Les populations mondiales de mammifères, d'oiseaux, d'amphibiens, de reptiles et de poissons ont diminué en moyenne de 68% entre 1970 et 2016, selon le rapport 2020 Living Planet du World Wildlife Fund (WWF). La destruction des écosystèmes a conduit à la menace d' extinction d'un million d'espèces - 500 000 animaux et plantes et 500 000 insectes .
Il s'agit d'un problème grave que différents groupes et organisations espèrent améliorer grâce à un certain nombre de stratégies de conservation. Par exemple, en Écosse, l'un des pays les moins boisés d'Europe avec 19 pour cent par rapport à la moyenne continentale de 37 pour cent, une alliance de 22 organisations environnementales appelée Scottish Rewilding Alliance veut faire de l'Écosse la première «nation de reboisement» au monde. L'objectif est d'aider le petit pays à réintroduire des espèces indigènes, à restaurer les terres dégradées et à connecter davantage de personnes à la nature.
Qu'est-ce que le reboisement?
There isn't one clear definition of rewilding. However, the general purpose is to restore the abundance and diversity of wildlife to a place. It's a large-scale restoration of nature to allow nature to eventually look after itself again.
While that might sound like regular conservation, Peter Cairns, the executive director of Scotland: The Big Picture, a rewilding charity that is one of the founding members of the Scottish Rewilding Alliance, says that rewilding is different from conservation as usual.
"If you look back 30, 40, 50 years, conservation has had a pretty similar model," Cairns says. "Protecting little pockets of wildlife, little pockets of habitats. And there have been success stories over that period, but the bigger picture is that conservation efforts have failed."
Many conservation efforts look at one part of the problem — for example, saving a particular animal or planting a certain number of trees in an area. Rewilding is a more holistic approach that aims to allow natural environments to restore themselves. Rewilding isn't one project, but rather dozens or hundreds of projects, to bring back landscapes and reintroduce species.
The First Rewilding Country
Scotland is known for being a very green country with impressive rolling hills, but this iconic landscape is actually due to centuries of deforestation and degradation.
"People look at Scotland and see some very beautiful and dramatic landscapes," says Richard Bunting, representative for Trees for Life and Rewilding Britain, two charities that are also part of the Scottish Rewilding Alliance. "A lot of those landscapes are ecological shadows of what they could be, should be and what they once were."
What supporters of rewilding want is for the Scottish government to declare Scotland to be a rewilding country — the world's first — before the United Nations Climate Change Conference (COP26) in Glasgow this coming November. In February 2021, 30 Members of the Scottish Parliament (MSPs), led by the Scottish National Party, brought a motion to parliament to recognize Scotland as a rewilding nation.
Practically speaking, as the first rewilding country, Scotland would commit to 30 percent its land and sea to be rewilded by 2030; establish a community fund to support rewilding of towns and cities; reintroduce or rehome keystone species , such as beavers, lynx and wolves; create a coastal zone where trawling and dredging are prohibited; and introduce a plan to keep the deer population in check to allow land to recover from overgrazing.
What Do the Scots Think?
Making Scotland the first rewilding nation has popular support. A poll conducted for the Scottish Rewilding Alliance by an independent polling company, Survation, surveyed 1,071 adults October 2020 and found that 76 percent supported the idea, and only 7 percent outright opposed.
There is some concern from farming unions, who worry that rewilding will mean a reduction in farming land and will threaten food security.
"We don't want to see rewilding impact food production," Bunting says. "What we have is huge areas of land, peatland, moorland, grasslands, river systems, all of which are often in a very poor state in Scotland and need to be restored."
The idea of reintroducing wolves, which were once native to Scotland but have been missing from the country for hundreds of years, is also controversial. However, while wolves sound scary to people, Cairns says people should resist the idea that we can't have large predators and people sharing the land. Wolves were reintroduced in Yellowstone National Park in 2015 and that project has been heralded as a major success. In addition, Bunting adds that reintroducing wolves to Scotland is way down the line in terms of the rewilding work to be done.
What's Next?
Already, there are lots of large and small rewilding projects taking place. For example, on the Bamff Estate in Perthshire, a family-run farm is aiming to rewild 450 acres by removing sheep from the fields and linking the land to the woods and beaver wetlands. Small numbers of native breeds of pigs, cattle and ponies will be allowed to roam free. To do so, the family needed to raise £25,000 (about $35,333), and through crowdfunding, they raised £37,925 ($53,600).
Another project, which focuses on a more urban area, is the Cumbernauld Living Landscape project, which is outside of Glasgow. This project is upgrading paths so that more people can more easily access their local parks or nature reserves and connect with nature.
"There are an increasing number of projects that are springing up, big and small, urban and rural that demonstrate that there's an appetite for rewilding and ecological restoration, at all different scales," Cairns says. "We are on the journey, and we're right at the beginning of the journey."
Now That's Interesting
As of May 1, 2019, beavers are protected by law in Scotland as a European Protected Species. This decision will help the beaver begin to thrive again as part of Scottish wildlife after it essentially disappeared in the 1700s.
