1. Campbell, M.O., 2015. Vultures: Their Evolution, Ecology and Conservation. CRC Press/Taylor and Francis Group, London, UK., ISBN-13: 9781482223613, Pages: 380.
2. Campbell, M.O., 2015. The status of artisanal fishing in El Salvador. Mar. Policy, 52: 33-37.
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3. Campbell, M.O., 2014. Urban Planning for Cougar Presence in North America: Practices, Challenges and Benefits. In: Urban Planning: Practices, Challenges and Benefits, Amado, M.P. (Ed.). Chapter 2, Nova Science Publishers, New York, USA., ISBN: 978-1-63117-694-4, pp: 19-32.
4. Campbell, M.O., 2014. The impact of urbanization and agricultural development on vultures in El Salvador. Vulture News, 66: 16-28.
5. Campbell, M.O., 2014. How forest biodiversity rather than desertification can endanger some vulture species. J. Biodivers. Endangered Species, Vol. 2. 10.4172/2332-2543.1000e116.
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6. Campbell, M.O., 2014. Advances in Zoogeography: Micro-Spaces of Avian Foraging and Human Presence. In: Advances in Zoology Research, Volume 6, Jenkins, O.P. (Ed.). Nova Science Publishers, New York, USA., ISBN: 978-1-63321-694-5, pp: 51-64.
7. Campbell, M.O., 2014. A fascinating example for convergent evolution: Endangered vultures. J. Biodivers. Endangered Species, Vol. 2. 10.4172/2332-2543.1000132.
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8. Campbell, M.O., 2014. A Comparative Analysis of Human Perceptions of Cougars and other Large Carnivores in Canada and El Salvador. In: Advances in Zoology Research, Volume 6, Jenkins, O.P. (Ed.). Nova Science Publishers, New York, USA., ISBN: 978-1-63321-694-5, pp: 65-78.
9. Campbell, M.O., 2013. The relevance of age and gender for public attitudes to Brown Bears (Ursus arctos), Black Bears (Ursus americanus) and Cougars (Puma concolor) in Kamloops, British Columbia. Soc. Anim., 21: 341-359.
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10. Campbell, M.O., 2013. The Political Ecology of Soil Erosion in West Africa: An Historical and Contemporary Perspective. Nova Science Publishers, New York, USA., ISBN-13: 978-1624172588, Pages: 186.
11. Campbell, M.O., 2013. The Political Ecology of Agricultural History in Ghana. Nova Science Publishers, New York, USA., ISBN-13: 978-1624172762, Pages: 168.
12. Campbell, M.O., 2013. The Impact of Landscape Configuration and Competitors on the Hooded Vulture Necrosyrtes monarchus Temminck 1823 in Southern Ghana. In: Birds: Evolution and Behavior, Breeding Strategies, Migration and Spread of Disease, Ruiz, L. and F. Iglesias (Eds.). Nova Science Publishers, New York, USA., ISBN: 978-1-62948-104-3, pp: 167-175.
13. Campbell, M.O., 2013. Reptile Ecology, Adaptive Management and Assessment Techniques: Problems, Developments and Prospects. In: Reptiles in Research: Investigations of Ecology, Physiology and Behavior from Desert to Sea, Lutterschmidt, W.I. (Ed.). Nova Science Publishers, New York, USA., ISBN: 978-1-62808-599-0, pp: 387-406.
14. Campbell, M.O., 2013. Issues of Importance in Waterbird Ecology, Conservation and Environmental Policy. In: Environmental Policy: Management, Legal Issues and Health Aspects, Creighton, E. and P. Danovich (Eds.). Nova Science Publishers, New York, USA., ISBN: 978-1-62808-497-9, pp: 129-146.
15. Campbell, M.O., 2013. Biogeography, Environmental History and Sustainability in Coastal Ghana. Nova Science Publishers, New York, USA., ISBN-13: 978-1622579532, Pages: 124.
16. Campbell, M.O., 2013. Biogeographical Change and Environmental Policy in the Western Greenbelt of Ottawa, Canada. In: Environmental Policy: Management, Legal Issues and Health Aspects, Creighton, E. and P. Danovich (Eds.). Nova Science Publishers, New York, USA., ISBN: 978-1-62808-497-9, pp: 147-164.
17. Campbell, M.O., 2013. Biodiversity and the African savanna: Problems of definition and interpretation. J. Biodivers. Endangered Species, Vol. 1. 10.4172/2332-2543.1000116.
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18. Campbell, M.O., 2013. Biodiversity and endangered species: Issues of significance. J. Biodivers. Endangered Species, Vol. 1. 10.4172/2332-2543.1000e102.
