The original case spans from 1962 to1974 and catalogues an action situation involving 5,348 people, predominately Quechua speakers. Based on the source document, there is insufficient information on whether this case was deemed to be a success or... | 09 Aug 2016 |
Lurin Sayoc Irrigation, Quinua District, Peru | Case |
| Lurin Sayoc is one of the two barrios of Quinua district of Ayacucho Province in the Peruvian highlands. The resource appropriated related to the social dilemma is water for irrigation distributed through a canal, diverted by stream. The original case was reported in 1976 and 1977 and catalogues an action situation involving 5,348 people. The author reported many fights around water use. This case study is part of the original Common-Pool Resource (CPR) database. A summary of the original CPR... | 09 Aug 2016 |
Pinagbayanan irrigation system, Laguna, Philippines | Case |
| The Pinagbayanan Irrigation System is located in Barrio Pinagbayanan, Laguna in Philippines. The resource appropriated related to the social dilemma is water for irrigation appropriated and distributed by two water pumps and canals that deliver water from the pumps to rice fields, and a gravity irrigation system managed by the National Irrigation Administration. The original case was reported in 1975. This case study is part of the original Common-Pool Resource (CPR) database. A summary of the... | 09 Aug 2016 |
Valenca Canoe Fishery, Brazil | Case |
| The port of Valenca, which is popular for its canoe-fishing tradition, is located on the Una River, about 60 miles down the coast from Salvador in the state of Bahia, in the northeastern part of Brazil on the Atlantic coast. The original case spans from 1970-1971; the resource units are demersal and pelagic fish species. The introduction of nylon nets by the Brazil government in 1960 gave entry to non-fishing entrepreneurs who hired inexperienced fishers to fish. This new group of fishers... | 09 Aug 2016 |