Primate Conservation: Threats, Status, and Solutions

Introduction

The conservation of primates and their habitats is a matter of major concern for environmentalists, zoologists, and many others who have a passion for sustaining wildlife. There are many reasons why primate populations and their conservation status are in danger, and those reasons are examined in this paper. Whether driven by overharvesting, habitat destruction, or a combination of other pressures, multiple forces are simultaneously creating a confluence of crises for primates worldwide. While many primates are protected in zoos and dedicated conservation areas, many others are watching their habitat and means of sustenance disappear.

Key Threats to Primate Populations

In most areas of environmental science, what occurs years from now is often simply a different version of what is already happening. Conservation, however, does not follow that pattern so neatly. When an area is destroyed for development or depleted of its natural resources through processes such as strip mining, the damage is often very slow to heal—or it may even be permanent. As a result of these pressures, roughly a third to a half of all primates are currently endangered, with the overall estimate sitting at approximately 42% of all primate species. What happens—or does not happen—to those species will likely be decided with some finality within the next one or two generations.

One important consideration is that many primates live in the Southern Hemisphere, and most of the affected areas are located in developing countries. Socioeconomic conditions and local cultural dynamics are therefore part of the calculus when assessing which species are endangered and what is driving that endangerment (Estrada, 2013). The reproductive cycle of many primates is also notably slow. For example, the average chimpanzee produces offspring approximately once every five to six years, and roughly half of those offspring die within the first two years of life. While it is possible for a population to recover after being reduced, it takes considerable time even under the most optimal conditions. When population density drops low enough, the chances for successful mating decrease further, making it harder for the group to reestablish itself.

The two primary problems affecting primate populations are overharvesting and habitat destruction. Primates and other animals are frequently hunted for their fur or pelts rather than out of genuine subsistence need. Habitat destruction further compounds this by making it increasingly difficult—if not impossible—for primates to feed at normal rates. This affects not only adults but also their young, who face the same hardships by extension. Habitat destruction is most commonly driven by logging for paper production, agricultural expansion, and cattle ranching. For example, many of the rainforests of Southeast Asia are harvested to supply paper to Japan, and cattle ranching in South America consumes vast tracts of land that could otherwise support primate populations. Overall, approximately one-third of forest clearing is attributed to corporations, while the remaining two-thirds comes from local populations. The rate of destruction tends to accelerate as the global human population grows.

Primate Habitats and Endangered Species by Region

There are four main regions where wild primates still exist: the neo-tropics, Madagascar, Africa, and Asia. In the neo-tropics, there are six genera encompassing sixty-four species, twenty-seven of which are endangered. The most critically endangered is the woolly spider monkey. Madagascar has thirteen genera with twenty-eight species, and every single one of those species is endangered; fourteen species of lemur are already considered functionally extinct in the wild. In Africa, there are fifteen genera and fifty-five species, with fourteen classified as endangered. The most critically endangered among African primates is the gorilla. In Asia, primarily in the southern and southeastern portions of the continent, there are nine to sixteen genera with fifty to fifty-six species, approximately sixteen of which are endangered. The most critically threatened among Asian primates is the golden monkey (Eppley et al., 2015).

Conclusion

Conservation for primates, not unlike many other wild species such as big cats, is in a dire state. While many efforts are made to reverse the tide, many conservation areas exist only on paper and are not always situated in the most secure or politically stable countries (N'Goran et al., 2012). Illegal hunting has remained a persistent and serious problem in many regions (Borgerson, 2015). Even so, imperfect action is better than inaction, and the countries that are making genuine conservation efforts deserve recognition—particularly those doing so while simultaneously contending with significant human-oriented challenges such as poverty.

References

Borgerson, C. (2015). The effects of illegal hunting and habitat on two sympatric endangered primates. International Journal of Primatology, 36(1), 74–93. https://doi.org/10.1007/s10764-015-9812-x

Eppley, T. M., Donati, G., Ramanamanjato, J., Randriatafika, F., Andriamandimbiarisoa, L. N., Rabehevitra, D., & Ganzhorn, J. U. (2015). The use of an invasive species habitat by a small folivorous primate: Implications for lemur conservation in Madagascar. PLOS ONE, 10(10), 1–16. https://doi.org/10.1371/journal.pone.0140981

Estrada, A. (2013). Socioeconomic contexts of primate conservation: Population, poverty, global economic demands, and sustainable land use. American Journal of Primatology, 75(1), 30–45. https://doi.org/10.1002/ajp.22080

Kling, K. J., & Hopkins, M. E. (2015). Are we making the grade? Practices and reported efficacy measures of primate conservation education programs. American Journal of Primatology, 77(4), 434–448. https://doi.org/10.1002/ajp.22359

N'Goran, P. K., Boesch, C., Mundry, R., N'Goran, E. K., Herbinger, I., Yapi, F. A., & Kuhl, H. S. (2012). Hunting, law enforcement, and African primate conservation. Conservation Biology, 26(3), 565–571. https://doi.org/10.1111/j.1523-1739.2012.01821.x