sábado, 27 de febrero de 2016

UN Report: Pollinators Vital to Our Food Supply Under Threat

Reporte de las Naciones Unidas: Polinizadores vitales para nuestro suministro alimenticio en riesgo


By the numbers

  • 20,000 – Number of species of wild bees. There are also some species of butterflies, moths, wasps, beetles, birds, bats and other vertebrates that contribute to pollination.
  • 75% – Percentage of the world's food crops that depend at least in part on pollination.
  • US$235 billion–US$577 billion – Annual value of global crops directly affected by pollinators.
  • 300% -- Increase in volume of agricultural production dependent on animal pollination in the past 50 years.
  • Almost 90% -- Percentage of wild flowering plants that depend to some extent on animal pollination.
  • 1.6 million tonnes – Annual honey production from the western honeybee.
  • 16.5% -- Percentage of vertebrate pollinators threatened with extinction globally.
  • +40% – Percentage of invertebrate pollinator species – particularly bees and butterflies – facing extinction
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