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19. Campbell, M.O., 2013. An Animal Geography of the Dominant Urban Avian Scavenger in Contrasting Case Studies. In: Birds: Evolution and Behavior, Breeding Strategies, Migration and Spread of Disease, Ruiz, L. and F. Iglesias (Eds.). Nova Science Publishers, New York, USA., ISBN: 978-1-62948-104-3, pp: 67-82.
20. Campbell, M.O., 2012. A Comparative Analysis of Human Perceptions of Cougars and other Large Carnivores in Canada and El Salvador. In: Carnivores: Species, Conservation and Management, Alvares, F.I. and G.E. Mata (Eds.). Nova Science Publishers, New York, USA., ISBN: 978-1-62257-323-3, pp: 79-97.
21. Campbell, M.O., 2011. Passerine reactions to human behaviour and vegetation structure in Peterborough, Canada. Urban For. Urban Greening, 10: 47-51.
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22. Campbell, M.O. and M.E. Torres Alvarado, 2011. Public perceptions of jaguars Panthera onca, pumas Puma concolor and coyotes Canis latrans in El Salvador. Area, 43: 250-256.
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23. Campbell, M.O., 2010. An animal geography of avian foraging competition on the Sussex Coast of England. J. Coastal Res., 26: 44-52.
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24. Campbell, M.O. and B.L. Lancaster, 2010. Public attitudes toward black bears (Ursus americanus) and cougars (Puma concolor) on Vancouver Island. Soc. Anim., 18: 40-57.
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25. Campbell, M.O., 2009. The impact of habitat characteristics on bird presence and the implications for wildlife management in the environs of Ottawa, Canada. Urban For. Urban Greening, 8: 87-95.
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26. Campbell, M.O., 2009. Repositioning zoogeography within the nature-culture borderlands: An animal geography of reptiles in Southern Ghana. Applied Geogr., 29: 260-268.
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27. Campbell, M.O., 2009. Proximity in a Ghanaian savanna: Human reactions to the African palm civet Nandinia binotata. Singapore J. Trop. Geogr., 30: 220-231.
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28. Campbell, M.O., 2009. Factors for the presence of avian scavengers in Accra and Kumasi, Ghana. Area, 41: 341-349.
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29. Campbell, M.O., 2009. A new zoogeography of domestication and agricultural planning in Southern Ghana. Area, 41: 139-148.
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30. Campbell, M.O., 2008. The impact of vegetation, river and urban features on waterbird ecology in Glasgow, Scotland. J. Coastal Res., 24: 239-245.
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31. Campbell, M.O., 2008. Landuse Conflicts in the Coastal Savanna of Ghana. In: Population, Environment and Development, Sinha, B.R.K. (Ed.). Concept Publishing Company, New Delhi, India.
32. Campbell, M.O., 2008. An animal geography of avian feeding habits in Peterborough, Ontario. Area, 40: 472-480.
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33. Campbell, M.O., 2007. An animal geography of avian ecology in Glasgow. Applied Geogr., 27: 78-88.
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34. Campbell, M.O., 2006. Urban parks as shared spaces? The utility of alert distances as indicators of avian tolerance of humans in Stirling, Scotland. Area, 38: 301-311.
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35. Campbell, M.O., 2006. The sustainability of coconut palm Cocos nucifera Linnaeus 1753 groves in coastal Ghana. J. Coastal Res., 22: 1118-1124.
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36. Campbell, M.O., 2005. The role of socio-environmental networking in the sustainability of rain-fed agriculture in the coastal savanna of Ghana. GeoJournal, 61: 79-88.
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37. Campbell, M.O., 2005. The impact of small-scale wood harvesting on neem Azadirachta indica A. Juss stands in the coastal savanna of Ghana. Area, 37: 8-16.
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38. Campbell, M.O., 2005. The ecological and social context of mammal hunting in the coastal savanna of Ghana. Geoforum, 36: 667-680.
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39. Campbell, M.O., 2005. Sacred Groves for forest conservation in Ghana's coastal savannas: Assessing ecological and social dimensions. Singapore J. Trop. Geogr., 26: 151-169.
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40. Campbell, M.O., 2005. Actor networking, technological planning and conceptions of space: The dynamics of irrigation farming in the coastal savanna of Ghana. Applied Geogr., 25: 367-381.
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41. Campbell, M.O., 2004. Traditional forest protection and woodlots in the coastal savannah of Ghana. Environ. Conserv., 31: 225-232.
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42. Elliott, J.A. and M.O. Campbell, 2002. The environmental imprints and complexes of social dynamics in rural Africa: Cases from Zimbabwe and Ghana. Geoforum, 33: 221-237.
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