Savanna elephants have regained stable populations in well-protected parks in Kenya and Botswana, while their unprotected cousins continued to disappear. This asymmetry is at the center of a study published in Science Advances in February 2026: where African species are well protected, their populations are often stable or increasing, independent of any established causal link with climate warming. Africa’s biodiversity problem is first and foremost a governance problem, and that is good news, because governance can be changed, unlike climate.

The Essential Points

  • Africa has lost 24% of its species since the pre-industrial era, but animal populations in well-protected zones show stable or increasing trends in a significant number of cases, which refutes global catastrophism but does not guarantee their stabilization everywhere pressures decline (Science Advances, 2026).
  • Extinction cascade models predict continuous collapse; field data shows that these cascades can halt in certain cases when direct pressures are controlled, even without climate mitigation.
  • African megafauna (elephants, lions, rhinoceroses) display a certain capacity to adapt to changing climatic conditions when their movement corridors remain open and hunting pressure is contained.
  • Funding for African conservation represents a modest share of development aid flows, which makes local successes fragile and not generalizable without broader political commitment.
  • The challenge for the next thirty years is to scale up to the continental level what works at the park level, before agricultural expansion permanently closes wildlife corridors.

Africa Has Lost a Quarter of Its Species, But Not Where They Are Protected

Twenty-four percent. That is the share of African species lost since the pre-industrial era, according to Clements et al. (2026, Nature). The figure is staggering, and it fuels a dominant narrative in international scientific literature: Africa would be engaged in an irreversible mass extinction, worsened by climate warming, and no local intervention could reverse a trajectory already compromised at the biophysical level.

Field data tell a more nuanced story. The Pimm et al. (2026, Science Advances) study analyzes trends in African populations based on direct pressures, poaching and habitat loss, without cross-referencing this data with IPCC AR6 climate models. The result is clear: in zones where poaching has declined significantly over the past two decades, megafauna populations have stabilized, and in some cases progressed. The study identifies direct pressures as the main factors in decline, but does not demonstrate that this stabilization is independent of climate change.

The distinction between direct pressure and climatic pressure is decisive here. Warming modifies precipitation regimes, reduces wetlands, and shifts grazing zones. But these effects operate on populations already weakened by hunting and habitat fragmentation. When these vulnerabilities decline, species resilience to climate proves far superior to what global models anticipated. Elephants in particular are capable of traveling hundreds of kilometers to find water and food, provided the corridors still exist.

Results from Well-Managed Parks That Models Do Not Reflect

The KAZA 2022 aerial survey (Elephants Without Borders) documents stable populations in Botswana (approximately 131,909 individuals, unchanged since around 2015). Namibia’s elephant populations in the KAZA zone have been stable since 2015 (approximately 19,500 to 21,000 individuals), with a slight decline localized at the Angolan border. Zimbabwe shows mixed results by region. Kenya has experienced positive developments in certain parks. These countries share enhanced protection systems, substantial anti-poaching budgets, and community mechanisms involving local populations in wildlife management.

Botswana today hosts nearly 130,000 savanna elephants, approximately one-third of the remaining continental population. This concentration results from thirty years of investment in well-equipped rangers, transboundary wildlife corridors with Namibia and Zimbabwe, and a wildlife-based tourism policy that gives local communities a direct economic interest in animal survival.

At the opposite end, the Democratic Republic of Congo illustrates the other trajectory. Parks exist on paper there, Garamba National Park, Virunga Park, but their management is underfunded, rangers are few and often poorly paid, and armed groups controlling certain areas make poaching a resource of war. Forest elephant populations in the Congo Basin declined approximately 62% between 2002 and 2011, according to Maisels et al. (2013, PLoS ONE); the IUCN cites a decline of 86% over thirty-one years (1985-2015). The contrast with Botswana illustrates that the determining variable is institutional, not climatic.

This point deserves to be retained: global collapse models tend to treat Africa as a homogeneous bloc subject to uniform biophysical pressures. Field data reveal a mosaic in which the quality of local governance produces radically divergent trajectories in comparable species, under similar climatic conditions.

