London lecture series: Red Data Book Species and conservation

A series of lectures in central London addressing some of the thorny issues and success stories in UK wildlife conservation today.

Ecology and Conservation Studies Society, Birkbeck Free Lecture series. Spring 2016: six Friday evenings, Feb 5th to 11th March, 18:30 to 20:00. Lecture Theatre B35, Birkbeck, University of London, Torrington Square.

Species conservation is embedded in national and international regulations, but does this achieve good representation of biodiversity? For example, invertebrates are not well catered for, let alone many fungi. Can we conserve the Great Crested Newt by translocation without providing for maintenance of both the ponds and terrestrial habitat that it needs? Or does the protection of species such as the Violet Click-beetle act as a flagship to conserve the whole suite of veteran tree biota? Are Red Data Book species the best indicators or flagships of biodiversity value, or should we rather examine concepts like “ecological engineers”. What of widespread species that may be declining un-noticed? This series examines the questions around the protection of threatened species.
Feb 5th “To protect or not to protect? Extinction risk, Red Lists and the agony of choice”. Monika Böhm, Indicators & Assessments Unit, Institute of Zoology.


Feb 12th “Stinking Hawk’s-beard, species recovery – the inside story”, Brian Ferry, Royal Holloway University of London.


Feb 19th “Red-listing the English flora – a better approach to conservation prioritisation?” Fred Rumsey, Natural History Museum.


Feb 26th “Has being a European Protected Species helped the great crested newt?”, Brian Banks, MIEEM, Director, Flag Ecology.


March 4th “The return of the native; the reintroduction of the short-haired bumblebee” Nikki Gammans, Bumblebee Conservation Trust.


March 11th “Action for Species – the RSPB’s Species Recovery Programme”, Hannah Ward, RSPB.



A reading list, will be available later. To receive this, please email ecssoc@gmail.com, consult the website, or pick up a copy at one of the lectures.

The free public lectures are in a series hosted by GEDS, Birkbeck University of London. They are suitable for those who may be considering, or undertaking, university courses in ecology, biological conservation or related subjects. They will interest environmental and ecological practitioners, natural historians, wildlife organisations and others with similar interests.

The lectures are supported by GEDS, Birkbeck University of London and would not be possible otherwise. They are organised and promoted by the Ecology and Conservation Studies Society, with assistance from the Linnean Society of London.

Enquiries to the Ecology and Conservation Studies Society e-mail:ecssoc@gmail.com (tel: 020 8946 4476)

The Ecology and Conservation Studies Society welcomes new members. Details of the Society and application forms will be available at the door and on the ECSS website.

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Buzzards and Red Kites

With both Buzzards and Red Kites having been seen around the Hall Place area in the last few days, Joe Johnson describes the differences.

http://www.bexleywildlife.org/wp-content/uploads/2016/02/Species-spotlight-Common-buzzard-red-kite-Joe-J.pdf

Species spotlight – Common buzzard & red kite Joe 

Posted in Bird watching, Hall Place | 3 Comments

Bird reports Danson Park, January 2016.

Latest report from our regular contributor, John Turner.

Stock Dove photographed in Danson Park by Donna Zimmer.

Stock Dove photographed in Danson Park by Donna Zimmer.

01/06/2016 15/01/16 20/01/16 28/01/16
a.m. a.m. a.m. a.m.
sunny
Great-crested Grebe 3 1 3 2
Little Grebe 1 2 2
Cormorant 8 9 6 5
Heron 3 3 3 2
Mute Swan 8 5 6 5
Canada Geese 40 80 75 86
 Grey Lag Goose 31 8 1 8
Grey Lag/Canada 2 2
Egyptian Goose 3 5 2 2
Mallard 102 91 105 91
Gadwall
Teal
Shoveller 2m 2
Tufted Duck
Pochard 2m 1f
Sparrow Hawk
Water Rail 1
Moorhen 29 34 33 21
Coot 84 105 106 76
Black-headed Gull 250+ 200+ 250+ 200+
Common Gull 15 8 15 2
Yellow-legged Gull 1
Lesser Black Backed Gull 3 4 4
Herring Gull 7 10 14 18
Wood Pigeon 8 14 23 15
Stock Dove 4 2 1 6
Collared Dove 2
Ring-necked Parakeet 15 13 15 12
Kingfisher 1
Green Woodpecker
Greater-spotted Woodpecker 1 1
Nuthatch
Pied Wagtail
Grey Wagtail
Wren 4 1 2 3
Dunnock 2 2 1
Robin 22 10 14 21
Blackbird 19 13 17 4
Mistle Thrush 1
Song Thrush 2
Redwing 2
Fieldfare 1
Blue Tit 10 7 11 9
Great Tit 11 5 10 10
Coal Tit 1
Long-tailed Tit 8 2
Starling
Jay 1 1 1
Magpie 5 6 5 4
Crow 69 60 74 36
Jackdaw
House Sparrow
Chaffinch 8 2 2
Greenfinch 1
Goldfinch 3 3
Siskin 3 3
Goldcrest 2 1 1
Chiff chaff
Grey Squirrel 7 3 3 6
Brown Rat 2

We welcome contributions of bird report as it all helps build the picture of what we have in Bexley.

