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THAMES21 - TARGETED HIMALAYAN BALSAM ERADICATION PROGRAMME ON RIVER CRAY.** Revised schedule with date changes**
A couple of the proposed Friday sessions have now been changed to Saturdays, which will hopefully enable people to join in who are not able to make weekdays.
Past attempts to tackle the plentiful Himalayan Balsam on the Cray have jumped around from one location to another, with no sustained effort working from upstream downward. Consequently, plants removed from lower down the river can simply be replaced by seed washed down from further up. Balsam seed only remains viable for a couple of years, so a more disciplined approach could start to clear the river of it.
Michael O'Neill will be leading 6 events in total over this spring and summer period, 3 on the upper stretch of the affected Cray, 3 on the next stretch down.
The upper stretch being from Water Lane off North Cray Road, down to Old Bexley Village, the lower stretch being from Old Bexley Village to the confluence of the river Shuttle, next to Dartfordians Rugby Club.
Dates and links are given below for both the Thames21 website (which carries background details) and for the Plinth event sign up pages.
Please send these dates on to your contacts if you think they would be interested in getting involved, either as a volunteer or to coordinate control works on the Cray river. Any questions, please do let me know.
Here are the links:
Booking:
2nd event - Friday 03/5/24
book.plinth.org.uk/e/m2F8e62NkwUwurdy4diJ
3rd event - NOW Saturday 25/5/24
book.plinth.org.uk/e/i0JY9SORp1q0JstoVRTF
4th event - NOW Saturday 1/6/24
book.plinth.org.uk/e/gpVVKbNti5oxiuP8lmZg
5th event (London Rivers Week) Friday 21/6/24
book.plinth.org.uk/e/S1vEqb7sJoztovKqWxvg
6th event - Friday 5/7/24
book.plinth.org.uk/e/04q3NEldqncXlKLf5H1K
Further info:
www.thames21.org.uk/event/cray-river-balsam-blitz-2/
(2nd Event) - same background details apply to 3rd, 4th, 5th and 6th events.
Kind regards
Michael O'Neill
Engagement Officer
M +44 (0)7597584363 www.thames21.org.uk
BARNEHURST SWIFT NESTING AREA - earliest recorded return date.Four, possibly six Swfts were over the area tonight (1/5), between 19.30 and 20.15, my earliest recorded date here. None were seen during an hour of circuits at the same time on 30/4.
The first two spotted were over the Westfield/Midfield junction, flying towards Hillingdon, then again a bit later. Four were observed coming off Barnehurst Golf Course and over Beverley/Northall, two of which appeared to dive down towards a roof on Northall Rd (in the vicinity of a known nesting building), after which no more were seen.
Using data posted to londonbirders.fandom.com/wiki/April_2024
the first Swift seen over London was at the London Wetland Centre on 12th April. There were scattered sightings until 20th April when one was at Rainham Marshes, over the river from Crayford Marshes. Conrad Ellam saw 2 over Southmere Lake on April 21st, with more than 20 at Rainham the same day, 40+here on 23/4 and 100 on 27/4.
2 Swifts were seen from Erith Pier by Tim Rymer on 28/4. There are at least two nest sites nearby, one on Manor Rd. A swift was reported over a known Lewisham nesting area on 29/4 on the Lewisham Swifts Facebook page.
Previous first sightings for the Barnehurst colony were:
2023 - 2/5. My first check of the year so they may have arrived earlier. One reported at Crossness 28/4
2022 -8/5 (checked from 28/4)
2021 - 6/5 (had last checked 3/5)
2020 - 2/5 (first date checked)
2019 - didn't monitor
2018 - 7/5 (had checked every evening starting 1/5)
2017 - 4/5 (no prior daily checks)
2016 - 4/5 (no prior daily checks)
2015 - 6/5 (no prior daily checks)
Worryingly, despite a few visits, no Swifts were seen at two of the very small colonies in Bexley during 2023. One was seen flying away from the Mill Rd (North Heath) site one evening, but that was it, and none were at Silverdale Rd (Bexleyheath. Although the adults may have died, there should still be juveniles out there that were hatched at these locations, so they will be checked again this season.
Chris Rose
Crossness River Action Group's latest haul .......www.facebook.com/groups/crossnessriveraction/posts/1141568633854019/
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FRIENDS OF THE RIVER CRAY AT CRAYFORD*** REVISED SCHEDULE ***
Below is the revised schedule for our next few dates (issued 27/4), which involve litter removal and sometimes vegetation management.
The three sessions up to 5/7 are on Fridays and run from 10am to around 12.30 (may be 1pm with packing up). The meeting point is where Barnes Cray Road in Crayford meets Footpath 106 (graphic attached).
3rd May - postponed until 17th May (to avoid clash with River Cray Himalayan Balsam clearance event)
7th June
5th July - postponed until 19th July - (to avoid clash with River Cray Himalayan Balsam clearance event) - (hoildays allowing - I'll see who is available)
Our next session is going to involve undergrowth cutting so long sleeves needed!
2nd August - this session will be on the St Paul's Cray/ Sidcup border, at Ruxley Gravel Pits Nature Reserve, near Foots Cray Tesco's. We will be joining the North West Kent Countryside Partnership for a litter pick on a beautiful site with 3 lakes.
This site is not usually open to the public so it is a fantastic opportunity to see it. We hope to remove all litter from the site, a task started by volunteers in the winter but with water levels too high to finish it.