Poaching as a Signal, Not as an Accident

Reducing poaching to a delinquency phenomenon would be an analytical error. Poaching is an economic signal. It thrives where local populations have no viable alternative to predation on wildlife, where the state is absent or corrupt, and where illegal channels—ivory, rhinoceros horn, pangolins—offer revenues that subsistence agriculture cannot match.

Programs that have durably reduced poaching have transformed the structure of local incentives rather than limiting themselves to ranger recruitment. The CAMPFIRE program in Zimbabwe, launched in the 1980s and still active despite significant political turbulence, redistributes a portion of hunting and photographic tourism revenues to village communities. When a villager receives a share of the fees paid by a tourist to observe elephants, he has a direct interest in the animal remaining alive.

Follow-up studies show that CAMPFIRE initially reduced poaching in participating zones. This effect remains conditional on the quality of local governance and the level of benefits redistributed to communities. Poaching declined in many zones over time, but this reduction is not systematic.

The same principle animates Kenya’s conservancies, community management zones created on private or communal lands in partnership with organizations like African Wildlife Foundation and Space for Giants. In Laikipia County, these conservancies today cover more than 320,000 hectares and host populations of lions, cheetahs, and black rhinoceroses in progression. The business model relies on high-end ecotourism, whose revenues are shared with Maasai and Samburu communities. The result is alignment of interests: wildlife is worth more alive than dead.

These experiences resonate with what is observed in other commons governance contexts; the management of coral reefs follows similar logic: where local communities control the resource, degradation rates slow significantly.

Deforestation, An Underestimated Lever

Poaching captures media attention, but habitat fragmentation through deforestation is at least as determining for the future of African wildlife. Loss of forest cover destroys corridors that allow species to move between protected zones, to access water and food, and to avoid inbreeding. An animal population confined to a park too small, cut off from any connection with other populations, is doomed in the medium term even if poaching there is zero.

The Congo Basin represents the world’s second-largest tropical forest and harbors exceptional biodiversity: bonobos, okapis, forest elephants, gorillas. Its deforestation rate remains lower than the Amazon’s, but it is accelerating under pressure from slash-and-burn agriculture, timber harvesting, and charcoal production. Projections published in PLOS ONE (2024) under IPCC scenarios indicate an additional loss of 3.7 to 4% of dense forest cover by 2050; other work (CIFOR-ICRAF) projects the loss of 27% of undisturbed forests. These losses would have cascading effects on regional precipitation regimes and endemic species.

The good news is that certain African countries have demonstrated it is possible to reverse the trend. Rwanda has reforested more than 700,000 hectares since the 1990s as part of a national land restoration policy. The country has also banned plastic bags and developed a payment system for ecosystem services that compensates farmers who maintain vegetation cover around parks. These policies have contributed to the growth of mountain gorilla populations in Volcanoes National Park, one of the rare endangered species whose population is increasing. As dynamics observed in Mediterranean migratory fish demonstrate, habitat restoration produces measurable effects on shorter timescales than pessimistic models assume.

The Cost of Stabilization and Obstacles to Its Financing

The gap between what is demonstrated and what is financed is the central friction point. The costs of African conservation are well documented. According to Lindsey et al. (2018, PNAS), securing Africa’s lion parks alone would require between 1.2 and 2.4 billion dollars per year; Nature Sustainability (2023) for its part publishes an estimate of global cost for a basic income mechanism for conservation, not specifically African. According to Lindsey et al. (2018), funding received by lion parks reached approximately 381 million dollars per year, but global international funding for protected areas in developing countries reached approximately 1 billion USD in 2024 across all regions, with Africa receiving approximately 47%, or approximately 470 million USD, according to an Indufor report co-financed by Pew, Campaign for Nature, and Rainforest Foundation Norway. The gap is massive, and it largely explains why local successes remain islands and do not generalize.

