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Environmental health hazards and rural community development in Abia State of Nigeria

100%
Modebelu M. N., Isiwu E.
International Letters of Natural Sciences
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2014
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tom 15
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nr 2
The study assessed the influence of environmental hazards on the development of rural communities in Abia State. Three research questions and two hypotheses guided the study. The population of the study was 1,772 executive members of 175 Community Development Associations from where a sample of five hundred and nine executive members from 70 Community Development Associations was drawn. Self-structured questionnaire was the instrument used for data collection. It was face validated by two experts in Educational Administration and Educational Measurement/ Evaluation from Abia State University, Uturu. The reliability of the instrument was tested on 25 executive members of Ayamele and Ifite-Ogwari Community Development Associations, both are Local Government Areas in Anambra State. Reliability coefficient of 0.88 was obtained using Cronbach Alpha estimate. The data were analyzed by computing and comparing the mean scores and standard deviation. Also, the null hypotheses were tested using t-test statistics. The findings of the study revealed the influence of deforestation, agricultural development and industries and technology on the environment. The study therefore recommended among others that Abia State Government should organize seminars, workshop and conferences for Community Development Associations executive members and other community leaders on the issues concerning environmental protection.
2

Development of forest edge scrub communities in the Bialowieza Forest in North-Eastern Poland

100%
Luczaj L.
Fragmenta Floristica et Geobotanica
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1994
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tom 39
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nr 2
3
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Effects of physical disturbance, isolation and key macrozoobenthic species on community development, recolonisation and sedimentation processes

80%
Herkul K., Kotta J., Kotta I., Orav-Kotta H.
Oceanologia
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2006
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tom 48
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nr S
The relative effect of physical disturbance, isolation and key macrozoobenthic species on community development and sedimentation processes were studied in an in situ factorial field mesocosm experiment in the northern Baltic Sea. Differences in abundance and biomass structure of recolonising invertebrates were due to exposure and isolation. The initial invertebrate communities had a negligible effect on the final communities. However, the organic matter content of the sediment in isolated cages increased with the initial number of invertebrate species. The main conclusion of the study: physically driven fluxes override the effects of biological interactions in shallow water systems of the northern Baltic Sea.
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