Bryophyte Surveys Ltd
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20 Thornleigh Road
Bristol
BS7 8PH
07545 198711

des.callaghan@outlook.com

Des Callaghan

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So far Des Callaghan has created 11 blog entries.

Cheshire Bryophyte Sites – new website!

A new website has been created which aims to promote awareness and conservation of bryophytes at sites by providing freely available and up-to-date information on important locations for these plants. The area covered comprises the vice-county of Cheshire (v.c. 58). Sites are identified as Nationally Important or Regionally Important according to sets of criteria. New [...]

Craig Leek: the best sites always have more

Craig Leek, one of the many wonderful sites of Cairngorms National Park, is relatively small by Scottish standards but is exceptionally rich for bryophytes. It was first visited by bryologists in only 1964, during a BBS meeting, and was not given any subsequent attention until three recent surveys by a bryological king of the hills, [...]

Quick comeback of a rare moss at Greeb Point

The globally threatened Weissia multicapsularis is known from only five sites worldwide, four in Cornwall and one in South Wales. At Greeb Point, on the south coast of Cornwall, it has been monitored and habitat managed since 1998, funded by Natural England. The moss occupies bare soil patches in up to three hedge banks, but [...]

The Long Mynd: survey illustrates exceptional importance for bryophytes

The first thorough bryophyte survey and assessment of The Long Mynd SSSI, a 12 km long fault block within the Shropshire hills, has just been completed for Natural England. The results show that the site is of exceptional importance for this group of plants, in particular due to the many hundreds of springs and flushes [...]

Extinct moss refound in Wales

Sporophyte of Ulota coarctata An oceanic epiphyte, Ulota coarctata (Club Pincushion) was considered to be extinct in Wales during the compilation of the recent national Red List when the only records were from Nantcol ravine (1911), Tyddyn y Felin (1914) and Ganllwyd (1888). After an absence of over a century, it has just [...]

By |2020-04-04T17:45:23+01:00March 14th, 2015|News from bryophyte surveys at sites in Britain|

Orthodontium gracile vanishing from Cheshire?

The sandstone outcrops of The Weald and Cheshire have been major national strongholds for the endangered Slender Thread-moss (Orthodontium gracile), a rare plant in Europe. But recent searches in Cheshire have raised new concerns over its future. A total of 11 days of surveying in Alderley Edge and The Peckforton Hills found the plant at [...]

By |2020-04-04T17:45:23+01:00February 21st, 2015|News from bryophyte surveys at sites in Britain|

Rare copper-moss befriends rabbits

The protonemal gemmae (three-celled body) of Scopelophila cataractae likely hitch a ride in their thousands on rabbits at Tolgus Tin Works, transporting the plant between isolated patches of suitable habitat. Rabbits are frequently important for maintaining the habitat for rare species at sites in Britain, though this usually concerns their grazing activities. At [...]

By |2020-04-04T17:45:23+01:00February 10th, 2015|News from bryophyte surveys at sites in Britain|

Rare oceanic moss lost from Coed Aber Artro, Snowdonia

This is the last known spot where Hageniella micans grew at Coed Aber Artro, now with detrital build-up, half-dead Heterocladium heteropterum and bourgeoning Isothecium myosuroides Coed Aber Artro, with its deep wooded ravine, has long been celebrated for its oceanic bryophytes, with the first notable discoveries made by the outstanding bryologist D.A. Jones [...]

By |2020-04-04T17:45:23+01:00February 1st, 2015|News from bryophyte surveys at sites in Britain|

Rare liverwort refound in North Wales after almost a century

The rock-face (left) where Cephaloziella turneri was found at Ceunant Llennyrch NNR On the northern edge of the Harlech Dome, the spectacular gorge of Ceunant Llennyrch descends into the Vale of Ffestiniog. It is well known as an exceptional site for oceanic bryophytes. A surprising new species was added to the site list [...]

By |2020-04-04T17:45:23+01:00February 1st, 2015|News from bryophyte surveys at sites in Britain|

Big changes in bryophytes at Alderley Edge, Cheshire

Orthotrichum pulchellum (above) and O. affine (below) on an ash twig at Alderley Edge, both rare at this site in the recent past but now locally frequent It is unusual to be able to make sound judgements about trends in many bryophyte populations at a site since there is rarely sufficient information. A [...]

By |2020-04-04T17:45:23+01:00February 1st, 2015|News from bryophyte surveys at sites in Britain|
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