This financing insufficiency has several causes. Most African states, being low-income, cannot bear this cost alone. According to the Biodiversity Indicators Partnership (OECD), official development assistance related to biodiversity represented approximately 6% of bilateral ODA commitments (2015-16), approximately 8.3 billion dollars, out of total ODA (bilateral and multilateral) from OECD DAC member countries that reached 223.7 billion dollars in 2023 and 212.1 billion in 2024. Voluntary carbon and biodiversity markets struggle to structure themselves credibly and to channel significant financing toward priority zones. And international financial institutions continue to treat conservation as a global public good without giving themselves the mechanisms to finance it as such.

Solutions exist, but they remain underexploited. Sovereign nature bonds allow states to refinance their debt at preferential rates in exchange for verifiable conservation commitments. Zambia and Gabon were among the first to explore these mechanisms. UN REDD+ financing compensates for tropical forest conservation via carbon credits purchased by companies wishing to offset their emissions, with mixed results in terms of credibility, but an architecture that could work if verification standards improve.

Stabilizing African Megafauna by 2050: What It Would Take

Current data allow us to pose a precise question: at what annual cost can Africa stabilize its megafauna populations and key ecosystems, without waiting for global climate mitigation that will not arrive in time for field decisions over the next fifteen years.

The Nature Sustainability estimate provides a floor of several billion dollars annually to secure existing protected areas. This figure does not cover the creation of new transboundary wildlife corridors, community incentive programs, or degraded habitat restoration. An ambitious scenario, which would aim to maintain habitat connectivity across the continent and extend community conservancies, would likely be between two and three times higher, according to projections available in conservation literature.

This amount remains inferior to the annual budget of certain environmental protection agencies in wealthy countries. By way of comparison, the European Union allocated more than 100 billion euros to its common agricultural policy for the sole period 2021-2027. The order of magnitude is therefore politically achievable, if the will is there.

The status quo scenario, for its part, has a growing cost. The loss of species and ecosystems degrades the services nature provides for free: flood regulation, pollination, water purification, soil stabilization. IPCC AR6 estimates that degradation of African ecosystems could significantly reduce regional agricultural productivity by 2050, with feedback effects on food security and migration. The costs of inaction are therefore well superior to the costs of action, even counting only direct economic effects.

The critical variable is governance, not the volume of financing. Financing exists or can exist, but financial transfers to weak or corrupt institutions produce little effect on the ground. The successes of Botswana, Kenya, and Rwanda share a sufficient state capacity to transform conservation money into effective protection.

Extending this model therefore requires simultaneously investing in institutions—ranger training, judicial systems capable of prosecuting poachers, transparent redistribution mechanisms to communities—and not only in financial flows.

The signals to watch over the next ten years are known: the evolution of sentinel populations such as savanna elephants and lions, the rate of effective coverage of protected zones by trained and paid rangers, the advancement of transboundary wildlife corridors such as the KAZA project which already connects five southern African countries over 520,000 km², and the rise of post-Kunming biodiversity markets. If these signals evolve favorably, the stabilization scenario by 2050 is plausible. If financing remains at its current level, islands of success will remain islands, like peatlands, whose punctual restoration does not compensate for the absence of systemic policy.

The good news remains intact: African species are not disappearing where they are protected. This is a solid foundation on which to build something larger.

Sources

  1. Science Advances, 2026, “Out of Africa comes no support for global biodiversity catastrophes” (Pimm, Davies, Gittleman), DOI: https://www.science.org/doi/10.1126/sciadv.aee6950
  2. IPCC, Sixth Assessment Report (AR6), Chapter 9, Africa: https://www.ipcc.ch/report/ar6/wg2/
  3. IUCN, Red List 2025: https://www.iucnredlist.org
  4. African Elephant Database, 2022, African Elephant Specialist Group (IUCN/SSC)
  5. Nature Sustainability, estimates of African conservation financing (African Protected Areas Congress, 2022)
  6. Monitoring the Illegal Killing of Elephants (MIKE), CITES, 2023 data