Andrew Graham will lead us on a walk around Arne RSPB Reserve where we will pass through varied habitats of heathlands, woods and wetlands with views over Poole Harbour. Arne is a terrific place for wildlife and BBC Seasonwatch has been broadcast from here a number of times, it is so good. It would therefore be a shame not to see a good part of its varied habitats. So, weather permitting, we will aim to spend the day here and we will be walking 4-5 miles.
Please let us know if you are planning to join the trip and where you will meet us. No dogs. Meet at the Nadder Centre car park at 9:30am or at the Arne car park at 11:00 am (OS Grid reference SY972 878) or What3Words wings.poetic.crown. The car park (charges for non- RSPB members) is located on the right at the beginning of Arne village from the Stoborough direction. Distance, Difficulty and Footwear: There is relatively easy walking on paths and tracks with some slopes. Stout shoes should suffice unless wet. Bring binos, a packed lunch and refreshments. Anticipated end time: Conclude at Arne by 3pm returning to Nadder Centre by 4pm. https://www.rspb.org.uk/days-out/reserves/arne/location Please can we have some helpers at the Community Field (below the Skate Park, Tisbury) next week for a 6pm start. You will need to bring some gardening gloves and if you have a gardening fork that makes it easier. We have found that ragwort numbers have diminished with the regular pulling over recent years, so it shouldn't take long. This is in preparation for the hay cut and removing ragwort is necessary due to its toxicity to animals.
Despite the gales and torrential rain, a cheery band of intrepid explorers headed off to Wild Woodbury in deepest, darkest Dorset.
We were spurred on by memories of the enthusiastic and interesting talk given by Rob Farrington in January about Wild Woodbury, near Bere Regis and this was to be our quest: what had happened to this site, acquired in 2021 by Dorset Wildlife Trust? Our guide for the day was Seb Elwood and, as we turned into the car park, the rain stopped, Seb greeted us and all would be well. Since 2021, the area of farmland has been allowed to rewild. From bare earth have sprouted meadows, completely naturally, no seeding has taken place apart from nature’s own handiwork. Standing at the top of the site, surveying the surrounding fields, it is hard to comprehend where the flowers and plants have come from as the view shows neatly planted crops all around, but nature brings its own. Seb explained how this part of the site will become an open area of meadow, accessible to everyone (and their dogs!) and so providing an amenity to the nearby village of Bere Regis. There are plans for a farm shop and picnic areas to encourage locals and visitors from further away to enjoy the site and to refresh their spirits. The main project over the past three years has been to return the waterways that traverse the land to their natural courses. A lot of work has gone into removing the agricultural drainage (from the top of the hill it appears that the stream ran uphill!) and allow the streams to run where nature intended. Fauna has begun to return to the site, all carefully logged and recorded in order to show how the rewilding is benefiting the natural order of things. Seb told us that the fields were bare earth when Dorset Wildlife moved onto site. This soon changed and became covered with signs of mice and after that, signs of owls, predating on the mice! Seb was a knowledgeable and interesting host and guide. He answered the many questions from our interested members. Seb’s enthusiasm was infectious and we were all stimulated and our quest was complete. We hope to go back in the future to see what happens next. So much has been done in three years. What will the next three years hold? by Emma Procter. A distinctive and common flower of rough grassland at this time of year is ragwort. It has a fine head made up of bright yellow daisy-like flowers, held on a tall stem with deep green, much divided leaves. Where it grows, it is often numerous and can create impressive seas of yellow in a field.
Ragwort attracts numerous insects to its flowers: 200 different species have been recorded. Gatekeeper butterflies are often seen nectaring on the flowerheads. Ragwort is a foodplant for the distinctive black and yellow striped caterpillars, or larvae, of black and red cinnabar moths. Often, the larvae are present in such numbers that they soon strip the plant of all leaves and have to troop off to an adjacent plant to keep feeding. The leaves have an unpleasant taste which transfers to the feeding larvae. The distinctive markings in them warn potential predators that they are unpalatable and, although some birds do take them, the larvae make no effort to hide as they feed. The unpalatability of the plant is due to a number of alkaloids in its tissues, making it poisonous to some animals, notably horses and cattle, although proven poisoning cases are rare. Because of the unpleasant taste, animals will avoid eating the live plant, but a problem arises if ragwort gets mown and picked up in hay, which is subsequently fed to stock. This is why, each July, members of the Tisbury and District Natural History Society (and others) get together to remove ragwort from the Community Meadow before seed sets and the hay is cut. Leaving the ragwort in the hay would make it worthless and only fit for disposal. We pull the whole plant up by the roots which, as it is a biennial, are relatively shallow. The technique is to get good grip with gloves, low down on the stem, and then lean back to extract the plant. Many hands make light work, and it does seem as if there are fewer plants to pull each year. As the annual mowing and removal of hay depletes the fertility of the soil, so the floristic diversity of the meadow increases, giving more flowers for us to enjoy. This in turn can reduce the amount of bare earth between the plants in the sward, which restricts the opportunities for ragwort seed to germinate and grow next season. Hopefully, this is a virtuous cycle which will make life easier each year, but ragwort will always be there to provide colour for us to enjoy and flowers for insects to feed on for several weeks before removal. Andrew Graham |
Photo: Avocets (Izzy Fry)
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