One out of every three mouthfuls of our food depends on animals like bees and pollination taking place. It is almost impossible to over-emphasise the importance of the service pollinators, such as bees and butterflies, perform for us.
Pollination is a crucial part of growing the fruit and crops we eat. A third of the total volume of the world’s agricultural produce, from fruit to coffee beans, relies on pollination.
Pollination is the process of fertilisation, in order to produce the next generation of plants. Wind and water play a part in transferring pollen, but about 75% of crop plants require pollination by insects and animals. And bees are some of our most important pollinators.
Insects such as bees and butterflies visit flowers to feed on nectar and pollen. As they move about, and from plant to plant, sticky pollen gets transferred from their bodies and wings. The transfer of pollen in and between flowers of the same species is what leads to fertilisation – ensuring that the plant can produce seeds and fruit.
In Britain we have more than 1,500 species of pollinating insects, including bees, wasps, flies, beetles, butterflies and moths. They are so important to food production and our ecosystem that the UK government has set out a National Pollinator Strategy – a 10 year plan to help make sure these insects survive and thrive.
Farmers and land managers across the UK work hard to encourage pollinators and to provide them with habitat and food. This includes sowing areas of land with wildflowers and maintaining hedgerows. Farmers have planted around 10,000 football pitches worth of flower habitat across the country to support a healthy bee population.
Meet the farmer - Emily Cliff
Emily Cliff runs the fruit operation at Lower Hope Farms in Herefordshire, which produces cherries, raspberries and apples. The farm has 36 hectares of cherry trees. Each hectare, which is about the size of a rugby pitch, is planted with up to 2,000 trees and the farm can produce almost 500 tonnes of cherries a year, which it supplies to supermarkets including Sainsbury’s, M&S, Waitrose, Tesco, Aldi and Lidl.
Cherries can be a difficult crop to grow. The weather is an important factor but so is the amount of pollinating insects, which are required to help the trees produce fruit after the blossom season.
“We have a beekeeper who brings more than 100 honeybee hives onto the farm every year,” Emily explains. “We supplement this with bumblebees – we have a lot of naturally occurring bumblebees on the farm – as well as solitary bees. There are millions of flowers out simultaneously and they need to be pollinated in a short time, so the honeybees provide the extra bee power.”
Emily and her team have planted a number of wildflower areas to encourage bees and other pollinators to stay on the farm after cherry blossom season.
“When our cherry blossom is out we are providing a very short, sharp burst of food for a lot of these insects,” she says. “Then this drops off, so by having wild flowers that come out later than the blossom – and throughout the summer – the insects still have a food source. This will help us to build our natural pollinator numbers.
“We’ve planted nectar-rich mixes with flowers such cosmos, harebells and buttercups, and then there will also be plants to attract birds, too.”
Meet the farmer - Mike Kettlewell
Mike Kettlewell has a mixed farm in Over Norton, Oxfordshire. The farm is in a Higher Level Stewardship scheme and one of his main focuses is maintaining wildflower meadows to encourage pollinators and other wildlife.
Wildflowers cover about 70 acres on the farm, offering plenty of choice for pollinating insects, including a rare butterfly that seems to have made itself at home.
“We think we have a small breeding colony of purple emperors,” Mike says. “Two years ago, my wife, Sarah, photographed a moribund male on a footpath and last summer we saw a female in our buddleia. We have lots of salix, which they breed on, and oak trees which they fly around, so we have the perfect environment.”