Background:Even though increasing population pressure and associated increased demand for food and economic development have led to overexploitation and degradation of wetlands throughout the world,the drivers are mos...Background:Even though increasing population pressure and associated increased demand for food and economic development have led to overexploitation and degradation of wetlands throughout the world,the drivers are most severe in developing countries.For generations,Fogera wetlands in Ethiopia which are parts of Lake Tana Biosphere Reserve have been widely used for grazing of indigenous cattle.Fogera cattle are one of several recognized indigenous breeds of Abyssinian zebu bovine cattle(Bos primigenius indicus)found in Fogera district,Ethiopia.This study was conducted to quantify impacts of rice expansion on cattle population in Fogera wetlands.Data were collected through questionnaire,focus group discussions,interviews,and land use/land cover analysis.Respondents were selected using systematic random sampling.Variance and LEVENES test were used to analyze the livestock unit and to check homogeneity.Results:The study revealed that during the 20-year period preceding 2015,the number of cattle owned decreased from 3509 to 1510 heads.In the same period,rice cultivation increased from 182 to 9499 ha and production from 6701 to 714,013 qt.Grazing lands were reduced from 8550 to 3501 ha,wetlands from 3114 to 1060 ha,and forests from 1542 to 907 ha.Land use/land cover changes showed a negative balance of 40%dry matter requiring cattle feed to be increasingly supplemented through purchases,or reduction in herd number.The study also indicated that the land-use changes brought at the expense of traditional cattle production systems.Conclusion:Hence,proper management is required to maintain these valuable resources and keep their role in socioeconomic development of the area.展开更多
文摘Background:Even though increasing population pressure and associated increased demand for food and economic development have led to overexploitation and degradation of wetlands throughout the world,the drivers are most severe in developing countries.For generations,Fogera wetlands in Ethiopia which are parts of Lake Tana Biosphere Reserve have been widely used for grazing of indigenous cattle.Fogera cattle are one of several recognized indigenous breeds of Abyssinian zebu bovine cattle(Bos primigenius indicus)found in Fogera district,Ethiopia.This study was conducted to quantify impacts of rice expansion on cattle population in Fogera wetlands.Data were collected through questionnaire,focus group discussions,interviews,and land use/land cover analysis.Respondents were selected using systematic random sampling.Variance and LEVENES test were used to analyze the livestock unit and to check homogeneity.Results:The study revealed that during the 20-year period preceding 2015,the number of cattle owned decreased from 3509 to 1510 heads.In the same period,rice cultivation increased from 182 to 9499 ha and production from 6701 to 714,013 qt.Grazing lands were reduced from 8550 to 3501 ha,wetlands from 3114 to 1060 ha,and forests from 1542 to 907 ha.Land use/land cover changes showed a negative balance of 40%dry matter requiring cattle feed to be increasingly supplemented through purchases,or reduction in herd number.The study also indicated that the land-use changes brought at the expense of traditional cattle production systems.Conclusion:Hence,proper management is required to maintain these valuable resources and keep their role in socioeconomic development of the area.
