Caetetus Ecological Station
| Caetetus Ecological Station | |
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| Estação Ecológica dos Caetetus | |
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IUCN category Ia (strict nature reserve)
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A stream in the ESEC
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| Nearest city | Gália, São Paulo |
| Coordinates | 22°24′11″S 49°42′08″W / 22.403177°S 49.702108°WCoordinates: 22°24′11″S 49°42′08″W / 22.403177°S 49.702108°W |
| Area | 2,176.10 ha (8.4020 sq mi) |
| Designation | Ecological station |
| Created | 9 August 1976 |
| Administrator | Instituto Florestal SP |
The Caetetus Ecological Station (Portuguese: Estação Ecológica dos Caetetus) is a state-level ecological station (ESEC) in the state of São Paulo, Brazil. It protects one of the last remnants of the semi-deciduous forest that once covered the west of the state, and is home to a population of the highly endangered black lion tamarin.
The Caetetus Ecological Station is divided between the municipalities of Alvinlândia (20.17%) and Gália (79.91%) in the state of São Paulo. It has an area of 2,176.10 hectares (5,377.3 acres). The ESEC is in the sandstone Marília Plateau region of the Western Plateau of São Paulo, formed by rocks of the Bauru group. The land in this region slopes slightly to the west, with an undulating relief. The ESEC has altitudes from 520 to 680 metres (1,710 to 2,230 ft), mainly with gentle slopes of less than 6%.
The ESEC is on the northern boundary of the Paranapanema basin. It lies south of the Peixe River basin, and contains the sources of streams that feed the Paranapanema. In the higher regions the streams form waterfalls. An escarpment cut by newly-formed valleys separates the upper plateau regions from the lower area where the Meio, Barreiro and Lagoa streams converge. The Meio stream is a tributary of the São João River, which in turn is a tributary of the Turvo River, which feeds the Paranapanema.
The Gália State Reserve was created from part of the Fazenda Paraíso as a forest reserve on 9 August 1976 by decree 8.346 by Governor Paulo Egidio Martins, who declared the land to be of public utility, to be expropriated by the state treasury and to be used for research and preservation of natural reserves. Governor André Franco Montoro transformed it into the Caetetus Ecological Station by decree 26.718 of 6 February 1987. By law 9.264 of 19 December 1995 the name was changed to "Olavo Amaral Ferraz Ecological Station".
The Köppen climate classification is Cwa, mesothermic with dry winter, rains from October to March and periods of drought from April to September. Average annual rainfall is 1,431 millimetres (56.3 in). Average annual temperature is 21.5 °C (70.7 °F). Average temperatures range from 16.5 °C (61.7 °F) in June to 24.7 °C (76.5 °F) in January and February. Minimum and maximum temperatures are 10 °C (50 °F) and 30 °C (86 °F) respectively.
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