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RSPB Bexley Group – Hall Place and Crayford Rough, 26th January 2016

The valuable series of walks highlighting the birdlife to be found in Bexley continued with this event at Hall Place and Crayford Rough:

http://www.bexleywildlife.org/wp-content/uploads/2016/01/RSPB-Bexley-Group-Walk-Hall-Place-Crayford-Rough-January-2016.pdf

 

Posted in Bird watching, Crayford Rough, Hall Place, Uncategorized | Leave a comment

Guide to thrushes in Bexley

http://www.bexleywildlife.org/wp-content/uploads/2016/01/Species-Spotlight-thrushes-Joe-J.pdf

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Butterflies of Bexley checklist, status and distribution. Paper significantly revised and updated. Now with photos of selected species.

A new, January 2016, version of THE BUTTERFLIES OF THE LONDON BOROUGH OF BEXLEY: A CHECKLIST OF SPECIES, STATUS AND DISTRIBUTION REPORT is now available for download via this site:

https://app.box.com/shared/static/i1xdnau06q7xgjbocbbed1eivttvopkx.doc and available at the foot of this article.

This second publication of the document has been significantly revised and updated since the first in April 2014 to cover the exciting developments of the past two years, including the range expansion of the Ringlet, the appearance of the Marbled White (at two sites in 2015), confirmation that the Silver-washed Fritillary definitely occurs within the Bexley boundary and sightings suggesting that the White Admiral probably does so. Photographs of selected species have also been added.

Marbled White at Hollyhill open space in June 2015, a species that appears to be spreading nationally, and with two sightings in Bexley during that year, could potentially get a foothold here too. (Photo: Mike Robinson)

Marbled White at Hollyhill open space in June 2015, a species that appears to be spreading nationally, and with two sightings in Bexley during that year, could potentially get a foothold in our Borough. (Photo: Mike Robinson)

Twenty-eight of the fifty-nine regularly breeding butterflies in the UK are confirmed as being present in Bexley, and we can now identify a number of avenues for further fieldwork to pursue in order to better our understanding of these beautiful and interesting creatures.

Chris Rose

http://www.bexleywildlife.org/wp-content/uploads/2016/01/CHECKLIST-OF-THE-BUTTERFLIES-OF-THE-BOROUGH-OF-BEXLEY-1.pdf

Posted in Barnehurst, Barnehurst Golf Course, Biodiversity Action Plan, Braeburn Park, Butterflies, Chalk Wood, Crayford Marshes, Crayford Rough, Crossness, Crossness Nature Reserve, Danson Park, East Wickham Open Space, Erith Marshes, Foots Cray Meadows, Greenwich, Hollyhill open space, Joydens Wood, Lesnes Abbey Woods, Martens Grove, Recording, River Cray, SINC, Thames Road Wetland | Leave a comment

Academy pupils complete ‘pre-SUDS’ trench work at Thames Road Wetland

As part of an ongoing collaboration with Thames21, the group managing Thames Road Wetland,  four pupils from Crayford Academy came down on January 20th and helped complete the  groundwork designed to keep vehicle oil out of the main waterbody at the site. They were supervised by volunteer Ray and new T21 staff member Joanna Barton. Another pupil was on hand to take photographs of the operation for a future presentation to other students.

Although the wetland has been said by a Council Officer to be a ‘Sustainable Urban Drainage’ system, and it is a superbly constructed site from the point of view of wildlife occupancy, road run-off was simply piped straight onto the site at the foot of the road embankment – apparently with no consideration whatsoever having been given to trapping rubbish and chemical pollutants, which is lamentable given that it was created as recently as 2007 and is within a Metropolitan Site of Importance for Nature Conservation boundary.

T21 put a basic litter trap in place around the outflow of the pipe a few years ago, using fine mesh chicken wire supported by stakes. The layer of litter (mainly plastic bottles, plastic wrapping, polystyrene fragments and beer cans) traps and holds back some of the oil, but in heavy rain it just washes out over the top and gradually runs down into the water despite a further obstacle in the form of a small bund.

The Mark 1 litter trap effectively captured most of the run-off litter, but not all of the oil. (Photo: Chris Rose)

The Mark 1 litter trap has captured almost all of the run-off litter, but not all of the oil. (Photo: Chris Rose)

Oil leakage from the Mark 1 trap can be seen in this view. (Photo: Chris Rose)

Oil leakage from the Mark 1 trap can be seen in this view. (Photo: Chris Rose)

Following advice from a T21 SUDS expert, and given the fairly short distance between the pipe mouth and the waterbody, pupils have spent much of their last two work sessions at the site digging a trench sideways along the bottom of the bank and making a large bund on the standing water side, using the excavated spoil. This has been hard going because of the compacted gravelly nature of the soil, which is still predominantly road embankment material at this point.

Crayford Academy pupils hard at work on the trench which, once planted up, is designed to intercept all oil residue washed off Thames Road and prevent it getting into the waterbody.

