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| *****SWAAG_ID***** | 296 |
| Date Entered | 02/11/2011 |
| Updated on | 03/02/2012 |
| Recorded by | Tim Laurie |
| Category | Tree/Shrub Record |
| Record Type | Botanical HER |
| Site Access | Public Access Land |
| Record Date | 29/09/2011 |
| Location | Birkdale Common. Uldale Beck Falls |
| Civil Parish | Muker |
| Brit. National Grid | NY 81220 03296 |
| Altitude | 525m |
| Geology | Namurian sandstones and shales above the Crow Limestone.Ravine below waterfall. |
| Record Name | Birkdale Common. Uldale Beck Falls. Isolated Rowan. |
| Record Description | A twin stem rowan and a single stem rowan are the only trees here. The three stems probably rise from an ancient common bole.
The acidic moorland vegetation on the cliff by the Falls is dominated by ferns with Hard Fern and Broad Buckler Fern the only species present
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| Dimensions | See photos |
| Geographical area | Upper Swaledale |
| Species | Rowan |
| Scientific Name | Sorbus aucuparia |
| Tree and / or Stem Girth | .95m |
| Tree: Position / Form / Status | Multi stem, stunted. Notable tree. |
| Tree Site ID | 295 |
| Additional Notes | This isolated rowan is the sole survivor of woodland once more widespread and diverse at the highest elevations close to the sources of the Swale.
Whereas recent woodland was probably confined to the comparative shelter of the steep sided gills, tree remains in peat show that during prehistoric time woodland extended across upland that is now open and treeless moor to the highest ground above 600m.
Tree species preserved below peat identified to date include pine, birch and willow.
Where sheep have been removed from Shunner Fell in an attempt to preserve the arctic alpine flora,self seeded trees are beginning to re-colonise. |
| Image 1 ID | 1139 Click image to enlarge |
| Image 1 Description | Uldale Beck. Ravine below waterfall. |  |
| Image 2 ID | 1133 Click image to enlarge |
| Image 2 Description | Birkdale Common. Uldale Beck. The falls |  |
| Image 3 ID | 1135 Click image to enlarge |
| Image 3 Description | Birkdale Common. Uldale Beck Falls. The multistem rowan. |  |
| Image 4 ID | 1136 Click image to enlarge |
| Image 4 Description | |  |
| Image 5 ID | 1137 Click image to enlarge |
| Image 5 Description | Hard fern. The dominant fern at Uldale Beck falls, with Broad Buckler Fern also. |  |
| Image 6 ID | 1138 Click image to enlarge |
| Image 6 Description | Broad Buckler and Hard Fern groing at Uldale Beck Falls. |  |