I am happy to walk you round any of the site you have not seen whilst litter picking. NWKCP is likely to offer lifts from Hall Place - details to follow.
For more details of the Himalayan Balsam work, please see the post of 21/4 on this page.
Best wishes
Sarah
Category Archives: Bexley
Bexley butterfly highlights of 2016
A round-up of key butterfly observations in the London Borough of Bexley during 2016 Principal contributors – Steve Carter, Joe Johnson, Mike Robinson, Chris Rose and Purnendu Roy. Summary: As envisaged in the 2015 report, White Admiral was confirmed as a Bexley … Continue reading
Posted in Bexley, Butterflies, Crayford, Crayford Marshes, Crayford Rough, Crossness, Crossness Nature Reserve, East Wickham Open Space, Erith Marshes, Hall Place, Hollyhill open space, Invertebrates, Joydens Wood, Lesnes Abbey Woods, London Wildlife Trust, Martens Grove, Parish Wood Park, Recording, River Cray, Thames Road Wetland, Uncategorized
Tagged Bexley butterflies, Bexley Butterfly and Moth Group, Brown Argus, Clouded Yellow, East Wickham Open Space, Green Hairstreak, Marbled White, Painted Lady, Ringlet, Silver-washed Fritillary, Small Copper, Small Heath, Small Tortoiseshell, White Admiral
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Harvest Mice – first images of this London rarity in Bexley
Nests of of Harvest Mice (Micronomys minutus) , the UK’s smallest rodent, were first found at Thames Road Wetland in 2014, when 7 were discovered in the course of vegetation management work. None were located in 2015, but another three … Continue reading
Posted in Bexley, Biodiversity Action Plan, Harvest Mouse, Mammals, Raptors, Recording, Reedbeds, SINC, Thames Road Wetland, Thames21
Tagged Bexley, Biodiversity Action Plan, Brown Rat, Harvest Mouse, Micronomys minutus, Site of Metropolitan Importance for Nature Conservation, Thames Road Wetland, Thames21, trail camera, Wood Mouse
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New plant records for Bexley, including one for ‘botanical Kent’
Rodney Burton, author of the most recent London flora, has written to report a number of interesting plant finds in Bexley, and there has subsequently been a new species for the whole of the Kent botanical recording area located in … Continue reading
Male and female Willow Emerald at Foots Cray Meadows
Despite the overcast and breezy conditions, both a male and a female Willow Emerald Damselfly (Chalcolestes viridis) were seen at Foots Cray Meadows on 27th September by Chris Rose and Wren Rose. These are the second and third sightings in … Continue reading
Willow Emerald Damselfly has now been found in Bexley
The first known Willow Emerald Damselfly (Chalcolestes viridis) for Bexley, a male, has been found and photographed at Footscray Meadows today (September 24th) by Ian Stewart, a week after he recorded the species at nearby Ruxley Gravel Pits, which was … Continue reading
Bexley RSPB visit to Thames Road Wetland
Just 6 of us turned out early on a dull morning with rain forecast, for a walk down the river Cray from Crayford town centre and around Thames Road Wetland, but it’s probably about the best number for keeping people … Continue reading
Posted in Bexley, Bird watching, Crayford, Plants in Bexley, Reedbeds, River Cray, River Wansunt, Rivers, RSPB, Thames Road Wetland
Tagged Bexley RSPB, River Cray, Thames Road Wetland
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Willow Emerald damselfly found at Ruxley, on Bexley’s doorstep ….
The Willow Emerald Damselfly (Chalcolestes viridis), one of Britain’s newest natural colonist species, has been found and photographed by bicycling birder Ian Stewart at Ruxley Gravel pits on 6th September. The identification, and status as the first record of the species … Continue reading
Braeburn Park (LWT) to Churchfield Wood and St. Mary’s Churchyard. Some plants and insects seen on 16th August.
On a warm sunny day at London Wildlife Trust’s Braeburn Park reserve there were fair numbers of butterflies about. Holly Blues were seen across the site. Some male (mostly) and female Common Blues were on the large grassy/scrubby bund to west … Continue reading
Posted in Bexley, Butterflies, Churchfield Wood, Invasive species, Invertebrates, London Wildlife Trust, Plants in Bexley, Recording, vegetation management, Volunteering, wild flowers
Tagged Braeburn Park, Brown Argus, Churchfield wood, Hare's-foot Clover, Harebell, Hazel coppice, Jersey Tiger moth, London Wildlife Trust, Marjoram, Old Bexley, Small Heath, Southern Hawker, St. Mary's churchyard, Tansy, Tree of Heaven, Upright Hedge-parsley, Wasp Spider, Wild Basil
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Some recent Bexley butterfly photos by Mike Robinson
A Painted Lady Butterfly rests on the Foreshore beside the Thames in the Erith area ~ 3 August 2016 pic.twitter.com/p11459Rzyc — Mike Robinson (@MikeFRobinson) August 3, 2016 A Small Tortoiseshell Butterfly visits Buddleia flowering beside the Thames Path in the … Continue reading
Cemeteries are haven for Harebell and other uncommon plants
Harebell (Campanula rotundifolia) , a rare plant in London, and other species that are uncommon in the capital or Bexley, such as various low-growing clovers, Trailing St. John’s-wort, Changing Forget-me-not and Ivy Broomrape find a haven in the Borough’s cemeteries where … Continue reading