Pollination is the transfer of pollen from a male part of a plant to a female part of a plant, enabling later fertilization and the production of fruits and/or seeds. According to latest Living Planet Report 2018 by WWF, the majority of flowering plants need pollination, as much as “from an average of 78% in temperate-zone communities to 94% in tropical communities“!
Between 100,000 and 200,000 species of animal act as pollinators of the world’s 250,000 species of flowering plant, as per Wikipedia. The majority of these pollinators are insects (more than 20,000 species of bees, many other types of insects e.g. flies, butterflies, moths, wasps and beetles), but about 1,500 species of birds and mammals also visit flowers and may transfer pollen between them. Our food production depends heavily upon these pollinators – more than 75% of the leading global food crops. From economic point of view, pollination increases the global value of crop production by US$235-577 billion per year to growers alone and keeps prices down for consumers by ensuring stable supplies.
Agricultural intensification (through use of pesticides) and urban expansion is one of a number of key drivers of pollinator loss, especially when natural areas, that provide foraging and nesting resources, are degraded or disappear. The abundance, diversity and health of pollinators is also threatened by a number of other drivers including a changing climate, air and noise pollution, invasive species and emerging diseases and pathogens (as I learned in a local crash-course I recently attended – photos here -, domestic bees in Europe are now entirely dependent on humans for medication and protection from invasive parasites, from which they have no natural immunity).
Pollinators are the foundation for a stable ecosystem. If only a few species of plants depended on pollinators the overall effect would not be as devastating however, but this is not the case! As the artistic graffiti shows below, this is bad news for all ecosystem, including wildlife and people, the world as we know it would vanish! In this regard, to help humans be more environmentally responsible, we made few suggestions to follow (on our @Eco page) in our daily lives, to avoid such a terrible probability, knowing the risk is real and time is running out!
Famous quote to remember: “If humans were to suddenly disappear, the Earth would regenerate back to the rich state of equilibrium that existed 10.000 years ago. But if insects were to vanish, the environment would collapse into chaos.” – Edward O. Wilson