Mapping Challenge 2005 - 2009 ~ TL42

Butterfly Conservation
Hertfordshire and Middlesex Decad (10km square) Mapping Progress 2005 -2008

TL42

Click on image for detailed map

TL42~ Click on image for detailed map
 

Decad co-ordinator:

Link sections on this page . . .
Table One ~ Key Tetrads to be visited
Table Two ~ Species richness map
Table Three ~ Target species

Table One ~ Key tetrads to be visited
Table One lists tetrads that have either had no visits or where coverage is poor. Please try to visit these in 2008.

Several 2km squares are in or are shared with the Cambridgeshire & Essex Branch. Please send all Essex records to
Cambs & Essex Branch

Tetrad (2km square) Centered on Coverage 2005 - 2007
TL4020 Bromley / Wellpond Green All season visits required - high priority square
TL4022 Broken Green No records - all season visits required - high priority square
TL4024 Braughing Friars No records - all season visits required - high priority square
TL4026 Bozen Green All season visits required
TL4028 Little Hormead No records - all season visits required - high priority square
TL4220 Westland Green All season visits required
TL4222 Albury All season visits required - high priority square
TL4224 Patient End All season visits required - high priority square
TL4226 Furneaux Pelham All season visits required - high priority square
TL4228 Brent Pelham Relatively well covered!
TL4420 Bury Green All season visits required
TL4422 Little Hadham No records - all season visits required - high priority square
TL4424 Patmore Heath Well covered by transect
TL4426 Crabbs Green No records - all season visits required - high priority square
TL4428 Washall Green No records - all season visits required - high priority square
TL4620 Bishops Stortford - St Michaels Mead area All season visits required
TL4622 Wickham Hall No records - all season visits required - high priority square
TL4624 Essex
TL4626 Essex
TL4628 Essex
TL4820 Bishops Stortford south All season visits required
TL4822 Bishops Stortford north Relatively well covered!
TL4824 Essex
TL4826 Essex 
TL4828 Essex

Table Two ~ Species Richness Grid
Table Two is a 5 x 5 grid of the tetrads (2km squares) in TL42, and shows the species richness for each tetrad based on recording in 2005, 2006 and 2007.
There is one transect walked in TL42.

Special richness grid for TL42

Table Three ~ Target Species
Table Three indicates the distribution of species recorded in TL42 and the 2km squares that need to be visited for specific species.
1 = a record
Species 4020 4022 4024 4026 4028 4220 4222 4224 4226 4228 4420 4422 4424 4426 4428 4620 4622 4624 4626 4628 4820 4822 4824 4826 4828 Total
Brimstone 1 1 1 1 4
Brown Argus 1 1 2
Chalk-hill Blue 0
Clouded Yellow 1 1 1 3
Comma 1 1 1 1 1 1 1 7
Common Blue 1 1
Essex Skipper 1 1
Gatekeeper 1 1 1 3
Green-veined White 1 1
Holly Blue 1 1 2
Large Skipper 1 1 1 3
Large White 1 1 1 1 1 5
Marbled White 1 1
Meadow Brown 1 1 1 1 4
Orange Tip 1 1 1 1 1 5
Painted Lady 1 1 1 3
Peacock 1 1 2
Purple Emperor 0
Purple Hairstreak 1 1
Red Admiral 1 1 1 1 1 1 1 1 8
Ringlet 1 1 2
Silver-washed Fritillary 1 1
Small Copper 1 1
Small Heath 1 1 1 3
Small Skipper 1 1 1 3
Small Tortoiseshell 1 1 1 1 4
Small White 1 1 1 1 1 1 5
Small/Essex Skipper -
Speckled Wood 1 1 1 1 4
White Admiral 0
White-letter Hairstreak 1 1
Total 1 0 0 4 0 7 1 2 1 10 6 0 25 0 0 6 0 - - - 5 13 - - -
top of page

Copyright Butterfly Conservation © 2007 Hertfordshire and Middlesex Branch
Privacy and Copyright Statement
Butterfly Conservation is a registered charity and non-profit-making company, limited
by guarantee. Registered in England No.2206468. Registered Charity No.254937.