The Guardian

New report reveals climate change is severely impacting migratory bird species

An important new report from the United Nations Convention on Biological Diversity, the Convention on the Conservation of Migratory Species (CMS), says climate change is already impacting the lives of many migratory birds and the birds that provide important ecosystem services to humans. This has had a devastating impact on the ability of

The report shows that the direct effects of climate change on many migratory bird species are already being felt, including shifting habitat to polar regions, changing the timing of migration, and reducing reproductive success and survival. It makes it clear that. Migratory bird species are essential to the ecosystems in which they live, supporting important ecosystem services that help mitigate the effects of climate change and increase resilience to climate disasters.

The study also highlights the urgent need to act now to help vulnerable migratory species adapt to a changing climate. While actions such as establishing comprehensive and well-connected networks of protected areas and other effective area-based conservation measures are essential to support the movement of species in response to climate change, vulnerable species Direct human intervention is also required, such as the movement of populations. It may be necessary in some cases.

Key findings of the report include: Strong evidence that rising global temperatures will affect most migratory species groups, and that the effects will be mostly negative. For example, rising temperatures are altering krill reproduction and survival, negatively impacting marine mammals and seabirds that rely on krill as a primary food source.

There is strong evidence that climate change is affecting the distribution and timing of migration of migratory species. Rising temperatures are causing habitat shifts to polar regions, leading to earlier migration and breeding. For some species, such as sandpipers, there is a risk of a mismatch between the timing of reproduction and when prey species are most abundant.

Changes in water availability are causing loss of wetlands and reductions in river flow, and are particularly likely to affect fish and waterfowl movements, and extreme climate-related events such as landslides are critical habitats. breeding grounds and are already observed in some seabirds. There is strong evidence that migratory seabirds and marine mammals are affected by changes in ocean currents that can alter the nature and function of many marine and terrestrial ecosystems.

The study 'Climate change and migratory species: a review of impacts, conservation practices, indicators and ecosystem services' was commissioned as a major contribution by the Government of the United Kingdom of Great Britain and Northern Ireland through the Joint Nature Conservation Commission (JNCC) . It builds on his CMS work on climate change and was produced by the British Trust for Ornithology (BTO).

Biodiversity is declining globally at an unprecedented rate, and climate change is one of the main drivers of this crisis. In 2021, the world's leading biodiversity and climate scientists jointly warn that biodiversity loss and climate change are mutually reinforcing and that neither can be successfully solved unless both are tackled together. Ta.

Goal 8 of the Kunming-Montreal Global Biodiversity Framework adopted last year recognizes that nature-based solutions are essential to combating climate change. Conservation of migratory bird species and their habitats is an important part of the solution for both biodiversity and the global environment. The climate crisis.

“Migratory bird species are finely tuned to the earth's rhythms. They rely on delicate balances and travel vast distances to reach habitats that are particularly suitable for survival and reproduction. However, with climate change are significantly disrupting these critical pathways, altering ecosystems, and impacting resource availability.

“This disruption serves as a major red flag, highlighting the far-reaching impacts climate change will have not only on these species, but on the planet's interconnected web of life. This report This underscores the need for immediate, global, and coordinated action to mitigate the risks and protect the future of migratory birds,” said CMS Executive Director Amy Frankel.

Migratory bird species are important for ecosystem functioning and climate change mitigation, especially when they form important parts of ecosystems or aggregate in large numbers at certain times of the year.

Many mobile species are involved in the movement and dispersal of seeds and nutrients. Large migratory birds can help mitigate climate change by decomposing their faeces and locking carbon into the soil and ocean floor.

Migratory birds can also contribute to climate change adaptation by increasing ecosystem resilience. For example, seabird guano increases the nutrients available for coral reef growth, which in turn reduces coastal erosion.

The impact of climate change on migratory species highlights the need for countries to cooperate in action to ensure their protection. CMS provides the means for such collaboration to address migratory bird species across their range. By conserving migratory bird species and their habitats under the CMS, countries can achieve win-win solutions that directly align with the goals and objectives of the Kunming-Montreal Global Biodiversity Framework and the Paris Agreement on Climate Change. You can also contribute.

Professor Colin Galbraith, former JNCC and CMS Chair and appointed COP Climate Change Councilor, said: Survival. The clock is ticking on the future of many iconic species. We owe it to them to raise global awareness that solutions are possible, and to governments to use this report to take action to help migratory birds and reduce the impacts of climate change. A call to explore nature-based solutions. ”

The launch of this important report comes ahead of the 14th CMS Conference of the Parties, to be held in Samarkand, Uzbekistan, from February 12 to 17, 2024. This conference will be one of the most important global biodiversity gatherings since the adoption of the Convention on Biological Diversity. Under the Kunming-Montreal Global Biodiversity Framework, we will address key conservation priorities, including priority actions to address climate change and its impacts on migratory species and their habitats.


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