Crayford Academy pupils hard at work on the trench which, once planted up, is designed to intercept all oil residue washed off Thames Road and prevent it getting into the waterbody.

Crayford Academy pupils and Thames21 volunteers by the trench.

Crayford Academy pupils and Thames21 volunteers by the trench.

Next month some Sedges, currently growing in certain pathways where they hinder access, will be transplanted into the trench to help biologically filter and process the hydrocarbons (a process known as phytoremediation). We are referring  to this as our ‘pre-SUDS’ facility, designed to continue keeping material such plastics, that cannot readily be processed by the biological systems onsite out, whilst drastically reducing the ingress of pollutants that can be, leaving the wetland to principally ‘manage’ the volume of water and not what’s in it. Meantime, there is a slick of oil along the bottom of the trench,  but none has overtopped it despite recent rainfall, so it looks like it will work as intended. There is still the possibility that some oil residue will leak sideways and downhill towards the water, but the amount getting in there should be hugely reduced.

Chris Rose. TRW Volunteer Site Manager.

Posted in SINC, Sustainable Urban Drainage, Thames Road Wetland, Volunteering | Leave a comment

House Sparrow count – Barnehurst to Barnes Cray, and additional Perry Street Farm birds

House Sparrows seen or heard (in the latter case counted as 1 if actual number could not be seen)  en route from Grasmere Rd to Maiden Lane on the morning of 20th January were as follows:

Grasmere Rd/Merewood Rd: 11

Old Manor Way playground / Parkside Av (most front gardens trashed for parking, but railway embankment to north and Barnehurst Golf Course to south, plus properties with careworn wooden roofline facings so the birds can still get in) : 29

Perry Street roundabout bramble patches plus house nearby on Wyatt Rd:  11

Perry St Farm/Stoneham Park: 35

Medway Rd/Swale Rd/Beult Rd/Mayplace Av/Maiden Lane: 29

Total: 115

Other species on Perry Street Farm (recommended for SINC status in the massively delayed review, due to recording work demonstrating its importance for birds in winter) were 3 or 4 Lapwing, 1 Stock Dove, 2 Feral Pigeon, several Wood Pigeon, Carrions Crows, Magpies, at least 90 Starling, Common, Black-headed and one Lesser Black-backed Gull.

Chris Rose

 

Posted in Barnehurst, Bird watching, Recording, SINC | Leave a comment

Lesnes Abbey Conservation Volunteers group announces spring programme of woodland activities

The volunteer group that does conservation management work in Lesnes Abbey Woods has published its latest schedule of events which run up to the end of May. Events are free and take place from 12 – 3.30pm. No particular skills or great levels of fitness are needed and there are some wildlife walks as well as work sessions. Meet at the metal picnic table nearest the closed service yard at the west end of the old visitor centre site. For more information please contact Tristan Boulton. Telephone: 07450 552 825 Email: lacv@hotmail.co.uk. Web: http://www.lacv.btck.co.uk/

Sunday February 7 – Management of the calamint area.

Sunday February 21 – Control of rhododendrons and cherry laurels near the Conduit Pond.

Sunday March 6 – Woodland walk revisiting sites of previous tasks and removing regrowth from previously cut stumps.

Sunday March 20 – Daffodil and amphibian survey.

Sunday April 3 – Wildflower walk. Bring your cameras!

Sunday April 17 – Bluebell survey.

Sunday May 1 – Woodland walk exploring lesser known areas with a discussion of possible future tasks.

Sunday May 15 – Heathland management controlling the bracken that threatens to encroach.

Sunday May 29 – Meadow task to control the more vigorous species that can crowd out the wildflowers.

_________

Posted in Lesnes Abbey Woods, vegetation management, Volunteering | Leave a comment

Red-listed Redpolls frequenting lower Cray

A close view was had of Two Lesser Redpolls half way down By-way 105 on the banks of the Cray on 20th January, feeding on Willowherb seeds. In addition, a somewhat fuzzy three-quarter rear view camera trap image captured by Wren Rose at nearby Thames Road Wetland in mid December last year has now been confirmed by Ralph Todd as being this species. Two individuals were also seen on the sewer pipe embankment here a couple of winters ago.

This red-listed bird is infrequently seen in Bexley, with reports tending to come from habitats with standing water. Ralph’s July-December 2016 ‘Bexley Bird Report’ says there were just seven Lesser Redpoll notifications in the period, including five seen at Foots Cray Meadows, Crayford Marshes with a maximum of four birds, three at Danson Park on 20th October and nine at Crossness on the 25th. To these can now be added the December TRW bird.

For further information see:

https://www.rspb.org.uk/discoverandenjoynature/discoverandlearn/birdguide/name/l/lesserredpoll/

As ever “Ralph Todd” <rbtodd@btinternet.com> wants to hear about interesting bird sightings in the Borough, bird counts and roosts of species such as House Sparrow, Pied Wagtail, Starling and Little Egret.

Chris Rose

Posted in Bird watching, Crayford Marshes, Crossness, Danson Park, Thames Road Wetland | Leave a comment